Dec 19 20:57:11.784 INFO checking agatan/signpostc against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:57:11.784 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:57:12.055 INFO [stdout] 1baefc0462d97363ae13f6c91c091afef924fc4da081b9928c931889dc5534bf
Dec 19 20:57:12.058 INFO running `"docker" "start" "-a" "1baefc0462d97363ae13f6c91c091afef924fc4da081b9928c931889dc5534bf"`
Dec 19 20:57:12.677 INFO [stderr]     Checking signpostc_syntax v0.1.0 (/opt/crater/workdir/syntax)
Dec 19 20:57:13.668 INFO [stderr] warning: method is never used: `look_ahead`
Dec 19 20:57:13.668 INFO [stderr]    --> syntax/src/parser.rs:133:5
Dec 19 20:57:13.668 INFO [stderr]     |
Dec 19 20:57:13.668 INFO [stderr] 133 | /     fn look_ahead<F, R>(&mut self, dist: usize, f: F) -> R
Dec 19 20:57:13.668 INFO [stderr] 134 | |         where F: FnOnce(&Token) -> R
Dec 19 20:57:13.668 INFO [stderr] 135 | |     {
Dec 19 20:57:13.668 INFO [stderr] 136 | |         debug_assert!(0 < dist && dist < 4);
Dec 19 20:57:13.668 INFO [stderr] ...   |
Dec 19 20:57:13.668 INFO [stderr] 141 | |         f(&self.lookahead_buffer.buf[dist])
Dec 19 20:57:13.668 INFO [stderr] 142 | |     }
Dec 19 20:57:13.668 INFO [stderr]     | |_____^
Dec 19 20:57:13.668 INFO [stderr]     |
Dec 19 20:57:13.668 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 20:57:13.668 INFO [stderr] 
Dec 19 20:57:13.748 INFO [stderr]     Checking signpostc v0.1.0 (/opt/crater/workdir)
Dec 19 20:57:14.208 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Dec 19 20:57:14.834 INFO running `"docker" "inspect" "1baefc0462d97363ae13f6c91c091afef924fc4da081b9928c931889dc5534bf"`
Dec 19 20:57:15.204 INFO running `"docker" "rm" "-f" "1baefc0462d97363ae13f6c91c091afef924fc4da081b9928c931889dc5534bf"`
Dec 19 20:57:15.496 INFO [stdout] 1baefc0462d97363ae13f6c91c091afef924fc4da081b9928c931889dc5534bf