[INFO] updating cached repository hygt/aoc2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hygt/aoc2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hygt/aoc2018" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/hygt/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/hygt/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hygt/aoc2018" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/hygt/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/hygt/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f286deb972eaf2daf00125c4813ae05d6655852
[INFO] sha for GitHub repo hygt/aoc2018: 8f286deb972eaf2daf00125c4813ae05d6655852
[INFO] validating manifest of hygt/aoc2018 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hygt/aoc2018 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hygt/aoc2018
[INFO] finished frobbing hygt/aoc2018
[INFO] frobbed toml for hygt/aoc2018 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/hygt/aoc2018/Cargo.toml
[INFO] started frobbing hygt/aoc2018
[INFO] finished frobbing hygt/aoc2018
[INFO] frobbed toml for hygt/aoc2018 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/hygt/aoc2018/Cargo.toml
[INFO] crate hygt/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hygt/aoc2018 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/hygt/aoc2018:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d14ffbecebf1c26896c9b9750ea83c3d65a5ade3fadf221cafe62a0d258e93ef
[INFO] running `"docker" "start" "-a" "d14ffbecebf1c26896c9b9750ea83c3d65a5ade3fadf221cafe62a0d258e93ef"`
[INFO] [stderr]     Checking edit-distance v2.0.1
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking aoc2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day04.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let mut minutes = guards.entry(guard_id).or_insert(vec![0u32; 60]);
[INFO] [stderr]    |                     ----^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day04.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let mut minutes = guards.entry(guard_id).or_insert(vec![0u32; 60]);
[INFO] [stderr]    |                     ----^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `"docker" "inspect" "d14ffbecebf1c26896c9b9750ea83c3d65a5ade3fadf221cafe62a0d258e93ef"`
[INFO] running `"docker" "rm" "-f" "d14ffbecebf1c26896c9b9750ea83c3d65a5ade3fadf221cafe62a0d258e93ef"`
[INFO] [stdout] d14ffbecebf1c26896c9b9750ea83c3d65a5ade3fadf221cafe62a0d258e93ef