[INFO] cloning repository https://github.com/superosku/rubics-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/superosku/rubics-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperosku%2Frubics-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperosku%2Frubics-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fd96f6efa9ccdbdbea093b9b6700d0947ca5c01
[INFO] checking superosku/rubics-solver against master#7c4ac0603e9ee5295bc802c90575391288a69a8a for pr-124728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperosku%2Frubics-solver" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/superosku/rubics-solver on toolchain 7c4ac0603e9ee5295bc802c90575391288a69a8a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/superosku/rubics-solver
[INFO] finished tweaking git repo https://github.com/superosku/rubics-solver
[INFO] tweaked toml for git repo https://github.com/superosku/rubics-solver written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/superosku/rubics-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f064a00a193705f6445b2d5a831c189595e43f23ad402ea126a8422ff2da0db
[INFO] running `Command { std: "docker" "start" "-a" "4f064a00a193705f6445b2d5a831c189595e43f23ad402ea126a8422ff2da0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f064a00a193705f6445b2d5a831c189595e43f23ad402ea126a8422ff2da0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f064a00a193705f6445b2d5a831c189595e43f23ad402ea126a8422ff2da0db", kill_on_drop: false }`
[INFO] [stdout] 4f064a00a193705f6445b2d5a831c189595e43f23ad402ea126a8422ff2da0db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ff7d42ad62e3215f0f2b4aaf726043e3865cbbd3b672846491063a09f177f51
[INFO] running `Command { std: "docker" "start" "-a" "9ff7d42ad62e3215f0f2b4aaf726043e3865cbbd3b672846491063a09f177f51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rustix v0.38.11
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rubics-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]  --> src/cube.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use colored::Colorize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]  --> src/cube.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use colored::Colorize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hash_collisions` is assigned to, but never used
[INFO] [stdout]    --> src/cube.rs:607:13
[INFO] [stdout]     |
[INFO] [stdout] 607 |     let mut hash_collisions = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_hash_collisions` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hash_collisions` is assigned to, but never used
[INFO] [stdout]    --> src/cube.rs:607:13
[INFO] [stdout]     |
[INFO] [stdout] 607 |     let mut hash_collisions = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_hash_collisions` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rotations`
[INFO] [stdout]    --> src/cube.rs:610:13
[INFO] [stdout]     |
[INFO] [stdout] 610 |         let rotations = cube.get_rotations();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rotations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rotations`
[INFO] [stdout]    --> src/cube.rs:610:13
[INFO] [stdout]     |
[INFO] [stdout] 610 |         let rotations = cube.get_rotations();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rotations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "9ff7d42ad62e3215f0f2b4aaf726043e3865cbbd3b672846491063a09f177f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff7d42ad62e3215f0f2b4aaf726043e3865cbbd3b672846491063a09f177f51", kill_on_drop: false }`
[INFO] [stdout] 9ff7d42ad62e3215f0f2b4aaf726043e3865cbbd3b672846491063a09f177f51