[INFO] crate font_metrics 0.0.4 is already in cache
[INFO] extracting crate font_metrics 0.0.4 into work/ex/clippy-test-run/sources/stable/reg/font_metrics/0.0.4
[INFO] extracting crate font_metrics 0.0.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/font_metrics/0.0.4
[INFO] validating manifest of font_metrics-0.0.4 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of font_metrics-0.0.4 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing font_metrics-0.0.4
[INFO] finished frobbing font_metrics-0.0.4
[INFO] frobbed toml for font_metrics-0.0.4 written to work/ex/clippy-test-run/sources/stable/reg/font_metrics/0.0.4/Cargo.toml
[INFO] started frobbing font_metrics-0.0.4
[INFO] finished frobbing font_metrics-0.0.4
[INFO] frobbed toml for font_metrics-0.0.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/font_metrics/0.0.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting font_metrics-0.0.4 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/font_metrics/0.0.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f4527de20fe6f929d0f8bab1fbbf1cb900a91697480987c9947e28c7890edf15
[INFO] running `"docker" "start" "-a" "f4527de20fe6f929d0f8bab1fbbf1cb900a91697480987c9947e28c7890edf15"`
[INFO] [stderr]     Checking postscript v0.11.1
[INFO] [stderr]     Checking type1-encoding-parser v0.1.0
[INFO] [stderr]     Checking adobe-cmap-parser v0.3.3
[INFO] [stderr]     Checking rusttype v0.6.5
[INFO] [stderr]     Checking lopdf v0.15.3
[INFO] [stderr]     Checking pdf-extract v0.4.6
[INFO] [stderr]     Checking font_metrics v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]  --> src/lib.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 |         std::fs::read(&filename).expect(format!("Couldn't open font file {}", &filename).as_str());
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Couldn't open font file {}", &filename))`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |         _ => Some(((*ratio.numer() as f64) / (*ratio.denom() as f64)) as f32),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(*ratio.numer())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:22:46
[INFO] [stderr]    |
[INFO] [stderr] 22 |         _ => Some(((*ratio.numer() as f64) / (*ratio.denom() as f64)) as f32),
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(*ratio.denom())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]  --> src/lib.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 |         std::fs::read(&filename).expect(format!("Couldn't open font file {}", &filename).as_str());
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Couldn't open font file {}", &filename))`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |         _ => Some(((*ratio.numer() as f64) / (*ratio.denom() as f64)) as f32),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(*ratio.numer())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:22:46
[INFO] [stderr]    |
[INFO] [stderr] 22 |         _ => Some(((*ratio.numer() as f64) / (*ratio.denom() as f64)) as f32),
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(*ratio.denom())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> bin/fm-density.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let test_glyphs = test_alphabet.into_iter().map(get_glyph);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `test_alphabet`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> bin/fm-density.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     (inked_pixels as f64) / (area as f64)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(inked_pixels)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> bin/fm-density.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 |     (inked_pixels as f64) / (area as f64)
[INFO] [stderr]    |                             ^^^^^^^^^^^^^ help: try: `f64::from(area)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> bin/fm-density.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let test_glyphs = test_alphabet.into_iter().map(get_glyph);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `test_alphabet`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> bin/fm-density.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     (inked_pixels as f64) / (area as f64)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(inked_pixels)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> bin/fm-density.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 |     (inked_pixels as f64) / (area as f64)
[INFO] [stderr]    |                             ^^^^^^^^^^^^^ help: try: `f64::from(area)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> bin/fm-cpp.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     PathBuf::from(working_dir.join("cpp.pdf"))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `working_dir.join("cpp.pdf")`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> bin/fm-cpp.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     PathBuf::from(working_dir.join("cpp.pdf"))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `working_dir.join("cpp.pdf")`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.19s
[INFO] running `"docker" "inspect" "f4527de20fe6f929d0f8bab1fbbf1cb900a91697480987c9947e28c7890edf15"`
[INFO] running `"docker" "rm" "-f" "f4527de20fe6f929d0f8bab1fbbf1cb900a91697480987c9947e28c7890edf15"`
[INFO] [stdout] f4527de20fe6f929d0f8bab1fbbf1cb900a91697480987c9947e28c7890edf15