[INFO] updating cached repository coopersimon/RustSudokuSolver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/coopersimon/RustSudokuSolver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/coopersimon/RustSudokuSolver" "work/ex/beta-1.37-6/sources/1.36.0/gh/coopersimon/RustSudokuSolver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/coopersimon/RustSudokuSolver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coopersimon/RustSudokuSolver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/coopersimon/RustSudokuSolver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/coopersimon/RustSudokuSolver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 625478f44e697554545f1298cc703089843a1cb1
[INFO] sha for GitHub repo coopersimon/RustSudokuSolver: 625478f44e697554545f1298cc703089843a1cb1
[INFO] validating manifest of coopersimon/RustSudokuSolver 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 coopersimon/RustSudokuSolver 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 coopersimon/RustSudokuSolver
[INFO] finished frobbing coopersimon/RustSudokuSolver
[INFO] frobbed toml for coopersimon/RustSudokuSolver written to work/ex/beta-1.37-6/sources/1.36.0/gh/coopersimon/RustSudokuSolver/Cargo.toml
[INFO] started frobbing coopersimon/RustSudokuSolver
[INFO] finished frobbing coopersimon/RustSudokuSolver
[INFO] frobbed toml for coopersimon/RustSudokuSolver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/coopersimon/RustSudokuSolver/Cargo.toml
[INFO] crate coopersimon/RustSudokuSolver 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 coopersimon/RustSudokuSolver 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-2/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/coopersimon/RustSudokuSolver:/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] 01c27dfb00f89c93a6c5cb75f262e0f7099bbaa977d400877e7c8c07de5f8e86
[INFO] running `"docker" "start" "-a" "01c27dfb00f89c93a6c5cb75f262e0f7099bbaa977d400877e7c8c07de5f8e86"`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "01c27dfb00f89c93a6c5cb75f262e0f7099bbaa977d400877e7c8c07de5f8e86"`
[INFO] running `"docker" "rm" "-f" "01c27dfb00f89c93a6c5cb75f262e0f7099bbaa977d400877e7c8c07de5f8e86"`
[INFO] [stdout] 01c27dfb00f89c93a6c5cb75f262e0f7099bbaa977d400877e7c8c07de5f8e86
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/coopersimon/RustSudokuSolver:/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] 22d20aa9bdc4e44b2895b87624bff714719a50ae60526e5507036c772be4ee43
[INFO] running `"docker" "start" "-a" "22d20aa9bdc4e44b2895b87624bff714719a50ae60526e5507036c772be4ee43"`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "22d20aa9bdc4e44b2895b87624bff714719a50ae60526e5507036c772be4ee43"`
[INFO] running `"docker" "rm" "-f" "22d20aa9bdc4e44b2895b87624bff714719a50ae60526e5507036c772be4ee43"`
[INFO] [stdout] 22d20aa9bdc4e44b2895b87624bff714719a50ae60526e5507036c772be4ee43
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/coopersimon/RustSudokuSolver:/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] a0bcc3af6d97a20c26b6ab66b0fa25bbabb57db866367d77149492c566979478
[INFO] running `"docker" "start" "-a" "a0bcc3af6d97a20c26b6ab66b0fa25bbabb57db866367d77149492c566979478"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver-e16110fc64912d7e
[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" "a0bcc3af6d97a20c26b6ab66b0fa25bbabb57db866367d77149492c566979478"`
[INFO] running `"docker" "rm" "-f" "a0bcc3af6d97a20c26b6ab66b0fa25bbabb57db866367d77149492c566979478"`
[INFO] [stdout] a0bcc3af6d97a20c26b6ab66b0fa25bbabb57db866367d77149492c566979478