[INFO] updating cached repository sebastianpfluegelmeier/sudoku_checker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sebastianpfluegelmeier/sudoku_checker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sebastianpfluegelmeier/sudoku_checker" "work/ex/beta-1.38-1/sources/1.37.0/gh/sebastianpfluegelmeier/sudoku_checker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sebastianpfluegelmeier/sudoku_checker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sebastianpfluegelmeier/sudoku_checker" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sebastianpfluegelmeier/sudoku_checker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sebastianpfluegelmeier/sudoku_checker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ba5e26c8539bab8587e2a362a6012bdbd4b0326
[INFO] sha for GitHub repo sebastianpfluegelmeier/sudoku_checker: 4ba5e26c8539bab8587e2a362a6012bdbd4b0326
[INFO] validating manifest of sebastianpfluegelmeier/sudoku_checker 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 sebastianpfluegelmeier/sudoku_checker 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 sebastianpfluegelmeier/sudoku_checker
[INFO] finished frobbing sebastianpfluegelmeier/sudoku_checker
[INFO] frobbed toml for sebastianpfluegelmeier/sudoku_checker written to work/ex/beta-1.38-1/sources/1.37.0/gh/sebastianpfluegelmeier/sudoku_checker/Cargo.toml
[INFO] started frobbing sebastianpfluegelmeier/sudoku_checker
[INFO] finished frobbing sebastianpfluegelmeier/sudoku_checker
[INFO] frobbed toml for sebastianpfluegelmeier/sudoku_checker written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sebastianpfluegelmeier/sudoku_checker/Cargo.toml
[INFO] crate sebastianpfluegelmeier/sudoku_checker 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 sebastianpfluegelmeier/sudoku_checker 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-3/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/sebastianpfluegelmeier/sudoku_checker:/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] 534372aa955d46594c1765803a4d55c13f498be1898cd8439daff196be016c76
[INFO] running `"docker" "start" "-a" "534372aa955d46594c1765803a4d55c13f498be1898cd8439daff196be016c76"`
[INFO] [stderr]    Compiling rpds v0.4.0
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `"docker" "inspect" "534372aa955d46594c1765803a4d55c13f498be1898cd8439daff196be016c76"`
[INFO] running `"docker" "rm" "-f" "534372aa955d46594c1765803a4d55c13f498be1898cd8439daff196be016c76"`
[INFO] [stdout] 534372aa955d46594c1765803a4d55c13f498be1898cd8439daff196be016c76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/sebastianpfluegelmeier/sudoku_checker:/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] 587fcbdd1c6a60fd2efa1a9e29684499808156f60a10ff50a526fca76ff91356
[INFO] running `"docker" "start" "-a" "587fcbdd1c6a60fd2efa1a9e29684499808156f60a10ff50a526fca76ff91356"`
[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" "587fcbdd1c6a60fd2efa1a9e29684499808156f60a10ff50a526fca76ff91356"`
[INFO] running `"docker" "rm" "-f" "587fcbdd1c6a60fd2efa1a9e29684499808156f60a10ff50a526fca76ff91356"`
[INFO] [stdout] 587fcbdd1c6a60fd2efa1a9e29684499808156f60a10ff50a526fca76ff91356
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/sebastianpfluegelmeier/sudoku_checker:/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] 3b39dd2f892e5599a2c36f74e9f6ab1630c6d902174290a61439f96caa6c4b4e
[INFO] running `"docker" "start" "-a" "3b39dd2f892e5599a2c36f74e9f6ab1630c6d902174290a61439f96caa6c4b4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver-d2a512e4860c3b59
[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" "3b39dd2f892e5599a2c36f74e9f6ab1630c6d902174290a61439f96caa6c4b4e"`
[INFO] running `"docker" "rm" "-f" "3b39dd2f892e5599a2c36f74e9f6ab1630c6d902174290a61439f96caa6c4b4e"`
[INFO] [stdout] 3b39dd2f892e5599a2c36f74e9f6ab1630c6d902174290a61439f96caa6c4b4e