Dec 14 08:16:05.060 INFO testing Mancomb/four_in_a_row against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 08:16:05.060 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 08:16:05.276 INFO [stdout] 96884445407fb57f7fe182145cfb3e3b295c683758ee51b025c7e1a1d559b780
Dec 14 08:16:05.280 INFO running `"docker" "start" "-a" "96884445407fb57f7fe182145cfb3e3b295c683758ee51b025c7e1a1d559b780"`
Dec 14 08:16:05.836 INFO [stderr] usermod: no changes
Dec 14 08:16:05.893 INFO [stderr]    Compiling mcts v0.2.0
Dec 14 08:16:07.587 INFO [stderr]    Compiling four_in_a_row v0.1.0 (/source)
Dec 14 08:16:08.403 INFO [stderr] warning: unused import: `random::Random`
Dec 14 08:16:08.403 INFO [stderr]   --> src/main.rs:12:5
Dec 14 08:16:08.403 INFO [stderr]    |
Dec 14 08:16:08.403 INFO [stderr] 12 | use random::Random;
Dec 14 08:16:08.403 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 14 08:16:08.403 INFO [stderr]    |
Dec 14 08:16:08.403 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 14 08:16:08.403 INFO [stderr] 
Dec 14 08:16:08.523 INFO [stderr] warning: struct is never constructed: `Random`
Dec 14 08:16:08.523 INFO [stderr]  --> src/random.rs:8:1
Dec 14 08:16:08.523 INFO [stderr]   |
Dec 14 08:16:08.523 INFO [stderr] 8 | pub struct Random;
Dec 14 08:16:08.523 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 14 08:16:08.523 INFO [stderr]   |
Dec 14 08:16:08.523 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 08:16:08.523 INFO [stderr] 
Dec 14 08:16:08.523 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:08.523 INFO [stderr]   --> src/connect_four.rs:56:17
Dec 14 08:16:08.523 INFO [stderr]    |
Dec 14 08:16:08.523 INFO [stderr] 56 |                 write!(out, "|{}", c);
Dec 14 08:16:08.523 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:08.523 INFO [stderr]    |
Dec 14 08:16:08.523 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 08:16:08.523 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:08.523 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 08:16:08.523 INFO [stderr] 
Dec 14 08:16:08.523 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:08.523 INFO [stderr]   --> src/connect_four.rs:58:13
Dec 14 08:16:08.523 INFO [stderr]    |
Dec 14 08:16:08.523 INFO [stderr] 58 |             writeln!(out, "|");
Dec 14 08:16:08.523 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:08.523 INFO [stderr]    |
Dec 14 08:16:08.523 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:08.523 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 08:16:08.523 INFO [stderr] 
Dec 14 08:16:08.523 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:08.523 INFO [stderr]   --> src/connect_four.rs:60:9
Dec 14 08:16:08.523 INFO [stderr]    |
Dec 14 08:16:08.523 INFO [stderr] 60 |         writeln!(out, "---------------\n 0 1 2 3 4 5 6");
Dec 14 08:16:08.523 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:08.523 INFO [stderr]    |
Dec 14 08:16:08.523 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:08.523 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 08:16:08.523 INFO [stderr] 
Dec 14 08:16:09.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
Dec 14 08:16:09.455 INFO [stderr] su: No module specific data is present
Dec 14 08:16:09.746 INFO running `"docker" "inspect" "96884445407fb57f7fe182145cfb3e3b295c683758ee51b025c7e1a1d559b780"`
Dec 14 08:16:10.007 INFO running `"docker" "rm" "-f" "96884445407fb57f7fe182145cfb3e3b295c683758ee51b025c7e1a1d559b780"`
Dec 14 08:16:10.166 INFO [stdout] 96884445407fb57f7fe182145cfb3e3b295c683758ee51b025c7e1a1d559b780
Dec 14 08:16:10.170 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 08:16:10.541 INFO [stdout] e03747f20f69b44dc4f4bc2cea6da934df94ba5462a80ee715b61879b3c793ea
Dec 14 08:16:10.543 INFO running `"docker" "start" "-a" "e03747f20f69b44dc4f4bc2cea6da934df94ba5462a80ee715b61879b3c793ea"`
Dec 14 08:16:11.467 INFO [stderr] usermod: no changes
Dec 14 08:16:11.564 INFO [stderr]    Compiling four_in_a_row v0.1.0 (/source)
Dec 14 08:16:12.367 INFO [stderr] warning: unused import: `random::Random`
Dec 14 08:16:12.367 INFO [stderr]   --> src/main.rs:12:5
Dec 14 08:16:12.367 INFO [stderr]    |
Dec 14 08:16:12.367 INFO [stderr] 12 | use random::Random;
Dec 14 08:16:12.367 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 14 08:16:12.367 INFO [stderr]    |
Dec 14 08:16:12.367 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 14 08:16:12.367 INFO [stderr] 
Dec 14 08:16:12.519 INFO [stderr] warning: struct is never constructed: `Random`
Dec 14 08:16:12.519 INFO [stderr]  --> src/random.rs:8:1
Dec 14 08:16:12.519 INFO [stderr]   |
Dec 14 08:16:12.519 INFO [stderr] 8 | pub struct Random;
Dec 14 08:16:12.519 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 14 08:16:12.519 INFO [stderr]   |
Dec 14 08:16:12.519 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 08:16:12.519 INFO [stderr] 
Dec 14 08:16:12.523 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:12.523 INFO [stderr]   --> src/connect_four.rs:56:17
Dec 14 08:16:12.523 INFO [stderr]    |
Dec 14 08:16:12.523 INFO [stderr] 56 |                 write!(out, "|{}", c);
Dec 14 08:16:12.523 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:12.523 INFO [stderr]    |
Dec 14 08:16:12.523 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 08:16:12.523 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:12.523 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 08:16:12.523 INFO [stderr] 
Dec 14 08:16:12.523 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:12.523 INFO [stderr]   --> src/connect_four.rs:58:13
Dec 14 08:16:12.523 INFO [stderr]    |
Dec 14 08:16:12.523 INFO [stderr] 58 |             writeln!(out, "|");
Dec 14 08:16:12.523 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:12.523 INFO [stderr]    |
Dec 14 08:16:12.523 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:12.523 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 08:16:12.523 INFO [stderr] 
Dec 14 08:16:12.523 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 08:16:12.523 INFO [stderr]   --> src/connect_four.rs:60:9
Dec 14 08:16:12.523 INFO [stderr]    |
Dec 14 08:16:12.523 INFO [stderr] 60 |         writeln!(out, "---------------\n 0 1 2 3 4 5 6");
Dec 14 08:16:12.523 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 08:16:12.523 INFO [stderr]    |
Dec 14 08:16:12.523 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 08:16:12.523 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 08:16:12.523 INFO [stderr] 
Dec 14 08:16:12.872 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Dec 14 08:16:12.876 INFO [stderr] su: No module specific data is present
Dec 14 08:16:13.701 INFO running `"docker" "inspect" "e03747f20f69b44dc4f4bc2cea6da934df94ba5462a80ee715b61879b3c793ea"`
Dec 14 08:16:13.933 INFO running `"docker" "rm" "-f" "e03747f20f69b44dc4f4bc2cea6da934df94ba5462a80ee715b61879b3c793ea"`
Dec 14 08:16:14.235 INFO [stdout] e03747f20f69b44dc4f4bc2cea6da934df94ba5462a80ee715b61879b3c793ea
Dec 14 08:16:14.235 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 08:16:14.799 INFO [stdout] 2b828946d76a0a090498e4409b71def1537833a7693fbbd928a1f96fd3831245
Dec 14 08:16:14.799 INFO running `"docker" "start" "-a" "2b828946d76a0a090498e4409b71def1537833a7693fbbd928a1f96fd3831245"`
Dec 14 08:16:16.047 INFO [stderr] usermod: no changes
Dec 14 08:16:16.203 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Dec 14 08:16:16.220 INFO [stderr]      Running /target/debug/deps/four_in_a_row-e094df7d7081ede6
Dec 14 08:16:16.247 INFO [stdout] 
Dec 14 08:16:16.247 INFO [stdout] running 5 tests
Dec 14 08:16:16.247 INFO [stdout] test bitboard::test::diagonal1 ... ok
Dec 14 08:16:16.247 INFO [stdout] test bitboard::test::horizontal ... ok
Dec 14 08:16:16.247 INFO [stdout] test bitboard::test::diagonal2 ... ok
Dec 14 08:16:16.247 INFO [stdout] test bitboard::test::place_stones ... ok
Dec 14 08:16:16.247 INFO [stdout] test bitboard::test::vertical ... ok
Dec 14 08:16:16.247 INFO [stdout] 
Dec 14 08:16:16.247 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 08:16:16.247 INFO [stdout] 
Dec 14 08:16:16.251 INFO [stderr] su: No module specific data is present
Dec 14 08:16:16.799 INFO running `"docker" "inspect" "2b828946d76a0a090498e4409b71def1537833a7693fbbd928a1f96fd3831245"`
Dec 14 08:16:17.072 INFO running `"docker" "rm" "-f" "2b828946d76a0a090498e4409b71def1537833a7693fbbd928a1f96fd3831245"`
Dec 14 08:16:17.325 INFO [stdout] 2b828946d76a0a090498e4409b71def1537833a7693fbbd928a1f96fd3831245