[INFO] fetching crate maze_generator 2.0.0...
[INFO] testing maze_generator-2.0.0 against master#0e21a27075a8c508f00d1a4430497f17ce93d5c9 for pr-98839
[INFO] extracting crate maze_generator 2.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate maze_generator 2.0.0 on toolchain 0e21a27075a8c508f00d1a4430497f17ce93d5c9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maze_generator 2.0.0
[INFO] finished tweaking crates.io crate maze_generator 2.0.0
[INFO] tweaked toml for crates.io crate maze_generator 2.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate maze_generator 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.1.4
[INFO] [stderr]   Downloaded clap v3.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 669c1a5e3c3d9647cbf45b8a79362c919e984857ff8ed21e5e57761c857413cb
[INFO] running `Command { std: "docker" "start" "-a" "669c1a5e3c3d9647cbf45b8a79362c919e984857ff8ed21e5e57761c857413cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "669c1a5e3c3d9647cbf45b8a79362c919e984857ff8ed21e5e57761c857413cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669c1a5e3c3d9647cbf45b8a79362c919e984857ff8ed21e5e57761c857413cb", kill_on_drop: false }`
[INFO] [stdout] 669c1a5e3c3d9647cbf45b8a79362c919e984857ff8ed21e5e57761c857413cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f459512261c6745611aee0808ff49a89631315754f1777445b748f899cca9cf
[INFO] running `Command { std: "docker" "start" "-a" "0f459512261c6745611aee0808ff49a89631315754f1777445b748f899cca9cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling maze_generator v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `Command { std: "docker" "inspect" "0f459512261c6745611aee0808ff49a89631315754f1777445b748f899cca9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f459512261c6745611aee0808ff49a89631315754f1777445b748f899cca9cf", kill_on_drop: false }`
[INFO] [stdout] 0f459512261c6745611aee0808ff49a89631315754f1777445b748f899cca9cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95607234ad3432cee8f9be19055fe20ff80cd1e073291940e90bd2b1eacc2cfe
[INFO] running `Command { std: "docker" "start" "-a" "95607234ad3432cee8f9be19055fe20ff80cd1e073291940e90bd2b1eacc2cfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling clap v3.1.6
[INFO] [stderr]    Compiling maze_generator v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.89s
[INFO] running `Command { std: "docker" "inspect" "95607234ad3432cee8f9be19055fe20ff80cd1e073291940e90bd2b1eacc2cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95607234ad3432cee8f9be19055fe20ff80cd1e073291940e90bd2b1eacc2cfe", kill_on_drop: false }`
[INFO] [stdout] 95607234ad3432cee8f9be19055fe20ff80cd1e073291940e90bd2b1eacc2cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15e482955459e9902ea6555a6d1deff07d366c4b52676df768b36665b64d5605
[INFO] running `Command { std: "docker" "start" "-a" "15e482955459e9902ea6555a6d1deff07d366c4b52676df768b36665b64d5605", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maze_generator-5cd37b2147c89d84)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test recursive_backtracking::test::test_all_fields_connected ... ok
[INFO] [stdout] test recursive_backtracking::test::test_route_from_start_to_goal_exists ... ok
[INFO] [stdout] test recursive_backtracking::test::test_all_coordinates_have_fields ... ok
[INFO] [stdout] test ellers_algorithm::test::test_all_coordinates_have_fields ... ok
[INFO] [stdout] test ellers_algorithm::test::test_route_from_start_to_goal_exists ... ok
[INFO] [stdout] test ellers_algorithm::test::test_all_fields_connected ... ok
[INFO] [stdout] test ellers_algorithm::test::test_generation_is_deterministic has been running for over 60 seconds
[INFO] [stdout] test growing_tree::test::test_all_coordinates_have_fields has been running for over 60 seconds
[INFO] [stdout] test growing_tree::test::test_all_fields_connected has been running for over 60 seconds
[INFO] [stdout] test growing_tree::test::test_generation_is_deterministic has been running for over 60 seconds
[INFO] [stdout] test growing_tree::test::test_route_from_start_to_goal_exists has been running for over 60 seconds
[INFO] [stdout] test prims_algorithm::test::test_all_coordinates_have_fields has been running for over 60 seconds
[INFO] [stdout] test prims_algorithm::test::test_all_fields_connected has been running for over 60 seconds
[INFO] [stdout] test prims_algorithm::test::test_generation_is_deterministic has been running for over 60 seconds
[INFO] [stdout] test prims_algorithm::test::test_route_from_start_to_goal_exists has been running for over 60 seconds
[INFO] [stdout] test recursive_backtracking::test::test_generation_is_deterministic has been running for over 60 seconds
[INFO] [stdout] test recursive_backtracking::test::test_generation_is_deterministic ... ok
[INFO] [stdout] test growing_tree::test::test_route_from_start_to_goal_exists ... ok
[INFO] [stdout] test prims_algorithm::test::test_route_from_start_to_goal_exists ... ok
[INFO] [stdout] test ellers_algorithm::test::test_generation_is_deterministic ... ok
[INFO] [stdout] test growing_tree::test::test_all_fields_connected ... ok
[INFO] [stdout] test prims_algorithm::test::test_all_coordinates_have_fields ... ok
[INFO] [stdout] test prims_algorithm::test::test_all_fields_connected ... ok
[INFO] [stdout] test growing_tree::test::test_all_coordinates_have_fields ... ok
[INFO] [stdout] test growing_tree::test::test_generation_is_deterministic ... ok
[INFO] [stdout] test prims_algorithm::test::test_generation_is_deterministic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 432.79s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maze_generator
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15e482955459e9902ea6555a6d1deff07d366c4b52676df768b36665b64d5605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e482955459e9902ea6555a6d1deff07d366c4b52676df768b36665b64d5605", kill_on_drop: false }`
[INFO] [stdout] 15e482955459e9902ea6555a6d1deff07d366c4b52676df768b36665b64d5605