[INFO] updating cached repository jcdyer/sudoku
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jcdyer/sudoku
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jcdyer/sudoku" "work/ex/beta-1.38-1/sources/1.37.0/gh/jcdyer/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jcdyer/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jcdyer/sudoku" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jcdyer/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jcdyer/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be30f1cb5543c8bebb74738c07e27e66872862dd
[INFO] sha for GitHub repo jcdyer/sudoku: be30f1cb5543c8bebb74738c07e27e66872862dd
[INFO] validating manifest of jcdyer/sudoku 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 jcdyer/sudoku 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 jcdyer/sudoku
[INFO] finished frobbing jcdyer/sudoku
[INFO] frobbed toml for jcdyer/sudoku written to work/ex/beta-1.38-1/sources/1.37.0/gh/jcdyer/sudoku/Cargo.toml
[INFO] started frobbing jcdyer/sudoku
[INFO] finished frobbing jcdyer/sudoku
[INFO] frobbed toml for jcdyer/sudoku written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jcdyer/sudoku/Cargo.toml
[INFO] crate jcdyer/sudoku 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 jcdyer/sudoku 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-5/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/jcdyer/sudoku:/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] 5baad84c545c5861a99903b89d9d342e35809f44f0cfec0389b39abc56675804
[INFO] running `"docker" "start" "-a" "5baad84c545c5861a99903b89d9d342e35809f44f0cfec0389b39abc56675804"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "5baad84c545c5861a99903b89d9d342e35809f44f0cfec0389b39abc56675804"`
[INFO] running `"docker" "rm" "-f" "5baad84c545c5861a99903b89d9d342e35809f44f0cfec0389b39abc56675804"`
[INFO] [stdout] 5baad84c545c5861a99903b89d9d342e35809f44f0cfec0389b39abc56675804
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/jcdyer/sudoku:/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] 2233430f3ecfceaac702a681e4a758e92d738a1447797e9e1e4aac20d82eea0b
[INFO] running `"docker" "start" "-a" "2233430f3ecfceaac702a681e4a758e92d738a1447797e9e1e4aac20d82eea0b"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "2233430f3ecfceaac702a681e4a758e92d738a1447797e9e1e4aac20d82eea0b"`
[INFO] running `"docker" "rm" "-f" "2233430f3ecfceaac702a681e4a758e92d738a1447797e9e1e4aac20d82eea0b"`
[INFO] [stdout] 2233430f3ecfceaac702a681e4a758e92d738a1447797e9e1e4aac20d82eea0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/jcdyer/sudoku:/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] 360455eb91f0bfa3ed0255e366e20fb629aeb3b6658a5731367681571b9ed98c
[INFO] running `"docker" "start" "-a" "360455eb91f0bfa3ed0255e366e20fb629aeb3b6658a5731367681571b9ed98c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku-7e53c9af5f494d61
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_next_with_constrained_block ... ok
[INFO] [stdout] test tests::test_next ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "360455eb91f0bfa3ed0255e366e20fb629aeb3b6658a5731367681571b9ed98c"`
[INFO] running `"docker" "rm" "-f" "360455eb91f0bfa3ed0255e366e20fb629aeb3b6658a5731367681571b9ed98c"`
[INFO] [stdout] 360455eb91f0bfa3ed0255e366e20fb629aeb3b6658a5731367681571b9ed98c