Dec 13 01:51:55.426 INFO testing sts10/advent-of-code-2018 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 01:51:55.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 01:51:55.843 INFO [stdout] 3ac8a47cd2d2f4b0e4ffffb9dc6e0a9f2b7ec08f7b27e2490f1cb33c24e63037
Dec 13 01:51:55.849 INFO running `"docker" "start" "-a" "3ac8a47cd2d2f4b0e4ffffb9dc6e0a9f2b7ec08f7b27e2490f1cb33c24e63037"`
Dec 13 01:51:56.855 INFO [stderr] usermod: no changes
Dec 13 01:51:56.912 INFO [stderr]    Compiling advent-of-code-2018-reorganized v0.1.0 (/source)
Dec 13 01:51:57.699 INFO [stderr] warning: unused variable: `new_grid`
Dec 13 01:51:57.699 INFO [stderr]   --> src/bin/day06.rs:32:21
Dec 13 01:51:57.699 INFO [stderr]    |
Dec 13 01:51:57.699 INFO [stderr] 32 |                 let new_grid = spread(x, y, grid);
Dec 13 01:51:57.699 INFO [stderr]    |                     ^^^^^^^^ help: consider using `_new_grid` instead
Dec 13 01:51:57.699 INFO [stderr]    |
Dec 13 01:51:57.699 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 01:51:57.699 INFO [stderr] 
Dec 13 01:51:57.699 INFO [stderr] warning: value assigned to `square` is never read
Dec 13 01:51:57.699 INFO [stderr]   --> src/bin/day06.rs:51:20
Dec 13 01:51:57.699 INFO [stderr]    |
Dec 13 01:51:57.699 INFO [stderr] 51 |             "." => square = sign,
Dec 13 01:51:57.699 INFO [stderr]    |                    ^^^^^^
Dec 13 01:51:57.700 INFO [stderr]    |
Dec 13 01:51:57.700 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 13 01:51:57.700 INFO [stderr] 
Dec 13 01:51:57.795 INFO [stderr] error[E0384]: cannot assign twice to immutable variable `square`
Dec 13 01:51:57.795 INFO [stderr]   --> src/bin/day06.rs:51:20
Dec 13 01:51:57.795 INFO [stderr]    |
Dec 13 01:51:57.795 INFO [stderr] 49 |     for square in nine_squares {
Dec 13 01:51:57.795 INFO [stderr]    |         ------ first assignment to `square`
Dec 13 01:51:57.795 INFO [stderr] 50 |         match square {
Dec 13 01:51:57.795 INFO [stderr] 51 |             "." => square = sign,
Dec 13 01:51:57.795 INFO [stderr]    |                    ^^^^^^^^^^^^^ cannot assign twice to immutable variable
Dec 13 01:51:57.795 INFO [stderr] 
Dec 13 01:51:57.799 INFO [stderr] warning: unused variable: `guards`
Dec 13 01:51:57.799 INFO [stderr]   --> src/bin/day04_bad_attempt.rs:39:13
Dec 13 01:51:57.799 INFO [stderr]    |
Dec 13 01:51:57.799 INFO [stderr] 39 |     let mut guards: HashMap<usize, Guard> = HashMap::new();
Dec 13 01:51:57.799 INFO [stderr]    |             ^^^^^^ help: consider using `_guards` instead
Dec 13 01:51:57.799 INFO [stderr]    |
Dec 13 01:51:57.799 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 01:51:57.799 INFO [stderr] 
Dec 13 01:51:57.814 INFO [stderr] error: aborting due to previous error
Dec 13 01:51:57.814 INFO [stderr] 
Dec 13 01:51:57.814 INFO [stderr] For more information about this error, try `rustc --explain E0384`.
Dec 13 01:51:57.821 INFO [stderr] warning: variable does not need to be mutable
Dec 13 01:51:57.821 INFO [stderr]   --> src/bin/day04_bad_attempt.rs:39:9
Dec 13 01:51:57.821 INFO [stderr]    |
Dec 13 01:51:57.821 INFO [stderr] 39 |     let mut guards: HashMap<usize, Guard> = HashMap::new();
Dec 13 01:51:57.821 INFO [stderr]    |         ----^^^^^^
Dec 13 01:51:57.821 INFO [stderr]    |         |
Dec 13 01:51:57.821 INFO [stderr]    |         help: remove this `mut`
Dec 13 01:51:57.829 INFO [stderr]    |
Dec 13 01:51:57.830 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 01:51:57.830 INFO [stderr] 
Dec 13 01:51:57.895 INFO [stderr] error: Could not compile `advent-of-code-2018-reorganized`.
Dec 13 01:51:57.895 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 13 01:52:00.054 INFO [stderr] error: build failed
Dec 13 01:52:00.059 INFO [stderr] su: No module specific data is present
Dec 13 01:52:00.667 INFO running `"docker" "inspect" "3ac8a47cd2d2f4b0e4ffffb9dc6e0a9f2b7ec08f7b27e2490f1cb33c24e63037"`
Dec 13 01:52:00.879 INFO running `"docker" "rm" "-f" "3ac8a47cd2d2f4b0e4ffffb9dc6e0a9f2b7ec08f7b27e2490f1cb33c24e63037"`
Dec 13 01:52:01.227 INFO [stdout] 3ac8a47cd2d2f4b0e4ffffb9dc6e0a9f2b7ec08f7b27e2490f1cb33c24e63037