[INFO] crate slr_parser 0.0.17 is already in cache
[INFO] extracting crate slr_parser 0.0.17 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/slr_parser/0.0.17
[INFO] extracting crate slr_parser 0.0.17 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/slr_parser/0.0.17
[INFO] validating manifest of slr_parser-0.0.17 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of slr_parser-0.0.17 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing slr_parser-0.0.17
[INFO] removed 0 missing examples
[INFO] finished frobbing slr_parser-0.0.17
[INFO] frobbed toml for slr_parser-0.0.17 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/slr_parser/0.0.17/Cargo.toml
[INFO] started frobbing slr_parser-0.0.17
[INFO] removed 0 missing examples
[INFO] finished frobbing slr_parser-0.0.17
[INFO] frobbed toml for slr_parser-0.0.17 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/slr_parser/0.0.17/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking slr_parser-0.0.17 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-1/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8785d8a6d919439188a6315be47a8254f24677339a79c244f54e31304b96024f
[INFO] running `"docker" "start" "-a" "8785d8a6d919439188a6315be47a8254f24677339a79c244f54e31304b96024f"`
[INFO] [stderr]     Checking slr_parser v0.0.17 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:170:12
[INFO] [stderr]     |
[INFO] [stderr] 170 |               None => return $err
[INFO] [stderr]     |                       ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 364 |               let token = try_eof!(self.lexer.cur_token,
[INFO] [stderr]     |  _________________________-
[INFO] [stderr] 365 | |                                  match last_span
[INFO] [stderr] 366 | |                                  {
[INFO] [stderr] 367 | |                                      Some(span) =>
[INFO] [stderr] ...   |
[INFO] [stderr] 371 | |                                      None => return Ok(false),
[INFO] [stderr] 372 | |                                  });
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:170:12
[INFO] [stderr]     |
[INFO] [stderr] 170 |               None => return $err
[INFO] [stderr]     |                       ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 364 |               let token = try_eof!(self.lexer.cur_token,
[INFO] [stderr]     |  _________________________-
[INFO] [stderr] 365 | |                                  match last_span
[INFO] [stderr] 366 | |                                  {
[INFO] [stderr] 367 | |                                      Some(span) =>
[INFO] [stderr] ...   |
[INFO] [stderr] 371 | |                                      None => return Ok(false),
[INFO] [stderr] 372 | |                                  });
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "8785d8a6d919439188a6315be47a8254f24677339a79c244f54e31304b96024f"`
[INFO] running `"docker" "rm" "-f" "8785d8a6d919439188a6315be47a8254f24677339a79c244f54e31304b96024f"`
[INFO] [stdout] 8785d8a6d919439188a6315be47a8254f24677339a79c244f54e31304b96024f