[INFO] cloning repository roqqq3/maze-generator
[INFO] running `"git" "clone" "--bare" "git://github.com/roqqq3/maze-generator.git" "work/cache/sources/gh/roqqq3/maze-generator"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/roqqq3/maze-generator'...
[INFO] running `"git" "clone" "work/cache/sources/gh/roqqq3/maze-generator" "work/ex/beta-1.37-6/sources/1.36.0/gh/roqqq3/maze-generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/roqqq3/maze-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/roqqq3/maze-generator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/roqqq3/maze-generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/roqqq3/maze-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f78255829bb26398e5178bb680196235d2c406f
[INFO] sha for GitHub repo roqqq3/maze-generator: 1f78255829bb26398e5178bb680196235d2c406f
[INFO] validating manifest of roqqq3/maze-generator on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of roqqq3/maze-generator on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing roqqq3/maze-generator
[INFO] finished frobbing roqqq3/maze-generator
[INFO] frobbed toml for roqqq3/maze-generator written to work/ex/beta-1.37-6/sources/1.36.0/gh/roqqq3/maze-generator/Cargo.toml
[INFO] started frobbing roqqq3/maze-generator
[INFO] finished frobbing roqqq3/maze-generator
[INFO] frobbed toml for roqqq3/maze-generator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/roqqq3/maze-generator/Cargo.toml
[INFO] crate roqqq3/maze-generator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing roqqq3/maze-generator against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/roqqq3/maze-generator:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 26fd2193b4e66667705b8b238f3ddbd572697bfe8e94780611aec0386c0790e0
[INFO] running `"docker" "start" "-a" "26fd2193b4e66667705b8b238f3ddbd572697bfe8e94780611aec0386c0790e0"`
[INFO] [stderr]    Compiling smallbitvec v2.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling mazegenerator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `"docker" "inspect" "26fd2193b4e66667705b8b238f3ddbd572697bfe8e94780611aec0386c0790e0"`
[INFO] running `"docker" "rm" "-f" "26fd2193b4e66667705b8b238f3ddbd572697bfe8e94780611aec0386c0790e0"`
[INFO] [stdout] 26fd2193b4e66667705b8b238f3ddbd572697bfe8e94780611aec0386c0790e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/roqqq3/maze-generator:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5290cc79bec2e68991468fe872298465c0c97978c73f83260083363315311463
[INFO] running `"docker" "start" "-a" "5290cc79bec2e68991468fe872298465c0c97978c73f83260083363315311463"`
[INFO] [stderr]    Compiling mazegenerator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "5290cc79bec2e68991468fe872298465c0c97978c73f83260083363315311463"`
[INFO] running `"docker" "rm" "-f" "5290cc79bec2e68991468fe872298465c0c97978c73f83260083363315311463"`
[INFO] [stdout] 5290cc79bec2e68991468fe872298465c0c97978c73f83260083363315311463
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/roqqq3/maze-generator:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] d610b6ae2c2e5f8243738cb144ba69ad8f2ce2660294c38b013fc15fc0cf81a9
[INFO] running `"docker" "start" "-a" "d610b6ae2c2e5f8243738cb144ba69ad8f2ce2660294c38b013fc15fc0cf81a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mazegenerator-9c7d83995c165fd3
[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" "d610b6ae2c2e5f8243738cb144ba69ad8f2ce2660294c38b013fc15fc0cf81a9"`
[INFO] running `"docker" "rm" "-f" "d610b6ae2c2e5f8243738cb144ba69ad8f2ce2660294c38b013fc15fc0cf81a9"`
[INFO] [stdout] d610b6ae2c2e5f8243738cb144ba69ad8f2ce2660294c38b013fc15fc0cf81a9