[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-1.37-6/sources/1.36.0/gh/glugg23/tic_tac_ted"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/glugg23/tic_tac_ted'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/glugg23/tic_tac_ted" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/glugg23/tic_tac_ted"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of glugg23/tic_tac_ted on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing glugg23/tic_tac_ted against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] cae95129069f220dd60278ab3fb92b42d7ef8fd59dd8fda9803c056b1841683f
[INFO] running `"docker" "start" "-a" "cae95129069f220dd60278ab3fb92b42d7ef8fd59dd8fda9803c056b1841683f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 3.51s
[INFO] running `"docker" "inspect" "cae95129069f220dd60278ab3fb92b42d7ef8fd59dd8fda9803c056b1841683f"`
[INFO] running `"docker" "rm" "-f" "cae95129069f220dd60278ab3fb92b42d7ef8fd59dd8fda9803c056b1841683f"`
[INFO] [stdout] cae95129069f220dd60278ab3fb92b42d7ef8fd59dd8fda9803c056b1841683f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d6194a95286ac84df62f34a7cfc587995f2d38d5f00db48a45ccd35012921ef3
[INFO] running `"docker" "start" "-a" "d6194a95286ac84df62f34a7cfc587995f2d38d5f00db48a45ccd35012921ef3"`
[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 2.79s
[INFO] running `"docker" "inspect" "d6194a95286ac84df62f34a7cfc587995f2d38d5f00db48a45ccd35012921ef3"`
[INFO] running `"docker" "rm" "-f" "d6194a95286ac84df62f34a7cfc587995f2d38d5f00db48a45ccd35012921ef3"`
[INFO] [stdout] d6194a95286ac84df62f34a7cfc587995f2d38d5f00db48a45ccd35012921ef3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a0e4f79f23131f4af59b008ba79cb6d5ffb48b0c1813bfd129ab91369f98f136
[INFO] running `"docker" "start" "-a" "a0e4f79f23131f4af59b008ba79cb6d5ffb48b0c1813bfd129ab91369f98f136"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tic_tac_ted-32d586fa40f3bef1
[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_none ... 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_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tic_tac_ted-e2c02ac220415311
[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] [stderr]    Doc-tests tic_tac_ted
[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" "a0e4f79f23131f4af59b008ba79cb6d5ffb48b0c1813bfd129ab91369f98f136"`
[INFO] running `"docker" "rm" "-f" "a0e4f79f23131f4af59b008ba79cb6d5ffb48b0c1813bfd129ab91369f98f136"`
[INFO] [stdout] a0e4f79f23131f4af59b008ba79cb6d5ffb48b0c1813bfd129ab91369f98f136