[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-1.38-1/sources/1.37.0/gh/coopersimon/RustSudokuSolver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/coopersimon/RustSudokuSolver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coopersimon/RustSudokuSolver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coopersimon/RustSudokuSolver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coopersimon/RustSudokuSolver 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 coopersimon/RustSudokuSolver
[INFO] finished frobbing coopersimon/RustSudokuSolver
[INFO] frobbed toml for coopersimon/RustSudokuSolver written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 coopersimon/RustSudokuSolver 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-6/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ef0f3f7d5100fdc05d57a7b253d0641724df62ef5f06a287836cf4f7bd5d3b04
[INFO] running `"docker" "start" "-a" "ef0f3f7d5100fdc05d57a7b253d0641724df62ef5f06a287836cf4f7bd5d3b04"`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "ef0f3f7d5100fdc05d57a7b253d0641724df62ef5f06a287836cf4f7bd5d3b04"`
[INFO] running `"docker" "rm" "-f" "ef0f3f7d5100fdc05d57a7b253d0641724df62ef5f06a287836cf4f7bd5d3b04"`
[INFO] [stdout] ef0f3f7d5100fdc05d57a7b253d0641724df62ef5f06a287836cf4f7bd5d3b04
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] eed96044856e13e2257957d0a73e16f9c38c42419dd1a4fdd1f85fe46ffe6c13
[INFO] running `"docker" "start" "-a" "eed96044856e13e2257957d0a73e16f9c38c42419dd1a4fdd1f85fe46ffe6c13"`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "eed96044856e13e2257957d0a73e16f9c38c42419dd1a4fdd1f85fe46ffe6c13"`
[INFO] running `"docker" "rm" "-f" "eed96044856e13e2257957d0a73e16f9c38c42419dd1a4fdd1f85fe46ffe6c13"`
[INFO] [stdout] eed96044856e13e2257957d0a73e16f9c38c42419dd1a4fdd1f85fe46ffe6c13
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9e187b7560d21b68f366803197fd926b405acc0f5dea169e98461ac1e842ef31
[INFO] running `"docker" "start" "-a" "9e187b7560d21b68f366803197fd926b405acc0f5dea169e98461ac1e842ef31"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver-b5b8c5120f00994d
[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" "9e187b7560d21b68f366803197fd926b405acc0f5dea169e98461ac1e842ef31"`
[INFO] running `"docker" "rm" "-f" "9e187b7560d21b68f366803197fd926b405acc0f5dea169e98461ac1e842ef31"`
[INFO] [stdout] 9e187b7560d21b68f366803197fd926b405acc0f5dea169e98461ac1e842ef31