3 files changed, 93 insertions, 137 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 9285a3c..d297dd7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,20 +2,13 @@
 # It is not intended for manual editing.
 [[package]]
 name = "ahash"
-version = "0.3.8"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8fd72866655d1904d6b0997d0b07ba561047d070fbe29de039031c641b61217"
+checksum = "796540673305a66d127804eef19ad696f1f204b8c1025aaca4958c17eab32877"
 dependencies = [
- "const-random",
-]
-
-[[package]]
-name = "ahash"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "739f4a8db6605981345c5654f3a85b056ce52f37a39d34da03f25bf2151ea16e"
-dependencies = [
- "const-random",
+ "getrandom 0.2.1",
+ "once_cell",
+ "version_check",
 ]
 
 [[package]]
@@ -127,37 +120,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "cloudabi"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-dependencies = [
- "bitflags",
-]
-
-[[package]]
-name = "const-random"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f590d95d011aa80b063ffe3253422ed5aa462af4e9867d43ce8337562bac77c4"
-dependencies = [
- "const-random-macro",
- "proc-macro-hack",
-]
-
-[[package]]
-name = "const-random-macro"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "615f6e27d000a2bffbc7f2f6a8669179378fa27ee4d0a509e985dfc0a7defb40"
-dependencies = [
- "getrandom 0.2.1",
- "lazy_static",
- "proc-macro-hack",
- "tiny-keccak",
-]
-
-[[package]]
 name = "constant_time_eq"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -165,23 +127,12 @@ checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
-dependencies = [
- "crossbeam-utils 0.7.2",
- "maybe-uninit",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.7.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+checksum = "dca26ee1f8d361640700bde38b2c37d8c22b3ce2d360e1fc1c74ea4b0aa7d775"
 dependencies = [
- "autocfg",
- "cfg-if 0.1.10",
- "lazy_static",
+ "cfg-if 1.0.0",
+ "crossbeam-utils",
 ]
 
 [[package]]
@@ -197,9 +148,9 @@ dependencies = [
 
 [[package]]
 name = "crossterm"
-version = "0.17.7"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f4919d60f26ae233e14233cc39746c8c8bb8cd7b05840ace83604917b51b6c7"
+checksum = "7c36c10130df424b2f3552fcc2ddcd9b28a27b1e54b358b45874f88d1ca6888c"
 dependencies = [
  "bitflags",
  "crossterm_winapi",
@@ -207,26 +158,20 @@ dependencies = [
  "libc",
  "mio 0.7.7",
  "parking_lot",
- "signal-hook",
+ "signal-hook 0.1.17",
  "winapi 0.3.9",
 ]
 
 [[package]]
 name = "crossterm_winapi"
-version = "0.6.2"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2265c3f8e080075d9b6417aa72293fc71662f34b4af2612d8d1b074d29510db"
+checksum = "0da8964ace4d3e4a044fd027919b2237000b24315a37c916f61809f1ff2140b9"
 dependencies = [
  "winapi 0.3.9",
 ]
 
 [[package]]
-name = "crunchy"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
-
-[[package]]
 name = "ctor"
 version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -238,44 +183,44 @@ dependencies = [
 
 [[package]]
 name = "cursive"
-version = "0.15.0"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a9f12332ab2bca26979ef00cfef9a1c2e287db03b787a83d892ad9961f81374"
+checksum = "6593c3409eb794bf22090bec60dda1e19d1def284478bec7e5a92da3cf977c52"
 dependencies = [
- "ahash 0.3.8",
- "cfg-if 0.1.10",
+ "ahash",
+ "cfg-if 1.0.0",
  "crossbeam-channel",
  "crossterm",
  "cursive_core",
- "enumset",
  "lazy_static",
  "libc",
  "log",
- "signal-hook",
+ "signal-hook 0.3.4",
  "termion",
  "unicode-segmentation",
  "unicode-width",
+ "wasmer_enumset",
 ]
 
 [[package]]
 name = "cursive_core"
-version = "0.1.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85fc5b6a8ba2f1bc743892068bde466438f78d6247197e2dc094bfd53fdea4b7"
+checksum = "025ac0bcd21ced752d27b70e6aa2285a3513d07b5a0c7f89e71121d20ca1429d"
 dependencies = [
- "ahash 0.4.7",
+ "ahash",
  "chrono",
  "crossbeam-channel",
  "enum-map",
- "enumset",
  "lazy_static",
  "libc",
  "log",
  "num",
  "owning_ref",
- "signal-hook",
+ "syn",
  "unicode-segmentation",
  "unicode-width",
+ "wasmer_enumset",
  "xi-unicode",
 ]
 
@@ -374,28 +319,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "enumset"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "959a80a2062fedd66ed41d99736212de987b3a8c83a4c2cef243968075256bd1"
-dependencies = [
- "enumset_derive",
- "num-traits",
-]
-
-[[package]]
-name = "enumset_derive"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74bef436ac71820c5cf768d7af9ba33121246b09a00e09a55d94ef8095a875ac"
-dependencies = [
- "darling",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
 name = "erased-serde"
 version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -526,6 +449,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "instant"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61124eeebbd69b8190558df225adf7e4caafce0d743919e5d6b19652314ec5ec"
+dependencies = [
+ "cfg-if 1.0.0",
+]
+
+[[package]]
 name = "inventory"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -592,9 +524,9 @@ checksum = "89203f3fba0a3795506acaad8ebce3c80c0af93f994d5a1d7a0b1eeb23271929"
 
 [[package]]
 name = "lock_api"
-version = "0.3.4"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4da24a77a3d8a6d4862d95f72e6fdb9c09a643ecdb402d754004a557f2bec75"
+checksum = "dd96ffd135b2fd7b973ac026d28085defbe8983df057ced3eb4f2130b0831312"
 dependencies = [
  "scopeguard",
 ]
@@ -609,12 +541,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
-[[package]]
 name = "mio"
 version = "0.6.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -788,6 +714,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
 
 [[package]]
+name = "once_cell"
+version = "1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
+
+[[package]]
 name = "owning_ref"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -798,22 +730,23 @@ dependencies = [
 
 [[package]]
 name = "parking_lot"
-version = "0.10.2"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3a704eb390aafdc107b0e392f56a82b668e3a71366993b5340f5833fd62505e"
+checksum = "6d7744ac029df22dca6284efe4e898991d28e3085c706c972bcd7da4a27a15eb"
 dependencies = [
+ "instant",
  "lock_api",
  "parking_lot_core",
 ]
 
 [[package]]
 name = "parking_lot_core"
-version = "0.7.2"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d58c7c768d4ba344e3e8d72518ac13e259d7c7ade24167003b8488e10b6740a3"
+checksum = "9ccb628cad4f84851442432c60ad8e1f607e29752d0bf072cbd0baf28aa34272"
 dependencies = [
- "cfg-if 0.1.10",
- "cloudabi",
+ "cfg-if 1.0.0",
+ "instant",
  "libc",
  "redox_syscall",
  "smallvec",
@@ -821,12 +754,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "proc-macro-hack"
-version = "0.5.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
-
-[[package]]
 name = "proc-macro2"
 version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -879,7 +806,7 @@ dependencies = [
  "base64",
  "blake2b_simd",
  "constant_time_eq",
- "crossbeam-utils 0.8.1",
+ "crossbeam-utils",
 ]
 
 [[package]]
@@ -946,6 +873,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "signal-hook"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "780f5e3fe0c66f67197236097d89de1e86216f1f6fdeaf47c442f854ab46c240"
+dependencies = [
+ "libc",
+ "signal-hook-registry",
+]
+
+[[package]]
 name = "signal-hook-registry"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1038,15 +975,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "tiny-keccak"
-version = "2.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
-dependencies = [
- "crunchy",
-]
-
-[[package]]
 name = "toml"
 version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1104,6 +1032,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
 [[package]]
+name = "version_check"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
+
+[[package]]
 name = "walkdir"
 version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1127,6 +1061,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93c6c3420963c5c64bca373b25e77acb562081b9bb4dd5bb864187742186cea9"
 
 [[package]]
+name = "wasmer_enumset"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf088cc1f7d247fd96dff0df46fb1bbb747d8a69ae1ecd71aed55c55e354b2d8"
+dependencies = [
+ "num-traits",
+ "wasmer_enumset_derive",
+]
+
+[[package]]
+name = "wasmer_enumset_derive"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8d1b32d98e11194200baf6d3f85eb2d6cfe56f6d9af0dd617f90ca48f958a88"
+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
 name = "winapi"
 version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1181,6 +1137,6 @@ dependencies = [
 
 [[package]]
 name = "xi-unicode"
-version = "0.2.1"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e71b85d8b1b8bfaf4b5c834187554d201a8cd621c2bbfa33efd41a3ecabd48b2"
+checksum = "a67300977d3dc3f8034dae89778f502b6ba20b269527b3223ba59c0cf393bb8a"
diff --git a/Cargo.toml b/Cargo.toml
index aca1963..d74c940 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ toml = "0.5.6"
 syn = "=1.0.57"
 
 [dependencies.cursive]
-version = "0.15"
+version = "0.16"
 default-features = false
 
 [dependencies.chrono]
diff --git a/src/main.rs b/src/main.rs
index 5280b35..92e29f9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -69,10 +69,10 @@ fn main() {
         }
     } else {
         #[cfg(any(feature = "termion-backend", feature = "default"))]
-        let mut s = termion().unwrap();
+        let mut s = termion();
 
         #[cfg(feature = "crossterm-backend")]
-        let mut s = crossterm().unwrap();
+        let mut s = crossterm();
 
         let app = App::load_state();
         let layout = NamedView::new(