Dec 18 02:00:27.849 INFO checking cstorey/gll-experiments against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 02:00:27.849 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:00:28.349 INFO [stdout] 7837dbb5fc84dbdb15350cd9dee5bdd25d5597bc89bc95a593c05dfdb53c7a1e
Dec 18 02:00:28.351 INFO running `"docker" "start" "-a" "7837dbb5fc84dbdb15350cd9dee5bdd25d5597bc89bc95a593c05dfdb53c7a1e"`
Dec 18 02:00:29.879 INFO [stderr]     Checking gll-examples v0.1.0 (/opt/crater/workdir)
Dec 18 02:00:30.476 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:00:30.476 INFO [stderr]    --> src/main.rs:102:17
Dec 18 02:00:30.476 INFO [stderr]     |
Dec 18 02:00:30.476 INFO [stderr] 102 |             let mut fromv = self.gss.entry(v).or_insert_with(BTreeSet::new);
Dec 18 02:00:30.476 INFO [stderr]     |                 ----^^^^^
Dec 18 02:00:30.476 INFO [stderr]     |                 |
Dec 18 02:00:30.476 INFO [stderr]     |                 help: remove this `mut`
Dec 18 02:00:30.476 INFO [stderr]     |
Dec 18 02:00:30.476 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 02:00:30.476 INFO [stderr] 
Dec 18 02:00:30.504 INFO [stderr] warning: type alias is never used: `Stack`
Dec 18 02:00:30.504 INFO [stderr]   --> src/main.rs:42:1
Dec 18 02:00:30.504 INFO [stderr]    |
Dec 18 02:00:30.504 INFO [stderr] 42 | type Stack = VecDeque<Extlbl>;
Dec 18 02:00:30.504 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:00:30.504 INFO [stderr]    |
Dec 18 02:00:30.504 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:00:30.504 INFO [stderr] 
Dec 18 02:00:30.685 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:00:30.685 INFO [stderr]    --> src/main.rs:102:17
Dec 18 02:00:30.685 INFO [stderr]     |
Dec 18 02:00:30.685 INFO [stderr] 102 |             let mut fromv = self.gss.entry(v).or_insert_with(BTreeSet::new);
Dec 18 02:00:30.685 INFO [stderr]     |                 ----^^^^^
Dec 18 02:00:30.685 INFO [stderr]     |                 |
Dec 18 02:00:30.685 INFO [stderr]     |                 help: remove this `mut`
Dec 18 02:00:30.685 INFO [stderr]     |
Dec 18 02:00:30.685 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 02:00:30.685 INFO [stderr] 
Dec 18 02:00:30.700 INFO [stderr] warning: type alias is never used: `Stack`
Dec 18 02:00:30.700 INFO [stderr]   --> src/main.rs:42:1
Dec 18 02:00:30.700 INFO [stderr]    |
Dec 18 02:00:30.700 INFO [stderr] 42 | type Stack = VecDeque<Extlbl>;
Dec 18 02:00:30.700 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:00:30.700 INFO [stderr]    |
Dec 18 02:00:30.700 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:00:30.700 INFO [stderr] 
Dec 18 02:00:30.760 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 18 02:00:31.608 INFO running `"docker" "inspect" "7837dbb5fc84dbdb15350cd9dee5bdd25d5597bc89bc95a593c05dfdb53c7a1e"`
Dec 18 02:00:31.940 INFO running `"docker" "rm" "-f" "7837dbb5fc84dbdb15350cd9dee5bdd25d5597bc89bc95a593c05dfdb53c7a1e"`
Dec 18 02:00:32.272 INFO [stdout] 7837dbb5fc84dbdb15350cd9dee5bdd25d5597bc89bc95a593c05dfdb53c7a1e