[INFO] fetching crate maze_generator 1.1.1...
[INFO] testing maze_generator-1.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate maze_generator 1.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate maze_generator 1.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maze_generator 1.1.1
[INFO] finished tweaking crates.io crate maze_generator 1.1.1
[INFO] tweaked toml for crates.io crate maze_generator 1.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2e8c454f388e5f2f36e1298a292a2403c86a63bf150cd76392933800c65cc45
[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" "f2e8c454f388e5f2f36e1298a292a2403c86a63bf150cd76392933800c65cc45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e8c454f388e5f2f36e1298a292a2403c86a63bf150cd76392933800c65cc45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e8c454f388e5f2f36e1298a292a2403c86a63bf150cd76392933800c65cc45", kill_on_drop: false }`
[INFO] [stdout] f2e8c454f388e5f2f36e1298a292a2403c86a63bf150cd76392933800c65cc45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0c8ea7971629ca28df45ca70e998beee757242d7a82f1e335a9fbe383222e4
[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" "ac0c8ea7971629ca28df45ca70e998beee757242d7a82f1e335a9fbe383222e4", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling maze_generator v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "ac0c8ea7971629ca28df45ca70e998beee757242d7a82f1e335a9fbe383222e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0c8ea7971629ca28df45ca70e998beee757242d7a82f1e335a9fbe383222e4", kill_on_drop: false }`
[INFO] [stdout] ac0c8ea7971629ca28df45ca70e998beee757242d7a82f1e335a9fbe383222e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3858aded1dae3a68fc2f224fe4222f55d5b8a7a5624be2829c98176e07a79485
[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" "3858aded1dae3a68fc2f224fe4222f55d5b8a7a5624be2829c98176e07a79485", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling maze_generator v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "3858aded1dae3a68fc2f224fe4222f55d5b8a7a5624be2829c98176e07a79485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3858aded1dae3a68fc2f224fe4222f55d5b8a7a5624be2829c98176e07a79485", kill_on_drop: false }`
[INFO] [stdout] 3858aded1dae3a68fc2f224fe4222f55d5b8a7a5624be2829c98176e07a79485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab42554cb88846a0ab0326a0b2faa036762589a811880f3e3725e98ce0084e01
[INFO] running `Command { std: "docker" "start" "-a" "ab42554cb88846a0ab0326a0b2faa036762589a811880f3e3725e98ce0084e01", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maze_generator-c60a0fa42c6b7b2a
[INFO] [stdout] running 8 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_generation_is_deterministic ... test ellers_algorithm::test::test_generation_is_deterministic has been running for over 60 seconds
[INFO] [stdout] test ellers_algorithm::test::test_all_coordinates_have_fields ... test ellers_algorithm::test::test_all_coordinates_have_fields has been running for over 60 seconds
[INFO] [stdout] test ellers_algorithm::test::test_all_fields_connected ... test ellers_algorithm::test::test_all_fields_connected has been running for over 60 seconds
[INFO] [stdout] test ellers_algorithm::test::test_route_from_start_to_goal_exists ... test ellers_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 ... test recursive_backtracking::test::test_generation_is_deterministic has been running for over 60 seconds
[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_all_coordinates_have_fields ... ok
[INFO] [stdout] test recursive_backtracking::test::test_generation_is_deterministic ... ok
[INFO] [stdout] test ellers_algorithm::test::test_generation_is_deterministic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maze_generator
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab42554cb88846a0ab0326a0b2faa036762589a811880f3e3725e98ce0084e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab42554cb88846a0ab0326a0b2faa036762589a811880f3e3725e98ce0084e01", kill_on_drop: false }`
[INFO] [stdout] ab42554cb88846a0ab0326a0b2faa036762589a811880f3e3725e98ce0084e01