[INFO] cloning repository https://github.com/Phlosioneer/polyomino-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Phlosioneer/polyomino-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhlosioneer%2Fpolyomino-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhlosioneer%2Fpolyomino-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b91eeb3f43129deb20c8d844d8da46d8e24b5f6
[INFO] testing Phlosioneer/polyomino-generator against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhlosioneer%2Fpolyomino-generator" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Phlosioneer/polyomino-generator on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Phlosioneer/polyomino-generator
[INFO] finished tweaking git repo https://github.com/Phlosioneer/polyomino-generator
[INFO] tweaked toml for git repo https://github.com/Phlosioneer/polyomino-generator written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Phlosioneer/polyomino-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48793ef371634c8e80c776c9cc76cca0a9a761ec9e11ace6c69c80ddfe8661a0
[INFO] running `Command { std: "docker" "start" "-a" "48793ef371634c8e80c776c9cc76cca0a9a761ec9e11ace6c69c80ddfe8661a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48793ef371634c8e80c776c9cc76cca0a9a761ec9e11ace6c69c80ddfe8661a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48793ef371634c8e80c776c9cc76cca0a9a761ec9e11ace6c69c80ddfe8661a0", kill_on_drop: false }`
[INFO] [stdout] 48793ef371634c8e80c776c9cc76cca0a9a761ec9e11ace6c69c80ddfe8661a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1d423e4739a527017dc218e2b2b75c83f20bb142d32f37ffbbb0bc05c0c3da4
[INFO] running `Command { std: "docker" "start" "-a" "c1d423e4739a527017dc218e2b2b75c83f20bb142d32f37ffbbb0bc05c0c3da4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling polyomino-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_flips`
[INFO] [stdout]   --> src/symmetry.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn from_flips(horizontal: bool, vertical: bool, diagonal: bool) -> Symmetry {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_index`
[INFO] [stdout]   --> src/symmetry.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn from_index(index: usize) -> Symmetry {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mirror_horizontal`
[INFO] [stdout]   --> src/symmetry.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn mirror_horizontal(mut self) -> Symmetry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mirror_vertical`
[INFO] [stdout]   --> src/symmetry.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn mirror_vertical(mut self) -> Symmetry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]   --> src/symmetry.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn rotate(mut self, mut clockwise: i8) -> Symmetry {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "c1d423e4739a527017dc218e2b2b75c83f20bb142d32f37ffbbb0bc05c0c3da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d423e4739a527017dc218e2b2b75c83f20bb142d32f37ffbbb0bc05c0c3da4", kill_on_drop: false }`
[INFO] [stdout] c1d423e4739a527017dc218e2b2b75c83f20bb142d32f37ffbbb0bc05c0c3da4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbdd83aaa78f6a010988e6e0e588279f812da8735aa08321ebcfde25042ab5ab
[INFO] running `Command { std: "docker" "start" "-a" "cbdd83aaa78f6a010988e6e0e588279f812da8735aa08321ebcfde25042ab5ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyomino-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_index`
[INFO] [stdout]   --> src/symmetry.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn from_index(index: usize) -> Symmetry {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mirror_horizontal`
[INFO] [stdout]   --> src/symmetry.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn mirror_horizontal(mut self) -> Symmetry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mirror_vertical`
[INFO] [stdout]   --> src/symmetry.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn mirror_vertical(mut self) -> Symmetry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]   --> src/symmetry.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn rotate(mut self, mut clockwise: i8) -> Symmetry {
[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 1.77s
[INFO] running `Command { std: "docker" "inspect" "cbdd83aaa78f6a010988e6e0e588279f812da8735aa08321ebcfde25042ab5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbdd83aaa78f6a010988e6e0e588279f812da8735aa08321ebcfde25042ab5ab", kill_on_drop: false }`
[INFO] [stdout] cbdd83aaa78f6a010988e6e0e588279f812da8735aa08321ebcfde25042ab5ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7485a5b4543a6ce1f4b57f2bcf2ac3355f419d609b13620c6972a74ee0798bbe
[INFO] running `Command { std: "docker" "start" "-a" "7485a5b4543a6ce1f4b57f2bcf2ac3355f419d609b13620c6972a74ee0798bbe", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `from_index`
[INFO] [stdout] running 8 tests
[INFO] [stderr]   --> src/symmetry.rs:37:12
[INFO] [stdout] test board::test::test_solution ... ok
[INFO] [stderr]    |
[INFO] [stdout] test polyominos::test::test_coord_sort ... ok
[INFO] [stderr] 37 |     pub fn from_index(index: usize) -> Symmetry {
[INFO] [stdout] test board::test::test_add ... ok
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stdout] test polyominos::test::test_flips ... ok
[INFO] [stderr]    |
[INFO] [stdout] test polyominos::test::test_to_string ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test polyominos::test::test_comparison ... ok
[INFO] [stderr] 
[INFO] [stdout] test polyominos::test::test_transform ... ok
[INFO] [stderr] warning: associated function is never used: `mirror_horizontal`
[INFO] [stdout] test board::test::regression_test_solution ... ok
[INFO] [stderr]   --> src/symmetry.rs:58:12
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr] 58 |     pub fn mirror_horizontal(mut self) -> Symmetry {
[INFO] [stdout] 
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mirror_vertical`
[INFO] [stderr]   --> src/symmetry.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn mirror_vertical(mut self) -> Symmetry {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rotate`
[INFO] [stderr]   --> src/symmetry.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn rotate(mut self, mut clockwise: i8) -> Symmetry {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polyomino_generator-b5d7821523161556)
[INFO] running `Command { std: "docker" "inspect" "7485a5b4543a6ce1f4b57f2bcf2ac3355f419d609b13620c6972a74ee0798bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7485a5b4543a6ce1f4b57f2bcf2ac3355f419d609b13620c6972a74ee0798bbe", kill_on_drop: false }`
[INFO] [stdout] 7485a5b4543a6ce1f4b57f2bcf2ac3355f419d609b13620c6972a74ee0798bbe