Dec 12 03:42:10.361 INFO checking BookOwl/advent2018 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 03:42:10.361 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 03:42:10.586 INFO [stdout] 97d38e6145fc1bb335e7a172cc9835b0a789c886ddf12c8aef1d9f287f96cb94
Dec 12 03:42:10.588 INFO running `"docker" "start" "-a" "97d38e6145fc1bb335e7a172cc9835b0a789c886ddf12c8aef1d9f287f96cb94"`
Dec 12 03:42:10.996 INFO [stderr] usermod: no changes
Dec 12 03:42:11.050 INFO [stderr]     Checking advent2018 v0.1.0 (/source)
Dec 12 03:42:12.452 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:12.452 INFO [stderr]   --> src/bin/day2.rs:48:9
Dec 12 03:42:12.452 INFO [stderr]    |
Dec 12 03:42:12.452 INFO [stderr] 48 |     let mut words = words?;
Dec 12 03:42:12.452 INFO [stderr]    |         ----^^^^^
Dec 12 03:42:12.452 INFO [stderr]    |         |
Dec 12 03:42:12.452 INFO [stderr]    |         help: remove this `mut`
Dec 12 03:42:12.452 INFO [stderr]    |
Dec 12 03:42:12.452 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 03:42:12.452 INFO [stderr] 
Dec 12 03:42:12.604 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:12.604 INFO [stderr]   --> src/bin/day2.rs:48:9
Dec 12 03:42:12.604 INFO [stderr]    |
Dec 12 03:42:12.604 INFO [stderr] 48 |     let mut words = words?;
Dec 12 03:42:12.604 INFO [stderr]    |         ----^^^^^
Dec 12 03:42:12.604 INFO [stderr]    |         |
Dec 12 03:42:12.604 INFO [stderr]    |         help: remove this `mut`
Dec 12 03:42:12.604 INFO [stderr]    |
Dec 12 03:42:12.604 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 03:42:12.604 INFO [stderr] 
Dec 12 03:42:15.096 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:15.096 INFO [stderr]   --> src/bin/day4.rs:63:21
Dec 12 03:42:15.097 INFO [stderr]    |
Dec 12 03:42:15.097 INFO [stderr] 63 |                 let mut map = sleep_times.entry(gaurd_id).or_insert_with(HashMap::new);
Dec 12 03:42:15.097 INFO [stderr]    |                     ----^^^
Dec 12 03:42:15.097 INFO [stderr]    |                     |
Dec 12 03:42:15.098 INFO [stderr]    |                     help: remove this `mut`
Dec 12 03:42:15.098 INFO [stderr]    |
Dec 12 03:42:15.098 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 03:42:15.098 INFO [stderr] 
Dec 12 03:42:15.109 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:15.109 INFO [stderr]    --> src/bin/day4.rs:105:17
Dec 12 03:42:15.109 INFO [stderr]     |
Dec 12 03:42:15.110 INFO [stderr] 105 |             let mut x = minutes.entry(i).or_insert((0, 0)); // (gaurd_id, number_of_times_asleep)
Dec 12 03:42:15.110 INFO [stderr]     |                 ----^
Dec 12 03:42:15.110 INFO [stderr]     |                 |
Dec 12 03:42:15.110 INFO [stderr]     |                 help: remove this `mut`
Dec 12 03:42:15.111 INFO [stderr] 
Dec 12 03:42:16.313 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:16.313 INFO [stderr]   --> src/bin/day4.rs:63:21
Dec 12 03:42:16.314 INFO [stderr]    |
Dec 12 03:42:16.314 INFO [stderr] 63 |                 let mut map = sleep_times.entry(gaurd_id).or_insert_with(HashMap::new);
Dec 12 03:42:16.314 INFO [stderr]    |                     ----^^^
Dec 12 03:42:16.314 INFO [stderr]    |                     |
Dec 12 03:42:16.315 INFO [stderr]    |                     help: remove this `mut`
Dec 12 03:42:16.315 INFO [stderr]    |
Dec 12 03:42:16.316 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 03:42:16.316 INFO [stderr] 
Dec 12 03:42:16.326 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:42:16.326 INFO [stderr]    --> src/bin/day4.rs:105:17
Dec 12 03:42:16.326 INFO [stderr]     |
Dec 12 03:42:16.326 INFO [stderr] 105 |             let mut x = minutes.entry(i).or_insert((0, 0)); // (gaurd_id, number_of_times_asleep)
Dec 12 03:42:16.327 INFO [stderr]     |                 ----^
Dec 12 03:42:16.327 INFO [stderr]     |                 |
Dec 12 03:42:16.327 INFO [stderr]     |                 help: remove this `mut`
Dec 12 03:42:16.327 INFO [stderr] 
Dec 12 03:42:16.392 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.38s
Dec 12 03:42:16.396 INFO [stderr] su: No module specific data is present
Dec 12 03:42:17.156 INFO running `"docker" "inspect" "97d38e6145fc1bb335e7a172cc9835b0a789c886ddf12c8aef1d9f287f96cb94"`
Dec 12 03:42:17.368 INFO running `"docker" "rm" "-f" "97d38e6145fc1bb335e7a172cc9835b0a789c886ddf12c8aef1d9f287f96cb94"`
Dec 12 03:42:17.640 INFO [stdout] 97d38e6145fc1bb335e7a172cc9835b0a789c886ddf12c8aef1d9f287f96cb94