[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanlyp%2Frust_rubiks_cube" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bryanlyp/rust_rubiks_cube on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-14/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5657f4d87e0b80f2a26a83589f7cc961da2487979983946c106b4f59c8c68cc
[INFO] running `Command { std: "docker" "start" "-a" "f5657f4d87e0b80f2a26a83589f7cc961da2487979983946c106b4f59c8c68cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5657f4d87e0b80f2a26a83589f7cc961da2487979983946c106b4f59c8c68cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5657f4d87e0b80f2a26a83589f7cc961da2487979983946c106b4f59c8c68cc", kill_on_drop: false }`
[INFO] [stdout] f5657f4d87e0b80f2a26a83589f7cc961da2487979983946c106b4f59c8c68cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b8705c40dbd9ec5881e5affbe864e4f8b49db23c2f850f5200e822ca7bd50e
[INFO] running `Command { std: "docker" "start" "-a" "f9b8705c40dbd9ec5881e5affbe864e4f8b49db23c2f850f5200e822ca7bd50e", 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 4.68s
[INFO] running `Command { std: "docker" "inspect" "f9b8705c40dbd9ec5881e5affbe864e4f8b49db23c2f850f5200e822ca7bd50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b8705c40dbd9ec5881e5affbe864e4f8b49db23c2f850f5200e822ca7bd50e", kill_on_drop: false }`
[INFO] [stdout] f9b8705c40dbd9ec5881e5affbe864e4f8b49db23c2f850f5200e822ca7bd50e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fa705fa8cb93ed660eae9512ab602cc1cda056127924eb136f543ff22cdc7ce
[INFO] running `Command { std: "docker" "start" "-a" "0fa705fa8cb93ed660eae9512ab602cc1cda056127924eb136f543ff22cdc7ce", 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "0fa705fa8cb93ed660eae9512ab602cc1cda056127924eb136f543ff22cdc7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa705fa8cb93ed660eae9512ab602cc1cda056127924eb136f543ff22cdc7ce", kill_on_drop: false }`
[INFO] [stdout] 0fa705fa8cb93ed660eae9512ab602cc1cda056127924eb136f543ff22cdc7ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8193015f9633a05954dfd4254c32471d781c2f0f1d6cb1347751d3e20927556b
[INFO] running `Command { std: "docker" "start" "-a" "8193015f9633a05954dfd4254c32471d781c2f0f1d6cb1347751d3e20927556b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `moves`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/rubiks_cube.rs:117:5
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 117 |     moves: Vec<u8>,
[INFO] [stdout] 
[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-646a925911f3385c)
[INFO] running `Command { std: "docker" "inspect" "8193015f9633a05954dfd4254c32471d781c2f0f1d6cb1347751d3e20927556b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8193015f9633a05954dfd4254c32471d781c2f0f1d6cb1347751d3e20927556b", kill_on_drop: false }`
[INFO] [stdout] 8193015f9633a05954dfd4254c32471d781c2f0f1d6cb1347751d3e20927556b