Dec 18 13:46:06.441 INFO checking namable_closures-0.2.4 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:46:06.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/namable_closures/0.2.4:/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 13:46:06.672 INFO [stdout] f720ab55385adb5f3804af455eed6b9d0a452565263e49cdc61f17023388e7fe
Dec 18 13:46:06.677 INFO running `"docker" "start" "-a" "f720ab55385adb5f3804af455eed6b9d0a452565263e49cdc61f17023388e7fe"`
Dec 18 13:46:07.543 INFO [stderr]     Checking namable_closures v0.2.4 (/opt/crater/workdir)
Dec 18 13:46:07.892 INFO [stderr] warning: unused import: `ClosureMutRec`
Dec 18 13:46:07.892 INFO [stderr]    --> src/closure_rec.rs:251:34
Dec 18 13:46:07.892 INFO [stderr]     |
Dec 18 13:46:07.892 INFO [stderr] 251 |     use closure_rec::{ClosureRec,ClosureMutRec};
Dec 18 13:46:07.892 INFO [stderr]     |                                  ^^^^^^^^^^^^^
Dec 18 13:46:07.892 INFO [stderr]     |
Dec 18 13:46:07.892 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 13:46:07.892 INFO [stderr] 
Dec 18 13:46:07.892 INFO [stderr] warning: unused import: `StableFnMut`
Dec 18 13:46:07.892 INFO [stderr]    --> src/closure_rec.rs:252:30
Dec 18 13:46:07.892 INFO [stderr]     |
Dec 18 13:46:07.892 INFO [stderr] 252 |     use stable_fn::{StableFn,StableFnMut};
Dec 18 13:46:07.892 INFO [stderr]     |                              ^^^^^^^^^^^
Dec 18 13:46:07.892 INFO [stderr] 
Dec 18 13:46:07.908 INFO [stderr] warning: field is never used: `state`
Dec 18 13:46:07.908 INFO [stderr]   --> src/closure_rec.rs:58:5
Dec 18 13:46:07.908 INFO [stderr]    |
Dec 18 13:46:07.908 INFO [stderr] 58 |     state: &'a mut State
Dec 18 13:46:07.908 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 13:46:07.908 INFO [stderr]    |
Dec 18 13:46:07.908 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 13:46:07.908 INFO [stderr] 
Dec 18 13:46:07.997 INFO [stderr] warning: unused variable: `n`
Dec 18 13:46:07.997 INFO [stderr]    --> src/closure_rec.rs:269:21
Dec 18 13:46:07.997 INFO [stderr]     |
Dec 18 13:46:07.997 INFO [stderr] 269 |                     n => me.call_with_state((i1,i0+i1), (i-1,))
Dec 18 13:46:07.997 INFO [stderr]     |                     ^ help: consider using `_n` instead
Dec 18 13:46:07.997 INFO [stderr]     |
Dec 18 13:46:07.997 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 13:46:07.997 INFO [stderr] 
Dec 18 13:46:08.049 INFO [stderr] warning: field is never used: `state`
Dec 18 13:46:08.049 INFO [stderr]   --> src/closure_rec.rs:58:5
Dec 18 13:46:08.049 INFO [stderr]    |
Dec 18 13:46:08.049 INFO [stderr] 58 |     state: &'a mut State
Dec 18 13:46:08.049 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 13:46:08.049 INFO [stderr]    |
Dec 18 13:46:08.049 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 13:46:08.049 INFO [stderr] 
Dec 18 13:46:08.078 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 18 13:46:08.638 INFO running `"docker" "inspect" "f720ab55385adb5f3804af455eed6b9d0a452565263e49cdc61f17023388e7fe"`
Dec 18 13:46:08.910 INFO running `"docker" "rm" "-f" "f720ab55385adb5f3804af455eed6b9d0a452565263e49cdc61f17023388e7fe"`
Dec 18 13:46:09.008 INFO [stdout] f720ab55385adb5f3804af455eed6b9d0a452565263e49cdc61f17023388e7fe