9 files changed, 47 insertions, 37 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 0476a15eb..54ad92bb1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -112,6 +112,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ae44d1a3d5a19df61dd0c8beb138458ac2a53a7ac09eba97d55592540004306b"
 
 [[package]]
+name = "camino"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9bb47ab72bdba43021afa16dc1ef4d80c980d366b17ed37ea8d2ebe2087075b9"
+dependencies = [
+ "serde",
+]
+
+[[package]]
 name = "cargo-platform"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -122,10 +131,11 @@ dependencies = [
 
 [[package]]
 name = "cargo_metadata"
-version = "0.12.3"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7714a157da7991e23d90686b9524b9e12e0407a108647f52e9328f4b3d51ac7f"
+checksum = "081e3f0755c1f380c2d010481b6fa2e02973586d5f2b24eebb7a2a1d98b143d8"
 dependencies = [
+ "camino",
  "cargo-platform",
  "semver",
  "semver-parser",
@@ -779,9 +789,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.86"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c"
+checksum = "265d751d31d6780a3f956bb5b8022feba2d94eeee5a84ba64f4212eedca42213"
 
 [[package]]
 name = "libloading"
@@ -1005,9 +1015,9 @@ checksum = "a9a7ab5d64814df0fe4a4b5ead45ed6c5f181ee3ff04ba344313a6c80446c5d4"
 
 [[package]]
 name = "once_cell"
-version = "1.7.0"
+version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10acf907b94fc1b1a152d08ef97e7759650268cf986bf127f387e602b02c7e5a"
+checksum = "ea78b9742c52ac729753c1590e9adc5248ea9bdaf974597efd46c74cfaa5fb54"
 
 [[package]]
 name = "oorandom"
@@ -1122,9 +1132,9 @@ checksum = "d70072c20945e1ab871c472a285fc772aefd4f5407723c206242f2c6f94595d6"
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "439697af366c49a6d0a010c56a0d97685bc140ce0d377b13a2ea2aa42d64a827"
+checksum = "0cf491442e4b033ed1c722cb9f0df5fcfcf4de682466c46469c36bc47dc5548a"
 
 [[package]]
 name = "proc-macro-hack"
diff --git a/crates/flycheck/Cargo.toml b/crates/flycheck/Cargo.toml
index 1d19c7886..2a1a21b28 100644
--- a/crates/flycheck/Cargo.toml
+++ b/crates/flycheck/Cargo.toml
@@ -12,9 +12,9 @@ doctest = false
 [dependencies]
 crossbeam-channel = "0.5.0"
 log = "0.4.8"
-cargo_metadata = "0.12.2"
+cargo_metadata = "0.13"
 serde_json = "1.0.48"
 jod-thread = "0.1.1"
 
 toolchain = { path = "../toolchain", version = "0.0.0" }
-stdx = { path = "../stdx", version = "0.0.0"  }
+stdx = { path = "../stdx", version = "0.0.0" }
diff --git a/crates/flycheck/src/lib.rs b/crates/flycheck/src/lib.rs
index e04208006..e2a59497a 100644
--- a/crates/flycheck/src/lib.rs
+++ b/crates/flycheck/src/lib.rs
@@ -194,7 +194,7 @@ impl FlycheckActor {
                     cargo_metadata::Message::BuildScriptExecuted(_)
                     | cargo_metadata::Message::BuildFinished(_)
                     | cargo_metadata::Message::TextLine(_)
-                    | cargo_metadata::Message::Unknown => {}
+                    | _ => {}
                 },
             }
         }
@@ -329,8 +329,7 @@ impl CargoActor {
             // Skip certain kinds of messages to only spend time on what's useful
             match &message {
                 cargo_metadata::Message::CompilerArtifact(artifact) if artifact.fresh => (),
-                cargo_metadata::Message::BuildScriptExecuted(_)
-                | cargo_metadata::Message::Unknown => (),
+                cargo_metadata::Message::BuildScriptExecuted(_) => (),
                 _ => self.sender.send(message).unwrap(),
             }
         }
diff --git a/crates/proc_macro_srv/Cargo.toml b/crates/proc_macro_srv/Cargo.toml
index 6c8c28980..4c1b3036a 100644
--- a/crates/proc_macro_srv/Cargo.toml
+++ b/crates/proc_macro_srv/Cargo.toml
@@ -20,7 +20,7 @@ proc_macro_api = { path = "../proc_macro_api", version = "0.0.0" }
 test_utils = { path = "../test_utils", version = "0.0.0" }
 
 [dev-dependencies]
-cargo_metadata = "0.12.2"
+cargo_metadata = "0.13"
 
 # used as proc macro test targets
 serde_derive = "1.0.106"
diff --git a/crates/proc_macro_srv/src/tests/utils.rs b/crates/proc_macro_srv/src/tests/utils.rs
index 196abb8fc..22813052d 100644
--- a/crates/proc_macro_srv/src/tests/utils.rs
+++ b/crates/proc_macro_srv/src/tests/utils.rs
@@ -8,6 +8,7 @@ use test_utils::assert_eq_text;
 
 mod fixtures {
     use cargo_metadata::Message;
+    use std::path::PathBuf;
     use std::process::Command;
 
     // Use current project metadata to get the proc-macro dylib path
@@ -24,7 +25,7 @@ mod fixtures {
                     if artifact.target.kind.contains(&"proc-macro".to_string()) {
                         let repr = format!("{} {}", crate_name, version);
                         if artifact.package_id.repr.starts_with(&repr) {
-                            return artifact.filenames[0].clone();
+                            return PathBuf::from(&artifact.filenames[0]);
                         }
                     }
                 }
diff --git a/crates/project_model/Cargo.toml b/crates/project_model/Cargo.toml
index 293cb5bfe..fe3258332 100644
--- a/crates/project_model/Cargo.toml
+++ b/crates/project_model/Cargo.toml
@@ -12,7 +12,7 @@ doctest = false
 [dependencies]
 log = "0.4.8"
 rustc-hash = "1.1.0"
-cargo_metadata = "0.12.2"
+cargo_metadata = "0.13"
 serde = { version = "1.0.106", features = ["derive"] }
 serde_json = "1.0.48"
 anyhow = "1.0.26"
@@ -22,7 +22,7 @@ la-arena = { version = "0.2.0", path = "../../lib/arena" }
 cfg = { path = "../cfg", version = "0.0.0" }
 base_db = { path = "../base_db", version = "0.0.0" }
 toolchain = { path = "../toolchain", version = "0.0.0" }
-proc_macro_api =  { path = "../proc_macro_api", version = "0.0.0" }
-paths =  { path = "../paths", version = "0.0.0" }
-stdx =  { path = "../stdx", version = "0.0.0" }
-profile =  { path = "../profile", version = "0.0.0" }
+proc_macro_api = { path = "../proc_macro_api", version = "0.0.0" }
+paths = { path = "../paths", version = "0.0.0" }
+stdx = { path = "../stdx", version = "0.0.0" }
+profile = { path = "../profile", version = "0.0.0" }
diff --git a/crates/project_model/src/build_data.rs b/crates/project_model/src/build_data.rs
index 295b5f8ef..728a258ea 100644
--- a/crates/project_model/src/build_data.rs
+++ b/crates/project_model/src/build_data.rs
@@ -1,14 +1,14 @@
 //! Handles build script specific information
 
 use std::{
-    ffi::OsStr,
     io::BufReader,
-    path::{Path, PathBuf},
+    path::PathBuf,
     process::{Command, Stdio},
     sync::Arc,
 };
 
 use anyhow::Result;
+use cargo_metadata::camino::Utf8Path;
 use cargo_metadata::{BuildScript, Message};
 use itertools::Itertools;
 use paths::{AbsPath, AbsPathBuf};
@@ -162,8 +162,8 @@ fn collect_from_workspace(
                     let res = res.entry(package_id.repr.clone()).or_default();
                     // cargo_metadata crate returns default (empty) path for
                     // older cargos, which is not absolute, so work around that.
-                    if out_dir != PathBuf::default() {
-                        let out_dir = AbsPathBuf::assert(out_dir);
+                    if !out_dir.as_str().is_empty() {
+                        let out_dir = AbsPathBuf::assert(PathBuf::from(out_dir.into_os_string()));
                         res.out_dir = Some(out_dir);
                         res.cfgs = cfgs;
                     }
@@ -178,7 +178,7 @@ fn collect_from_workspace(
                         // Skip rmeta file
                         if let Some(filename) = message.filenames.iter().find(|name| is_dylib(name))
                         {
-                            let filename = AbsPathBuf::assert(filename.clone());
+                            let filename = AbsPathBuf::assert(PathBuf::from(&filename));
                             let res = res.entry(package_id.repr.clone()).or_default();
                             res.proc_macro_dylib_path = Some(filename);
                         }
@@ -187,9 +187,9 @@ fn collect_from_workspace(
                 Message::CompilerMessage(message) => {
                     progress(message.target.name.clone());
                 }
-                Message::Unknown => (),
                 Message::BuildFinished(_) => {}
                 Message::TextLine(_) => {}
+                _ => {}
             }
         }
     }
@@ -209,8 +209,8 @@ fn collect_from_workspace(
 }
 
 // FIXME: File a better way to know if it is a dylib
-fn is_dylib(path: &Path) -> bool {
-    match path.extension().and_then(OsStr::to_str).map(|it| it.to_string().to_lowercase()) {
+fn is_dylib(path: &Utf8Path) -> bool {
+    match path.extension().map(|e| e.to_string().to_lowercase()) {
         None => false,
         Some(ext) => matches!(ext.as_str(), "dll" | "dylib" | "so"),
     }
@@ -227,9 +227,7 @@ fn inject_cargo_env(package: &cargo_metadata::Package, build_data: &mut BuildDat
 
     let mut manifest_dir = package.manifest_path.clone();
     manifest_dir.pop();
-    if let Some(cargo_manifest_dir) = manifest_dir.to_str() {
-        env.push(("CARGO_MANIFEST_DIR".into(), cargo_manifest_dir.into()));
-    }
+    env.push(("CARGO_MANIFEST_DIR".into(), manifest_dir.into_string()));
 
     // Not always right, but works for common cases.
     env.push(("CARGO".into(), "cargo".into()));
@@ -251,7 +249,6 @@ fn inject_cargo_env(package: &cargo_metadata::Package, build_data: &mut BuildDat
     env.push(("CARGO_PKG_REPOSITORY".into(), package.repository.clone().unwrap_or_default()));
     env.push(("CARGO_PKG_LICENSE".into(), package.license.clone().unwrap_or_default()));
 
-    let license_file =
-        package.license_file.as_ref().map(|buf| buf.display().to_string()).unwrap_or_default();
+    let license_file = package.license_file.as_ref().map(|buf| buf.to_string()).unwrap_or_default();
     env.push(("CARGO_PKG_LICENSE_FILE".into(), license_file));
 }
diff --git a/crates/project_model/src/cargo_workspace.rs b/crates/project_model/src/cargo_workspace.rs
index 1d8d34a0b..f7241b711 100644
--- a/crates/project_model/src/cargo_workspace.rs
+++ b/crates/project_model/src/cargo_workspace.rs
@@ -1,5 +1,6 @@
 //! FIXME: write short doc here
 
+use std::path::PathBuf;
 use std::{convert::TryInto, ops, process::Command, sync::Arc};
 
 use anyhow::{Context, Result};
@@ -249,11 +250,12 @@ impl CargoWorkspace {
             let edition = edition
                 .parse::<Edition>()
                 .with_context(|| format!("Failed to parse edition {}", edition))?;
+
             let pkg = packages.alloc(PackageData {
                 id: id.repr.clone(),
                 name: name.clone(),
                 version: version.to_string(),
-                manifest: AbsPathBuf::assert(manifest_path.clone()),
+                manifest: AbsPathBuf::assert(PathBuf::from(&manifest_path)),
                 targets: Vec::new(),
                 is_member,
                 edition,
@@ -268,7 +270,7 @@ impl CargoWorkspace {
                 let tgt = targets.alloc(TargetData {
                     package: pkg,
                     name: meta_tgt.name.clone(),
-                    root: AbsPathBuf::assert(meta_tgt.src_path.clone()),
+                    root: AbsPathBuf::assert(PathBuf::from(&meta_tgt.src_path)),
                     kind: TargetKind::new(meta_tgt.kind.as_slice()),
                     is_proc_macro,
                 });
@@ -305,7 +307,8 @@ impl CargoWorkspace {
             packages[source].active_features.extend(node.features);
         }
 
-        let workspace_root = AbsPathBuf::assert(meta.workspace_root);
+        let workspace_root =
+            AbsPathBuf::assert(PathBuf::from(meta.workspace_root.into_os_string()));
         let build_data_config = BuildDataConfig::new(
             cargo_toml.to_path_buf(),
             config.clone(),
diff --git a/crates/rust-analyzer/src/diagnostics/to_proto.rs b/crates/rust-analyzer/src/diagnostics/to_proto.rs
index 0ed87fe3e..0ad832c0e 100644
--- a/crates/rust-analyzer/src/diagnostics/to_proto.rs
+++ b/crates/rust-analyzer/src/diagnostics/to_proto.rs
@@ -29,7 +29,7 @@ fn diagnostic_severity(
         },
         DiagnosticLevel::Note => lsp_types::DiagnosticSeverity::Information,
         DiagnosticLevel::Help => lsp_types::DiagnosticSeverity::Hint,
-        DiagnosticLevel::Unknown => return None,
+        _ => return None,
     };
     Some(res)
 }