[INFO] updating cached repository glugg23/tic_tac_ted
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/glugg23/tic_tac_ted
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/glugg23/tic_tac_ted" "work/ex/beta-1.38-1/sources/1.37.0/gh/glugg23/tic_tac_ted"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/glugg23/tic_tac_ted'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/glugg23/tic_tac_ted" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glugg23/tic_tac_ted"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glugg23/tic_tac_ted'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3cf875b5fd771ed0d3d55bd268619f7b5272b336
[INFO] sha for GitHub repo glugg23/tic_tac_ted: 3cf875b5fd771ed0d3d55bd268619f7b5272b336
[INFO] validating manifest of glugg23/tic_tac_ted on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of glugg23/tic_tac_ted on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing glugg23/tic_tac_ted
[INFO] finished frobbing glugg23/tic_tac_ted
[INFO] frobbed toml for glugg23/tic_tac_ted written to work/ex/beta-1.38-1/sources/1.37.0/gh/glugg23/tic_tac_ted/Cargo.toml
[INFO] started frobbing glugg23/tic_tac_ted
[INFO] finished frobbing glugg23/tic_tac_ted
[INFO] frobbed toml for glugg23/tic_tac_ted written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glugg23/tic_tac_ted/Cargo.toml
[INFO] crate glugg23/tic_tac_ted already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing glugg23/tic_tac_ted against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glugg23/tic_tac_ted:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5b23ffee0061f5001ed89f204580a32bd63ace23f1ba8ce634e1d23c06df8161
[INFO] running `"docker" "start" "-a" "5b23ffee0061f5001ed89f204580a32bd63ace23f1ba8ce634e1d23c06df8161"`
[INFO] [stderr]    Compiling tic_tac_ted v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]  --> src/game.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut board = Board::new(board_size as usize);
[INFO] [stderr]   |             ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/game.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut board = Board::new(board_size as usize);
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `"docker" "inspect" "5b23ffee0061f5001ed89f204580a32bd63ace23f1ba8ce634e1d23c06df8161"`
[INFO] running `"docker" "rm" "-f" "5b23ffee0061f5001ed89f204580a32bd63ace23f1ba8ce634e1d23c06df8161"`
[INFO] [stdout] 5b23ffee0061f5001ed89f204580a32bd63ace23f1ba8ce634e1d23c06df8161
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glugg23/tic_tac_ted:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a01e3156b9d6bd3917df2cf80a85c8aba92ab55a64985aca6c0dc3388ced691d
[INFO] running `"docker" "start" "-a" "a01e3156b9d6bd3917df2cf80a85c8aba92ab55a64985aca6c0dc3388ced691d"`
[INFO] [stderr]    Compiling tic_tac_ted v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]  --> src/game.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut board = Board::new(board_size as usize);
[INFO] [stderr]   |             ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/game.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut board = Board::new(board_size as usize);
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "a01e3156b9d6bd3917df2cf80a85c8aba92ab55a64985aca6c0dc3388ced691d"`
[INFO] running `"docker" "rm" "-f" "a01e3156b9d6bd3917df2cf80a85c8aba92ab55a64985aca6c0dc3388ced691d"`
[INFO] [stdout] a01e3156b9d6bd3917df2cf80a85c8aba92ab55a64985aca6c0dc3388ced691d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glugg23/tic_tac_ted:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 703d61fdd287ee26553b9435ebd7a70f715677aa8ba1f2dcf3df7537cd53a76a
[INFO] running `"docker" "start" "-a" "703d61fdd287ee26553b9435ebd7a70f715677aa8ba1f2dcf3df7537cd53a76a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tic_tac_ted-649a1ba04adcd23f
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test board::tests::cell_value ... ok
[INFO] [stdout] test board::tests::board_new ... ok
[INFO] [stdout] test util::tests::remove_whitespace_test_empty ... ok
[INFO] [stdout] test util::tests::remove_whitespace_test ... ok
[INFO] [stdout] test util::tests::remove_whitespace_test_none ... ok
[INFO] [stdout] test util::tests::remove_whitespace_test_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tic_tac_ted-81f02f0543cffb45
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests tic_tac_ted
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "703d61fdd287ee26553b9435ebd7a70f715677aa8ba1f2dcf3df7537cd53a76a"`
[INFO] running `"docker" "rm" "-f" "703d61fdd287ee26553b9435ebd7a70f715677aa8ba1f2dcf3df7537cd53a76a"`
[INFO] [stdout] 703d61fdd287ee26553b9435ebd7a70f715677aa8ba1f2dcf3df7537cd53a76a