27 files changed, 338 insertions, 205 deletions

diff --git a/Cargo.lock b/Cargo.lock
index b7489fda5..1465268b2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -30,7 +30,7 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "termion 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -65,7 +65,7 @@ name = "base64"
 version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -93,7 +93,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-padding 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -112,15 +112,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "byteorder"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cargo_metadata"
-version = "0.7.4"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -248,7 +248,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "console"
-version = "0.7.5"
+version = "0.7.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -257,7 +257,7 @@ dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "termios 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -269,38 +269,37 @@ version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.2.0"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-epoch 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.3.1"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "crossbeam-utils"
-version = "0.2.2"
+name = "crossbeam-queue"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -319,7 +318,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -365,7 +364,7 @@ dependencies = [
 
 [[package]]
 name = "ena"
-version = "0.11.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -401,7 +400,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -427,13 +426,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "flexi_logger"
-version = "0.11.5"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "yansi 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -463,7 +463,7 @@ name = "fst"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -490,7 +490,7 @@ name = "gen_lsp_server"
 version = "0.2.0"
 dependencies = [
  "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "flexi_logger 0.11.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flexi_logger 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lsp-types 0.57.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -548,11 +548,11 @@ name = "indicatif"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "console 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "console 0.7.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "number_prefix 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -580,7 +580,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ci_info 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "console 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "console 0.7.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "difference 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -809,7 +809,7 @@ dependencies = [
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-extras 2.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "walkdir 2.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -820,7 +820,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -842,7 +842,7 @@ dependencies = [
 
 [[package]]
 name = "num_cpus"
-version = "1.10.0"
+version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -901,7 +901,7 @@ dependencies = [
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -936,7 +936,7 @@ dependencies = [
  "pest_meta 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -968,19 +968,19 @@ dependencies = [
 
 [[package]]
 name = "proptest"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bit-set 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1026,7 +1026,7 @@ dependencies = [
  "ra_ide_api 0.1.0",
  "ra_project_model 0.1.0",
  "ra_syntax 0.1.0",
- "ra_vfs 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ra_vfs 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "test_utils 0.1.0",
 ]
@@ -1036,7 +1036,7 @@ name = "ra_cli"
 version = "0.1.0"
 dependencies = [
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "flexi_logger 0.11.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flexi_logger 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "indicatif 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "join_to_string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ra_batch 0.1.0",
@@ -1076,8 +1076,8 @@ dependencies = [
  "chalk-ir 0.1.0 (git+https://github.com/flodiebold/chalk.git?branch=fuel)",
  "chalk-rust-ir 0.1.0 (git+https://github.com/flodiebold/chalk.git?branch=fuel)",
  "chalk-solve 0.1.0 (git+https://github.com/flodiebold/chalk.git?branch=fuel)",
- "ena 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "flexi_logger 0.11.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ena 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flexi_logger 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "insta 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "join_to_string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lalrpop-intern 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1106,7 +1106,7 @@ dependencies = [
  "jemallocator 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "join_to_string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "proptest 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proptest 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "ra_assists 0.1.0",
  "ra_db 0.1.0",
  "ra_fmt 0.1.0",
@@ -1115,7 +1115,7 @@ dependencies = [
  "ra_syntax 0.1.0",
  "ra_text_edit 0.1.0",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "relative-path 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "superslice 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1128,7 +1128,7 @@ name = "ra_lsp_server"
 version = "0.1.0"
 dependencies = [
  "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "flexi_logger 0.11.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flexi_logger 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "gen_lsp_server 0.2.0",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lsp-types 0.57.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1139,7 +1139,7 @@ dependencies = [
  "ra_project_model 0.1.0",
  "ra_syntax 0.1.0",
  "ra_text_edit 0.1.0",
- "ra_vfs 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ra_vfs 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "relative-path 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1161,7 +1161,7 @@ dependencies = [
  "ra_syntax 0.1.0",
  "ra_tt 0.1.0",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1184,7 +1184,7 @@ dependencies = [
 name = "ra_project_model"
 version = "0.1.0"
 dependencies = [
- "cargo_metadata 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cargo_metadata 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ra_arena 0.1.0",
  "ra_db 0.1.0",
@@ -1193,7 +1193,7 @@ dependencies = [
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "test_utils 0.1.0",
- "walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "walkdir 2.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1205,19 +1205,19 @@ dependencies = [
  "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ra_parser 0.1.0",
  "ra_text_edit 0.1.0",
- "rowan 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rowan 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "smol_str 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "test_utils 0.1.0",
  "text_unit 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "walkdir 2.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ra_text_edit"
 version = "0.1.0"
 dependencies = [
- "proptest 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proptest 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "test_utils 0.1.0",
  "text_unit 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1229,7 +1229,7 @@ dependencies = [
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "teraron 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "walkdir 2.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1241,7 +1241,7 @@ dependencies = [
 
 [[package]]
 name = "ra_vfs"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1250,7 +1250,7 @@ dependencies = [
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "relative-path 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "walkdir 2.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1351,23 +1351,24 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.0.3"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon-core 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon-core 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rayon-core"
-version = "1.4.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1393,19 +1394,19 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.1.6"
+version = "1.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "utf8-ranges 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.6"
+version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1418,7 +1419,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "remove_dir_all"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1436,7 +1437,7 @@ dependencies = [
 
 [[package]]
 name = "rowan"
-version = "0.5.2"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "colosseum 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1455,7 +1456,7 @@ name = "rustc-hash"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1484,7 +1485,7 @@ dependencies = [
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "salsa-macros 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1495,7 +1496,7 @@ dependencies = [
  "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1545,7 +1546,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1595,7 +1596,7 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "0.6.9"
+version = "0.6.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1629,7 +1630,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "0.15.34"
+version = "0.15.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1644,7 +1645,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1657,7 +1658,7 @@ dependencies = [
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.54 (registry+https://github.com/rust-lang/crates.io-index)",
- "remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1673,7 +1674,7 @@ dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pest 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pest_derive 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "slug 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1693,7 +1694,7 @@ dependencies = [
 
 [[package]]
 name = "termion"
-version = "1.5.2"
+version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1757,7 +1758,7 @@ name = "threadpool"
 version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1850,7 +1851,7 @@ name = "unicode-normalization"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1889,7 +1890,7 @@ dependencies = [
 
 [[package]]
 name = "utf8-ranges"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1913,7 +1914,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "walkdir"
-version = "2.2.7"
+version = "2.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "same-file 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1975,6 +1976,11 @@ dependencies = [
  "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "yansi"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [metadata]
 "checksum aho-corasick 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e6f484ae0c99fec2e858eb6134949117399f222608d84cadb3f58c1f97c2364c"
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
@@ -1990,8 +1996,8 @@ dependencies = [
 "checksum block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
 "checksum block-padding 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "6d4dc3af3ee2e12f3e5d224e5e1e3d73668abbeb69e566d361f7d5563a4fdf09"
 "checksum byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
-"checksum byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a019b10a2a7cdeb292db131fc8113e57ea2a908f6e7894b0c3c671893b65dbeb"
-"checksum cargo_metadata 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)" = "178d62b240c34223f265a4c1e275e37d62da163d421fc8d7f7e3ee340f803c57"
+"checksum byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
+"checksum cargo_metadata 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "929766d993a2fde7a0ae962ee82429069cd7b68839cd9375b98efd719df65d3a"
 "checksum cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)" = "39f75544d7bbaf57560d2168f28fd649ff9c76153874db88bdbdfd839b1a7e7d"
 "checksum cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "b486ce3ccf7ffd79fdeb678eac06a9e6c09fc88d33836340becb8fffe87c5e33"
 "checksum chalk-engine 0.9.0 (git+https://github.com/flodiebold/chalk.git?branch=fuel)" = "<none>"
@@ -2005,11 +2011,11 @@ dependencies = [
 "checksum clicolors-control 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "73abfd4c73d003a674ce5d2933fca6ce6c42480ea84a5ffe0a2dc39ed56300f9"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
 "checksum colosseum 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "370c83b49aedf022ee27942e8ae1d9de1cf40dc9653ee6550e4455d08f6406f9"
-"checksum console 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)" = "2bf3720d3f3fc30b721ef1ae54e13af3264af4af39dc476a8de56a6ee1e2184b"
+"checksum console 0.7.7 (registry+https://github.com/rust-lang/crates.io-index)" = "8ca57c2c14b8a2bf3105bc9d15574aad80babf6a9c44b1058034cdf8bd169628"
 "checksum crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "0f0ed1a4de2235cabda8558ff5840bffb97fcb64c97827f354a451307df5f72b"
-"checksum crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f739f8c5363aca78cfb059edf753d8f0d36908c348f3d8d1503f03d8b75d9cf3"
-"checksum crossbeam-epoch 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "927121f5407de9956180ff5e936fe3cf4324279280001cd56b669d28ee7e9150"
-"checksum crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2760899e32a1d58d5abb31129f8fae5de75220bc2176e77ff7c627ae45c918d9"
+"checksum crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "05e44b8cf3e1a625844d1750e1f7820da46044ff6d28f4d43e455ba3e5bb2c13"
+"checksum crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "04c9e3102cc2d69cd681412141b390abd55a362afc1540965dad0ad4d34280b4"
+"checksum crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
 "checksum crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f8306fcef4a7b563b76b7dd949ca48f52bc1141aa067d2ea09565f3e2652aa5c"
 "checksum derive-new 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "6ca414e896ae072546f4d789f452daaecf60ddee4c9df5dc6d5936d769e3d87c"
 "checksum deunicode 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "850878694b7933ca4c9569d30a34b55031b9b139ee1fc7b94a527c4ef960d690"
@@ -2019,7 +2025,7 @@ dependencies = [
 "checksum dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ea57b42383d091c85abcc2706240b94ab2a8fa1fc81c10ff23c4de06e2a90b5e"
 "checksum either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5527cfe0d098f36e3f8839852688e63c8fff1c90b2b405aef730615f9a7bcf7b"
 "checksum ena 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "25b4e5febb25f08c49f1b07dc33a182729a6b21edfb562b5aef95f78e0dbe5bb"
-"checksum ena 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f56c93cc076508c549d9bb747f79aa9b4eb098be7b8cad8830c3137ef52d1e00"
+"checksum ena 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3dc01d68e08ca384955a3aeba9217102ca1aa85b6e168639bf27739f1d749d87"
 "checksum encode_unicode 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "90b2c9496c001e8cb61827acdefad780795c42264c137744cae6f7d9e3450abd"
 "checksum error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3ab49e9dcb602294bc42f9a7dfc9bc6e936fca4418ea300dbfb84fe16de0b7d9"
 "checksum failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "795bd83d3abeb9220f257e597aa0080a508b27533824adf336529648f6abf7e2"
@@ -2027,7 +2033,7 @@ dependencies = [
 "checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 "checksum filetime 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "2f8c63033fcba1f51ef744505b3cad42510432b904c062afa67ad7ece008429d"
 "checksum fixedbitset 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "86d4de0081402f5e88cdac65c8dcdcc73118c1a7a465e2a05f0da05843a8ea33"
-"checksum flexi_logger 0.11.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ce5e9a2e15c8eb8dcf35565b92b9548e4787b9990528f1ef49d09e20bbeee5a7"
+"checksum flexi_logger 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e651f7ca90e082144feeb1b158603457d6704ba96b87530ba135bb55306064b1"
 "checksum fs_extra 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5f2a4a2034423744d2cc7ca2068453168dcdb82c438419e639a26bd87839c674"
 "checksum fsevent 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5ab7d1bd1bd33cc98b0889831b72da23c0aa4df9cec7e0702f46ecea04b35db6"
 "checksum fsevent-sys 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f41b048a94555da0f42f1d632e2e19510084fb8e303b0daa2816e733fb3644a0"
@@ -2076,7 +2082,7 @@ dependencies = [
 "checksum num-derive 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "eafd0b45c5537c3ba526f79d3e75120036502bebacbb3f3220914067ce39dbf2"
 "checksum num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)" = "b85e541ef8255f6cf42bbfe4ef361305c6c135d10919ecc26126c4e5ae94bc09"
 "checksum num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "6ba9a427cfca2be13aa6f6403b0b7e7368fe982bfa16fccc450ce74c46cd9b32"
-"checksum num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1a23f0ed30a54abaa0c7e83b1d2d87ada7c3c23078d1d87815af3e3b6385fbba"
+"checksum num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bcef43580c035376c0705c42792c294b66974abbfd2789b511784023f71f3273"
 "checksum number_prefix 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "dbf9993e59c894e3c08aa1c2712914e9e6bf1fcbfc6bef283e2183df345a4fee"
 "checksum numtoa 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
 "checksum once_cell 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4c7118943e044e53fb4f0400ba153201e7b3e1ee61f137d47aa45367223caa19"
@@ -2091,10 +2097,10 @@ dependencies = [
 "checksum pest_meta 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f249ea6de7c7b7aba92b4ff4376a994c6dbd98fd2166c89d5c4947397ecb574d"
 "checksum petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)" = "9c3659d1ee90221741f65dd128d9998311b0e40c5d3c23a62445938214abce4f"
 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
-"checksum proptest 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2afed8cbdc8a64b58a5c021757a782351ec1afee85be374872721c84d5da5d80"
+"checksum proptest 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)" = "cf147e022eacf0c8a054ab864914a7602618adba841d800a9a9868a5237a529f"
 "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
 "checksum quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "faf4799c5d274f3868a4aae320a0a182cbd2baee377b378f080e16a23e9d80db"
-"checksum ra_vfs 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "70927388fff29059b93221d2bad05167788a41cbf1302504f9ed5918d0654ce8"
+"checksum ra_vfs 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "fb7cd4e302032c5ab514f1c01c89727cd96fd950dd36f9ebee9252df45d9fb1a"
 "checksum rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
 "checksum rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
 "checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
@@ -2105,17 +2111,17 @@ dependencies = [
 "checksum rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
 "checksum rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
 "checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
-"checksum rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "373814f27745b2686b350dd261bfd24576a6fb0e2c5919b3a2b6005f820b0473"
-"checksum rayon-core 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b055d1e92aba6877574d8fe604a63c8b5df60f60e5982bf7ccbb1338ea527356"
+"checksum rayon 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a4b0186e22767d5b9738a05eab7c6ac90b15db17e5b5f9bd87976dd7d89a10a4"
+"checksum rayon-core 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ebbe0df8435ac0c397d467b6cad6d25543d06e8a019ef3f6af3c384597515bd2"
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_syscall 0.1.54 (registry+https://github.com/rust-lang/crates.io-index)" = "12229c14a0f65c4f1cb046a3b52047cdd9da1f4b30f8a39c5063c8bae515e252"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
-"checksum regex 1.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "8f0a0bcab2fd7d1d7c54fa9eae6f43eddeb9ce2e7352f8518a814a4f65d60c58"
-"checksum regex-syntax 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)" = "dcfd8681eebe297b81d98498869d4aae052137651ad7b96822f09ceb690d0a96"
+"checksum regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "0b2f0808e7d7e4fb1cb07feb6ff2f4bc827938f24f8c2e6a3beb7370af544bdd"
+"checksum regex-syntax 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d76410686f9e3a17f06128962e0ecc5755870bb890c34820c7af7f1db2e1d48"
 "checksum relative-path 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0e7790c7f1cc73d831d28dc5a7deb316a006e7848e6a7f467cdb10a0a9e0fb1c"
-"checksum remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3488ba1b9a2084d38645c4c08276a1752dcbf2c7130d74f1569681ad5d2799c5"
+"checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
 "checksum ron 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "17f52a24414403f81528b67488cf8edc4eda977d3af1646bb6b106a600ead78f"
-"checksum rowan 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbbf724d1e1f30669766ffc7e2490cd942d3b792367c12f9b00852b506b659f9"
+"checksum rowan 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "695dbacb8b8e077caf0cdeb65b0fe0c27bd99a9b7bf5f6467681c4c94cbe6133"
 "checksum rustc-demangle 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a7f4dccf6f4891ebcc0c39f9b6eb1a83b9bf5d747cb439ec6fba4f3b977038af"
 "checksum rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7540fc8b0c49f096ee9c961cda096467dce8084bec6bdca2fc83895fd9b28cb8"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
@@ -2134,17 +2140,17 @@ dependencies = [
 "checksum sha-1 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "23962131a91661d643c98940b20fcaffe62d776a823247be80a48fcb8b6fce68"
 "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 "checksum slug 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b3bc762e6a4b6c6fcaade73e77f9ebc6991b676f88bb2358bddb56560f073373"
-"checksum smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)" = "c4488ae950c49d403731982257768f48fada354a5203fe81f9bb6f43ca9002be"
+"checksum smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ab606a9c5e214920bb66c458cd7be8ef094f813f20fe77a54cc7dbfff220d4b7"
 "checksum smol_str 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "e6507d018aa8dfcaa08aaab587605591cd2109df66a921486a2220e2daf9fa29"
 "checksum stacker 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "fb79482f57cf598af52094ec4cc3b3c42499d3ce5bd426f2ac41515b7e57404b"
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 "checksum superslice 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ab16ced94dbd8a46c82fd81e3ed9a8727dac2977ea869d217bcc4ea1f122e81f"
-"checksum syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)" = "a1393e4a97a19c01e900df2aec855a29f71cf02c402e2f443b8d2747c25c5dbe"
+"checksum syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)" = "8b4f551a91e2e3848aeef8751d0d4eec9489b6474c720fd4c55958d8d31a430c"
 "checksum synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "02353edf96d6e4dc81aea2d8490a7e9db177bf8acb0e951c24940bf866cb313f"
 "checksum tempfile 3.0.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7dc4738f2e68ed2855de5ac9cdbe05c9216773ecde4739b2f095002ab03a13ef"
 "checksum tera 0.11.20 (registry+https://github.com/rust-lang/crates.io-index)" = "4b505279e19d8f7d24b1a9dc58327c9c36174b1a2c7ebdeac70792d017cb64f3"
 "checksum teraron 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9a447d012fef5c222f4b11a98fcef2a7e347a57f28be9957c5c390ac9a0e41e0"
-"checksum termion 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dde0593aeb8d47accea5392b39350015b5eccb12c0d98044d856983d89548dea"
+"checksum termion 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6a8fb22f7cde82c8220e5aeacb3258ed7ce996142c77cba193f203515e26c330"
 "checksum termios 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "72b620c5ea021d75a735c943269bb07d30c9b77d6ac6b236bc8b5c496ef05625"
 "checksum text_unit 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e08bbcb7a3adbda0eb23431206b653bdad3d8dea311e72d36bf2215e27a42579"
 "checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
@@ -2168,11 +2174,11 @@ dependencies = [
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
 "checksum url_serde 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "74e7d099f1ee52f823d4bdd60c93c3602043c728f5db3b97bdb548467f7bddea"
-"checksum utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "796f7e48bef87609f7ade7e06495a87d5cd06c7866e6a5cbfceffc558a243737"
+"checksum utf8-ranges 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9d50aa7650df78abf942826607c62468ce18d9019673d4a2ebe1865dbb96ffde"
 "checksum uuid 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)" = "90dbc611eb48397705a6b0f6e917da23ae517e4d127123d2cf7674206627d32a"
 "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
 "checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
-"checksum walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d9d7ed3431229a144296213105a390676cc49c9b6a72bd19f3176c98e129fa1"
+"checksum walkdir 2.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "c7904a7e2bb3cdf0cf5e783f44204a85a37a93151738fa349f06680f59a98b45"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
@@ -2181,3 +2187,4 @@ dependencies = [
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
 "checksum yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "65923dd1784f44da1d2c3dbbc5e822045628c590ba72123e1c73d3c230c4434d"
+"checksum yansi 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9fc79f4a1e39857fc00c3f662cbf2651c771f00e9c15fe2abc341806bd46bd71"
diff --git a/crates/gen_lsp_server/Cargo.toml b/crates/gen_lsp_server/Cargo.toml
index d375606d0..d14bcf694 100644
--- a/crates/gen_lsp_server/Cargo.toml
+++ b/crates/gen_lsp_server/Cargo.toml
@@ -15,4 +15,4 @@ serde = { version = "1.0.83", features = ["derive"] }
 crossbeam-channel = "0.3.5"
 
 [dev-dependencies]
-flexi_logger = "0.11.0"
+flexi_logger = "0.13.0"
diff --git a/crates/ra_cli/Cargo.toml b/crates/ra_cli/Cargo.toml
index 57bd0c3d7..301145b5d 100644
--- a/crates/ra_cli/Cargo.toml
+++ b/crates/ra_cli/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 [dependencies]
 clap = "2.32.0"
 join_to_string = "0.1.1"
-flexi_logger = "0.11.0"
+flexi_logger = "0.13.0"
 indicatif = "0.11.0"
 
 ra_syntax = { path = "../ra_syntax" }
diff --git a/crates/ra_db/src/input.rs b/crates/ra_db/src/input.rs
index a5f4e489f..c103503bd 100644
--- a/crates/ra_db/src/input.rs
+++ b/crates/ra_db/src/input.rs
@@ -31,9 +31,23 @@ pub struct SourceRootId(pub u32);
 
 #[derive(Default, Clone, Debug, PartialEq, Eq)]
 pub struct SourceRoot {
+    /// Sysroot or crates.io library.
+    ///
+    /// Libraries are considered mostly immutable, this assumption is used to
+    /// optimize salsa's query structure
+    pub is_library: bool,
     pub files: FxHashMap<RelativePathBuf, FileId>,
 }
 
+impl SourceRoot {
+    pub fn new() -> SourceRoot {
+        Default::default()
+    }
+    pub fn new_library() -> SourceRoot {
+        SourceRoot { is_library: true, ..SourceRoot::new() }
+    }
+}
+
 /// `CrateGraph` is a bit of information which turns a set of text files into a
 /// number of Rust crates. Each crate is defined by the `FileId` of its root module,
 /// the set of cfg flags (not yet implemented) and the set of dependencies. Note
diff --git a/crates/ra_hir/Cargo.toml b/crates/ra_hir/Cargo.toml
index aaace85e5..e44e144d6 100644
--- a/crates/ra_hir/Cargo.toml
+++ b/crates/ra_hir/Cargo.toml
@@ -10,7 +10,7 @@ log = "0.4.5"
 relative-path = "0.4.0"
 rustc-hash = "1.0"
 parking_lot = "0.8.0"
-ena = "0.11"
+ena = "0.13"
 join_to_string = "0.1.3"
 once_cell = "0.2"
 
@@ -28,5 +28,5 @@ chalk-ir = { git = "https://github.com/flodiebold/chalk.git", branch = "fuel" }
 lalrpop-intern = "0.15.1"
 
 [dev-dependencies]
-flexi_logger = "0.11.0"
+flexi_logger = "0.13.0"
 insta = "0.8.1"
diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 6602d1220..ebbc37c0e 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -282,7 +282,7 @@ impl Module {
             .collect()
     }
 
-    pub fn impl_blocks(self, db: &impl HirDatabase) -> Vec<ImplBlock> {
+    pub fn impl_blocks(self, db: &impl DefDatabase) -> Vec<ImplBlock> {
         let module_impl_blocks = db.impls_in_module(self);
         module_impl_blocks
             .impls
@@ -519,9 +519,8 @@ pub struct Function {
     pub(crate) id: FunctionId,
 }
 
-/// The declared signature of a function.
 #[derive(Debug, Clone, PartialEq, Eq)]
-pub struct FnSignature {
+pub struct FnData {
     pub(crate) name: Name,
     pub(crate) params: Vec<TypeRef>,
     pub(crate) ret_type: TypeRef,
@@ -530,11 +529,11 @@ pub struct FnSignature {
     pub(crate) has_self_param: bool,
 }
 
-impl FnSignature {
-    pub(crate) fn fn_signature_query(
+impl FnData {
+    pub(crate) fn fn_data_query(
         db: &(impl DefDatabase + AstDatabase),
         func: Function,
-    ) -> Arc<FnSignature> {
+    ) -> Arc<FnData> {
         let src = func.source(db);
         let name = src.ast.name().map(|n| n.as_name()).unwrap_or_else(Name::missing);
         let mut params = Vec::new();
@@ -569,7 +568,7 @@ impl FnSignature {
             TypeRef::unit()
         };
 
-        let sig = FnSignature { name, params, ret_type, has_self_param };
+        let sig = FnData { name, params, ret_type, has_self_param };
         Arc::new(sig)
     }
     pub fn name(&self) -> &Name {
@@ -597,7 +596,7 @@ impl Function {
     }
 
     pub fn name(self, db: &impl HirDatabase) -> Name {
-        self.signature(db).name.clone()
+        self.data(db).name.clone()
     }
 
     pub(crate) fn body_source_map(self, db: &impl HirDatabase) -> Arc<BodySourceMap> {
@@ -612,8 +611,8 @@ impl Function {
         db.type_for_def(self.into(), Namespace::Values)
     }
 
-    pub fn signature(self, db: &impl HirDatabase) -> Arc<FnSignature> {
-        db.fn_signature(self)
+    pub fn data(self, db: &impl HirDatabase) -> Arc<FnData> {
+        db.fn_data(self)
     }
 
     pub fn infer(self, db: &impl HirDatabase) -> Arc<InferenceResult> {
@@ -670,8 +669,8 @@ impl Const {
         self.id.module(db)
     }
 
-    pub fn signature(self, db: &impl HirDatabase) -> Arc<ConstSignature> {
-        db.const_signature(self)
+    pub fn data(self, db: &impl HirDatabase) -> Arc<ConstData> {
+        db.const_data(self)
     }
 
     pub fn infer(self, db: &impl HirDatabase) -> Arc<InferenceResult> {
@@ -696,14 +695,13 @@ impl Const {
     }
 }
 
-/// The declared signature of a const.
 #[derive(Debug, Clone, PartialEq, Eq)]
-pub struct ConstSignature {
+pub struct ConstData {
     pub(crate) name: Name,
     pub(crate) type_ref: TypeRef,
 }
 
-impl ConstSignature {
+impl ConstData {
     pub fn name(&self) -> &Name {
         &self.name
     }
@@ -712,27 +710,27 @@ impl ConstSignature {
         &self.type_ref
     }
 
-    pub(crate) fn const_signature_query(
+    pub(crate) fn const_data_query(
         db: &(impl DefDatabase + AstDatabase),
         konst: Const,
-    ) -> Arc<ConstSignature> {
+    ) -> Arc<ConstData> {
         let node = konst.source(db).ast;
-        const_signature_for(&*node)
+        const_data_for(&*node)
     }
 
-    pub(crate) fn static_signature_query(
+    pub(crate) fn static_data_query(
         db: &(impl DefDatabase + AstDatabase),
         konst: Static,
-    ) -> Arc<ConstSignature> {
+    ) -> Arc<ConstData> {
         let node = konst.source(db).ast;
-        const_signature_for(&*node)
+        const_data_for(&*node)
     }
 }
 
-fn const_signature_for<N: NameOwner + TypeAscriptionOwner>(node: &N) -> Arc<ConstSignature> {
+fn const_data_for<N: NameOwner + TypeAscriptionOwner>(node: &N) -> Arc<ConstData> {
     let name = node.name().map(|n| n.as_name()).unwrap_or_else(Name::missing);
     let type_ref = TypeRef::from_ast_opt(node.ascribed_type());
-    let sig = ConstSignature { name, type_ref };
+    let sig = ConstData { name, type_ref };
     Arc::new(sig)
 }
 
@@ -746,8 +744,8 @@ impl Static {
         self.id.module(db)
     }
 
-    pub fn signature(self, db: &impl HirDatabase) -> Arc<ConstSignature> {
-        db.static_signature(self)
+    pub fn data(self, db: &impl HirDatabase) -> Arc<ConstData> {
+        db.static_data(self)
     }
 
     /// Builds a resolver for code inside this item.
diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index c4dd54596..d8832a9de 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -6,9 +6,9 @@ use ra_db::{SourceDatabase, salsa};
 
 use crate::{
     HirFileId, MacroDefId, AstIdMap, ErasedFileAstId, Crate, Module, MacroCallLoc,
-    Function, FnSignature, ExprScopes, TypeAlias,
+    Function, FnData, ExprScopes, TypeAlias,
     Struct, Enum, StructField,
-    Const, ConstSignature, Static,
+    Const, ConstData, Static,
     DefWithBody, Trait,
     ids,
     nameres::{Namespace, ImportSourceMap, RawItems, CrateDefMap},
@@ -109,17 +109,20 @@ pub trait DefDatabase: SourceDatabase {
     #[salsa::invoke(crate::generics::GenericParams::generic_params_query)]
     fn generic_params(&self, def: GenericDef) -> Arc<GenericParams>;
 
-    #[salsa::invoke(crate::FnSignature::fn_signature_query)]
-    fn fn_signature(&self, func: Function) -> Arc<FnSignature>;
+    #[salsa::invoke(crate::FnData::fn_data_query)]
+    fn fn_data(&self, func: Function) -> Arc<FnData>;
 
     #[salsa::invoke(crate::type_alias::type_alias_data_query)]
     fn type_alias_data(&self, typ: TypeAlias) -> Arc<TypeAliasData>;
 
-    #[salsa::invoke(crate::ConstSignature::const_signature_query)]
-    fn const_signature(&self, konst: Const) -> Arc<ConstSignature>;
+    #[salsa::invoke(crate::ConstData::const_data_query)]
+    fn const_data(&self, konst: Const) -> Arc<ConstData>;
 
-    #[salsa::invoke(crate::ConstSignature::static_signature_query)]
-    fn static_signature(&self, konst: Static) -> Arc<ConstSignature>;
+    #[salsa::invoke(crate::ConstData::static_data_query)]
+    fn static_data(&self, konst: Static) -> Arc<ConstData>;
+
+    #[salsa::invoke(crate::lang_item::LangItems::module_lang_items_query)]
+    fn module_lang_items(&self, module: Module) -> Option<Arc<LangItems>>;
 
     #[salsa::invoke(crate::lang_item::LangItems::lang_items_query)]
     fn lang_items(&self, krate: Crate) -> Arc<LangItems>;
diff --git a/crates/ra_hir/src/lang_item.rs b/crates/ra_hir/src/lang_item.rs
index 18ac0fcf9..48b60f2dd 100644
--- a/crates/ra_hir/src/lang_item.rs
+++ b/crates/ra_hir/src/lang_item.rs
@@ -31,7 +31,7 @@ impl LangItemTarget {
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Eq)]
+#[derive(Default, Debug, Clone, PartialEq, Eq)]
 pub struct LangItems {
     items: FxHashMap<SmolStr, LangItemTarget>,
 }
@@ -46,15 +46,28 @@ impl LangItems {
         db: &(impl DefDatabase + AstDatabase),
         krate: Crate,
     ) -> Arc<LangItems> {
-        let mut lang_items = LangItems { items: FxHashMap::default() };
+        let mut lang_items = LangItems::default();
 
         if let Some(module) = krate.root_module(db) {
-            lang_items.collect_lang_items_recursive(db, &module);
+            lang_items.collect_lang_items_recursive(db, module);
         }
 
         Arc::new(lang_items)
     }
 
+    pub(crate) fn module_lang_items_query(
+        db: &(impl DefDatabase + AstDatabase),
+        module: Module,
+    ) -> Option<Arc<LangItems>> {
+        let mut lang_items = LangItems::default();
+        lang_items.collect_lang_items(db, module);
+        if lang_items.items.is_empty() {
+            None
+        } else {
+            Some(Arc::new(lang_items))
+        }
+    }
+
     /// Salsa query. Look for a lang item, starting from the specified crate and recursively
     /// traversing its dependencies.
     pub(crate) fn lang_item_query(
@@ -78,19 +91,14 @@ impl LangItems {
         }
     }
 
-    fn collect_lang_items_recursive(
-        &mut self,
-        db: &(impl DefDatabase + AstDatabase),
-        module: &Module,
-    ) {
+    fn collect_lang_items(&mut self, db: &(impl DefDatabase + AstDatabase), module: Module) {
         // Look for impl targets
-        let (impl_blocks, source_map) = db.impls_in_module_with_source_map(module.clone());
-        let source = module.definition_source(db).ast;
-        for (impl_id, _) in impl_blocks.impls.iter() {
-            let impl_block = source_map.get(&source, impl_id);
-            if let Some(lang_item_name) = lang_item_name(&*impl_block) {
-                let imp = ImplBlock::from_id(*module, impl_id);
-                self.items.entry(lang_item_name).or_insert_with(|| LangItemTarget::ImplBlock(imp));
+        for impl_block in module.impl_blocks(db) {
+            let src = impl_block.source(db);
+            if let Some(lang_item_name) = lang_item_name(&*src.ast) {
+                self.items
+                    .entry(lang_item_name)
+                    .or_insert_with(|| LangItemTarget::ImplBlock(impl_block));
             }
         }
 
@@ -106,10 +114,20 @@ impl LangItems {
                 _ => {}
             }
         }
+    }
+
+    fn collect_lang_items_recursive(
+        &mut self,
+        db: &(impl DefDatabase + AstDatabase),
+        module: Module,
+    ) {
+        if let Some(module_lang_items) = db.module_lang_items(module) {
+            self.items.extend(module_lang_items.items.iter().map(|(k, v)| (k.clone(), v.clone())))
+        }
 
         // Look for lang items in the children
         for child in module.children(db) {
-            self.collect_lang_items_recursive(db, &child);
+            self.collect_lang_items_recursive(db, child);
         }
     }
 
diff --git a/crates/ra_hir/src/lib.rs b/crates/ra_hir/src/lib.rs
index 2e99bdac8..f07a36926 100644
--- a/crates/ra_hir/src/lib.rs
+++ b/crates/ra_hir/src/lib.rs
@@ -75,9 +75,9 @@ pub use self::code_model::{
     DefWithBody,
     Module, ModuleDef, ModuleSource,
     Struct, Union, Enum, EnumVariant,
-    Function, FnSignature,
+    Function, FnData,
     StructField, FieldSource,
-    Static, Const, ConstSignature,
+    Static, Const, ConstData,
     Trait, TypeAlias, MacroDef, Container,
     BuiltinType,
     src::{Source, HasSource},
diff --git a/crates/ra_hir/src/ty/infer.rs b/crates/ra_hir/src/ty/infer.rs
index 1ee40c70a..2c05ca734 100644
--- a/crates/ra_hir/src/ty/infer.rs
+++ b/crates/ra_hir/src/ty/infer.rs
@@ -27,7 +27,7 @@ use ra_prof::profile;
 use test_utils::tested_by;
 
 use crate::{
-    Function, StructField, Path, Name, FnSignature, AdtDef, ConstSignature, HirDatabase,
+    Function, StructField, Path, Name, FnData, AdtDef, ConstData, HirDatabase,
     DefWithBody, ImplItem,
     type_ref::{TypeRef, Mutability},
     expr::{
@@ -59,9 +59,9 @@ pub fn infer_query(db: &impl HirDatabase, def: DefWithBody) -> Arc<InferenceResu
     let mut ctx = InferenceContext::new(db, body, resolver);
 
     match def {
-        DefWithBody::Const(ref c) => ctx.collect_const_signature(&c.signature(db)),
-        DefWithBody::Function(ref f) => ctx.collect_fn_signature(&f.signature(db)),
-        DefWithBody::Static(ref s) => ctx.collect_const_signature(&s.signature(db)),
+        DefWithBody::Const(ref c) => ctx.collect_const(&c.data(db)),
+        DefWithBody::Function(ref f) => ctx.collect_fn(&f.data(db)),
+        DefWithBody::Static(ref s) => ctx.collect_const(&s.data(db)),
     }
 
     ctx.infer_body();
@@ -509,8 +509,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
             let item: crate::ModuleDef = ty.iterate_impl_items(self.db, krate, |item| {
                 let matching_def: Option<crate::ModuleDef> = match item {
                     crate::ImplItem::Method(func) => {
-                        let sig = func.signature(self.db);
-                        if segment.name == *sig.name() {
+                        if segment.name == func.name(self.db) {
                             Some(func.into())
                         } else {
                             None
@@ -518,8 +517,8 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
                     }
 
                     crate::ImplItem::Const(konst) => {
-                        let sig = konst.signature(self.db);
-                        if segment.name == *sig.name() {
+                        let data = konst.data(self.db);
+                        if segment.name == *data.name() {
                             Some(konst.into())
                         } else {
                             None
@@ -1283,18 +1282,18 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
         ty
     }
 
-    fn collect_const_signature(&mut self, signature: &ConstSignature) {
-        self.return_ty = self.make_ty(signature.type_ref());
+    fn collect_const(&mut self, data: &ConstData) {
+        self.return_ty = self.make_ty(data.type_ref());
     }
 
-    fn collect_fn_signature(&mut self, signature: &FnSignature) {
+    fn collect_fn(&mut self, data: &FnData) {
         let body = Arc::clone(&self.body); // avoid borrow checker problem
-        for (type_ref, pat) in signature.params().iter().zip(body.params()) {
+        for (type_ref, pat) in data.params().iter().zip(body.params()) {
             let ty = self.make_ty(type_ref);
 
             self.infer_pat(*pat, &ty, BindingMode::default());
         }
-        self.return_ty = self.make_ty(signature.ret_type());
+        self.return_ty = self.make_ty(data.ret_type());
     }
 
     fn infer_body(&mut self) {
diff --git a/crates/ra_hir/src/ty/lower.rs b/crates/ra_hir/src/ty/lower.rs
index 300616a53..cb494baf4 100644
--- a/crates/ra_hir/src/ty/lower.rs
+++ b/crates/ra_hir/src/ty/lower.rs
@@ -353,11 +353,10 @@ pub(crate) fn generic_defaults(db: &impl HirDatabase, def: GenericDef) -> Substs
 }
 
 fn fn_sig_for_fn(db: &impl HirDatabase, def: Function) -> FnSig {
-    let signature = def.signature(db);
+    let data = def.data(db);
     let resolver = def.resolver(db);
-    let params =
-        signature.params().iter().map(|tr| Ty::from_hir(db, &resolver, tr)).collect::<Vec<_>>();
-    let ret = Ty::from_hir(db, &resolver, signature.ret_type());
+    let params = data.params().iter().map(|tr| Ty::from_hir(db, &resolver, tr)).collect::<Vec<_>>();
+    let ret = Ty::from_hir(db, &resolver, data.ret_type());
     FnSig::from_params_and_return(params, ret)
 }
 
@@ -371,18 +370,18 @@ fn type_for_fn(db: &impl HirDatabase, def: Function) -> Ty {
 
 /// Build the declared type of a const.
 fn type_for_const(db: &impl HirDatabase, def: Const) -> Ty {
-    let signature = def.signature(db);
+    let data = def.data(db);
     let resolver = def.resolver(db);
 
-    Ty::from_hir(db, &resolver, signature.type_ref())
+    Ty::from_hir(db, &resolver, data.type_ref())
 }
 
 /// Build the declared type of a static.
 fn type_for_static(db: &impl HirDatabase, def: Static) -> Ty {
-    let signature = def.signature(db);
+    let data = def.data(db);
     let resolver = def.resolver(db);
 
-    Ty::from_hir(db, &resolver, signature.type_ref())
+    Ty::from_hir(db, &resolver, data.type_ref())
 }
 
 /// Build the declared type of a static.
diff --git a/crates/ra_hir/src/ty/method_resolution.rs b/crates/ra_hir/src/ty/method_resolution.rs
index ad26d591c..46ec136bd 100644
--- a/crates/ra_hir/src/ty/method_resolution.rs
+++ b/crates/ra_hir/src/ty/method_resolution.rs
@@ -192,8 +192,8 @@ fn iterate_trait_method_candidates<T>(
         let mut known_implemented = false;
         for item in data.items() {
             if let TraitItem::Function(m) = *item {
-                let sig = m.signature(db);
-                if name.map_or(true, |name| sig.name() == name) && sig.has_self_param() {
+                let data = m.data(db);
+                if name.map_or(true, |name| data.name() == name) && data.has_self_param() {
                     if !known_implemented {
                         let trait_ref = canonical_trait_ref(db, t, ty.clone());
                         if db.implements(krate, trait_ref).is_none() {
@@ -227,8 +227,8 @@ fn iterate_inherent_methods<T>(
     for impl_block in impls.lookup_impl_blocks(&ty.value) {
         for item in impl_block.items(db) {
             if let ImplItem::Method(f) = item {
-                let sig = f.signature(db);
-                if name.map_or(true, |name| sig.name() == name) && sig.has_self_param() {
+                let data = f.data(db);
+                if name.map_or(true, |name| data.name() == name) && data.has_self_param() {
                     if let Some(result) = callback(&ty.value, f) {
                         return Some(result);
                     }
diff --git a/crates/ra_ide_api/src/call_info.rs b/crates/ra_ide_api/src/call_info.rs
index bd08e183d..2948c646b 100644
--- a/crates/ra_ide_api/src/call_info.rs
+++ b/crates/ra_ide_api/src/call_info.rs
@@ -35,7 +35,7 @@ pub(crate) fn call_info(db: &RootDatabase, position: FilePosition) -> Option<Cal
 
     // If we have a calling expression let's find which argument we are on
     let num_params = call_info.parameters().len();
-    let has_self = function.signature(db).has_self_param();
+    let has_self = function.data(db).has_self_param();
 
     if num_params == 1 {
         if !has_self {
diff --git a/crates/ra_ide_api/src/change.rs b/crates/ra_ide_api/src/change.rs
index ce03a0f95..8d9918d16 100644
--- a/crates/ra_ide_api/src/change.rs
+++ b/crates/ra_ide_api/src/change.rs
@@ -163,7 +163,8 @@ impl RootDatabase {
         if !change.new_roots.is_empty() {
             let mut local_roots = Vec::clone(&self.local_roots());
             for (root_id, is_local) in change.new_roots {
-                self.set_source_root(root_id, Default::default());
+                let root = if is_local { SourceRoot::new() } else { SourceRoot::new_library() };
+                self.set_source_root(root_id, Arc::new(root));
                 if is_local {
                     local_roots.push(root_id);
                 }
@@ -226,9 +227,12 @@ impl RootDatabase {
 
         self.query(ra_db::ParseQuery).sweep(sweep);
         self.query(hir::db::ParseMacroQuery).sweep(sweep);
-        self.query(hir::db::MacroDefQuery).sweep(sweep);
-        self.query(hir::db::MacroArgQuery).sweep(sweep);
-        self.query(hir::db::MacroExpandQuery).sweep(sweep);
+
+        // Macros do take significant space, but less then the syntax trees
+        // self.query(hir::db::MacroDefQuery).sweep(sweep);
+        // self.query(hir::db::MacroArgQuery).sweep(sweep);
+        // self.query(hir::db::MacroExpandQuery).sweep(sweep);
+
         self.query(hir::db::AstIdMapQuery).sweep(sweep);
 
         self.query(hir::db::RawItemsWithSourceMapQuery).sweep(sweep);
diff --git a/crates/ra_ide_api/src/completion/complete_dot.rs b/crates/ra_ide_api/src/completion/complete_dot.rs
index f26fd06b3..40bd1e75e 100644
--- a/crates/ra_ide_api/src/completion/complete_dot.rs
+++ b/crates/ra_ide_api/src/completion/complete_dot.rs
@@ -37,8 +37,8 @@ fn complete_fields(acc: &mut Completions, ctx: &CompletionContext, receiver: Ty)
 
 fn complete_methods(acc: &mut Completions, ctx: &CompletionContext, receiver: Ty) {
     ctx.analyzer.iterate_method_candidates(ctx.db, receiver, None, |_ty, func| {
-        let sig = func.signature(ctx.db);
-        if sig.has_self_param() {
+        let data = func.data(ctx.db);
+        if data.has_self_param() {
             acc.add_function(ctx, func);
         }
         None::<()>
diff --git a/crates/ra_ide_api/src/completion/complete_path.rs b/crates/ra_ide_api/src/completion/complete_path.rs
index 99da24142..c14af593b 100644
--- a/crates/ra_ide_api/src/completion/complete_path.rs
+++ b/crates/ra_ide_api/src/completion/complete_path.rs
@@ -49,8 +49,8 @@ pub(super) fn complete_path(acc: &mut Completions, ctx: &CompletionContext) {
                 ty.iterate_impl_items(ctx.db, krate, |item| {
                     match item {
                         hir::ImplItem::Method(func) => {
-                            let sig = func.signature(ctx.db);
-                            if !sig.has_self_param() {
+                            let data = func.data(ctx.db);
+                            if !data.has_self_param() {
                                 acc.add_function(ctx, func);
                             }
                         }
diff --git a/crates/ra_ide_api/src/completion/presentation.rs b/crates/ra_ide_api/src/completion/presentation.rs
index f4ff4404b..973936736 100644
--- a/crates/ra_ide_api/src/completion/presentation.rs
+++ b/crates/ra_ide_api/src/completion/presentation.rs
@@ -98,13 +98,13 @@ impl Completions {
         name: Option<String>,
         func: hir::Function,
     ) {
-        let sig = func.signature(ctx.db);
-        let name = name.unwrap_or_else(|| sig.name().to_string());
+        let data = func.data(ctx.db);
+        let name = name.unwrap_or_else(|| data.name().to_string());
         let ast_node = func.source(ctx.db).ast;
         let detail = function_label(&ast_node);
 
         let mut builder = CompletionItem::new(CompletionKind::Reference, ctx.source_range(), name)
-            .kind(if sig.has_self_param() {
+            .kind(if data.has_self_param() {
                 CompletionItemKind::Method
             } else {
                 CompletionItemKind::Function
@@ -115,10 +115,10 @@ impl Completions {
         if ctx.use_item_syntax.is_none() && !ctx.is_call {
             tested_by!(inserts_parens_for_function_calls);
             let snippet =
-                if sig.params().is_empty() || sig.has_self_param() && sig.params().len() == 1 {
-                    format!("{}()$0", sig.name())
+                if data.params().is_empty() || data.has_self_param() && data.params().len() == 1 {
+                    format!("{}()$0", data.name())
                 } else {
-                    format!("{}($0)", sig.name())
+                    format!("{}($0)", data.name())
                 };
             builder = builder.insert_snippet(snippet);
         }
diff --git a/crates/ra_lsp_server/Cargo.toml b/crates/ra_lsp_server/Cargo.toml
index 142467cc9..a1fcf6cee 100644
--- a/crates/ra_lsp_server/Cargo.toml
+++ b/crates/ra_lsp_server/Cargo.toml
@@ -10,7 +10,7 @@ relative-path = "0.4.0"
 serde_json = "1.0.34"
 serde = { version = "1.0.83", features = ["derive"] }
 crossbeam-channel = "0.3.5"
-flexi_logger = "0.11.0"
+flexi_logger = "0.13.0"
 log = "0.4.3"
 url_serde = "0.2.0"
 lsp-types = { version = "0.57.1", features = ["proposed"] }
diff --git a/crates/ra_parser/src/grammar/expressions/atom.rs b/crates/ra_parser/src/grammar/expressions/atom.rs
index 725fb99f6..41be283d0 100644
--- a/crates/ra_parser/src/grammar/expressions/atom.rs
+++ b/crates/ra_parser/src/grammar/expressions/atom.rs
@@ -74,6 +74,7 @@ pub(super) fn atom_expr(p: &mut Parser, r: Restrictions) -> Option<(CompletedMar
         T![if] => if_expr(p),
 
         T![loop] => loop_expr(p, None),
+        T![box] => box_expr(p, None),
         T![for] => for_expr(p, None),
         T![while] => while_expr(p, None),
         T![try] => try_block_expr(p, None),
@@ -507,3 +508,17 @@ fn try_block_expr(p: &mut Parser, m: Option<Marker>) -> CompletedMarker {
     block(p);
     m.complete(p, TRY_EXPR)
 }
+
+// test box_expr
+// fn foo() {
+//     let x = box 1i32;
+// }
+fn box_expr(p: &mut Parser, m: Option<Marker>) -> CompletedMarker {
+    assert!(p.at(T![box]));
+    let m = m.unwrap_or_else(|| p.start());
+    p.bump();
+    if p.at_ts(EXPR_FIRST) {
+        expr(p);
+    }
+    m.complete(p, BOX_EXPR)
+}
diff --git a/crates/ra_parser/src/grammar/patterns.rs b/crates/ra_parser/src/grammar/patterns.rs
index 16ae9da63..46034942a 100644
--- a/crates/ra_parser/src/grammar/patterns.rs
+++ b/crates/ra_parser/src/grammar/patterns.rs
@@ -60,6 +60,7 @@ fn atom_pat(p: &mut Parser, recovery_set: TokenSet) -> Option<CompletedMarker> {
     let la1 = p.nth(1);
     if la0 == T![ref]
         || la0 == T![mut]
+        || la0 == T![box]
         || (la0 == IDENT && !(la1 == T![::] || la1 == T!['('] || la1 == T!['{'] || la1 == T![!]))
     {
         return Some(bind_pat(p, true));
@@ -260,9 +261,11 @@ fn pat_list(p: &mut Parser, ket: SyntaxKind) {
 //     let ref mut d = ();
 //     let e @ _ = ();
 //     let ref mut f @ g @ _ = ();
+//     let box i = Box::new(1i32);
 // }
 fn bind_pat(p: &mut Parser, with_at: bool) -> CompletedMarker {
     let m = p.start();
+    p.eat(T![box]);
     p.eat(T![ref]);
     p.eat(T![mut]);
     name(p);
diff --git a/crates/ra_parser/src/syntax_kind/generated.rs b/crates/ra_parser/src/syntax_kind/generated.rs
index 036415eac..374fd5aec 100644
--- a/crates/ra_parser/src/syntax_kind/generated.rs
+++ b/crates/ra_parser/src/syntax_kind/generated.rs
@@ -104,6 +104,7 @@ pub enum SyntaxKind {
     MOVE_KW,
     RETURN_KW,
     TRY_KW,
+    BOX_KW,
     AUTO_KW,
     DEFAULT_KW,
     EXISTENTIAL_KW,
@@ -187,6 +188,7 @@ pub enum SyntaxKind {
     NAMED_FIELD_LIST,
     NAMED_FIELD,
     TRY_BLOCK_EXPR,
+    BOX_EXPR,
     CALL_EXPR,
     INDEX_EXPR,
     METHOD_CALL_EXPR,
@@ -335,6 +337,7 @@ macro_rules! T {
     (move) => { $crate::SyntaxKind::MOVE_KW };
     (return) => { $crate::SyntaxKind::RETURN_KW };
     (try) => { $crate::SyntaxKind::TRY_KW };
+    (box) => { $crate::SyntaxKind::BOX_KW };
     (auto) => { $crate::SyntaxKind::AUTO_KW };
     (default) => { $crate::SyntaxKind::DEFAULT_KW };
     (existential) => { $crate::SyntaxKind::EXISTENTIAL_KW };
@@ -394,6 +397,7 @@ impl SyntaxKind {
             | MOVE_KW
             | RETURN_KW
             | TRY_KW
+            | BOX_KW
             | AUTO_KW
             | DEFAULT_KW
             | EXISTENTIAL_KW
@@ -567,6 +571,7 @@ impl SyntaxKind {
             MOVE_KW => &SyntaxInfo { name: "MOVE_KW" },
             RETURN_KW => &SyntaxInfo { name: "RETURN_KW" },
             TRY_KW => &SyntaxInfo { name: "TRY_KW" },
+            BOX_KW => &SyntaxInfo { name: "BOX_KW" },
             AUTO_KW => &SyntaxInfo { name: "AUTO_KW" },
             DEFAULT_KW => &SyntaxInfo { name: "DEFAULT_KW" },
             EXISTENTIAL_KW => &SyntaxInfo { name: "EXISTENTIAL_KW" },
@@ -650,6 +655,7 @@ impl SyntaxKind {
             NAMED_FIELD_LIST => &SyntaxInfo { name: "NAMED_FIELD_LIST" },
             NAMED_FIELD => &SyntaxInfo { name: "NAMED_FIELD" },
             TRY_BLOCK_EXPR => &SyntaxInfo { name: "TRY_BLOCK_EXPR" },
+            BOX_EXPR => &SyntaxInfo { name: "BOX_EXPR" },
             CALL_EXPR => &SyntaxInfo { name: "CALL_EXPR" },
             INDEX_EXPR => &SyntaxInfo { name: "INDEX_EXPR" },
             METHOD_CALL_EXPR => &SyntaxInfo { name: "METHOD_CALL_EXPR" },
@@ -745,6 +751,7 @@ impl SyntaxKind {
             "move" => MOVE_KW,
             "return" => RETURN_KW,
             "try" => TRY_KW,
+            "box" => BOX_KW,
             _ => return None,
         };
         Some(kw)
diff --git a/crates/ra_project_model/Cargo.toml b/crates/ra_project_model/Cargo.toml
index c1a91d950..a1f7bf6dc 100644
--- a/crates/ra_project_model/Cargo.toml
+++ b/crates/ra_project_model/Cargo.toml
@@ -11,7 +11,7 @@ relative-path = "0.4.0"
 
 walkdir = "2.2.7"
 
-cargo_metadata = "0.7.0"
+cargo_metadata = "0.8.0"
 
 ra_arena = { path = "../ra_arena" }
 ra_db = { path = "../ra_db" }
diff --git a/crates/ra_syntax/src/grammar.ron b/crates/ra_syntax/src/grammar.ron
index eab55058b..6c075a700 100644
--- a/crates/ra_syntax/src/grammar.ron
+++ b/crates/ra_syntax/src/grammar.ron
@@ -96,6 +96,7 @@ Grammar(
         "move",
         "return",
         "try",
+        "box",
     ],
     contextual_keywords: [
         "auto",
@@ -192,6 +193,7 @@ Grammar(
         "NAMED_FIELD_LIST",
         "NAMED_FIELD",
         "TRY_BLOCK_EXPR",
+        "BOX_EXPR",
 
         // postfix
         "CALL_EXPR",
diff --git a/crates/ra_syntax/tests/data/parser/inline/ok/0112_bind_pat.rs b/crates/ra_syntax/tests/data/parser/inline/ok/0112_bind_pat.rs
index 820a9e72c..5a93469af 100644
--- a/crates/ra_syntax/tests/data/parser/inline/ok/0112_bind_pat.rs
+++ b/crates/ra_syntax/tests/data/parser/inline/ok/0112_bind_pat.rs
@@ -5,4 +5,5 @@ fn main() {
     let ref mut d = ();
     let e @ _ = ();
     let ref mut f @ g @ _ = ();
+    let box i = Box::new(1i32);
 }
diff --git a/crates/ra_syntax/tests/data/parser/inline/ok/0112_bind_pat.txt b/crates/ra_syntax/tests/data/parser/inline/ok/0112_bind_pat.txt
index ab0f88507..189254a19 100644
--- a/crates/ra_syntax/tests/data/parser/inline/ok/0112_bind_pat.txt
+++ b/crates/ra_syntax/tests/data/parser/inline/ok/0112_bind_pat.txt
@@ -1,5 +1,5 @@
-SOURCE_FILE@[0; 146)
-  FN_DEF@[0; 145)
+SOURCE_FILE@[0; 178)
+  FN_DEF@[0; 177)
     FN_KW@[0; 2) "fn"
     WHITESPACE@[2; 3) " "
     NAME@[3; 7)
@@ -8,7 +8,7 @@ SOURCE_FILE@[0; 146)
       L_PAREN@[7; 8) "("
       R_PAREN@[8; 9) ")"
     WHITESPACE@[9; 10) " "
-    BLOCK@[10; 145)
+    BLOCK@[10; 177)
       L_CURLY@[10; 11) "{"
       WHITESPACE@[11; 16) "\n    "
       LET_STMT@[16; 27)
@@ -122,6 +122,35 @@ SOURCE_FILE@[0; 146)
           L_PAREN@[140; 141) "("
           R_PAREN@[141; 142) ")"
         SEMI@[142; 143) ";"
-      WHITESPACE@[143; 144) "\n"
-      R_CURLY@[144; 145) "}"
-  WHITESPACE@[145; 146) "\n"
+      WHITESPACE@[143; 148) "\n    "
+      LET_STMT@[148; 175)
+        LET_KW@[148; 151) "let"
+        WHITESPACE@[151; 152) " "
+        BIND_PAT@[152; 157)
+          BOX_KW@[152; 155) "box"
+          WHITESPACE@[155; 156) " "
+          NAME@[156; 157)
+            IDENT@[156; 157) "i"
+        WHITESPACE@[157; 158) " "
+        EQ@[158; 159) "="
+        WHITESPACE@[159; 160) " "
+        CALL_EXPR@[160; 174)
+          PATH_EXPR@[160; 168)
+            PATH@[160; 168)
+              PATH@[160; 163)
+                PATH_SEGMENT@[160; 163)
+                  NAME_REF@[160; 163)
+                    IDENT@[160; 163) "Box"
+              COLONCOLON@[163; 165) "::"
+              PATH_SEGMENT@[165; 168)
+                NAME_REF@[165; 168)
+                  IDENT@[165; 168) "new"
+          ARG_LIST@[168; 174)
+            L_PAREN@[168; 169) "("
+            LITERAL@[169; 173)
+              INT_NUMBER@[169; 173) "1i32"
+            R_PAREN@[173; 174) ")"
+        SEMI@[174; 175) ";"
+      WHITESPACE@[175; 176) "\n"
+      R_CURLY@[176; 177) "}"
+  WHITESPACE@[177; 178) "\n"
diff --git a/crates/ra_syntax/tests/data/parser/inline/ok/0132_box_expr.rs b/crates/ra_syntax/tests/data/parser/inline/ok/0132_box_expr.rs
new file mode 100644
index 000000000..e69c81e22
--- /dev/null
+++ b/crates/ra_syntax/tests/data/parser/inline/ok/0132_box_expr.rs
@@ -0,0 +1,3 @@
+fn foo() {
+    let x = box 1i32;
+}
diff --git a/crates/ra_syntax/tests/data/parser/inline/ok/0132_box_expr.txt b/crates/ra_syntax/tests/data/parser/inline/ok/0132_box_expr.txt
new file mode 100644
index 000000000..f4eeb7e24
--- /dev/null
+++ b/crates/ra_syntax/tests/data/parser/inline/ok/0132_box_expr.txt
@@ -0,0 +1,31 @@
+SOURCE_FILE@[0; 35)
+  FN_DEF@[0; 34)
+    FN_KW@[0; 2) "fn"
+    WHITESPACE@[2; 3) " "
+    NAME@[3; 6)
+      IDENT@[3; 6) "foo"
+    PARAM_LIST@[6; 8)
+      L_PAREN@[6; 7) "("
+      R_PAREN@[7; 8) ")"
+    WHITESPACE@[8; 9) " "
+    BLOCK@[9; 34)
+      L_CURLY@[9; 10) "{"
+      WHITESPACE@[10; 15) "\n    "
+      LET_STMT@[15; 32)
+        LET_KW@[15; 18) "let"
+        WHITESPACE@[18; 19) " "
+        BIND_PAT@[19; 20)
+          NAME@[19; 20)
+            IDENT@[19; 20) "x"
+        WHITESPACE@[20; 21) " "
+        EQ@[21; 22) "="
+        WHITESPACE@[22; 23) " "
+        BOX_EXPR@[23; 31)
+          BOX_KW@[23; 26) "box"
+          WHITESPACE@[26; 27) " "
+          LITERAL@[27; 31)
+            INT_NUMBER@[27; 31) "1i32"
+        SEMI@[31; 32) ";"
+      WHITESPACE@[32; 33) "\n"
+      R_CURLY@[33; 34) "}"
+  WHITESPACE@[34; 35) "\n"