[INFO] updating cached repository cookiecavekeeper/sudoku-solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cookiecavekeeper/sudoku-solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cookiecavekeeper/sudoku-solver" "work/ex/beta-1.37-6/sources/1.36.0/gh/cookiecavekeeper/sudoku-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cookiecavekeeper/sudoku-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cookiecavekeeper/sudoku-solver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cookiecavekeeper/sudoku-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cookiecavekeeper/sudoku-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4267d2015b8e5c8686c991ad7c1993e4d72f518
[INFO] sha for GitHub repo cookiecavekeeper/sudoku-solver: e4267d2015b8e5c8686c991ad7c1993e4d72f518
[INFO] validating manifest of cookiecavekeeper/sudoku-solver 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 cookiecavekeeper/sudoku-solver 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 cookiecavekeeper/sudoku-solver
[INFO] finished frobbing cookiecavekeeper/sudoku-solver
[INFO] frobbed toml for cookiecavekeeper/sudoku-solver written to work/ex/beta-1.37-6/sources/1.36.0/gh/cookiecavekeeper/sudoku-solver/Cargo.toml
[INFO] started frobbing cookiecavekeeper/sudoku-solver
[INFO] finished frobbing cookiecavekeeper/sudoku-solver
[INFO] frobbed toml for cookiecavekeeper/sudoku-solver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cookiecavekeeper/sudoku-solver/Cargo.toml
[INFO] crate cookiecavekeeper/sudoku-solver 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing cookiecavekeeper/sudoku-solver 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-0/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/cookiecavekeeper/sudoku-solver:/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] 824ba2277a9495d812afd8d9f3f9946e2938d3889bc063390114a42cdcf927ef
[INFO] running `"docker" "start" "-a" "824ba2277a9495d812afd8d9f3f9946e2938d3889bc063390114a42cdcf927ef"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "824ba2277a9495d812afd8d9f3f9946e2938d3889bc063390114a42cdcf927ef"`
[INFO] running `"docker" "rm" "-f" "824ba2277a9495d812afd8d9f3f9946e2938d3889bc063390114a42cdcf927ef"`
[INFO] [stdout] 824ba2277a9495d812afd8d9f3f9946e2938d3889bc063390114a42cdcf927ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/cookiecavekeeper/sudoku-solver:/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] 77b06ff17c1d38a2e635a3c845e1dd69eccc6c240b2bdfe41cad8504148738c0
[INFO] running `"docker" "start" "-a" "77b06ff17c1d38a2e635a3c845e1dd69eccc6c240b2bdfe41cad8504148738c0"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "77b06ff17c1d38a2e635a3c845e1dd69eccc6c240b2bdfe41cad8504148738c0"`
[INFO] running `"docker" "rm" "-f" "77b06ff17c1d38a2e635a3c845e1dd69eccc6c240b2bdfe41cad8504148738c0"`
[INFO] [stdout] 77b06ff17c1d38a2e635a3c845e1dd69eccc6c240b2bdfe41cad8504148738c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/cookiecavekeeper/sudoku-solver:/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] 464e491d6869b29f340ea6753b4ad0c11d7e2f7ee53cc3020e0ac72b029f62d6
[INFO] running `"docker" "start" "-a" "464e491d6869b29f340ea6753b4ad0c11d7e2f7ee53cc3020e0ac72b029f62d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver-1079b886019c1677
[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" "464e491d6869b29f340ea6753b4ad0c11d7e2f7ee53cc3020e0ac72b029f62d6"`
[INFO] running `"docker" "rm" "-f" "464e491d6869b29f340ea6753b4ad0c11d7e2f7ee53cc3020e0ac72b029f62d6"`
[INFO] [stdout] 464e491d6869b29f340ea6753b4ad0c11d7e2f7ee53cc3020e0ac72b029f62d6