[INFO] updating cached repository jepityr/aoc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jepityr/aoc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jepityr/aoc" "work/ex/clippy-test-run/sources/stable/gh/jepityr/aoc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jepityr/aoc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jepityr/aoc" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jepityr/aoc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jepityr/aoc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f71a39c70cd0ba686c2e7966d346edb0596b2908
[INFO] sha for GitHub repo jepityr/aoc: f71a39c70cd0ba686c2e7966d346edb0596b2908
[INFO] validating manifest of jepityr/aoc 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 jepityr/aoc 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 jepityr/aoc
[INFO] finished frobbing jepityr/aoc
[INFO] frobbed toml for jepityr/aoc written to work/ex/clippy-test-run/sources/stable/gh/jepityr/aoc/Cargo.toml
[INFO] started frobbing jepityr/aoc
[INFO] finished frobbing jepityr/aoc
[INFO] frobbed toml for jepityr/aoc written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jepityr/aoc/Cargo.toml
[INFO] crate jepityr/aoc 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 jepityr/aoc against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/jepityr/aoc:/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] 4430036af2c0e2d42adf7369acfd2563d35195a1544e8426a9f24e109dc34cab
[INFO] running `"docker" "start" "-a" "4430036af2c0e2d42adf7369acfd2563d35195a1544e8426a9f24e109dc34cab"`
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]     --> src/bin/day7.rs:1322:5
[INFO] [stderr]      |
[INFO] [stderr] 1322 | /     let mut c = None;
[INFO] [stderr] 1323 | |     if l.split(' ').count() > 2 {
[INFO] [stderr] 1324 | |         c = Some(l.split(' ').skip(3).map(|s| s.trim_matches(',')).collect());
[INFO] [stderr] 1325 | |     }
[INFO] [stderr]      | |_____^ help: it is more idiomatic to write: `let <mut> c = if l.split(' ').count() > 2 { Some(l.split(' ').skip(3).map(|s| s.trim_matches(',')).collect()) } else { None };`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]      = note: you might not need `mut` at all
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]     --> src/bin/day7.rs:1322:5
[INFO] [stderr]      |
[INFO] [stderr] 1322 | /     let mut c = None;
[INFO] [stderr] 1323 | |     if l.split(' ').count() > 2 {
[INFO] [stderr] 1324 | |         c = Some(l.split(' ').skip(3).map(|s| s.trim_matches(',')).collect());
[INFO] [stderr] 1325 | |     }
[INFO] [stderr]      | |_____^ help: it is more idiomatic to write: `let <mut> c = if l.split(' ').count() > 2 { Some(l.split(' ').skip(3).map(|s| s.trim_matches(',')).collect()) } else { None };`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]      = note: you might not need `mut` at all
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "4430036af2c0e2d42adf7369acfd2563d35195a1544e8426a9f24e109dc34cab"`
[INFO] running `"docker" "rm" "-f" "4430036af2c0e2d42adf7369acfd2563d35195a1544e8426a9f24e109dc34cab"`
[INFO] [stdout] 4430036af2c0e2d42adf7369acfd2563d35195a1544e8426a9f24e109dc34cab