[INFO] fetching crate mazinator 0.1.2...
[INFO] testing mazinator-0.1.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mazinator 0.1.2 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate mazinator 0.1.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-94/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b7106e568eb2743c45aa2a36f7b94f37da2b924f497a009298cc80f30237479
[INFO] running `Command { std: "docker" "start" "-a" "3b7106e568eb2743c45aa2a36f7b94f37da2b924f497a009298cc80f30237479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b7106e568eb2743c45aa2a36f7b94f37da2b924f497a009298cc80f30237479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7106e568eb2743c45aa2a36f7b94f37da2b924f497a009298cc80f30237479", kill_on_drop: false }`
[INFO] [stdout] 3b7106e568eb2743c45aa2a36f7b94f37da2b924f497a009298cc80f30237479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f839c3de2842f1f00a73767cab2f497c5d724425cd073434380ca9ea8a89e32c
[INFO] running `Command { std: "docker" "start" "-a" "f839c3de2842f1f00a73767cab2f497c5d724425cd073434380ca9ea8a89e32c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 3.00s
[INFO] running `Command { std: "docker" "inspect" "f839c3de2842f1f00a73767cab2f497c5d724425cd073434380ca9ea8a89e32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f839c3de2842f1f00a73767cab2f497c5d724425cd073434380ca9ea8a89e32c", kill_on_drop: false }`
[INFO] [stdout] f839c3de2842f1f00a73767cab2f497c5d724425cd073434380ca9ea8a89e32c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 284d043134a485844eff409281cbb85046687a81ac6e580fd4d67f0301ea0afb
[INFO] running `Command { std: "docker" "start" "-a" "284d043134a485844eff409281cbb85046687a81ac6e580fd4d67f0301ea0afb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mazinator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "284d043134a485844eff409281cbb85046687a81ac6e580fd4d67f0301ea0afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284d043134a485844eff409281cbb85046687a81ac6e580fd4d67f0301ea0afb", kill_on_drop: false }`
[INFO] [stdout] 284d043134a485844eff409281cbb85046687a81ac6e580fd4d67f0301ea0afb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 244a5835794cfdd4599e5e80c9cadc5d53429a85acf1dc73f6bdd34cd415ccf4
[INFO] running `Command { std: "docker" "start" "-a" "244a5835794cfdd4599e5e80c9cadc5d53429a85acf1dc73f6bdd34cd415ccf4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mazinator-3f0d75a98b6ae21e)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test structure::matrix::matrix_tests::get_correct_index ... ok
[INFO] [stdout] test structure::matrix::matrix_tests::put_correct_value ... ok
[INFO] [stdout] test algo::bfs::bfs_test::visited_all_cells ... ok
[INFO] [stdout] test structure::wall::wall_tests::constructed_correct_walls ... ok
[INFO] [stdout] test structure::wall::wall_tests::remove_wall_correctly ... ok
[INFO] [stdout] test algo::dfs::dfs_test::visited_all_cells ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mazinator-15ff052f2279f7bd)
[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; finished in 0.01s
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "244a5835794cfdd4599e5e80c9cadc5d53429a85acf1dc73f6bdd34cd415ccf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "244a5835794cfdd4599e5e80c9cadc5d53429a85acf1dc73f6bdd34cd415ccf4", kill_on_drop: false }`
[INFO] [stdout] 244a5835794cfdd4599e5e80c9cadc5d53429a85acf1dc73f6bdd34cd415ccf4