[INFO] updating cached repository DenSASoftware/sudokusolver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DenSASoftware/sudokusolver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DenSASoftware/sudokusolver" "work/ex/beta-1.38-1/sources/1.37.0/gh/DenSASoftware/sudokusolver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/DenSASoftware/sudokusolver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DenSASoftware/sudokusolver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DenSASoftware/sudokusolver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DenSASoftware/sudokusolver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07cbd6a5f22bb5a48262e9540306d1f86c00386a
[INFO] sha for GitHub repo DenSASoftware/sudokusolver: 07cbd6a5f22bb5a48262e9540306d1f86c00386a
[INFO] validating manifest of DenSASoftware/sudokusolver 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 DenSASoftware/sudokusolver 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 DenSASoftware/sudokusolver
[INFO] finished frobbing DenSASoftware/sudokusolver
[INFO] frobbed toml for DenSASoftware/sudokusolver written to work/ex/beta-1.38-1/sources/1.37.0/gh/DenSASoftware/sudokusolver/Cargo.toml
[INFO] started frobbing DenSASoftware/sudokusolver
[INFO] finished frobbing DenSASoftware/sudokusolver
[INFO] frobbed toml for DenSASoftware/sudokusolver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DenSASoftware/sudokusolver/Cargo.toml
[INFO] crate DenSASoftware/sudokusolver 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 DenSASoftware/sudokusolver 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/DenSASoftware/sudokusolver:/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] a88a6c6a01a32c7144df7f94cd64bcc6ecbcfca5f6b04590636f25e3df9d30ec
[INFO] running `"docker" "start" "-a" "a88a6c6a01a32c7144df7f94cd64bcc6ecbcfca5f6b04590636f25e3df9d30ec"`
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling sudokusolver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `"docker" "inspect" "a88a6c6a01a32c7144df7f94cd64bcc6ecbcfca5f6b04590636f25e3df9d30ec"`
[INFO] running `"docker" "rm" "-f" "a88a6c6a01a32c7144df7f94cd64bcc6ecbcfca5f6b04590636f25e3df9d30ec"`
[INFO] [stdout] a88a6c6a01a32c7144df7f94cd64bcc6ecbcfca5f6b04590636f25e3df9d30ec
[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/DenSASoftware/sudokusolver:/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] c99d0d1ef4d1b786302636da5dc180bd0261b308f8db495b14240995ea1bc226
[INFO] running `"docker" "start" "-a" "c99d0d1ef4d1b786302636da5dc180bd0261b308f8db495b14240995ea1bc226"`
[INFO] [stderr]    Compiling sudokusolver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "c99d0d1ef4d1b786302636da5dc180bd0261b308f8db495b14240995ea1bc226"`
[INFO] running `"docker" "rm" "-f" "c99d0d1ef4d1b786302636da5dc180bd0261b308f8db495b14240995ea1bc226"`
[INFO] [stdout] c99d0d1ef4d1b786302636da5dc180bd0261b308f8db495b14240995ea1bc226
[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/DenSASoftware/sudokusolver:/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] b1e95df215dea2f107c2e6a0b405093feb89f7151ae49bde67dc729ed1467fa2
[INFO] running `"docker" "start" "-a" "b1e95df215dea2f107c2e6a0b405093feb89f7151ae49bde67dc729ed1467fa2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudokusolver-a0dcc611e68f5a25
[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" "b1e95df215dea2f107c2e6a0b405093feb89f7151ae49bde67dc729ed1467fa2"`
[INFO] running `"docker" "rm" "-f" "b1e95df215dea2f107c2e6a0b405093feb89f7151ae49bde67dc729ed1467fa2"`
[INFO] [stdout] b1e95df215dea2f107c2e6a0b405093feb89f7151ae49bde67dc729ed1467fa2