Dec 14 08:16:04.812 INFO testing Mancomb/four_in_a_row against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 08:16:04.812 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 08:16:05.082 INFO [stdout] 140ae0743f9f9c26b260109178f91ec1a59b9c491ace578a0e33536fb8fa4700
Dec 14 08:16:05.082 INFO running `"docker" "start" "-a" "140ae0743f9f9c26b260109178f91ec1a59b9c491ace578a0e33536fb8fa4700"`
Dec 14 08:16:05.499 INFO [stderr] usermod: no changes
Dec 14 08:16:05.554 INFO [stderr]    Compiling mcts v0.2.0
Dec 14 08:16:07.035 INFO [stderr]    Compiling four_in_a_row v0.1.0 (/source)
Dec 14 08:16:07.793 INFO [stderr] warning: unused import: `random::Random`
Dec 14 08:16:07.793 INFO [stderr]   --> src/main.rs:12:5
Dec 14 08:16:07.793 INFO [stderr]    |
Dec 14 08:16:07.793 INFO [stderr] 12 | use random::Random;
Dec 14 08:16:07.793 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 14 08:16:07.793 INFO [stderr]    |
Dec 14 08:16:07.793 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 14 08:16:07.793 INFO [stderr] 
Dec 14 08:16:07.971 INFO [stderr] warning: struct is never constructed: `Random`
Dec 14 08:16:07.971 INFO [stderr]  --> src/random.rs:8:1
Dec 14 08:16:07.971 INFO [stderr]   |
Dec 14 08:16:07.971 INFO [stderr] 8 | pub struct Random;
Dec 14 08:16:07.971 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 14 08:16:07.971 INFO [stderr]   |
Dec 14 08:16:07.971 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 08:16:07.971 INFO [stderr] 
Dec 14 08:16:07.971 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:07.971 INFO [stderr]   --> src/connect_four.rs:56:17
Dec 14 08:16:07.971 INFO [stderr]    |
Dec 14 08:16:07.971 INFO [stderr] 56 |                 write!(out, "|{}", c);
Dec 14 08:16:07.971 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:07.971 INFO [stderr]    |
Dec 14 08:16:07.971 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 08:16:07.971 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:07.971 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 08:16:07.971 INFO [stderr] 
Dec 14 08:16:07.971 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:07.971 INFO [stderr]   --> src/connect_four.rs:58:13
Dec 14 08:16:07.971 INFO [stderr]    |
Dec 14 08:16:07.971 INFO [stderr] 58 |             writeln!(out, "|");
Dec 14 08:16:07.971 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:07.971 INFO [stderr]    |
Dec 14 08:16:07.971 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:07.971 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 08:16:07.971 INFO [stderr] 
Dec 14 08:16:07.971 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:07.971 INFO [stderr]   --> src/connect_four.rs:60:9
Dec 14 08:16:07.971 INFO [stderr]    |
Dec 14 08:16:07.971 INFO [stderr] 60 |         writeln!(out, "---------------\n 0 1 2 3 4 5 6");
Dec 14 08:16:07.971 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:07.971 INFO [stderr]    |
Dec 14 08:16:07.971 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:07.971 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 08:16:07.971 INFO [stderr] 
Dec 14 08:16:09.078 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
Dec 14 08:16:09.082 INFO [stderr] su: No module specific data is present
Dec 14 08:16:09.433 INFO running `"docker" "inspect" "140ae0743f9f9c26b260109178f91ec1a59b9c491ace578a0e33536fb8fa4700"`
Dec 14 08:16:09.535 INFO running `"docker" "rm" "-f" "140ae0743f9f9c26b260109178f91ec1a59b9c491ace578a0e33536fb8fa4700"`
Dec 14 08:16:09.699 INFO [stdout] 140ae0743f9f9c26b260109178f91ec1a59b9c491ace578a0e33536fb8fa4700
Dec 14 08:16:09.701 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 08:16:10.098 INFO [stdout] e2c8c22bcf3b94584eba66a1f022c5470a9937a6d9c338cd86e22dd4b3296681
Dec 14 08:16:10.102 INFO running `"docker" "start" "-a" "e2c8c22bcf3b94584eba66a1f022c5470a9937a6d9c338cd86e22dd4b3296681"`
Dec 14 08:16:10.951 INFO [stderr] usermod: no changes
Dec 14 08:16:11.030 INFO [stderr]    Compiling four_in_a_row v0.1.0 (/source)
Dec 14 08:16:11.803 INFO [stderr] warning: unused import: `random::Random`
Dec 14 08:16:11.803 INFO [stderr]   --> src/main.rs:12:5
Dec 14 08:16:11.803 INFO [stderr]    |
Dec 14 08:16:11.803 INFO [stderr] 12 | use random::Random;
Dec 14 08:16:11.803 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 14 08:16:11.803 INFO [stderr]    |
Dec 14 08:16:11.803 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 14 08:16:11.803 INFO [stderr] 
Dec 14 08:16:11.942 INFO [stderr] warning: struct is never constructed: `Random`
Dec 14 08:16:11.942 INFO [stderr]  --> src/random.rs:8:1
Dec 14 08:16:11.942 INFO [stderr]   |
Dec 14 08:16:11.942 INFO [stderr] 8 | pub struct Random;
Dec 14 08:16:11.942 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 14 08:16:11.942 INFO [stderr]   |
Dec 14 08:16:11.942 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 08:16:11.942 INFO [stderr] 
Dec 14 08:16:11.944 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:11.945 INFO [stderr]   --> src/connect_four.rs:56:17
Dec 14 08:16:11.945 INFO [stderr]    |
Dec 14 08:16:11.945 INFO [stderr] 56 |                 write!(out, "|{}", c);
Dec 14 08:16:11.945 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:11.945 INFO [stderr]    |
Dec 14 08:16:11.945 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 08:16:11.945 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:11.945 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 08:16:11.945 INFO [stderr] 
Dec 14 08:16:11.945 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:11.945 INFO [stderr]   --> src/connect_four.rs:58:13
Dec 14 08:16:11.945 INFO [stderr]    |
Dec 14 08:16:11.945 INFO [stderr] 58 |             writeln!(out, "|");
Dec 14 08:16:11.945 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:11.945 INFO [stderr]    |
Dec 14 08:16:11.945 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:11.945 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 08:16:11.945 INFO [stderr] 
Dec 14 08:16:11.945 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:11.945 INFO [stderr]   --> src/connect_four.rs:60:9
Dec 14 08:16:11.945 INFO [stderr]    |
Dec 14 08:16:11.945 INFO [stderr] 60 |         writeln!(out, "---------------\n 0 1 2 3 4 5 6");
Dec 14 08:16:11.945 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:11.945 INFO [stderr]    |
Dec 14 08:16:11.945 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:11.945 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 08:16:11.945 INFO [stderr] 
Dec 14 08:16:12.290 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Dec 14 08:16:12.290 INFO [stderr] su: No module specific data is present
Dec 14 08:16:12.819 INFO running `"docker" "inspect" "e2c8c22bcf3b94584eba66a1f022c5470a9937a6d9c338cd86e22dd4b3296681"`
Dec 14 08:16:13.003 INFO running `"docker" "rm" "-f" "e2c8c22bcf3b94584eba66a1f022c5470a9937a6d9c338cd86e22dd4b3296681"`
Dec 14 08:16:13.311 INFO [stdout] e2c8c22bcf3b94584eba66a1f022c5470a9937a6d9c338cd86e22dd4b3296681
Dec 14 08:16:13.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 14 08:16:13.659 INFO [stdout] 0936cf6b2188578fc986f12606206f96575407abe55398e317e2ec73c6d964a8
Dec 14 08:16:13.659 INFO running `"docker" "start" "-a" "0936cf6b2188578fc986f12606206f96575407abe55398e317e2ec73c6d964a8"`
Dec 14 08:16:14.871 INFO [stderr] usermod: no changes
Dec 14 08:16:14.971 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 14 08:16:14.987 INFO [stderr]      Running /target/debug/deps/four_in_a_row-07231b9db52ae654
Dec 14 08:16:14.995 INFO [stdout] 
Dec 14 08:16:14.995 INFO [stdout] running 5 tests
Dec 14 08:16:15.003 INFO [stdout] test bitboard::test::place_stones ... ok
Dec 14 08:16:15.003 INFO [stdout] test bitboard::test::vertical ... ok
Dec 14 08:16:15.011 INFO [stdout] test bitboard::test::horizontal ... ok
Dec 14 08:16:15.011 INFO [stdout] test bitboard::test::diagonal2 ... ok
Dec 14 08:16:15.019 INFO [stdout] test bitboard::test::diagonal1 ... ok
Dec 14 08:16:15.019 INFO [stderr] su: No module specific data is present
Dec 14 08:16:15.019 INFO [stdout] 
Dec 14 08:16:15.019 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 08:16:15.019 INFO [stdout] 
Dec 14 08:16:15.729 INFO running `"docker" "inspect" "0936cf6b2188578fc986f12606206f96575407abe55398e317e2ec73c6d964a8"`
Dec 14 08:16:15.988 INFO running `"docker" "rm" "-f" "0936cf6b2188578fc986f12606206f96575407abe55398e317e2ec73c6d964a8"`
Dec 14 08:16:16.251 INFO [stdout] 0936cf6b2188578fc986f12606206f96575407abe55398e317e2ec73c6d964a8