[INFO] cloning repository https://github.com/bryanlyp/rust_rubiks_cube
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bryanlyp/rust_rubiks_cube" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanlyp%2Frust_rubiks_cube", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanlyp%2Frust_rubiks_cube'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de3eacb46e1418c360dc18e55f27f26efd4b54a8
[INFO] testing bryanlyp/rust_rubiks_cube against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanlyp%2Frust_rubiks_cube" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bryanlyp/rust_rubiks_cube on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bryanlyp/rust_rubiks_cube
[INFO] finished tweaking git repo https://github.com/bryanlyp/rust_rubiks_cube
[INFO] tweaked toml for git repo https://github.com/bryanlyp/rust_rubiks_cube written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bryanlyp/rust_rubiks_cube already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dab6d49db4521a67a5bd1a746e46687a7738378eca90f7cd85ac01c7deb7e2e
[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" "9dab6d49db4521a67a5bd1a746e46687a7738378eca90f7cd85ac01c7deb7e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dab6d49db4521a67a5bd1a746e46687a7738378eca90f7cd85ac01c7deb7e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dab6d49db4521a67a5bd1a746e46687a7738378eca90f7cd85ac01c7deb7e2e", kill_on_drop: false }`
[INFO] [stdout] 9dab6d49db4521a67a5bd1a746e46687a7738378eca90f7cd85ac01c7deb7e2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b91aaa9f4e699eea3a802f7d3f56a174eba1b492b9eb60c87f0733897ecc53f5
[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" "b91aaa9f4e699eea3a802f7d3f56a174eba1b492b9eb60c87f0733897ecc53f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rubiks_cube v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `moves`
[INFO] [stdout]    --> src/rubiks_cube.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     moves: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "b91aaa9f4e699eea3a802f7d3f56a174eba1b492b9eb60c87f0733897ecc53f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91aaa9f4e699eea3a802f7d3f56a174eba1b492b9eb60c87f0733897ecc53f5", kill_on_drop: false }`
[INFO] [stdout] b91aaa9f4e699eea3a802f7d3f56a174eba1b492b9eb60c87f0733897ecc53f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 699770c2058d528cc26c8791fe99178c8b580e3e8a43a4a0c82c283f1401320e
[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" "699770c2058d528cc26c8791fe99178c8b580e3e8a43a4a0c82c283f1401320e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubiks_cube v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `moves`
[INFO] [stdout]    --> src/rubiks_cube.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     moves: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "699770c2058d528cc26c8791fe99178c8b580e3e8a43a4a0c82c283f1401320e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699770c2058d528cc26c8791fe99178c8b580e3e8a43a4a0c82c283f1401320e", kill_on_drop: false }`
[INFO] [stdout] 699770c2058d528cc26c8791fe99178c8b580e3e8a43a4a0c82c283f1401320e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19e85598b3e767508a854aaa56b7f3774117d90d0235e08d226143e56a57727f
[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" "19e85598b3e767508a854aaa56b7f3774117d90d0235e08d226143e56a57727f", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `moves`
[INFO] [stderr]    --> src/rubiks_cube.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     moves: Vec<u8>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rubiks_cube` (bin "rubiks_cube" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rubiks_cube-5781ef50b48da41b)
[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" "19e85598b3e767508a854aaa56b7f3774117d90d0235e08d226143e56a57727f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e85598b3e767508a854aaa56b7f3774117d90d0235e08d226143e56a57727f", kill_on_drop: false }`
[INFO] [stdout] 19e85598b3e767508a854aaa56b7f3774117d90d0235e08d226143e56a57727f