Dec 18 11:07:52.794 INFO checking slr_parser-0.0.17 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:07:52.794 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/slr_parser/0.0.17:/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 11:07:53.072 INFO [stdout] 88d3e95e67acdd6463de747eeb491a4341b1e44b5058a291c2d4c6bf8303ed0e
Dec 18 11:07:53.075 INFO running `"docker" "start" "-a" "88d3e95e67acdd6463de747eeb491a4341b1e44b5058a291c2d4c6bf8303ed0e"`
Dec 18 11:07:54.040 INFO [stderr]     Checking slr_parser v0.0.17 (/opt/crater/workdir)
Dec 18 11:07:54.477 INFO [stderr] warning: unreachable expression
Dec 18 11:07:54.478 INFO [stderr]    --> src/parser.rs:170:12
Dec 18 11:07:54.478 INFO [stderr]     |
Dec 18 11:07:54.478 INFO [stderr] 170 |               None => return $err
Dec 18 11:07:54.478 INFO [stderr]     |                       ^^^^^^
Dec 18 11:07:54.478 INFO [stderr] ...
Dec 18 11:07:54.478 INFO [stderr] 364 |               let token = try_eof!(self.lexer.cur_token,
Dec 18 11:07:54.478 INFO [stderr]     |  _________________________-
Dec 18 11:07:54.478 INFO [stderr] 365 | |                                  match last_span
Dec 18 11:07:54.478 INFO [stderr] 366 | |                                  {
Dec 18 11:07:54.478 INFO [stderr] 367 | |                                      Some(span) =>
Dec 18 11:07:54.478 INFO [stderr] ...   |
Dec 18 11:07:54.478 INFO [stderr] 371 | |                                      None => return Ok(false),
Dec 18 11:07:54.478 INFO [stderr] 372 | |                                  });
Dec 18 11:07:54.478 INFO [stderr]     | |___________________________________- in this macro invocation
Dec 18 11:07:54.478 INFO [stderr]     |
Dec 18 11:07:54.478 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 18 11:07:54.478 INFO [stderr] 
Dec 18 11:07:54.540 INFO [stderr] warning: unreachable expression
Dec 18 11:07:54.540 INFO [stderr]    --> src/parser.rs:170:12
Dec 18 11:07:54.540 INFO [stderr]     |
Dec 18 11:07:54.540 INFO [stderr] 170 |               None => return $err
Dec 18 11:07:54.540 INFO [stderr]     |                       ^^^^^^
Dec 18 11:07:54.540 INFO [stderr] ...
Dec 18 11:07:54.540 INFO [stderr] 364 |               let token = try_eof!(self.lexer.cur_token,
Dec 18 11:07:54.541 INFO [stderr]     |  _________________________-
Dec 18 11:07:54.541 INFO [stderr] 365 | |                                  match last_span
Dec 18 11:07:54.541 INFO [stderr] 366 | |                                  {
Dec 18 11:07:54.541 INFO [stderr] 367 | |                                      Some(span) =>
Dec 18 11:07:54.541 INFO [stderr] ...   |
Dec 18 11:07:54.541 INFO [stderr] 371 | |                                      None => return Ok(false),
Dec 18 11:07:54.541 INFO [stderr] 372 | |                                  });
Dec 18 11:07:54.541 INFO [stderr]     | |___________________________________- in this macro invocation
Dec 18 11:07:54.541 INFO [stderr]     |
Dec 18 11:07:54.541 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 18 11:07:54.541 INFO [stderr] 
Dec 18 11:07:54.855 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 18 11:07:55.165 INFO running `"docker" "inspect" "88d3e95e67acdd6463de747eeb491a4341b1e44b5058a291c2d4c6bf8303ed0e"`
Dec 18 11:07:55.313 INFO running `"docker" "rm" "-f" "88d3e95e67acdd6463de747eeb491a4341b1e44b5058a291c2d4c6bf8303ed0e"`
Dec 18 11:07:55.398 INFO [stdout] 88d3e95e67acdd6463de747eeb491a4341b1e44b5058a291c2d4c6bf8303ed0e