[INFO] updating cached repository alvinmatias69/maze-generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alvinmatias69/maze-generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alvinmatias69/maze-generator" "work/ex/beta-1.38-1/sources/1.37.0/gh/alvinmatias69/maze-generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alvinmatias69/maze-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alvinmatias69/maze-generator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alvinmatias69/maze-generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alvinmatias69/maze-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75c651f93cbbe7ef09e997f112086c1ac93d5529
[INFO] sha for GitHub repo alvinmatias69/maze-generator: 75c651f93cbbe7ef09e997f112086c1ac93d5529
[INFO] validating manifest of alvinmatias69/maze-generator 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 alvinmatias69/maze-generator 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 alvinmatias69/maze-generator
[INFO] finished frobbing alvinmatias69/maze-generator
[INFO] frobbed toml for alvinmatias69/maze-generator written to work/ex/beta-1.38-1/sources/1.37.0/gh/alvinmatias69/maze-generator/Cargo.toml
[INFO] started frobbing alvinmatias69/maze-generator
[INFO] finished frobbing alvinmatias69/maze-generator
[INFO] frobbed toml for alvinmatias69/maze-generator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alvinmatias69/maze-generator/Cargo.toml
[INFO] crate alvinmatias69/maze-generator 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing alvinmatias69/maze-generator 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alvinmatias69/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9a231dc0c4d7b686b4e0b95e9f37b868969e6e14fb39bd61f4f5ade5e9e9f615
[INFO] running `"docker" "start" "-a" "9a231dc0c4d7b686b4e0b95e9f37b868969e6e14fb39bd61f4f5ade5e9e9f615"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling maze_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `"docker" "inspect" "9a231dc0c4d7b686b4e0b95e9f37b868969e6e14fb39bd61f4f5ade5e9e9f615"`
[INFO] running `"docker" "rm" "-f" "9a231dc0c4d7b686b4e0b95e9f37b868969e6e14fb39bd61f4f5ade5e9e9f615"`
[INFO] [stdout] 9a231dc0c4d7b686b4e0b95e9f37b868969e6e14fb39bd61f4f5ade5e9e9f615
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alvinmatias69/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 94fc5f61f9a2c0b266e62cff6e5ab63d73c4d928126474e9c7cfd48b12ff7956
[INFO] running `"docker" "start" "-a" "94fc5f61f9a2c0b266e62cff6e5ab63d73c4d928126474e9c7cfd48b12ff7956"`
[INFO] [stderr]    Compiling maze_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "94fc5f61f9a2c0b266e62cff6e5ab63d73c4d928126474e9c7cfd48b12ff7956"`
[INFO] running `"docker" "rm" "-f" "94fc5f61f9a2c0b266e62cff6e5ab63d73c4d928126474e9c7cfd48b12ff7956"`
[INFO] [stdout] 94fc5f61f9a2c0b266e62cff6e5ab63d73c4d928126474e9c7cfd48b12ff7956
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alvinmatias69/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] dc55a803ad24f42dfbdda87618250261fcff2ce83e24b844647ad030287ef7d6
[INFO] running `"docker" "start" "-a" "dc55a803ad24f42dfbdda87618250261fcff2ce83e24b844647ad030287ef7d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maze_generator-0d1dd17da48a967e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test maze::test::init_maze ... ok
[INFO] [stdout] test maze::test::first_cell_should_visited ... ok
[INFO] [stdout] test cell::tests::visit_cell ... ok
[INFO] [stdout] test cell::tests::remove_wall ... ok
[INFO] [stdout] test cell::tests::init_cell ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc55a803ad24f42dfbdda87618250261fcff2ce83e24b844647ad030287ef7d6"`
[INFO] running `"docker" "rm" "-f" "dc55a803ad24f42dfbdda87618250261fcff2ce83e24b844647ad030287ef7d6"`
[INFO] [stdout] dc55a803ad24f42dfbdda87618250261fcff2ce83e24b844647ad030287ef7d6