[INFO] updating cached repository matthew-piziak/tictactoe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matthew-piziak/tictactoe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matthew-piziak/tictactoe" "work/ex/beta-1.38-1/sources/1.37.0/gh/matthew-piziak/tictactoe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/matthew-piziak/tictactoe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matthew-piziak/tictactoe" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matthew-piziak/tictactoe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matthew-piziak/tictactoe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4fedf8238fa72d851fd61970aa162deaee1f9d50
[INFO] sha for GitHub repo matthew-piziak/tictactoe: 4fedf8238fa72d851fd61970aa162deaee1f9d50
[INFO] validating manifest of matthew-piziak/tictactoe 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 matthew-piziak/tictactoe 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 matthew-piziak/tictactoe
[INFO] finished frobbing matthew-piziak/tictactoe
[INFO] frobbed toml for matthew-piziak/tictactoe written to work/ex/beta-1.38-1/sources/1.37.0/gh/matthew-piziak/tictactoe/Cargo.toml
[INFO] started frobbing matthew-piziak/tictactoe
[INFO] finished frobbing matthew-piziak/tictactoe
[INFO] frobbed toml for matthew-piziak/tictactoe written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matthew-piziak/tictactoe/Cargo.toml
[INFO] crate matthew-piziak/tictactoe 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 matthew-piziak/tictactoe against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/matthew-piziak/tictactoe:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c4d8e537f7dfa304b97b0c8b9021b698ec121bbc19672aaffb15d811481a2081
[INFO] running `"docker" "start" "-a" "c4d8e537f7dfa304b97b0c8b9021b698ec121bbc19672aaffb15d811481a2081"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling httparse v1.2.0
[INFO] [stderr]    Compiling serde v0.8.18
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling hyper v0.9.12
[INFO] [stderr]    Compiling serde_json v0.8.3
[INFO] [stderr]    Compiling iron v0.4.0
[INFO] [stderr]    Compiling persistent v0.2.1
[INFO] [stderr]    Compiling router v0.4.0 (https://github.com/iron/router.git#6c124ddb)
[INFO] [stderr]    Compiling bodyparser v0.4.1
[INFO] [stderr]    Compiling urlencoded v0.4.1
[INFO] [stderr]    Compiling tictactoe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.97s
[INFO] running `"docker" "inspect" "c4d8e537f7dfa304b97b0c8b9021b698ec121bbc19672aaffb15d811481a2081"`
[INFO] running `"docker" "rm" "-f" "c4d8e537f7dfa304b97b0c8b9021b698ec121bbc19672aaffb15d811481a2081"`
[INFO] [stdout] c4d8e537f7dfa304b97b0c8b9021b698ec121bbc19672aaffb15d811481a2081
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/matthew-piziak/tictactoe:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fe1944db6bb3fc7b07946e21f9dacac43e1bd2ab83eb494aef6b29f2173b2917
[INFO] running `"docker" "start" "-a" "fe1944db6bb3fc7b07946e21f9dacac43e1bd2ab83eb494aef6b29f2173b2917"`
[INFO] [stderr]    Compiling tictactoe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `"docker" "inspect" "fe1944db6bb3fc7b07946e21f9dacac43e1bd2ab83eb494aef6b29f2173b2917"`
[INFO] running `"docker" "rm" "-f" "fe1944db6bb3fc7b07946e21f9dacac43e1bd2ab83eb494aef6b29f2173b2917"`
[INFO] [stdout] fe1944db6bb3fc7b07946e21f9dacac43e1bd2ab83eb494aef6b29f2173b2917
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/matthew-piziak/tictactoe:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7d749c685ed0cf20d89c1613b11dc56100e0f6e170ff9aab7a2f282e8e9ab4fe
[INFO] running `"docker" "start" "-a" "7d749c685ed0cf20d89c1613b11dc56100e0f6e170ff9aab7a2f282e8e9ab4fe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tictactoe-a079ba26eb52ae14
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test board::parse_empty_board ... ok
[INFO] [stdout] test board::o_wins_example ... ok
[INFO] [stdout] test board::parse_example ... ok
[INFO] [stdout] test board::optimal_first_move ... ok
[INFO] [stdout] test board::perfect_game ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7d749c685ed0cf20d89c1613b11dc56100e0f6e170ff9aab7a2f282e8e9ab4fe"`
[INFO] running `"docker" "rm" "-f" "7d749c685ed0cf20d89c1613b11dc56100e0f6e170ff9aab7a2f282e8e9ab4fe"`
[INFO] [stdout] 7d749c685ed0cf20d89c1613b11dc56100e0f6e170ff9aab7a2f282e8e9ab4fe