Dec 19 18:37:29.752 INFO checking cstorey/gll-experiments against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:37:29.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/cstorey/gll-experiments:/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 18:37:30.332 INFO [stdout] d8cbc6d534a86cede565eeccbebc3b11acabfd0676ab3434bbb80bcf9f41b4eb
Dec 19 18:37:30.336 INFO running `"docker" "start" "-a" "d8cbc6d534a86cede565eeccbebc3b11acabfd0676ab3434bbb80bcf9f41b4eb"`
Dec 19 18:37:32.384 INFO [stderr]     Checking gll-examples v0.1.0 (/opt/crater/workdir)
Dec 19 18:37:33.016 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:37:33.016 INFO [stderr]    --> src/main.rs:102:17
Dec 19 18:37:33.016 INFO [stderr]     |
Dec 19 18:37:33.016 INFO [stderr] 102 |             let mut fromv = self.gss.entry(v).or_insert_with(BTreeSet::new);
Dec 19 18:37:33.016 INFO [stderr]     |                 ----^^^^^
Dec 19 18:37:33.016 INFO [stderr]     |                 |
Dec 19 18:37:33.016 INFO [stderr]     |                 help: remove this `mut`
Dec 19 18:37:33.016 INFO [stderr]     |
Dec 19 18:37:33.016 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 18:37:33.016 INFO [stderr] 
Dec 19 18:37:33.024 INFO [stderr] warning: type alias is never used: `Stack`
Dec 19 18:37:33.024 INFO [stderr]   --> src/main.rs:42:1
Dec 19 18:37:33.024 INFO [stderr]    |
Dec 19 18:37:33.024 INFO [stderr] 42 | type Stack = VecDeque<Extlbl>;
Dec 19 18:37:33.024 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:37:33.024 INFO [stderr]    |
Dec 19 18:37:33.024 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:37:33.024 INFO [stderr] 
Dec 19 18:37:33.166 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:37:33.166 INFO [stderr]    --> src/main.rs:102:17
Dec 19 18:37:33.166 INFO [stderr]     |
Dec 19 18:37:33.166 INFO [stderr] 102 |             let mut fromv = self.gss.entry(v).or_insert_with(BTreeSet::new);
Dec 19 18:37:33.166 INFO [stderr]     |                 ----^^^^^
Dec 19 18:37:33.166 INFO [stderr]     |                 |
Dec 19 18:37:33.166 INFO [stderr]     |                 help: remove this `mut`
Dec 19 18:37:33.166 INFO [stderr]     |
Dec 19 18:37:33.166 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 18:37:33.166 INFO [stderr] 
Dec 19 18:37:33.175 INFO [stderr] warning: type alias is never used: `Stack`
Dec 19 18:37:33.175 INFO [stderr]   --> src/main.rs:42:1
Dec 19 18:37:33.175 INFO [stderr]    |
Dec 19 18:37:33.175 INFO [stderr] 42 | type Stack = VecDeque<Extlbl>;
Dec 19 18:37:33.175 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:37:33.175 INFO [stderr]    |
Dec 19 18:37:33.175 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:37:33.175 INFO [stderr] 
Dec 19 18:37:33.214 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Dec 19 18:37:33.770 INFO running `"docker" "inspect" "d8cbc6d534a86cede565eeccbebc3b11acabfd0676ab3434bbb80bcf9f41b4eb"`
Dec 19 18:37:34.044 INFO running `"docker" "rm" "-f" "d8cbc6d534a86cede565eeccbebc3b11acabfd0676ab3434bbb80bcf9f41b4eb"`
Dec 19 18:37:34.336 INFO [stdout] d8cbc6d534a86cede565eeccbebc3b11acabfd0676ab3434bbb80bcf9f41b4eb