Dec 11 07:17:30.674 INFO checking tsobako/tictactoe against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:17:30.674 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 11 07:17:31.096 INFO [stdout] 917a4db0b11ffcf4a65bf80c48a397ccaf92331bb8d90eaa4fdf4e544bcf9666
Dec 11 07:17:31.096 INFO running `"docker" "start" "-a" "917a4db0b11ffcf4a65bf80c48a397ccaf92331bb8d90eaa4fdf4e544bcf9666"`
Dec 11 07:17:32.480 INFO [stderr] usermod: no changes
Dec 11 07:17:32.550 INFO [stderr]     Checking tictactoe v0.1.1 (/source)
Dec 11 07:17:32.832 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:17:32.832 INFO [stderr]   --> src/main.rs:24:9
Dec 11 07:17:32.832 INFO [stderr]    |
Dec 11 07:17:32.832 INFO [stderr] 24 |     let mut field: Vec<u8> = vec![0,0,0,0,0,0,0,0,0];
Dec 11 07:17:32.832 INFO [stderr]    |         ----^^^^^
Dec 11 07:17:32.832 INFO [stderr]    |         |
Dec 11 07:17:32.832 INFO [stderr]    |         help: remove this `mut`
Dec 11 07:17:32.832 INFO [stderr]    |
Dec 11 07:17:32.832 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 07:17:32.832 INFO [stderr] 
Dec 11 07:17:32.924 INFO [stderr] warning: variable does not need to be mutable
Dec 11 07:17:32.924 INFO [stderr]   --> src/main.rs:24:9
Dec 11 07:17:32.924 INFO [stderr]    |
Dec 11 07:17:32.924 INFO [stderr] 24 |     let mut field: Vec<u8> = vec![0,0,0,0,0,0,0,0,0];
Dec 11 07:17:32.924 INFO [stderr]    |         ----^^^^^
Dec 11 07:17:32.924 INFO [stderr]    |         |
Dec 11 07:17:32.924 INFO [stderr]    |         help: remove this `mut`
Dec 11 07:17:32.924 INFO [stderr]    |
Dec 11 07:17:32.924 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 07:17:32.924 INFO [stderr] 
Dec 11 07:17:32.953 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 11 07:17:32.953 INFO [stderr] su: No module specific data is present
Dec 11 07:17:33.544 INFO running `"docker" "inspect" "917a4db0b11ffcf4a65bf80c48a397ccaf92331bb8d90eaa4fdf4e544bcf9666"`
Dec 11 07:17:33.848 INFO running `"docker" "rm" "-f" "917a4db0b11ffcf4a65bf80c48a397ccaf92331bb8d90eaa4fdf4e544bcf9666"`
Dec 11 07:17:34.236 INFO [stdout] 917a4db0b11ffcf4a65bf80c48a397ccaf92331bb8d90eaa4fdf4e544bcf9666