[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennis-roof%2Fqueens-rust" "/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/dennis-roof/queens-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-10/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5926a7c6eb42703c7eb8418ddffc0b59b4deeb84c5b6e293be35f62d4b6698bf
[INFO] running `Command { std: "docker" "start" "-a" "5926a7c6eb42703c7eb8418ddffc0b59b4deeb84c5b6e293be35f62d4b6698bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5926a7c6eb42703c7eb8418ddffc0b59b4deeb84c5b6e293be35f62d4b6698bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5926a7c6eb42703c7eb8418ddffc0b59b4deeb84c5b6e293be35f62d4b6698bf", kill_on_drop: false }`
[INFO] [stdout] 5926a7c6eb42703c7eb8418ddffc0b59b4deeb84c5b6e293be35f62d4b6698bf
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 128c92ba5804fbe00d84e840314d5ccf94f438702c4a11c4e6fb2d9aa9eb6c0a
[INFO] running `Command { std: "docker" "start" "-a" "128c92ba5804fbe00d84e840314d5ccf94f438702c4a11c4e6fb2d9aa9eb6c0a", 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 1.54s
[INFO] running `Command { std: "docker" "inspect" "128c92ba5804fbe00d84e840314d5ccf94f438702c4a11c4e6fb2d9aa9eb6c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128c92ba5804fbe00d84e840314d5ccf94f438702c4a11c4e6fb2d9aa9eb6c0a", kill_on_drop: false }`
[INFO] [stdout] 128c92ba5804fbe00d84e840314d5ccf94f438702c4a11c4e6fb2d9aa9eb6c0a
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2f9097a414a9cb3a8c6c393b2b2d770c667a2540a2b737a7b5c6c81c96d2139
[INFO] running `Command { std: "docker" "start" "-a" "b2f9097a414a9cb3a8c6c393b2b2d770c667a2540a2b737a7b5c6c81c96d2139", 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 0.47s
[INFO] running `Command { std: "docker" "inspect" "b2f9097a414a9cb3a8c6c393b2b2d770c667a2540a2b737a7b5c6c81c96d2139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f9097a414a9cb3a8c6c393b2b2d770c667a2540a2b737a7b5c6c81c96d2139", kill_on_drop: false }`
[INFO] [stdout] b2f9097a414a9cb3a8c6c393b2b2d770c667a2540a2b737a7b5c6c81c96d2139
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 627dffd387692ca74999a08684310e8f5de0e04300f4db6a570bef6e94ac35b9
[INFO] running `Command { std: "docker" "start" "-a" "627dffd387692ca74999a08684310e8f5de0e04300f4db6a570bef6e94ac35b9", kill_on_drop: false }`
[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 0.06s
[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" "627dffd387692ca74999a08684310e8f5de0e04300f4db6a570bef6e94ac35b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627dffd387692ca74999a08684310e8f5de0e04300f4db6a570bef6e94ac35b9", kill_on_drop: false }`
[INFO] [stdout] 627dffd387692ca74999a08684310e8f5de0e04300f4db6a570bef6e94ac35b9