[INFO] updating cached repository czipperz/rubick
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/czipperz/rubick
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/czipperz/rubick" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/czipperz/rubick"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/czipperz/rubick'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/czipperz/rubick" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/czipperz/rubick"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/czipperz/rubick'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e287b723bc2ebd94a844d9aec4c7af605dad81e
[INFO] sha for GitHub repo czipperz/rubick: 7e287b723bc2ebd94a844d9aec4c7af605dad81e
[INFO] validating manifest of czipperz/rubick on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of czipperz/rubick on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing czipperz/rubick
[INFO] finished frobbing czipperz/rubick
[INFO] frobbed toml for czipperz/rubick written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/czipperz/rubick/Cargo.toml
[INFO] started frobbing czipperz/rubick
[INFO] finished frobbing czipperz/rubick
[INFO] frobbed toml for czipperz/rubick written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/czipperz/rubick/Cargo.toml
[INFO] crate czipperz/rubick already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking czipperz/rubick against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/czipperz/rubick:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e4f6b81825f32db061606b103422a0de0e2479bc14bb46145b4e39085b0e4031
[INFO] running `"docker" "start" "-a" "e4f6b81825f32db061606b103422a0de0e2479bc14bb46145b4e39085b0e4031"`
[INFO] [stderr]     Checking rubick v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `rotate_random`
[INFO] [stderr]    --> src/cube.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn rotate_random(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `num_bottom_solved`
[INFO] [stderr]  --> src/predicates.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn num_bottom_solved(cube: &Cube) -> usize {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_random`
[INFO] [stderr]    --> src/cube.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn rotate_random(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "e4f6b81825f32db061606b103422a0de0e2479bc14bb46145b4e39085b0e4031"`
[INFO] running `"docker" "rm" "-f" "e4f6b81825f32db061606b103422a0de0e2479bc14bb46145b4e39085b0e4031"`
[INFO] [stdout] e4f6b81825f32db061606b103422a0de0e2479bc14bb46145b4e39085b0e4031