Nov 27 18:12:23.863 INFO checking tsobako/tictactoe against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 18:12:23.864 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 18:12:24.332 INFO [stdout] 89d95315f31c08bfedd652d03867d3b6ede06ae0deb45b2da6825b5bf5e1373d
Nov 27 18:12:24.342 INFO running `"docker" "start" "-a" "89d95315f31c08bfedd652d03867d3b6ede06ae0deb45b2da6825b5bf5e1373d"`
Nov 27 18:12:25.623 INFO [stderr] usermod: no changes
Nov 27 18:12:25.676 INFO [stderr]     Checking tictactoe v0.1.1 (/source)
Nov 27 18:12:25.915 INFO [stderr] warning: variable does not need to be mutable
Nov 27 18:12:25.915 INFO [stderr]   --> src/main.rs:24:9
Nov 27 18:12:25.915 INFO [stderr]    |
Nov 27 18:12:25.915 INFO [stderr] 24 |     let mut field: Vec<u8> = vec![0,0,0,0,0,0,0,0,0];
Nov 27 18:12:25.915 INFO [stderr]    |         ----^^^^^
Nov 27 18:12:25.915 INFO [stderr]    |         |
Nov 27 18:12:25.915 INFO [stderr]    |         help: remove this `mut`
Nov 27 18:12:25.915 INFO [stderr]    |
Nov 27 18:12:25.915 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 18:12:25.915 INFO [stderr] 
Nov 27 18:12:25.933 INFO [stderr] warning: variable does not need to be mutable
Nov 27 18:12:25.933 INFO [stderr]   --> src/main.rs:24:9
Nov 27 18:12:25.934 INFO [stderr]    |
Nov 27 18:12:25.934 INFO [stderr] 24 |     let mut field: Vec<u8> = vec![0,0,0,0,0,0,0,0,0];
Nov 27 18:12:25.934 INFO [stderr]    |         ----^^^^^
Nov 27 18:12:25.934 INFO [stderr]    |         |
Nov 27 18:12:25.934 INFO [stderr]    |         help: remove this `mut`
Nov 27 18:12:25.934 INFO [stderr]    |
Nov 27 18:12:25.934 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 18:12:25.934 INFO [stderr] 
Nov 27 18:12:26.005 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Nov 27 18:12:26.007 INFO [stderr] su: No module specific data is present
Nov 27 18:12:27.275 INFO running `"docker" "inspect" "89d95315f31c08bfedd652d03867d3b6ede06ae0deb45b2da6825b5bf5e1373d"`
Nov 27 18:12:27.650 INFO running `"docker" "rm" "-f" "89d95315f31c08bfedd652d03867d3b6ede06ae0deb45b2da6825b5bf5e1373d"`
Nov 27 18:12:27.940 INFO [stdout] 89d95315f31c08bfedd652d03867d3b6ede06ae0deb45b2da6825b5bf5e1373d