[INFO] updating cached repository MinusKelvin/sudoku-solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MinusKelvin/sudoku-solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MinusKelvin/sudoku-solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/MinusKelvin/sudoku-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MinusKelvin/sudoku-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MinusKelvin/sudoku-solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MinusKelvin/sudoku-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MinusKelvin/sudoku-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f3074f4eae3ea967579ee5a9bc27db67754aef3
[INFO] sha for GitHub repo MinusKelvin/sudoku-solver: 3f3074f4eae3ea967579ee5a9bc27db67754aef3
[INFO] validating manifest of MinusKelvin/sudoku-solver 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 MinusKelvin/sudoku-solver 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 MinusKelvin/sudoku-solver
[INFO] finished frobbing MinusKelvin/sudoku-solver
[INFO] frobbed toml for MinusKelvin/sudoku-solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/MinusKelvin/sudoku-solver/Cargo.toml
[INFO] started frobbing MinusKelvin/sudoku-solver
[INFO] finished frobbing MinusKelvin/sudoku-solver
[INFO] frobbed toml for MinusKelvin/sudoku-solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MinusKelvin/sudoku-solver/Cargo.toml
[INFO] crate MinusKelvin/sudoku-solver 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 MinusKelvin/sudoku-solver 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MinusKelvin/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f3e4edb8591b5df8fcc031cb828c85cedbefdaae130f279dacc1135d5cce7a0e
[INFO] running `"docker" "start" "-a" "f3e4edb8591b5df8fcc031cb828c85cedbefdaae130f279dacc1135d5cce7a0e"`
[INFO] [stderr]    Compiling enumset_derive v0.3.0
[INFO] [stderr]    Compiling enumset v0.3.17
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "f3e4edb8591b5df8fcc031cb828c85cedbefdaae130f279dacc1135d5cce7a0e"`
[INFO] running `"docker" "rm" "-f" "f3e4edb8591b5df8fcc031cb828c85cedbefdaae130f279dacc1135d5cce7a0e"`
[INFO] [stdout] f3e4edb8591b5df8fcc031cb828c85cedbefdaae130f279dacc1135d5cce7a0e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MinusKelvin/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 58c442a140e1fba88c1abc71fef638cb4b64c0e280deeb020ee83b0896dcd5f2
[INFO] running `"docker" "start" "-a" "58c442a140e1fba88c1abc71fef638cb4b64c0e280deeb020ee83b0896dcd5f2"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "58c442a140e1fba88c1abc71fef638cb4b64c0e280deeb020ee83b0896dcd5f2"`
[INFO] running `"docker" "rm" "-f" "58c442a140e1fba88c1abc71fef638cb4b64c0e280deeb020ee83b0896dcd5f2"`
[INFO] [stdout] 58c442a140e1fba88c1abc71fef638cb4b64c0e280deeb020ee83b0896dcd5f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MinusKelvin/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a5af3ac9b4ba1b4eebd40d5080d49758ff47b142ad74c4f28a12cc73439d4ae9
[INFO] running `"docker" "start" "-a" "a5af3ac9b4ba1b4eebd40d5080d49758ff47b142ad74c4f28a12cc73439d4ae9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku-43c2d85a66896085
[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" "a5af3ac9b4ba1b4eebd40d5080d49758ff47b142ad74c4f28a12cc73439d4ae9"`
[INFO] running `"docker" "rm" "-f" "a5af3ac9b4ba1b4eebd40d5080d49758ff47b142ad74c4f28a12cc73439d4ae9"`
[INFO] [stdout] a5af3ac9b4ba1b4eebd40d5080d49758ff47b142ad74c4f28a12cc73439d4ae9