[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-1.38-1/sources/1.37.0/gh/scottnm/rusty-sudoku-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/scottnm/rusty-sudoku-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottnm/rusty-sudoku-solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scottnm/rusty-sudoku-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scottnm/rusty-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 scottnm/rusty-sudoku-solver
[INFO] finished frobbing scottnm/rusty-sudoku-solver
[INFO] frobbed toml for scottnm/rusty-sudoku-solver written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 scottnm/rusty-sudoku-solver 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-4/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b3f8176424bf0a9b1932f617fee4ecf3de36a2220de38207a1282fb7f182775c
[INFO] running `"docker" "start" "-a" "b3f8176424bf0a9b1932f617fee4ecf3de36a2220de38207a1282fb7f182775c"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "b3f8176424bf0a9b1932f617fee4ecf3de36a2220de38207a1282fb7f182775c"`
[INFO] running `"docker" "rm" "-f" "b3f8176424bf0a9b1932f617fee4ecf3de36a2220de38207a1282fb7f182775c"`
[INFO] [stdout] b3f8176424bf0a9b1932f617fee4ecf3de36a2220de38207a1282fb7f182775c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f15c81ac9ea16cf04de73c3ca32e5025582fc1dc1028da717f5db35904b239b9
[INFO] running `"docker" "start" "-a" "f15c81ac9ea16cf04de73c3ca32e5025582fc1dc1028da717f5db35904b239b9"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "f15c81ac9ea16cf04de73c3ca32e5025582fc1dc1028da717f5db35904b239b9"`
[INFO] running `"docker" "rm" "-f" "f15c81ac9ea16cf04de73c3ca32e5025582fc1dc1028da717f5db35904b239b9"`
[INFO] [stdout] f15c81ac9ea16cf04de73c3ca32e5025582fc1dc1028da717f5db35904b239b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d92c6f77f89efb48cd5415b5bf5f4e6d0218496b3d23e3b8285f3864d4c16a5e
[INFO] running `"docker" "start" "-a" "d92c6f77f89efb48cd5415b5bf5f4e6d0218496b3d23e3b8285f3864d4c16a5e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver-8d214f3c51911aaf
[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" "d92c6f77f89efb48cd5415b5bf5f4e6d0218496b3d23e3b8285f3864d4c16a5e"`
[INFO] running `"docker" "rm" "-f" "d92c6f77f89efb48cd5415b5bf5f4e6d0218496b3d23e3b8285f3864d4c16a5e"`
[INFO] [stdout] d92c6f77f89efb48cd5415b5bf5f4e6d0218496b3d23e3b8285f3864d4c16a5e