[INFO] updating cached repository lesguillemets/rsw
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lesguillemets/rsw
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lesguillemets/rsw" "work/ex/clippy-test-run/sources/stable/gh/lesguillemets/rsw"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/lesguillemets/rsw'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lesguillemets/rsw" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lesguillemets/rsw"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lesguillemets/rsw'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fccfbb7f2cc5a9a64345f52ab2e3e24c3a15898e
[INFO] sha for GitHub repo lesguillemets/rsw: fccfbb7f2cc5a9a64345f52ab2e3e24c3a15898e
[INFO] validating manifest of lesguillemets/rsw 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 lesguillemets/rsw 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 lesguillemets/rsw
[INFO] finished frobbing lesguillemets/rsw
[INFO] frobbed toml for lesguillemets/rsw written to work/ex/clippy-test-run/sources/stable/gh/lesguillemets/rsw/Cargo.toml
[INFO] started frobbing lesguillemets/rsw
[INFO] finished frobbing lesguillemets/rsw
[INFO] frobbed toml for lesguillemets/rsw written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lesguillemets/rsw/Cargo.toml
[INFO] crate lesguillemets/rsw 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 lesguillemets/rsw against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lesguillemets/rsw:/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 -Dclippy::into_iter_on_array" "-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] e6c9185f013754888e4696f7fff15fdb0e1c18b1e5dd5ecf8f31a5985db6df9f
[INFO] running `"docker" "start" "-a" "e6c9185f013754888e4696f7fff15fdb0e1c18b1e5dd5ecf8f31a5985db6df9f"`
[INFO] [stderr]     Checking stopwatch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/main.rs:25:66
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn format_duration<T: Write>(d: &Duration, w: &mut BufWriter<T>) -> () {
[INFO] [stderr]    |                                                                  ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/main.rs:25:66
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn format_duration<T: Write>(d: &Duration, w: &mut BufWriter<T>) -> () {
[INFO] [stderr]    |                                                                  ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     println!("Hello, world!");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     println!("Hello, world!");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let ms = d.subsec_nanos() / 1_000_000;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `d.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let ms = d.subsec_nanos() / 1_000_000;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `d.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "e6c9185f013754888e4696f7fff15fdb0e1c18b1e5dd5ecf8f31a5985db6df9f"`
[INFO] running `"docker" "rm" "-f" "e6c9185f013754888e4696f7fff15fdb0e1c18b1e5dd5ecf8f31a5985db6df9f"`
[INFO] [stdout] e6c9185f013754888e4696f7fff15fdb0e1c18b1e5dd5ecf8f31a5985db6df9f