[INFO] updating cached repository michaelsproul/colourcat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michaelsproul/colourcat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsproul/colourcat" "work/ex/clippy-test-run/sources/stable/gh/michaelsproul/colourcat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/michaelsproul/colourcat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsproul/colourcat" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/michaelsproul/colourcat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/michaelsproul/colourcat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8701ed688a7e0b5ae57903dc174d6af82f8caa26
[INFO] sha for GitHub repo michaelsproul/colourcat: 8701ed688a7e0b5ae57903dc174d6af82f8caa26
[INFO] validating manifest of michaelsproul/colourcat 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 michaelsproul/colourcat 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 michaelsproul/colourcat
[INFO] finished frobbing michaelsproul/colourcat
[INFO] frobbed toml for michaelsproul/colourcat written to work/ex/clippy-test-run/sources/stable/gh/michaelsproul/colourcat/Cargo.toml
[INFO] started frobbing michaelsproul/colourcat
[INFO] finished frobbing michaelsproul/colourcat
[INFO] frobbed toml for michaelsproul/colourcat written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/michaelsproul/colourcat/Cargo.toml
[INFO] crate michaelsproul/colourcat has a lockfile. skipping
[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 michaelsproul/colourcat against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/michaelsproul/colourcat:/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] c97feb8de6213035e85cef17955888aebd2888381f609beae7ba31ec193e6a4d
[INFO] running `"docker" "start" "-a" "c97feb8de6213035e85cef17955888aebd2888381f609beae7ba31ec193e6a4d"`
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking colourcat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let (r1, g1, b1) = (ir1 as f64, ig1 as f64, ib1 as f64);
[INFO] [stderr]    |                         ^^^^^^^^^^ help: try: `f64::from(ir1)`
[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 u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:10:37
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let (r1, g1, b1) = (ir1 as f64, ig1 as f64, ib1 as f64);
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: try: `f64::from(ig1)`
[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: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:10:49
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let (r1, g1, b1) = (ir1 as f64, ig1 as f64, ib1 as f64);
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: try: `f64::from(ib1)`
[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: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let (r2, g2, b2) = (ir2 as f64, ig2 as f64, ib2 as f64);
[INFO] [stderr]    |                         ^^^^^^^^^^ help: try: `f64::from(ir2)`
[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: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:11:37
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let (r2, g2, b2) = (ir2 as f64, ig2 as f64, ib2 as f64);
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: try: `f64::from(ig2)`
[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: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:11:49
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let (r2, g2, b2) = (ir2 as f64, ig2 as f64, ib2 as f64);
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: try: `f64::from(ib2)`
[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: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let (r1, g1, b1) = (ir1 as f64, ig1 as f64, ib1 as f64);
[INFO] [stderr]    |                         ^^^^^^^^^^ help: try: `f64::from(ir1)`
[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 u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:10:37
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let (r1, g1, b1) = (ir1 as f64, ig1 as f64, ib1 as f64);
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: try: `f64::from(ig1)`
[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: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:10:49
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let (r1, g1, b1) = (ir1 as f64, ig1 as f64, ib1 as f64);
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: try: `f64::from(ib1)`
[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: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let (r2, g2, b2) = (ir2 as f64, ig2 as f64, ib2 as f64);
[INFO] [stderr]    |                         ^^^^^^^^^^ help: try: `f64::from(ir2)`
[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: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:11:37
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let (r2, g2, b2) = (ir2 as f64, ig2 as f64, ib2 as f64);
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: try: `f64::from(ig2)`
[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: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/colour.rs:11:49
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let (r2, g2, b2) = (ir2 as f64, ig2 as f64, ib2 as f64);
[INFO] [stderr]    |                                                 ^^^^^^^^^^ help: try: `f64::from(ib2)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `"docker" "inspect" "c97feb8de6213035e85cef17955888aebd2888381f609beae7ba31ec193e6a4d"`
[INFO] running `"docker" "rm" "-f" "c97feb8de6213035e85cef17955888aebd2888381f609beae7ba31ec193e6a4d"`
[INFO] [stdout] c97feb8de6213035e85cef17955888aebd2888381f609beae7ba31ec193e6a4d