[INFO] updating cached repository 35359595/n-Queens-Completion-Puzzle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/35359595/n-Queens-Completion-Puzzle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/35359595/n-Queens-Completion-Puzzle" "work/ex/beta-1.38-1/sources/1.37.0/gh/35359595/n-Queens-Completion-Puzzle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/35359595/n-Queens-Completion-Puzzle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/35359595/n-Queens-Completion-Puzzle" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/35359595/n-Queens-Completion-Puzzle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/35359595/n-Queens-Completion-Puzzle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f0a3948ea940ad63455e6bd8be7119e8e0d33c12
[INFO] sha for GitHub repo 35359595/n-Queens-Completion-Puzzle: f0a3948ea940ad63455e6bd8be7119e8e0d33c12
[INFO] validating manifest of 35359595/n-Queens-Completion-Puzzle 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 35359595/n-Queens-Completion-Puzzle 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 35359595/n-Queens-Completion-Puzzle
[INFO] finished frobbing 35359595/n-Queens-Completion-Puzzle
[INFO] frobbed toml for 35359595/n-Queens-Completion-Puzzle written to work/ex/beta-1.38-1/sources/1.37.0/gh/35359595/n-Queens-Completion-Puzzle/Cargo.toml
[INFO] started frobbing 35359595/n-Queens-Completion-Puzzle
[INFO] finished frobbing 35359595/n-Queens-Completion-Puzzle
[INFO] frobbed toml for 35359595/n-Queens-Completion-Puzzle written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/35359595/n-Queens-Completion-Puzzle/Cargo.toml
[INFO] crate 35359595/n-Queens-Completion-Puzzle 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 35359595/n-Queens-Completion-Puzzle 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-1/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/35359595/n-Queens-Completion-Puzzle:/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] f7cc6776c936be4f2687fa46ad22ee26138435958ceb0a3ad0e0e593bfb966a7
[INFO] running `"docker" "start" "-a" "f7cc6776c936be4f2687fa46ad22ee26138435958ceb0a3ad0e0e593bfb966a7"`
[INFO] [stderr]    Compiling queen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "f7cc6776c936be4f2687fa46ad22ee26138435958ceb0a3ad0e0e593bfb966a7"`
[INFO] running `"docker" "rm" "-f" "f7cc6776c936be4f2687fa46ad22ee26138435958ceb0a3ad0e0e593bfb966a7"`
[INFO] [stdout] f7cc6776c936be4f2687fa46ad22ee26138435958ceb0a3ad0e0e593bfb966a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/35359595/n-Queens-Completion-Puzzle:/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] 7de2ad715548ac2cf783a671b63dc692948b24aa6f285ce7a59d7f305c7029c6
[INFO] running `"docker" "start" "-a" "7de2ad715548ac2cf783a671b63dc692948b24aa6f285ce7a59d7f305c7029c6"`
[INFO] [stderr]    Compiling queen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "7de2ad715548ac2cf783a671b63dc692948b24aa6f285ce7a59d7f305c7029c6"`
[INFO] running `"docker" "rm" "-f" "7de2ad715548ac2cf783a671b63dc692948b24aa6f285ce7a59d7f305c7029c6"`
[INFO] [stdout] 7de2ad715548ac2cf783a671b63dc692948b24aa6f285ce7a59d7f305c7029c6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/35359595/n-Queens-Completion-Puzzle:/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] 87da2f51279ea7f00b78adf1603532353989fe730c3559398665c8ea08f86652
[INFO] running `"docker" "start" "-a" "87da2f51279ea7f00b78adf1603532353989fe730c3559398665c8ea08f86652"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[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] [stderr]      Running /opt/crater/target/debug/deps/queen-40c85cd7f6f3bc65
[INFO] running `"docker" "inspect" "87da2f51279ea7f00b78adf1603532353989fe730c3559398665c8ea08f86652"`
[INFO] running `"docker" "rm" "-f" "87da2f51279ea7f00b78adf1603532353989fe730c3559398665c8ea08f86652"`
[INFO] [stdout] 87da2f51279ea7f00b78adf1603532353989fe730c3559398665c8ea08f86652