[INFO] crate mazinator 0.1.2 is already in cache
[INFO] testing mazinator-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate mazinator 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mazinator 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mazinator 0.1.2
[INFO] finished tweaking crates.io crate mazinator 0.1.2
[INFO] tweaked toml for crates.io crate mazinator 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mazinator 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 976cd9e3f304b4a8d5486fda29378c79e555926e0490a7dae3d5b9cbd2759bef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "976cd9e3f304b4a8d5486fda29378c79e555926e0490a7dae3d5b9cbd2759bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "976cd9e3f304b4a8d5486fda29378c79e555926e0490a7dae3d5b9cbd2759bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976cd9e3f304b4a8d5486fda29378c79e555926e0490a7dae3d5b9cbd2759bef", kill_on_drop: false }`
[INFO] [stdout] 976cd9e3f304b4a8d5486fda29378c79e555926e0490a7dae3d5b9cbd2759bef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c53fbf90f610b73727991e32ffc20cd974907601b7ffe60783b7498e78be5625
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c53fbf90f610b73727991e32ffc20cd974907601b7ffe60783b7498e78be5625", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mazinator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "c53fbf90f610b73727991e32ffc20cd974907601b7ffe60783b7498e78be5625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53fbf90f610b73727991e32ffc20cd974907601b7ffe60783b7498e78be5625", kill_on_drop: false }`
[INFO] [stdout] c53fbf90f610b73727991e32ffc20cd974907601b7ffe60783b7498e78be5625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25f9c63d16c497861d9f26cd2943b1492c5ed9979ab7555f620bfd58527610fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25f9c63d16c497861d9f26cd2943b1492c5ed9979ab7555f620bfd58527610fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling mazinator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "25f9c63d16c497861d9f26cd2943b1492c5ed9979ab7555f620bfd58527610fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f9c63d16c497861d9f26cd2943b1492c5ed9979ab7555f620bfd58527610fe", kill_on_drop: false }`
[INFO] [stdout] 25f9c63d16c497861d9f26cd2943b1492c5ed9979ab7555f620bfd58527610fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56d2a3f48709cb87ac56bb3f2234a233c100e8e8bcf0878be76446a3dfeca726
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "56d2a3f48709cb87ac56bb3f2234a233c100e8e8bcf0878be76446a3dfeca726", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mazinator-5544a0c02afe7eb1
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test structure::matrix::matrix_tests::get_correct_index ... ok
[INFO] [stdout] test structure::wall::wall_tests::constructed_correct_walls ... ok
[INFO] [stdout] test algo::bfs::bfs_test::visited_all_cells ... ok
[INFO] [stdout] test structure::wall::wall_tests::remove_wall_correctly ... ok
[INFO] [stdout] test structure::matrix::matrix_tests::put_correct_value ... ok
[INFO] [stdout] test algo::dfs::dfs_test::visited_all_cells ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mazinator-48825bb2c9f72991
[INFO] [stdout] test structure::matrix::matrix_tests::get_correct_neighbours ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mazinator
[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] [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 `Command { std: "docker" "inspect" "56d2a3f48709cb87ac56bb3f2234a233c100e8e8bcf0878be76446a3dfeca726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d2a3f48709cb87ac56bb3f2234a233c100e8e8bcf0878be76446a3dfeca726", kill_on_drop: false }`
[INFO] [stdout] 56d2a3f48709cb87ac56bb3f2234a233c100e8e8bcf0878be76446a3dfeca726