Dec 19 19:51:28.419 INFO checking binarybana/sudok against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:51:28.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/binarybana/sudok:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:51:28.840 INFO [stdout] b527ba1e0d1bc6d6794f570dec8069fed62870f72627ba3f113f0a42dc2060a3
Dec 19 19:51:28.846 INFO running `"docker" "start" "-a" "b527ba1e0d1bc6d6794f570dec8069fed62870f72627ba3f113f0a42dc2060a3"`
Dec 19 19:51:30.324 INFO [stderr]     Checking env_logger v0.4.3
Dec 19 19:51:31.108 INFO [stderr]     Checking sudok v0.1.0 (/opt/crater/workdir)
Dec 19 19:51:32.164 INFO [stderr] warning: method is never used: `singleton`
Dec 19 19:51:32.164 INFO [stderr]  --> src/bitcube.rs:7:5
Dec 19 19:51:32.164 INFO [stderr]   |
Dec 19 19:51:32.164 INFO [stderr] 7 |     pub fn singleton(val: usize) -> Cell {
Dec 19 19:51:32.164 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:51:32.164 INFO [stderr]   |
Dec 19 19:51:32.164 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 19:51:32.164 INFO [stderr] 
Dec 19 19:51:32.164 INFO [stderr] warning: method is never used: `set`
Dec 19 19:51:32.165 INFO [stderr]   --> src/bitcube.rs:15:5
Dec 19 19:51:32.165 INFO [stderr]    |
Dec 19 19:51:32.165 INFO [stderr] 15 |     pub fn set(&mut self, index: usize) {
Dec 19 19:51:32.165 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:51:32.165 INFO [stderr] 
Dec 19 19:51:32.309 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Dec 19 19:51:33.258 INFO running `"docker" "inspect" "b527ba1e0d1bc6d6794f570dec8069fed62870f72627ba3f113f0a42dc2060a3"`
Dec 19 19:51:33.532 INFO running `"docker" "rm" "-f" "b527ba1e0d1bc6d6794f570dec8069fed62870f72627ba3f113f0a42dc2060a3"`
Dec 19 19:51:33.900 INFO [stdout] b527ba1e0d1bc6d6794f570dec8069fed62870f72627ba3f113f0a42dc2060a3