Dec 18 04:29:08.317 INFO checking agatan/signpostc against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:29:08.317 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/agatan/signpostc:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:29:08.753 INFO [stdout] 5c23de527afcdf6dd084a5b3d54cd99b26bec68fa6d6a8044880ab3216f0e3c0
Dec 18 04:29:08.758 INFO running `"docker" "start" "-a" "5c23de527afcdf6dd084a5b3d54cd99b26bec68fa6d6a8044880ab3216f0e3c0"`
Dec 18 04:29:09.551 INFO [stderr]     Checking signpostc_syntax v0.1.0 (/opt/crater/workdir/syntax)
Dec 18 04:29:10.508 INFO [stderr] warning: method is never used: `look_ahead`
Dec 18 04:29:10.508 INFO [stderr]    --> syntax/src/parser.rs:133:5
Dec 18 04:29:10.508 INFO [stderr]     |
Dec 18 04:29:10.508 INFO [stderr] 133 | /     fn look_ahead<F, R>(&mut self, dist: usize, f: F) -> R
Dec 18 04:29:10.508 INFO [stderr] 134 | |         where F: FnOnce(&Token) -> R
Dec 18 04:29:10.508 INFO [stderr] 135 | |     {
Dec 18 04:29:10.508 INFO [stderr] 136 | |         debug_assert!(0 < dist && dist < 4);
Dec 18 04:29:10.508 INFO [stderr] ...   |
Dec 18 04:29:10.508 INFO [stderr] 141 | |         f(&self.lookahead_buffer.buf[dist])
Dec 18 04:29:10.508 INFO [stderr] 142 | |     }
Dec 18 04:29:10.508 INFO [stderr]     | |_____^
Dec 18 04:29:10.508 INFO [stderr]     |
Dec 18 04:29:10.508 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 04:29:10.508 INFO [stderr] 
Dec 18 04:29:10.580 INFO [stderr]     Checking signpostc v0.1.0 (/opt/crater/workdir)
Dec 18 04:29:11.002 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Dec 18 04:29:11.426 INFO running `"docker" "inspect" "5c23de527afcdf6dd084a5b3d54cd99b26bec68fa6d6a8044880ab3216f0e3c0"`
Dec 18 04:29:11.568 INFO running `"docker" "rm" "-f" "5c23de527afcdf6dd084a5b3d54cd99b26bec68fa6d6a8044880ab3216f0e3c0"`
Dec 18 04:29:11.738 INFO [stdout] 5c23de527afcdf6dd084a5b3d54cd99b26bec68fa6d6a8044880ab3216f0e3c0