[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 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 83076e787d609c1455e481a0ac53cac597e8086b59df60e94067b39154e7be76
[INFO] running `"docker" "start" "-a" "83076e787d609c1455e481a0ac53cac597e8086b59df60e94067b39154e7be76"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "83076e787d609c1455e481a0ac53cac597e8086b59df60e94067b39154e7be76"`
[INFO] running `"docker" "rm" "-f" "83076e787d609c1455e481a0ac53cac597e8086b59df60e94067b39154e7be76"`
[INFO] [stdout] 83076e787d609c1455e481a0ac53cac597e8086b59df60e94067b39154e7be76
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2999dd7a2458d1685f2ad1a59156fa4b55055cd524e3ad5328f2081b1265f866
[INFO] running `"docker" "start" "-a" "2999dd7a2458d1685f2ad1a59156fa4b55055cd524e3ad5328f2081b1265f866"`
[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" "2999dd7a2458d1685f2ad1a59156fa4b55055cd524e3ad5328f2081b1265f866"`
[INFO] running `"docker" "rm" "-f" "2999dd7a2458d1685f2ad1a59156fa4b55055cd524e3ad5328f2081b1265f866"`
[INFO] [stdout] 2999dd7a2458d1685f2ad1a59156fa4b55055cd524e3ad5328f2081b1265f866
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] dc93c53d9bff0975b7e621c495d0a6d29237fd6007ab3400c3713f374d176fd1
[INFO] running `"docker" "start" "-a" "dc93c53d9bff0975b7e621c495d0a6d29237fd6007ab3400c3713f374d176fd1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver-e8102d7ec1932da2
[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" "dc93c53d9bff0975b7e621c495d0a6d29237fd6007ab3400c3713f374d176fd1"`
[INFO] running `"docker" "rm" "-f" "dc93c53d9bff0975b7e621c495d0a6d29237fd6007ab3400c3713f374d176fd1"`
[INFO] [stdout] dc93c53d9bff0975b7e621c495d0a6d29237fd6007ab3400c3713f374d176fd1