[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 beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Fparkinglot-generator-optimizer" "/workspace/builds/worker-96/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adam-mcdaniel/parkinglot-generator-optimizer on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-96/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" "+beta-2021-09-08" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81319136bc7a7e03d4aafa51c1913b142c8bbfa96d1be584ec3a7b922f099b7d [INFO] running `Command { std: "docker" "start" "-a" "81319136bc7a7e03d4aafa51c1913b142c8bbfa96d1be584ec3a7b922f099b7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81319136bc7a7e03d4aafa51c1913b142c8bbfa96d1be584ec3a7b922f099b7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81319136bc7a7e03d4aafa51c1913b142c8bbfa96d1be584ec3a7b922f099b7d", kill_on_drop: false }` [INFO] [stdout] 81319136bc7a7e03d4aafa51c1913b142c8bbfa96d1be584ec3a7b922f099b7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66de2d366d2cce62164c493fcd014ffe3fe9bfce23941c9d88c92ed1afb9c575 [INFO] running `Command { std: "docker" "start" "-a" "66de2d366d2cce62164c493fcd014ffe3fe9bfce23941c9d88c92ed1afb9c575", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.3.0 [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 2.93s [INFO] running `Command { std: "docker" "inspect" "66de2d366d2cce62164c493fcd014ffe3fe9bfce23941c9d88c92ed1afb9c575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66de2d366d2cce62164c493fcd014ffe3fe9bfce23941c9d88c92ed1afb9c575", kill_on_drop: false }` [INFO] [stdout] 66de2d366d2cce62164c493fcd014ffe3fe9bfce23941c9d88c92ed1afb9c575 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9ba3a911b2a2a3b2744a0a9c529a97ee6bd3c79e96323d62f232606f1c870dd [INFO] running `Command { std: "docker" "start" "-a" "f9ba3a911b2a2a3b2744a0a9c529a97ee6bd3c79e96323d62f232606f1c870dd", 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 0.79s [INFO] running `Command { std: "docker" "inspect" "f9ba3a911b2a2a3b2744a0a9c529a97ee6bd3c79e96323d62f232606f1c870dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9ba3a911b2a2a3b2744a0a9c529a97ee6bd3c79e96323d62f232606f1c870dd", kill_on_drop: false }` [INFO] [stdout] f9ba3a911b2a2a3b2744a0a9c529a97ee6bd3c79e96323d62f232606f1c870dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9c7f9a70075ce0a50d865f80d4d9e5c2c31a8a3a1405a4255f8b0e95ca2db5b1 [INFO] running `Command { std: "docker" "start" "-a" "9c7f9a70075ce0a50d865f80d4d9e5c2c31a8a3a1405a4255f8b0e95ca2db5b1", kill_on_drop: false }` [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 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/parking-64f0e729d122bb55) [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" "9c7f9a70075ce0a50d865f80d4d9e5c2c31a8a3a1405a4255f8b0e95ca2db5b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c7f9a70075ce0a50d865f80d4d9e5c2c31a8a3a1405a4255f8b0e95ca2db5b1", kill_on_drop: false }` [INFO] [stdout] 9c7f9a70075ce0a50d865f80d4d9e5c2c31a8a3a1405a4255f8b0e95ca2db5b1