[INFO] updating cached repository garyemerson/duplication
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/garyemerson/duplication
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/garyemerson/duplication" "work/ex/clippy-test-run/sources/stable/gh/garyemerson/duplication"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/garyemerson/duplication'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/garyemerson/duplication" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/garyemerson/duplication"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/garyemerson/duplication'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73da3374ff1f272fa4973a8454b4325b275741dc
[INFO] sha for GitHub repo garyemerson/duplication: 73da3374ff1f272fa4973a8454b4325b275741dc
[INFO] validating manifest of garyemerson/duplication 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 garyemerson/duplication 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 garyemerson/duplication
[INFO] finished frobbing garyemerson/duplication
[INFO] frobbed toml for garyemerson/duplication written to work/ex/clippy-test-run/sources/stable/gh/garyemerson/duplication/Cargo.toml
[INFO] started frobbing garyemerson/duplication
[INFO] finished frobbing garyemerson/duplication
[INFO] frobbed toml for garyemerson/duplication written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/garyemerson/duplication/Cargo.toml
[INFO] crate garyemerson/duplication 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 garyemerson/duplication against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/garyemerson/duplication:/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] ef90c9cd0b836e1ebb262f39da64449ecb957a6fb1d3574b9bb6bbdfefc93a0c
[INFO] running `"docker" "start" "-a" "ef90c9cd0b836e1ebb262f39da64449ecb957a6fb1d3574b9bb6bbdfefc93a0c"`
[INFO] [stderr]     Checking duplication v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:32:15
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let exp = (x as f64).log2().floor() as i32;
[INFO] [stderr]    |               ^^^^^^^^^^ help: try: `f64::from(x)`
[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/main.rs:32:15
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let exp = (x as f64).log2().floor() as i32;
[INFO] [stderr]    |               ^^^^^^^^^^ help: try: `f64::from(x)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "ef90c9cd0b836e1ebb262f39da64449ecb957a6fb1d3574b9bb6bbdfefc93a0c"`
[INFO] running `"docker" "rm" "-f" "ef90c9cd0b836e1ebb262f39da64449ecb957a6fb1d3574b9bb6bbdfefc93a0c"`
[INFO] [stdout] ef90c9cd0b836e1ebb262f39da64449ecb957a6fb1d3574b9bb6bbdfefc93a0c