Dec 17 13:06:42.859 INFO checking tsobako/tictactoe against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:06:42.859 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/tsobako/tictactoe:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:06:43.376 INFO [stdout] fedf8bda5bda7425f9c124e08df7800a75ada989b3bea87e48de67d0fec60e7c
Dec 17 13:06:43.378 INFO running `"docker" "start" "-a" "fedf8bda5bda7425f9c124e08df7800a75ada989b3bea87e48de67d0fec60e7c"`
Dec 17 13:06:44.700 INFO [stderr]     Checking tictactoe v0.1.1 (/opt/crater/workdir)
Dec 17 13:06:44.848 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:06:44.848 INFO [stderr]   --> src/main.rs:24:9
Dec 17 13:06:44.848 INFO [stderr]    |
Dec 17 13:06:44.848 INFO [stderr] 24 |     let mut field: Vec<u8> = vec![0,0,0,0,0,0,0,0,0];
Dec 17 13:06:44.848 INFO [stderr]    |         ----^^^^^
Dec 17 13:06:44.848 INFO [stderr]    |         |
Dec 17 13:06:44.848 INFO [stderr]    |         help: remove this `mut`
Dec 17 13:06:44.848 INFO [stderr]    |
Dec 17 13:06:44.848 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:06:44.848 INFO [stderr] 
Dec 17 13:06:44.932 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:06:44.932 INFO [stderr]   --> src/main.rs:24:9
Dec 17 13:06:44.932 INFO [stderr]    |
Dec 17 13:06:44.932 INFO [stderr] 24 |     let mut field: Vec<u8> = vec![0,0,0,0,0,0,0,0,0];
Dec 17 13:06:44.932 INFO [stderr]    |         ----^^^^^
Dec 17 13:06:44.932 INFO [stderr]    |         |
Dec 17 13:06:44.932 INFO [stderr]    |         help: remove this `mut`
Dec 17 13:06:44.932 INFO [stderr]    |
Dec 17 13:06:44.932 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:06:44.932 INFO [stderr] 
Dec 17 13:06:44.948 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Dec 17 13:06:45.238 INFO running `"docker" "inspect" "fedf8bda5bda7425f9c124e08df7800a75ada989b3bea87e48de67d0fec60e7c"`
Dec 17 13:06:45.338 INFO running `"docker" "rm" "-f" "fedf8bda5bda7425f9c124e08df7800a75ada989b3bea87e48de67d0fec60e7c"`
Dec 17 13:06:45.482 INFO [stdout] fedf8bda5bda7425f9c124e08df7800a75ada989b3bea87e48de67d0fec60e7c