[INFO] cloning repository https://github.com/RubikCubed/cube-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RubikCubed/cube-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRubikCubed%2Fcube-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRubikCubed%2Fcube-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9160c95bd5ef2559886468cac6ef6d2d4b16375
[INFO] checking RubikCubed/cube-solver against master#42b384ec0dfcd528d99a4db0a337d9188a9eecaa for pr-133502-16
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRubikCubed%2Fcube-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] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/RubikCubed/cube-solver
[INFO] finished tweaking git repo https://github.com/RubikCubed/cube-solver
[INFO] tweaked toml for git repo https://github.com/RubikCubed/cube-solver written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RubikCubed/cube-solver on toolchain 42b384ec0dfcd528d99a4db0a337d9188a9eecaa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RubikCubed/cube-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" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f92e4f39529347e1cdb772910d61114224564bac12884296ec18310274334a3
[INFO] running `Command { std: "docker" "start" "-a" "6f92e4f39529347e1cdb772910d61114224564bac12884296ec18310274334a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f92e4f39529347e1cdb772910d61114224564bac12884296ec18310274334a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f92e4f39529347e1cdb772910d61114224564bac12884296ec18310274334a3", kill_on_drop: false }`
[INFO] [stdout] 6f92e4f39529347e1cdb772910d61114224564bac12884296ec18310274334a3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 077d9fe10253e7d79e8f876b6100f8ac150e87821a370b40e1309e73d5b66551
[INFO] running `Command { std: "docker" "start" "-a" "077d9fe10253e7d79e8f876b6100f8ac150e87821a370b40e1309e73d5b66551", kill_on_drop: false }`
[INFO] [stderr]     Checking colored v3.0.0
[INFO] [stderr]     Checking cube-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SUPERFLIP` is never used
[INFO] [stdout]    --> src/cube.rs:230:11
[INFO] [stdout]     |
[INFO] [stdout] 230 | pub const SUPERFLIP: Cube = Cube {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ZeroBound` is never constructed
[INFO] [stdout]  --> src/heuristics.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ZeroBound;
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EOBound` is never constructed
[INFO] [stdout]   --> src/heuristics.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct EOBound;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EO` is never constructed
[INFO] [stdout]    --> src/pruning_table.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct EO;
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ZeroBound` is never constructed
[INFO] [stdout]  --> src/heuristics.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ZeroBound;
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EOBound` is never constructed
[INFO] [stdout]   --> src/heuristics.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct EOBound;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EO` is never constructed
[INFO] [stdout]    --> src/pruning_table.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct EO;
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "077d9fe10253e7d79e8f876b6100f8ac150e87821a370b40e1309e73d5b66551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077d9fe10253e7d79e8f876b6100f8ac150e87821a370b40e1309e73d5b66551", kill_on_drop: false }`
[INFO] [stdout] 077d9fe10253e7d79e8f876b6100f8ac150e87821a370b40e1309e73d5b66551