Dec 12 03:42:10.202 INFO checking BookOwl/advent2018 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:42:10.202 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 03:42:10.469 INFO [stdout] 3a6d5b9dd6919e4486f7d508ba1a7c21e1a205ed235cf4b12d4a3bdb9f121477
Dec 12 03:42:10.471 INFO running `"docker" "start" "-a" "3a6d5b9dd6919e4486f7d508ba1a7c21e1a205ed235cf4b12d4a3bdb9f121477"`
Dec 12 03:42:11.005 INFO [stderr] usermod: no changes
Dec 12 03:42:11.068 INFO [stderr]     Checking advent2018 v0.1.0 (/source)
Dec 12 03:42:12.692 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:12.692 INFO [stderr]   --> src/bin/day2.rs:48:9
Dec 12 03:42:12.692 INFO [stderr]    |
Dec 12 03:42:12.692 INFO [stderr] 48 |     let mut words = words?;
Dec 12 03:42:12.692 INFO [stderr]    |         ----^^^^^
Dec 12 03:42:12.692 INFO [stderr]    |         |
Dec 12 03:42:12.692 INFO [stderr]    |         help: remove this `mut`
Dec 12 03:42:12.692 INFO [stderr]    |
Dec 12 03:42:12.692 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 03:42:12.692 INFO [stderr] 
Dec 12 03:42:14.256 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:14.256 INFO [stderr]   --> src/bin/day2.rs:48:9
Dec 12 03:42:14.256 INFO [stderr]    |
Dec 12 03:42:14.256 INFO [stderr] 48 |     let mut words = words?;
Dec 12 03:42:14.256 INFO [stderr]    |         ----^^^^^
Dec 12 03:42:14.256 INFO [stderr]    |         |
Dec 12 03:42:14.256 INFO [stderr]    |         help: remove this `mut`
Dec 12 03:42:14.256 INFO [stderr]    |
Dec 12 03:42:14.256 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 03:42:14.256 INFO [stderr] 
Dec 12 03:42:15.960 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:15.960 INFO [stderr]   --> src/bin/day4.rs:63:21
Dec 12 03:42:15.960 INFO [stderr]    |
Dec 12 03:42:15.960 INFO [stderr] 63 |                 let mut map = sleep_times.entry(gaurd_id).or_insert_with(HashMap::new);
Dec 12 03:42:15.961 INFO [stderr]    |                     ----^^^
Dec 12 03:42:15.961 INFO [stderr]    |                     |
Dec 12 03:42:15.961 INFO [stderr]    |                     help: remove this `mut`
Dec 12 03:42:15.996 INFO [stderr]    |
Dec 12 03:42:15.996 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 03:42:15.996 INFO [stderr] 
Dec 12 03:42:16.002 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:16.002 INFO [stderr]    --> src/bin/day4.rs:105:17
Dec 12 03:42:16.002 INFO [stderr]     |
Dec 12 03:42:16.002 INFO [stderr] 105 |             let mut x = minutes.entry(i).or_insert((0, 0)); // (gaurd_id, number_of_times_asleep)
Dec 12 03:42:16.002 INFO [stderr]     |                 ----^
Dec 12 03:42:16.002 INFO [stderr]     |                 |
Dec 12 03:42:16.002 INFO [stderr]     |                 help: remove this `mut`
Dec 12 03:42:16.016 INFO [stderr] 
Dec 12 03:42:16.580 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:16.580 INFO [stderr]   --> src/bin/day4.rs:63:21
Dec 12 03:42:16.580 INFO [stderr]    |
Dec 12 03:42:16.580 INFO [stderr] 63 |                 let mut map = sleep_times.entry(gaurd_id).or_insert_with(HashMap::new);
Dec 12 03:42:16.580 INFO [stderr]    |                     ----^^^
Dec 12 03:42:16.580 INFO [stderr]    |                     |
Dec 12 03:42:16.580 INFO [stderr]    |                     help: remove this `mut`
Dec 12 03:42:16.580 INFO [stderr]    |
Dec 12 03:42:16.580 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 03:42:16.580 INFO [stderr] 
Dec 12 03:42:16.596 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:16.596 INFO [stderr]    --> src/bin/day4.rs:105:17
Dec 12 03:42:16.596 INFO [stderr]     |
Dec 12 03:42:16.596 INFO [stderr] 105 |             let mut x = minutes.entry(i).or_insert((0, 0)); // (gaurd_id, number_of_times_asleep)
Dec 12 03:42:16.596 INFO [stderr]     |                 ----^
Dec 12 03:42:16.596 INFO [stderr]     |                 |
Dec 12 03:42:16.596 INFO [stderr]     |                 help: remove this `mut`
Dec 12 03:42:16.596 INFO [stderr] 
Dec 12 03:42:16.612 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
Dec 12 03:42:16.617 INFO [stderr] su: No module specific data is present
Dec 12 03:42:17.314 INFO running `"docker" "inspect" "3a6d5b9dd6919e4486f7d508ba1a7c21e1a205ed235cf4b12d4a3bdb9f121477"`
Dec 12 03:42:17.556 INFO running `"docker" "rm" "-f" "3a6d5b9dd6919e4486f7d508ba1a7c21e1a205ed235cf4b12d4a3bdb9f121477"`
Dec 12 03:42:17.698 INFO [stdout] 3a6d5b9dd6919e4486f7d508ba1a7c21e1a205ed235cf4b12d4a3bdb9f121477