Nov 28 12:49:07.601 INFO checking JudgeGlass/TicTacToe-rs against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 12:49:07.601 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 28 12:49:08.064 INFO [stdout] 1f3966a1754bf0305ae7c1b416548bbc6b7d29b1bc5d530ae885e3e59fe00cba
Nov 28 12:49:08.070 INFO running `"docker" "start" "-a" "1f3966a1754bf0305ae7c1b416548bbc6b7d29b1bc5d530ae885e3e59fe00cba"`
Nov 28 12:49:09.576 INFO [stderr] usermod: no changes
Nov 28 12:49:09.688 INFO [stderr]     Checking tic_tac_toe-rs v0.1.0 (/source)
Nov 28 12:49:10.917 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:49:10.917 INFO [stderr]   --> src/main.rs:32:13
Nov 28 12:49:10.917 INFO [stderr]    |
Nov 28 12:49:10.917 INFO [stderr] 32 |             io::stdout().flush();
Nov 28 12:49:10.918 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:49:10.918 INFO [stderr]    |
Nov 28 12:49:10.918 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 12:49:10.919 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:49:10.919 INFO [stderr] 
Nov 28 12:49:10.920 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:49:10.920 INFO [stderr]   --> src/main.rs:71:13
Nov 28 12:49:10.920 INFO [stderr]    |
Nov 28 12:49:10.921 INFO [stderr] 71 |             io::stdout().flush();
Nov 28 12:49:10.921 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:49:10.921 INFO [stderr]    |
Nov 28 12:49:10.922 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:49:10.922 INFO [stderr] 
Nov 28 12:49:10.980 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:49:10.981 INFO [stderr]   --> src/main.rs:32:13
Nov 28 12:49:10.981 INFO [stderr]    |
Nov 28 12:49:10.981 INFO [stderr] 32 |             io::stdout().flush();
Nov 28 12:49:10.981 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:49:10.982 INFO [stderr]    |
Nov 28 12:49:10.982 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 12:49:10.982 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:49:10.982 INFO [stderr] 
Nov 28 12:49:10.983 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:49:10.983 INFO [stderr]   --> src/main.rs:71:13
Nov 28 12:49:10.983 INFO [stderr]    |
Nov 28 12:49:10.984 INFO [stderr] 71 |             io::stdout().flush();
Nov 28 12:49:10.984 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:49:10.984 INFO [stderr]    |
Nov 28 12:49:10.985 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:49:10.985 INFO [stderr] 
Nov 28 12:49:11.048 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Nov 28 12:49:11.054 INFO [stderr] su: No module specific data is present
Nov 28 12:49:12.056 INFO running `"docker" "inspect" "1f3966a1754bf0305ae7c1b416548bbc6b7d29b1bc5d530ae885e3e59fe00cba"`
Nov 28 12:49:12.322 INFO running `"docker" "rm" "-f" "1f3966a1754bf0305ae7c1b416548bbc6b7d29b1bc5d530ae885e3e59fe00cba"`
Nov 28 12:49:12.696 INFO [stdout] 1f3966a1754bf0305ae7c1b416548bbc6b7d29b1bc5d530ae885e3e59fe00cba