[INFO] updating cached repository scottnm/rusty-sudoku-solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scottnm/rusty-sudoku-solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scottnm/rusty-sudoku-solver" "work/ex/beta-1.37-6/sources/1.36.0/gh/scottnm/rusty-sudoku-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/scottnm/rusty-sudoku-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottnm/rusty-sudoku-solver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottnm/rusty-sudoku-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottnm/rusty-sudoku-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8de8e20f20db2302f7c9de6c68d6e25f06e007f
[INFO] sha for GitHub repo scottnm/rusty-sudoku-solver: d8de8e20f20db2302f7c9de6c68d6e25f06e007f
[INFO] validating manifest of scottnm/rusty-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 scottnm/rusty-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 scottnm/rusty-sudoku-solver
[INFO] finished frobbing scottnm/rusty-sudoku-solver
[INFO] frobbed toml for scottnm/rusty-sudoku-solver written to work/ex/beta-1.37-6/sources/1.36.0/gh/scottnm/rusty-sudoku-solver/Cargo.toml
[INFO] started frobbing scottnm/rusty-sudoku-solver
[INFO] finished frobbing scottnm/rusty-sudoku-solver
[INFO] frobbed toml for scottnm/rusty-sudoku-solver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottnm/rusty-sudoku-solver/Cargo.toml
[INFO] crate scottnm/rusty-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] testing scottnm/rusty-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-6/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/scottnm/rusty-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] f74ea426ffadd746a2c8a1ff6b8082b2d92a166ac553ce2714deabad7c1f04e1
[INFO] running `"docker" "start" "-a" "f74ea426ffadd746a2c8a1ff6b8082b2d92a166ac553ce2714deabad7c1f04e1"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "f74ea426ffadd746a2c8a1ff6b8082b2d92a166ac553ce2714deabad7c1f04e1"`
[INFO] running `"docker" "rm" "-f" "f74ea426ffadd746a2c8a1ff6b8082b2d92a166ac553ce2714deabad7c1f04e1"`
[INFO] [stdout] f74ea426ffadd746a2c8a1ff6b8082b2d92a166ac553ce2714deabad7c1f04e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/scottnm/rusty-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] 31ff553d72b50b8bb260effe6f4c88e8c18f712719483425049e084ac4a950c2
[INFO] running `"docker" "start" "-a" "31ff553d72b50b8bb260effe6f4c88e8c18f712719483425049e084ac4a950c2"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "31ff553d72b50b8bb260effe6f4c88e8c18f712719483425049e084ac4a950c2"`
[INFO] running `"docker" "rm" "-f" "31ff553d72b50b8bb260effe6f4c88e8c18f712719483425049e084ac4a950c2"`
[INFO] [stdout] 31ff553d72b50b8bb260effe6f4c88e8c18f712719483425049e084ac4a950c2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/scottnm/rusty-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] a9579698f2d59170df47d9cdc576ec9c780fae66fa2f1fcbeef3eeda5ece2ed9
[INFO] running `"docker" "start" "-a" "a9579698f2d59170df47d9cdc576ec9c780fae66fa2f1fcbeef3eeda5ece2ed9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[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" "a9579698f2d59170df47d9cdc576ec9c780fae66fa2f1fcbeef3eeda5ece2ed9"`
[INFO] running `"docker" "rm" "-f" "a9579698f2d59170df47d9cdc576ec9c780fae66fa2f1fcbeef3eeda5ece2ed9"`
[INFO] [stdout] a9579698f2d59170df47d9cdc576ec9c780fae66fa2f1fcbeef3eeda5ece2ed9