Dec 18 13:46:06.863 INFO checking namable_closures-0.2.4 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:46:06.863 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:46:07.138 INFO [stdout] e20fbbf0a51c85692e60c14d09c562508d6f55ca1ec4ba4d00c8fcdb2e278fb4
Dec 18 13:46:07.138 INFO running `"docker" "start" "-a" "e20fbbf0a51c85692e60c14d09c562508d6f55ca1ec4ba4d00c8fcdb2e278fb4"`
Dec 18 13:46:08.199 INFO [stderr]     Checking namable_closures v0.2.4 (/opt/crater/workdir)
Dec 18 13:46:08.504 INFO [stderr] warning: field is never used: `state`
Dec 18 13:46:08.504 INFO [stderr]   --> src/closure_rec.rs:58:5
Dec 18 13:46:08.504 INFO [stderr]    |
Dec 18 13:46:08.504 INFO [stderr] 58 |     state: &'a mut State
Dec 18 13:46:08.504 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 13:46:08.504 INFO [stderr]    |
Dec 18 13:46:08.504 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 13:46:08.504 INFO [stderr] 
Dec 18 13:46:08.569 INFO [stderr] warning: unused import: `ClosureMutRec`
Dec 18 13:46:08.569 INFO [stderr]    --> src/closure_rec.rs:251:34
Dec 18 13:46:08.569 INFO [stderr]     |
Dec 18 13:46:08.569 INFO [stderr] 251 |     use closure_rec::{ClosureRec,ClosureMutRec};
Dec 18 13:46:08.569 INFO [stderr]     |                                  ^^^^^^^^^^^^^
Dec 18 13:46:08.569 INFO [stderr]     |
Dec 18 13:46:08.569 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 13:46:08.569 INFO [stderr] 
Dec 18 13:46:08.569 INFO [stderr] warning: unused import: `StableFnMut`
Dec 18 13:46:08.569 INFO [stderr]    --> src/closure_rec.rs:252:30
Dec 18 13:46:08.569 INFO [stderr]     |
Dec 18 13:46:08.569 INFO [stderr] 252 |     use stable_fn::{StableFn,StableFnMut};
Dec 18 13:46:08.569 INFO [stderr]     |                              ^^^^^^^^^^^
Dec 18 13:46:08.569 INFO [stderr] 
Dec 18 13:46:08.704 INFO [stderr] warning: unused variable: `n`
Dec 18 13:46:08.704 INFO [stderr]    --> src/closure_rec.rs:269:21
Dec 18 13:46:08.704 INFO [stderr]     |
Dec 18 13:46:08.704 INFO [stderr] 269 |                     n => me.call_with_state((i1,i0+i1), (i-1,))
Dec 18 13:46:08.704 INFO [stderr]     |                     ^ help: consider using `_n` instead
Dec 18 13:46:08.704 INFO [stderr]     |
Dec 18 13:46:08.704 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 13:46:08.704 INFO [stderr] 
Dec 18 13:46:08.748 INFO [stderr] warning: field is never used: `state`
Dec 18 13:46:08.748 INFO [stderr]   --> src/closure_rec.rs:58:5
Dec 18 13:46:08.748 INFO [stderr]    |
Dec 18 13:46:08.748 INFO [stderr] 58 |     state: &'a mut State
Dec 18 13:46:08.748 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 13:46:08.748 INFO [stderr]    |
Dec 18 13:46:08.748 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 13:46:08.748 INFO [stderr] 
Dec 18 13:46:08.788 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 18 13:46:09.144 INFO running `"docker" "inspect" "e20fbbf0a51c85692e60c14d09c562508d6f55ca1ec4ba4d00c8fcdb2e278fb4"`
Dec 18 13:46:09.217 INFO running `"docker" "rm" "-f" "e20fbbf0a51c85692e60c14d09c562508d6f55ca1ec4ba4d00c8fcdb2e278fb4"`
Dec 18 13:46:09.359 INFO [stdout] e20fbbf0a51c85692e60c14d09c562508d6f55ca1ec4ba4d00c8fcdb2e278fb4