[INFO] updating cached repository https://github.com/TheRiven/mazegenerator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9e021d139b3ec222eae371c8cfb95033e6e5a168
[INFO] testing TheRiven/mazegenerator against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheRiven/mazegenerator on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TheRiven/mazegenerator
[INFO] finished tweaking git repo https://github.com/TheRiven/mazegenerator
[INFO] tweaked toml for git repo https://github.com/TheRiven/mazegenerator written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/TheRiven/mazegenerator already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] fd80b871b345eb4f8b83cec18e84117e09d7a668b1c0851d10e8918438bba271
[INFO] running `"docker" "start" "-a" "fd80b871b345eb4f8b83cec18e84117e09d7a668b1c0851d10e8918438bba271"`
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling deflate v0.7.17
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling mazegenerator v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.73s
[INFO] running `"docker" "inspect" "fd80b871b345eb4f8b83cec18e84117e09d7a668b1c0851d10e8918438bba271"`
[INFO] running `"docker" "rm" "-f" "fd80b871b345eb4f8b83cec18e84117e09d7a668b1c0851d10e8918438bba271"`
[INFO] [stdout] fd80b871b345eb4f8b83cec18e84117e09d7a668b1c0851d10e8918438bba271
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] e18290071f1840f37af8df6e40b9bd290b5210f2e77c94c30c123585043d5ce7
[INFO] running `"docker" "start" "-a" "e18290071f1840f37af8df6e40b9bd290b5210f2e77c94c30c123585043d5ce7"`
[INFO] [stderr]    Compiling mazegenerator v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "e18290071f1840f37af8df6e40b9bd290b5210f2e77c94c30c123585043d5ce7"`
[INFO] running `"docker" "rm" "-f" "e18290071f1840f37af8df6e40b9bd290b5210f2e77c94c30c123585043d5ce7"`
[INFO] [stdout] e18290071f1840f37af8df6e40b9bd290b5210f2e77c94c30c123585043d5ce7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 5c303bf8ce8d10c090d3d8ee7af21b4f6ddf96891c7fdd209fcad430e4750812
[INFO] running `"docker" "start" "-a" "5c303bf8ce8d10c090d3d8ee7af21b4f6ddf96891c7fdd209fcad430e4750812"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mazegenerator-b9cda1a2312bf549
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test mazebuilder::tests::test_dfs_10_10 ... ok
[INFO] [stdout] test mazebuilder::tests::test_kruskal_10_10 ... ok
[INFO] [stdout] test mazebuilder::tests::test_dfs_15_23 ... ok
[INFO] [stdout] test mazebuilder::tests::test_generate_maze_selector ... ok
[INFO] [stdout] test mazebuilder::tests::test_kruskal_15_23 ... ok
[INFO] [stdout] test mazebuilder::tests::test_dfs_100_100 ... ok
[INFO] [stdout] test mazebuilder::tests::test_dfs_imperfect ... ok
[INFO] [stdout] test mazebuilder::tests::test_kruskal_100_100 ... ok
[INFO] [stdout] test mazebuilder::tests::test_kruskal_imperfect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mazegenerator-47af0d0a0f6353f5
[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]    Doc-tests mazegenerator
[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" "5c303bf8ce8d10c090d3d8ee7af21b4f6ddf96891c7fdd209fcad430e4750812"`
[INFO] running `"docker" "rm" "-f" "5c303bf8ce8d10c090d3d8ee7af21b4f6ddf96891c7fdd209fcad430e4750812"`
[INFO] [stdout] 5c303bf8ce8d10c090d3d8ee7af21b4f6ddf96891c7fdd209fcad430e4750812