[INFO] updating cached repository chrde/mazes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chrde/mazes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chrde/mazes" "work/ex/beta-1.38-1/sources/1.37.0/gh/chrde/mazes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/chrde/mazes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chrde/mazes" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chrde/mazes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chrde/mazes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ee57dede0c6e902483cba11161c34a67b2d23a6
[INFO] sha for GitHub repo chrde/mazes: 0ee57dede0c6e902483cba11161c34a67b2d23a6
[INFO] validating manifest of chrde/mazes 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 chrde/mazes 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 chrde/mazes
[INFO] finished frobbing chrde/mazes
[INFO] frobbed toml for chrde/mazes written to work/ex/beta-1.38-1/sources/1.37.0/gh/chrde/mazes/Cargo.toml
[INFO] started frobbing chrde/mazes
[INFO] finished frobbing chrde/mazes
[INFO] frobbed toml for chrde/mazes written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chrde/mazes/Cargo.toml
[INFO] crate chrde/mazes 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 chrde/mazes 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-6/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/chrde/mazes:/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] c461c258e6d35f0c70fa5acee0d3d4fead5009f5fe14c41c12b444968fd9c92b
[INFO] running `"docker" "start" "-a" "c461c258e6d35f0c70fa5acee0d3d4fead5009f5fe14c41c12b444968fd9c92b"`
[INFO] [stderr]    Compiling enum_derive v0.1.7
[INFO] [stderr]    Compiling mazes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `"docker" "inspect" "c461c258e6d35f0c70fa5acee0d3d4fead5009f5fe14c41c12b444968fd9c92b"`
[INFO] running `"docker" "rm" "-f" "c461c258e6d35f0c70fa5acee0d3d4fead5009f5fe14c41c12b444968fd9c92b"`
[INFO] [stdout] c461c258e6d35f0c70fa5acee0d3d4fead5009f5fe14c41c12b444968fd9c92b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/chrde/mazes:/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] 99d873cde7b76ee58b2de00c7cc42e1d1d7d159e3fbd5ded82840d0b5eb233c5
[INFO] running `"docker" "start" "-a" "99d873cde7b76ee58b2de00c7cc42e1d1d7d159e3fbd5ded82840d0b5eb233c5"`
[INFO] [stderr]    Compiling mazes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "99d873cde7b76ee58b2de00c7cc42e1d1d7d159e3fbd5ded82840d0b5eb233c5"`
[INFO] running `"docker" "rm" "-f" "99d873cde7b76ee58b2de00c7cc42e1d1d7d159e3fbd5ded82840d0b5eb233c5"`
[INFO] [stdout] 99d873cde7b76ee58b2de00c7cc42e1d1d7d159e3fbd5ded82840d0b5eb233c5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/chrde/mazes:/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] 8abe17dc13919c71553cc11d300dc3ceca5b6feedfb0db4baea23f6dcd500c96
[INFO] running `"docker" "start" "-a" "8abe17dc13919c71553cc11d300dc3ceca5b6feedfb0db4baea23f6dcd500c96"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mazes-1ac56cc9a772257e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test grid::tests::cells_are_valid ... ok
[INFO] [stdout] test grid::tests::corner_cells_dont_have_some_neighbors ... ok
[INFO] [stdout] test grid::tests::side_cells_dont_have_some_neighbors ... ok
[INFO] [stdout] test grid::tests::cells_have_right_size ... ok
[INFO] [stdout] test grid::tests::cells_have_right_id ... 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" "8abe17dc13919c71553cc11d300dc3ceca5b6feedfb0db4baea23f6dcd500c96"`
[INFO] running `"docker" "rm" "-f" "8abe17dc13919c71553cc11d300dc3ceca5b6feedfb0db4baea23f6dcd500c96"`
[INFO] [stdout] 8abe17dc13919c71553cc11d300dc3ceca5b6feedfb0db4baea23f6dcd500c96