[INFO] crate si7021 0.1.0 is already in cache
[INFO] extracting crate si7021 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/si7021/0.1.0
[INFO] extracting crate si7021 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/si7021/0.1.0
[INFO] validating manifest of si7021-0.1.0 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 si7021-0.1.0 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 si7021-0.1.0
[INFO] finished frobbing si7021-0.1.0
[INFO] frobbed toml for si7021-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/si7021/0.1.0/Cargo.toml
[INFO] started frobbing si7021-0.1.0
[INFO] finished frobbing si7021-0.1.0
[INFO] frobbed toml for si7021-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/si7021/0.1.0/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 si7021-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/si7021/0.1.0:/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] fad0bc3cfc0d25b641a4b75796796a0627082d1ed8ab4b8972944c7757b22647
[INFO] running `"docker" "start" "-a" "fad0bc3cfc0d25b641a4b75796796a0627082d1ed8ab4b8972944c7757b22647"`
[INFO] [stderr]     Checking i2csensors v0.1.3
[INFO] [stderr]     Checking si7021 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:80:37
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let relative_humidity = 125.0 * raw_humidity as f32 / 65536.0 - 6.0;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(raw_humidity)`
[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 u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |     175.72 * raw_temperature as f32 / 65536.0 - 46.85
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(raw_temperature)`
[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 u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:80:37
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let relative_humidity = 125.0 * raw_humidity as f32 / 65536.0 - 6.0;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(raw_humidity)`
[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 u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |     175.72 * raw_temperature as f32 / 65536.0 - 46.85
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(raw_temperature)`
[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 1.99s
[INFO] running `"docker" "inspect" "fad0bc3cfc0d25b641a4b75796796a0627082d1ed8ab4b8972944c7757b22647"`
[INFO] running `"docker" "rm" "-f" "fad0bc3cfc0d25b641a4b75796796a0627082d1ed8ab4b8972944c7757b22647"`
[INFO] [stdout] fad0bc3cfc0d25b641a4b75796796a0627082d1ed8ab4b8972944c7757b22647