[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#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhlosioneer%2Fpolyomino-generator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Phlosioneer/polyomino-generator on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-12/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinyvec v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bd923f16a511954b88c3cf8e46e94ad357c422aed075b16617f485db1d56b60
[INFO] running `Command { std: "docker" "start" "-a" "8bd923f16a511954b88c3cf8e46e94ad357c422aed075b16617f485db1d56b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd923f16a511954b88c3cf8e46e94ad357c422aed075b16617f485db1d56b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd923f16a511954b88c3cf8e46e94ad357c422aed075b16617f485db1d56b60", kill_on_drop: false }`
[INFO] [stdout] 8bd923f16a511954b88c3cf8e46e94ad357c422aed075b16617f485db1d56b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce43c2392ba1a2817cb360bb68bef9ef2cafa6f3efa2ddffcfa1575a4c9da7b9
[INFO] running `Command { std: "docker" "start" "-a" "ce43c2392ba1a2817cb360bb68bef9ef2cafa6f3efa2ddffcfa1575a4c9da7b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 19.76s
[INFO] running `Command { std: "docker" "inspect" "ce43c2392ba1a2817cb360bb68bef9ef2cafa6f3efa2ddffcfa1575a4c9da7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce43c2392ba1a2817cb360bb68bef9ef2cafa6f3efa2ddffcfa1575a4c9da7b9", kill_on_drop: false }`
[INFO] [stdout] ce43c2392ba1a2817cb360bb68bef9ef2cafa6f3efa2ddffcfa1575a4c9da7b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2551e636e2904365f8ade22fc40cce96a7683bb9ef38e15b823ddd4485b3c1b4
[INFO] running `Command { std: "docker" "start" "-a" "2551e636e2904365f8ade22fc40cce96a7683bb9ef38e15b823ddd4485b3c1b4", 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 1.33s
[INFO] running `Command { std: "docker" "inspect" "2551e636e2904365f8ade22fc40cce96a7683bb9ef38e15b823ddd4485b3c1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2551e636e2904365f8ade22fc40cce96a7683bb9ef38e15b823ddd4485b3c1b4", kill_on_drop: false }`
[INFO] [stdout] 2551e636e2904365f8ade22fc40cce96a7683bb9ef38e15b823ddd4485b3c1b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb1cc5523a7b8004034b8bbb72ca63ec118cda4d181df33d8d9ec09b2d40ce71
[INFO] running `Command { std: "docker" "start" "-a" "cb1cc5523a7b8004034b8bbb72ca63ec118cda4d181df33d8d9ec09b2d40ce71", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `from_index`
[INFO] [stderr]   --> src/symmetry.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn from_index(index: usize) -> Symmetry {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mirror_horizontal`
[INFO] [stderr]   --> src/symmetry.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn mirror_horizontal(mut self) -> Symmetry {
[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: `polyomino-generator` (bin "polyomino-generator" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polyomino_generator-253270eaf7131364)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test polyominos::test::test_coord_sort ... ok
[INFO] [stdout] test polyominos::test::test_flips ... ok
[INFO] [stdout] test polyominos::test::test_to_string ... ok
[INFO] [stdout] test board::test::test_add ... ok
[INFO] [stdout] test board::test::test_solution ... ok
[INFO] [stdout] test board::test::regression_test_solution ... ok
[INFO] [stdout] test polyominos::test::test_comparison ... ok
[INFO] [stdout] test polyominos::test::test_transform ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb1cc5523a7b8004034b8bbb72ca63ec118cda4d181df33d8d9ec09b2d40ce71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1cc5523a7b8004034b8bbb72ca63ec118cda4d181df33d8d9ec09b2d40ce71", kill_on_drop: false }`
[INFO] [stdout] cb1cc5523a7b8004034b8bbb72ca63ec118cda4d181df33d8d9ec09b2d40ce71