Dec 05 01:46:19.892 INFO checking JudgeGlass/TicTacToe-rs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 01:46:19.892 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 01:46:20.399 INFO [stdout] c1150e9bf9d3189edcbaed7022db626e16df97eb5452a691b9ec6aabf2fc4422
Dec 05 01:46:20.401 INFO running `"docker" "start" "-a" "c1150e9bf9d3189edcbaed7022db626e16df97eb5452a691b9ec6aabf2fc4422"`
Dec 05 01:46:22.310 INFO [stderr] usermod: no changes
Dec 05 01:46:22.387 INFO [stderr]     Checking tic_tac_toe-rs v0.1.0 (/source)
Dec 05 01:46:23.187 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:46:23.187 INFO [stderr]   --> src/main.rs:32:13
Dec 05 01:46:23.187 INFO [stderr]    |
Dec 05 01:46:23.187 INFO [stderr] 32 |             io::stdout().flush();
Dec 05 01:46:23.187 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:46:23.187 INFO [stderr]    |
Dec 05 01:46:23.187 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:46:23.187 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:46:23.187 INFO [stderr] 
Dec 05 01:46:23.187 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:46:23.187 INFO [stderr]   --> src/main.rs:71:13
Dec 05 01:46:23.187 INFO [stderr]    |
Dec 05 01:46:23.187 INFO [stderr] 71 |             io::stdout().flush();
Dec 05 01:46:23.187 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:46:23.187 INFO [stderr]    |
Dec 05 01:46:23.187 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:46:23.187 INFO [stderr] 
Dec 05 01:46:23.366 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:46:23.366 INFO [stderr]   --> src/main.rs:32:13
Dec 05 01:46:23.366 INFO [stderr]    |
Dec 05 01:46:23.366 INFO [stderr] 32 |             io::stdout().flush();
Dec 05 01:46:23.366 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:46:23.366 INFO [stderr]    |
Dec 05 01:46:23.366 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:46:23.366 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:46:23.366 INFO [stderr] 
Dec 05 01:46:23.366 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:46:23.366 INFO [stderr]   --> src/main.rs:71:13
Dec 05 01:46:23.366 INFO [stderr]    |
Dec 05 01:46:23.366 INFO [stderr] 71 |             io::stdout().flush();
Dec 05 01:46:23.366 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:46:23.366 INFO [stderr]    |
Dec 05 01:46:23.366 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:46:23.366 INFO [stderr] 
Dec 05 01:46:23.403 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 05 01:46:23.407 INFO [stderr] su: No module specific data is present
Dec 05 01:46:24.639 INFO running `"docker" "inspect" "c1150e9bf9d3189edcbaed7022db626e16df97eb5452a691b9ec6aabf2fc4422"`
Dec 05 01:46:24.957 INFO running `"docker" "rm" "-f" "c1150e9bf9d3189edcbaed7022db626e16df97eb5452a691b9ec6aabf2fc4422"`
Dec 05 01:46:25.286 INFO [stdout] c1150e9bf9d3189edcbaed7022db626e16df97eb5452a691b9ec6aabf2fc4422