[INFO] updating cached repository pigeon-working-group/serde-perf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pigeon-working-group/serde-perf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pigeon-working-group/serde-perf" "work/ex/clippy-test-run/sources/stable/gh/pigeon-working-group/serde-perf"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/pigeon-working-group/serde-perf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pigeon-working-group/serde-perf" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pigeon-working-group/serde-perf"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pigeon-working-group/serde-perf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f51f0bc263632e4b03791f2b56958bed69a38bb
[INFO] sha for GitHub repo pigeon-working-group/serde-perf: 7f51f0bc263632e4b03791f2b56958bed69a38bb
[INFO] validating manifest of pigeon-working-group/serde-perf 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 pigeon-working-group/serde-perf 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 pigeon-working-group/serde-perf
[INFO] finished frobbing pigeon-working-group/serde-perf
[INFO] frobbed toml for pigeon-working-group/serde-perf written to work/ex/clippy-test-run/sources/stable/gh/pigeon-working-group/serde-perf/Cargo.toml
[INFO] started frobbing pigeon-working-group/serde-perf
[INFO] finished frobbing pigeon-working-group/serde-perf
[INFO] frobbed toml for pigeon-working-group/serde-perf written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pigeon-working-group/serde-perf/Cargo.toml
[INFO] crate pigeon-working-group/serde-perf 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 pigeon-working-group/serde-perf 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/pigeon-working-group/serde-perf:/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] 8835ef9a453298be7916fde7fe9e026a973bf3601a85b3bb45a749cbd2ec9d11
[INFO] running `"docker" "start" "-a" "8835ef9a453298be7916fde7fe9e026a973bf3601a85b3bb45a749cbd2ec9d11"`
[INFO] [stderr]     Checking iter-read v0.1.0
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking serde_json v1.0.11
[INFO] [stderr]     Checking ron v0.2.0
[INFO] [stderr]     Checking serde_cbor v0.8.2
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde-pickle v0.4.0
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking bson v0.11.1
[INFO] [stderr]     Checking serde-perf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 |     dur.as_secs() as f64 * 1000.0 + dur.subsec_nanos() as f64 / 1_000_000.0
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(dur.subsec_nanos())`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 |     dur.as_secs() as f64 * 1000.0 + dur.subsec_nanos() as f64 / 1_000_000.0
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(dur.subsec_nanos())`
[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 24.12s
[INFO] running `"docker" "inspect" "8835ef9a453298be7916fde7fe9e026a973bf3601a85b3bb45a749cbd2ec9d11"`
[INFO] running `"docker" "rm" "-f" "8835ef9a453298be7916fde7fe9e026a973bf3601a85b3bb45a749cbd2ec9d11"`
[INFO] [stdout] 8835ef9a453298be7916fde7fe9e026a973bf3601a85b3bb45a749cbd2ec9d11