Dec 11 20:22:09.449 INFO checking cstorey/gll-experiments against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 20:22:09.449 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 20:22:09.940 INFO [stdout] ad963aafb969d42552a38b58e493ee1ec34f199908404f07b2dd558837f1175f
Dec 11 20:22:09.942 INFO running `"docker" "start" "-a" "ad963aafb969d42552a38b58e493ee1ec34f199908404f07b2dd558837f1175f"`
Dec 11 20:22:12.240 INFO [stderr] usermod: no changes
Dec 11 20:22:12.316 INFO [stderr]     Checking gll-examples v0.1.0 (/source)
Dec 11 20:22:13.380 INFO [stderr] warning: variable does not need to be mutable
Dec 11 20:22:13.380 INFO [stderr]    --> src/main.rs:102:17
Dec 11 20:22:13.380 INFO [stderr]     |
Dec 11 20:22:13.380 INFO [stderr] 102 |             let mut fromv = self.gss.entry(v).or_insert_with(BTreeSet::new);
Dec 11 20:22:13.380 INFO [stderr]     |                 ----^^^^^
Dec 11 20:22:13.380 INFO [stderr]     |                 |
Dec 11 20:22:13.380 INFO [stderr]     |                 help: remove this `mut`
Dec 11 20:22:13.380 INFO [stderr]     |
Dec 11 20:22:13.380 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 20:22:13.380 INFO [stderr] 
Dec 11 20:22:13.404 INFO [stderr] warning: type alias is never used: `Stack`
Dec 11 20:22:13.404 INFO [stderr]   --> src/main.rs:42:1
Dec 11 20:22:13.404 INFO [stderr]    |
Dec 11 20:22:13.404 INFO [stderr] 42 | type Stack = VecDeque<Extlbl>;
Dec 11 20:22:13.404 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:22:13.404 INFO [stderr]    |
Dec 11 20:22:13.404 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 20:22:13.404 INFO [stderr] 
Dec 11 20:22:13.572 INFO [stderr] warning: variable does not need to be mutable
Dec 11 20:22:13.572 INFO [stderr]    --> src/main.rs:102:17
Dec 11 20:22:13.572 INFO [stderr]     |
Dec 11 20:22:13.572 INFO [stderr] 102 |             let mut fromv = self.gss.entry(v).or_insert_with(BTreeSet::new);
Dec 11 20:22:13.572 INFO [stderr]     |                 ----^^^^^
Dec 11 20:22:13.572 INFO [stderr]     |                 |
Dec 11 20:22:13.572 INFO [stderr]     |                 help: remove this `mut`
Dec 11 20:22:13.572 INFO [stderr]     |
Dec 11 20:22:13.572 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 20:22:13.572 INFO [stderr] 
Dec 11 20:22:13.584 INFO [stderr] warning: type alias is never used: `Stack`
Dec 11 20:22:13.584 INFO [stderr]   --> src/main.rs:42:1
Dec 11 20:22:13.584 INFO [stderr]    |
Dec 11 20:22:13.584 INFO [stderr] 42 | type Stack = VecDeque<Extlbl>;
Dec 11 20:22:13.584 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:22:13.584 INFO [stderr]    |
Dec 11 20:22:13.584 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 20:22:13.584 INFO [stderr] 
Dec 11 20:22:13.605 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
Dec 11 20:22:13.607 INFO [stderr] su: No module specific data is present
Dec 11 20:22:14.881 INFO running `"docker" "inspect" "ad963aafb969d42552a38b58e493ee1ec34f199908404f07b2dd558837f1175f"`
Dec 11 20:22:15.204 INFO running `"docker" "rm" "-f" "ad963aafb969d42552a38b58e493ee1ec34f199908404f07b2dd558837f1175f"`
Dec 11 20:22:15.568 INFO [stdout] ad963aafb969d42552a38b58e493ee1ec34f199908404f07b2dd558837f1175f