[INFO] cloning repository https://github.com/adam-mcdaniel/parkinglot-generator-optimizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adam-mcdaniel/parkinglot-generator-optimizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Fparkinglot-generator-optimizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Fparkinglot-generator-optimizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac4391480658f0bba08eb343db1a6cf963298e59
[INFO] testing adam-mcdaniel/parkinglot-generator-optimizer against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Fparkinglot-generator-optimizer" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adam-mcdaniel/parkinglot-generator-optimizer on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adam-mcdaniel/parkinglot-generator-optimizer
[INFO] finished tweaking git repo https://github.com/adam-mcdaniel/parkinglot-generator-optimizer
[INFO] tweaked toml for git repo https://github.com/adam-mcdaniel/parkinglot-generator-optimizer written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/adam-mcdaniel/parkinglot-generator-optimizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a16ee23ec83534fec4a28df37e1e066ec46b4c767fc4dcc39837a34b613a002
[INFO] running `Command { std: "docker" "start" "-a" "4a16ee23ec83534fec4a28df37e1e066ec46b4c767fc4dcc39837a34b613a002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a16ee23ec83534fec4a28df37e1e066ec46b4c767fc4dcc39837a34b613a002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a16ee23ec83534fec4a28df37e1e066ec46b4c767fc4dcc39837a34b613a002", kill_on_drop: false }`
[INFO] [stdout] 4a16ee23ec83534fec4a28df37e1e066ec46b4c767fc4dcc39837a34b613a002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 513a109eb917bfa1f1660cc24f10a6a8f9445b43e8828a131d5955104e146573
[INFO] running `Command { std: "docker" "start" "-a" "513a109eb917bfa1f1660cc24f10a6a8f9445b43e8828a131d5955104e146573", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling pathfinding v1.0.3
[INFO] [stderr]    Compiling parking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut lot = t.join().unwrap();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "513a109eb917bfa1f1660cc24f10a6a8f9445b43e8828a131d5955104e146573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513a109eb917bfa1f1660cc24f10a6a8f9445b43e8828a131d5955104e146573", kill_on_drop: false }`
[INFO] [stdout] 513a109eb917bfa1f1660cc24f10a6a8f9445b43e8828a131d5955104e146573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f1986824c7121122a8933632180cea74ec6ad79946d20d483ce0940c942e866
[INFO] running `Command { std: "docker" "start" "-a" "7f1986824c7121122a8933632180cea74ec6ad79946d20d483ce0940c942e866", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut lot = t.join().unwrap();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "7f1986824c7121122a8933632180cea74ec6ad79946d20d483ce0940c942e866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1986824c7121122a8933632180cea74ec6ad79946d20d483ce0940c942e866", kill_on_drop: false }`
[INFO] [stdout] 7f1986824c7121122a8933632180cea74ec6ad79946d20d483ce0940c942e866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c85e78db93a23df8b4ab68b424388cce90227b35e2e3b377847903e84e237e5
[INFO] running `Command { std: "docker" "start" "-a" "8c85e78db93a23df8b4ab68b424388cce90227b35e2e3b377847903e84e237e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut lot = t.join().unwrap();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `parking` (bin "parking" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parking-d161cf0d7095d4bc)
[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" "8c85e78db93a23df8b4ab68b424388cce90227b35e2e3b377847903e84e237e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c85e78db93a23df8b4ab68b424388cce90227b35e2e3b377847903e84e237e5", kill_on_drop: false }`
[INFO] [stdout] 8c85e78db93a23df8b4ab68b424388cce90227b35e2e3b377847903e84e237e5