Dec 19 14:58:29.223 INFO checking jonny7/rust-references against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:58:29.223 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jonny7/rust-references:/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 14:58:29.628 INFO [stdout] 46e8349a4653282e4d9ded12e101d91259a22d7daf15f4d9bbe1b15823e40f39
Dec 19 14:58:29.632 INFO running `"docker" "start" "-a" "46e8349a4653282e4d9ded12e101d91259a22d7daf15f4d9bbe1b15823e40f39"`
Dec 19 14:58:31.588 INFO [stderr]     Checking references v0.1.0 (/opt/crater/workdir)
Dec 19 14:58:31.869 INFO [stderr] warning: unused variable: `r1`
Dec 19 14:58:31.869 INFO [stderr]   --> src/main.rs:23:13
Dec 19 14:58:31.869 INFO [stderr]    |
Dec 19 14:58:31.869 INFO [stderr] 23 |         let r1 = &mut t;
Dec 19 14:58:31.869 INFO [stderr]    |             ^^ help: consider using `_r1` instead
Dec 19 14:58:31.869 INFO [stderr]    |
Dec 19 14:58:31.869 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:58:31.869 INFO [stderr] 
Dec 19 14:58:31.869 INFO [stderr] warning: unused variable: `r2`
Dec 19 14:58:31.869 INFO [stderr]   --> src/main.rs:27:9
Dec 19 14:58:31.869 INFO [stderr]    |
Dec 19 14:58:31.869 INFO [stderr] 27 |     let r2 = &mut t;
Dec 19 14:58:31.869 INFO [stderr]    |         ^^ help: consider using `_r2` instead
Dec 19 14:58:31.869 INFO [stderr] 
Dec 19 14:58:31.928 INFO [stderr] warning: unused variable: `r1`
Dec 19 14:58:31.928 INFO [stderr]   --> src/main.rs:23:13
Dec 19 14:58:31.928 INFO [stderr]    |
Dec 19 14:58:31.928 INFO [stderr] 23 |         let r1 = &mut t;
Dec 19 14:58:31.928 INFO [stderr]    |             ^^ help: consider using `_r1` instead
Dec 19 14:58:31.928 INFO [stderr]    |
Dec 19 14:58:31.928 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:58:31.928 INFO [stderr] 
Dec 19 14:58:31.928 INFO [stderr] warning: unused variable: `r2`
Dec 19 14:58:31.929 INFO [stderr]   --> src/main.rs:27:9
Dec 19 14:58:31.929 INFO [stderr]    |
Dec 19 14:58:31.929 INFO [stderr] 27 |     let r2 = &mut t;
Dec 19 14:58:31.929 INFO [stderr]    |         ^^ help: consider using `_r2` instead
Dec 19 14:58:31.929 INFO [stderr] 
Dec 19 14:58:31.951 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Dec 19 14:58:32.592 INFO running `"docker" "inspect" "46e8349a4653282e4d9ded12e101d91259a22d7daf15f4d9bbe1b15823e40f39"`
Dec 19 14:58:32.842 INFO running `"docker" "rm" "-f" "46e8349a4653282e4d9ded12e101d91259a22d7daf15f4d9bbe1b15823e40f39"`
Dec 19 14:58:33.128 INFO [stdout] 46e8349a4653282e4d9ded12e101d91259a22d7daf15f4d9bbe1b15823e40f39