[INFO] cloning repository https://github.com/dennis-roof/queens-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dennis-roof/queens-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennis-roof%2Fqueens-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennis-roof%2Fqueens-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6aa16fa8e374e50c05bda39a89424359241da6b
[INFO] testing dennis-roof/queens-rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennis-roof%2Fqueens-rust" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dennis-roof/queens-rust 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 git repo https://github.com/dennis-roof/queens-rust
[INFO] finished tweaking git repo https://github.com/dennis-roof/queens-rust
[INFO] tweaked toml for git repo https://github.com/dennis-roof/queens-rust written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/dennis-roof/queens-rust 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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 531b45f72375c76da011be07cd3ab7c0bc0b0997fbeab57c5e2b306bea7cfb78
[INFO] running `Command { std: "docker" "start" "-a" "531b45f72375c76da011be07cd3ab7c0bc0b0997fbeab57c5e2b306bea7cfb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "531b45f72375c76da011be07cd3ab7c0bc0b0997fbeab57c5e2b306bea7cfb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531b45f72375c76da011be07cd3ab7c0bc0b0997fbeab57c5e2b306bea7cfb78", kill_on_drop: false }`
[INFO] [stdout] 531b45f72375c76da011be07cd3ab7c0bc0b0997fbeab57c5e2b306bea7cfb78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] c5ac6d7b3f7317012eaba71b755ac91dbdd4c10f8f0734cdcd9388e5ff4b9aca
[INFO] running `Command { std: "docker" "start" "-a" "c5ac6d7b3f7317012eaba71b755ac91dbdd4c10f8f0734cdcd9388e5ff4b9aca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling queens-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/queens_solver/board.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     (Position {x: 99, y: 99})
[INFO] [stdout]    |     ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -     (Position {x: 99, y: 99})
[INFO] [stdout] 51 +     Position {x: 99, y: 99}
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/queens_solver/board.rs:58:2
[INFO] [stdout]    |
[INFO] [stdout] 58 |     (x_diff.abs() == y_diff.abs())
[INFO] [stdout]    |     ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -     (x_diff.abs() == y_diff.abs())
[INFO] [stdout] 58 +     x_diff.abs() == y_diff.abs()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/queens_solver/board.rs:63:2
[INFO] [stdout]    |
[INFO] [stdout] 63 |     (position.x != 99 && position.y != 99)
[INFO] [stdout]    |     ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     (position.x != 99 && position.y != 99)
[INFO] [stdout] 63 +     position.x != 99 && position.y != 99
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/queens_solver/mod.rs:25:2
[INFO] [stdout]    |
[INFO] [stdout] 25 |     (number_of_queen_pieces == board_size)
[INFO] [stdout]    |     ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     (number_of_queen_pieces == board_size)
[INFO] [stdout] 25 +     number_of_queen_pieces == board_size
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "c5ac6d7b3f7317012eaba71b755ac91dbdd4c10f8f0734cdcd9388e5ff4b9aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ac6d7b3f7317012eaba71b755ac91dbdd4c10f8f0734cdcd9388e5ff4b9aca", kill_on_drop: false }`
[INFO] [stdout] c5ac6d7b3f7317012eaba71b755ac91dbdd4c10f8f0734cdcd9388e5ff4b9aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 64d5c427d713ddd9f18fcf007f02d4b6e8e9b770082f2747e38d74912a0d0bf2
[INFO] running `Command { std: "docker" "start" "-a" "64d5c427d713ddd9f18fcf007f02d4b6e8e9b770082f2747e38d74912a0d0bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling queens-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/queens_solver/board.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     (Position {x: 99, y: 99})
[INFO] [stdout]    |     ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -     (Position {x: 99, y: 99})
[INFO] [stdout] 51 +     Position {x: 99, y: 99}
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/queens_solver/board.rs:58:2
[INFO] [stdout]    |
[INFO] [stdout] 58 |     (x_diff.abs() == y_diff.abs())
[INFO] [stdout]    |     ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -     (x_diff.abs() == y_diff.abs())
[INFO] [stdout] 58 +     x_diff.abs() == y_diff.abs()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/queens_solver/board.rs:63:2
[INFO] [stdout]    |
[INFO] [stdout] 63 |     (position.x != 99 && position.y != 99)
[INFO] [stdout]    |     ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     (position.x != 99 && position.y != 99)
[INFO] [stdout] 63 +     position.x != 99 && position.y != 99
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/queens_solver/mod.rs:25:2
[INFO] [stdout]    |
[INFO] [stdout] 25 |     (number_of_queen_pieces == board_size)
[INFO] [stdout]    |     ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     (number_of_queen_pieces == board_size)
[INFO] [stdout] 25 +     number_of_queen_pieces == board_size
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "64d5c427d713ddd9f18fcf007f02d4b6e8e9b770082f2747e38d74912a0d0bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d5c427d713ddd9f18fcf007f02d4b6e8e9b770082f2747e38d74912a0d0bf2", kill_on_drop: false }`
[INFO] [stdout] 64d5c427d713ddd9f18fcf007f02d4b6e8e9b770082f2747e38d74912a0d0bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 3169726ce48718adbd6357e2141e4dee1854e465955c15cf536e70cdb387e431
[INFO] running `Command { std: "docker" "start" "-a" "3169726ce48718adbd6357e2141e4dee1854e465955c15cf536e70cdb387e431", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/queens_solver/board.rs:51:2
[INFO] [stderr]    |
[INFO] [stderr] 51 |     (Position {x: 99, y: 99})
[INFO] [stderr]    |     ^                       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 51 -     (Position {x: 99, y: 99})
[INFO] [stderr] 51 +     Position {x: 99, y: 99}
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/queens_solver/board.rs:58:2
[INFO] [stderr]    |
[INFO] [stderr] 58 |     (x_diff.abs() == y_diff.abs())
[INFO] [stderr]    |     ^                            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 58 -     (x_diff.abs() == y_diff.abs())
[INFO] [stderr] 58 +     x_diff.abs() == y_diff.abs()
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/queens_solver/board.rs:63:2
[INFO] [stderr]    |
[INFO] [stderr] 63 |     (position.x != 99 && position.y != 99)
[INFO] [stderr]    |     ^                                    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 63 -     (position.x != 99 && position.y != 99)
[INFO] [stderr] 63 +     position.x != 99 && position.y != 99
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/queens_solver/mod.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     (number_of_queen_pieces == board_size)
[INFO] [stderr]    |     ^                                    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 25 -     (number_of_queen_pieces == board_size)
[INFO] [stderr] 25 +     number_of_queen_pieces == board_size
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `queens-rust` (bin "queens-rust" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/queens_rust-fa74c48870ca250c)
[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" "3169726ce48718adbd6357e2141e4dee1854e465955c15cf536e70cdb387e431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3169726ce48718adbd6357e2141e4dee1854e465955c15cf536e70cdb387e431", kill_on_drop: false }`
[INFO] [stdout] 3169726ce48718adbd6357e2141e4dee1854e465955c15cf536e70cdb387e431