[INFO] updating cached repository fchiba/rust_sudoku_solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fchiba/rust_sudoku_solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fchiba/rust_sudoku_solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/fchiba/rust_sudoku_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fchiba/rust_sudoku_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fchiba/rust_sudoku_solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fchiba/rust_sudoku_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fchiba/rust_sudoku_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c12dd18ecca2c74c359b7d95bb634feb0d84c50
[INFO] sha for GitHub repo fchiba/rust_sudoku_solver: 4c12dd18ecca2c74c359b7d95bb634feb0d84c50
[INFO] validating manifest of fchiba/rust_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 fchiba/rust_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 fchiba/rust_sudoku_solver
[INFO] finished frobbing fchiba/rust_sudoku_solver
[INFO] frobbed toml for fchiba/rust_sudoku_solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/fchiba/rust_sudoku_solver/Cargo.toml
[INFO] started frobbing fchiba/rust_sudoku_solver
[INFO] finished frobbing fchiba/rust_sudoku_solver
[INFO] frobbed toml for fchiba/rust_sudoku_solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fchiba/rust_sudoku_solver/Cargo.toml
[INFO] crate fchiba/rust_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 fchiba/rust_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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fchiba/rust_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] 00601adee2dfdb07905afe7a844d4421c8279663f64a0dfdd76dc273657f8de0
[INFO] running `"docker" "start" "-a" "00601adee2dfdb07905afe7a844d4421c8279663f64a0dfdd76dc273657f8de0"`
[INFO] [stderr]    Compiling sudokurust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "00601adee2dfdb07905afe7a844d4421c8279663f64a0dfdd76dc273657f8de0"`
[INFO] running `"docker" "rm" "-f" "00601adee2dfdb07905afe7a844d4421c8279663f64a0dfdd76dc273657f8de0"`
[INFO] [stdout] 00601adee2dfdb07905afe7a844d4421c8279663f64a0dfdd76dc273657f8de0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fchiba/rust_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] 09454e9ccb2a30aa5bc85960d16b1846c829bff7d50f71e29bbdd0c9bf237325
[INFO] running `"docker" "start" "-a" "09454e9ccb2a30aa5bc85960d16b1846c829bff7d50f71e29bbdd0c9bf237325"`
[INFO] [stderr]    Compiling sudokurust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "09454e9ccb2a30aa5bc85960d16b1846c829bff7d50f71e29bbdd0c9bf237325"`
[INFO] running `"docker" "rm" "-f" "09454e9ccb2a30aa5bc85960d16b1846c829bff7d50f71e29bbdd0c9bf237325"`
[INFO] [stdout] 09454e9ccb2a30aa5bc85960d16b1846c829bff7d50f71e29bbdd0c9bf237325
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fchiba/rust_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] cc7f2a6e9421bab8aecc693ba6334fa754977ce6e652295ef47e41dd2b870c9f
[INFO] running `"docker" "start" "-a" "cc7f2a6e9421bab8aecc693ba6334fa754977ce6e652295ef47e41dd2b870c9f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudokurust-66356dd6862b0c81
[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" "cc7f2a6e9421bab8aecc693ba6334fa754977ce6e652295ef47e41dd2b870c9f"`
[INFO] running `"docker" "rm" "-f" "cc7f2a6e9421bab8aecc693ba6334fa754977ce6e652295ef47e41dd2b870c9f"`
[INFO] [stdout] cc7f2a6e9421bab8aecc693ba6334fa754977ce6e652295ef47e41dd2b870c9f