Remove --lib option

.github/workflows/CICD.yml

@@ -16,7 +16,7 @@ on:
 jobs:
   min_version:
     name: Minimum supported rust version
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - name: Checkout source code
       uses: actions/checkout@v2
@@ -27,16 +27,22 @@ jobs:
         toolchain: ${{ env.MIN_SUPPORTED_RUST_VERSION }}
         default: true
         profile: minimal # minimal component installation (ie, no documentation)
-        components: clippy
+        components: clippy, rustfmt
+    - name: Ensure `cargo fmt` has been run
+      uses: actions-rs/cargo@v1
+      with:
+        command: fmt
+        args: -- --check
     - name: Run clippy (on minimum supported rust version to prevent warnings we can't fix)
       uses: actions-rs/cargo@v1
       with:
         command: clippy
-        args: --all-targets --all-features
+        args: --locked --all-targets --all-features
     - name: Run tests
       uses: actions-rs/cargo@v1
       with:
         command: test
+        args: --locked
 
   build:
     name: ${{ matrix.job.os }} (${{ matrix.job.target }})
@@ -45,13 +51,13 @@ jobs:
       fail-fast: false
       matrix:
         job:
-          - { os: ubuntu-18.04, target: arm-unknown-linux-gnueabihf , use-cross: true }
-          - { os: ubuntu-18.04, target: arm-unknown-linux-musleabihf, use-cross: true }
-          - { os: ubuntu-18.04, target: aarch64-unknown-linux-gnu   , use-cross: true }
-          - { os: ubuntu-18.04, target: i686-unknown-linux-gnu      , use-cross: true }
-          - { os: ubuntu-18.04, target: i686-unknown-linux-musl     , use-cross: true }
-          - { os: ubuntu-18.04, target: x86_64-unknown-linux-gnu    }
-          - { os: ubuntu-18.04, target: x86_64-unknown-linux-musl   , use-cross: true }
+          - { os: ubuntu-20.04, target: arm-unknown-linux-gnueabihf , use-cross: true }
+          - { os: ubuntu-20.04, target: arm-unknown-linux-musleabihf, use-cross: true }
+          - { os: ubuntu-20.04, target: aarch64-unknown-linux-gnu   , use-cross: true }
+          - { os: ubuntu-20.04, target: i686-unknown-linux-gnu      , use-cross: true }
+          - { os: ubuntu-20.04, target: i686-unknown-linux-musl     , use-cross: true }
+          - { os: ubuntu-20.04, target: x86_64-unknown-linux-gnu    }
+          - { os: ubuntu-20.04, target: x86_64-unknown-linux-musl   , use-cross: true }
           - { os: macos-10.15 , target: x86_64-apple-darwin         }
           # - { os: windows-2019, target: i686-pc-windows-gnu         }  ## disabled; error: linker `i686-w64-mingw32-gcc` not found
           - { os: windows-2019, target: i686-pc-windows-msvc        }
@@ -100,7 +106,7 @@ jobs:
       with:
         use-cross: ${{ matrix.job.use-cross }}
         command: build
-        args: --release --target=${{ matrix.job.target }}
+        args: --locked --release --target=${{ matrix.job.target }}
 
     - name: Strip debug information from executable
       id: strip
@@ -142,6 +148,7 @@ jobs:
       id: test-options
       shell: bash
       run: |
+        # test only library unit tests and binary for arm-type targets
         unset CARGO_TEST_OPTIONS
         unset CARGO_TEST_OPTIONS ; case ${{ matrix.job.target }} in arm-* | aarch64-*) CARGO_TEST_OPTIONS="--bin ${PROJECT_NAME}" ;; esac;
         echo ::set-output name=CARGO_TEST_OPTIONS::${CARGO_TEST_OPTIONS}
@@ -151,7 +158,7 @@ jobs:
       with:
         use-cross: ${{ matrix.job.use-cross }}
         command: test
-        args: --target=${{ matrix.job.target }} ${{ steps.test-options.outputs.CARGO_TEST_OPTIONS}}
+        args: --locked --target=${{ matrix.job.target }} ${{ steps.test-options.outputs.CARGO_TEST_OPTIONS}}
 
     - name: Create tarball
       id: package

src/hyperfine/benchmark.rs

@@ -343,7 +343,9 @@ pub fn run_benchmark(
             format!("Current estimate: {}", mean.to_string().green())
         };
 
-        progress_bar.as_ref().map(|bar| bar.set_message(msg.to_owned()));
+        progress_bar
+            .as_ref()
+            .map(|bar| bar.set_message(msg.to_owned()));
 
         let (res, status) = time_shell_command(
             &options.shell,

src/hyperfine/internal.rs

@@ -64,8 +64,8 @@ fn compare_mean_time(l: &BenchmarkResult, r: &BenchmarkResult) -> Ordering {
     l.mean.partial_cmp(&r.mean).unwrap_or(Ordering::Equal)
 }
 
-pub fn compute_relative_speed (
-    results: & [BenchmarkResult],
+pub fn compute_relative_speed(
+    results: &[BenchmarkResult],
 ) -> Option<Vec<BenchmarkResultWithRelativeSpeed>> {
     let fastest: &BenchmarkResult = results
         .iter()