[INFO] cloning repository https://github.com/seven1m/puzzlecube
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seven1m/puzzlecube" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseven1m%2Fpuzzlecube", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseven1m%2Fpuzzlecube'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2adfd500b7f3d1c9031866a7f21f2649aff24b61
[INFO] testing seven1m/puzzlecube against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseven1m%2Fpuzzlecube" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seven1m/puzzlecube on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seven1m/puzzlecube
[INFO] finished tweaking git repo https://github.com/seven1m/puzzlecube
[INFO] tweaked toml for git repo https://github.com/seven1m/puzzlecube written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/seven1m/puzzlecube already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2944c48938ad14741941546037cdadb630f71a3dca07dfc097e2e2c1be5e4fb2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2944c48938ad14741941546037cdadb630f71a3dca07dfc097e2e2c1be5e4fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2944c48938ad14741941546037cdadb630f71a3dca07dfc097e2e2c1be5e4fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2944c48938ad14741941546037cdadb630f71a3dca07dfc097e2e2c1be5e4fb2", kill_on_drop: false }`
[INFO] [stdout] 2944c48938ad14741941546037cdadb630f71a3dca07dfc097e2e2c1be5e4fb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36637a1b30413e210e9f8b5fd3a232f5ae83b288f0eb088c2bdd954120416377
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36637a1b30413e210e9f8b5fd3a232f5ae83b288f0eb088c2bdd954120416377", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzlecube v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cube::*`
[INFO] [stdout]  --> src/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cube::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_test_pattern`
[INFO] [stdout]   --> src/cube.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn new_with_test_pattern() -> Cube {
[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: `up_color`
[INFO] [stdout]   --> src/cube.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn up_color(&self) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `down_color`
[INFO] [stdout]    --> src/cube.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn down_color(&self) -> Color {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `front_color`
[INFO] [stdout]    --> src/cube.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn front_color(&self) -> Color {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `back_color`
[INFO] [stdout]    --> src/cube.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn back_color(&self) -> Color {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `left_color`
[INFO] [stdout]    --> src/cube.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn left_color(&self) -> Color {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `right_color`
[INFO] [stdout]    --> src/cube.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn right_color(&self) -> Color {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scramble`
[INFO] [stdout]    --> src/cube.rs:401:12
[INFO] [stdout]     |
[INFO] [stdout] 401 |     pub fn scramble(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `orient`
[INFO] [stdout]    --> src/cube.rs:434:12
[INFO] [stdout]     |
[INFO] [stdout] 434 |     pub fn orient(&mut self, up: Color, front: Color) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "36637a1b30413e210e9f8b5fd3a232f5ae83b288f0eb088c2bdd954120416377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36637a1b30413e210e9f8b5fd3a232f5ae83b288f0eb088c2bdd954120416377", kill_on_drop: false }`
[INFO] [stdout] 36637a1b30413e210e9f8b5fd3a232f5ae83b288f0eb088c2bdd954120416377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1db11005dc0800b54d1daccac7ebb4fd3c4f450061ccbf6ba13d44c6f3e7e15
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b1db11005dc0800b54d1daccac7ebb4fd3c4f450061ccbf6ba13d44c6f3e7e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzlecube v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "b1db11005dc0800b54d1daccac7ebb4fd3c4f450061ccbf6ba13d44c6f3e7e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1db11005dc0800b54d1daccac7ebb4fd3c4f450061ccbf6ba13d44c6f3e7e15", kill_on_drop: false }`
[INFO] [stdout] b1db11005dc0800b54d1daccac7ebb4fd3c4f450061ccbf6ba13d44c6f3e7e15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b07bcb6e7e7d46daaf907e44fb001b1f6c73946844d315dd42fa4f6f3dc63be3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b07bcb6e7e7d46daaf907e44fb001b1f6c73946844d315dd42fa4f6f3dc63be3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/puzzlecube-d04288c7b8515415)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::it_can_rotate_green_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_white_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_white_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_blue_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_red_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_red_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_yellow_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_orange_clockwise ... ok
[INFO] [stdout] test tests::it_can_orient ... ok
[INFO] [stdout] test tests::it_can_rotate_orange_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_green_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_blue_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_yellow_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_scramble ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b07bcb6e7e7d46daaf907e44fb001b1f6c73946844d315dd42fa4f6f3dc63be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07bcb6e7e7d46daaf907e44fb001b1f6c73946844d315dd42fa4f6f3dc63be3", kill_on_drop: false }`
[INFO] [stdout] b07bcb6e7e7d46daaf907e44fb001b1f6c73946844d315dd42fa4f6f3dc63be3