Dec 17 22:06:47.099 INFO checking jonny7/rust-references against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:06:47.100 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:06:47.366 INFO [stdout] 0c5382f96749e4bea832ca0f4148f3d412fd86648b0b89b44829b1e4350df5df
Dec 17 22:06:47.368 INFO running `"docker" "start" "-a" "0c5382f96749e4bea832ca0f4148f3d412fd86648b0b89b44829b1e4350df5df"`
Dec 17 22:06:48.236 INFO [stderr]     Checking references v0.1.0 (/opt/crater/workdir)
Dec 17 22:06:48.420 INFO [stderr] warning: unused variable: `r1`
Dec 17 22:06:48.420 INFO [stderr]   --> src/main.rs:23:13
Dec 17 22:06:48.420 INFO [stderr]    |
Dec 17 22:06:48.420 INFO [stderr] 23 |         let r1 = &mut t;
Dec 17 22:06:48.420 INFO [stderr]    |             ^^ help: consider using `_r1` instead
Dec 17 22:06:48.420 INFO [stderr]    |
Dec 17 22:06:48.420 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:06:48.420 INFO [stderr] 
Dec 17 22:06:48.420 INFO [stderr] warning: unused variable: `r2`
Dec 17 22:06:48.420 INFO [stderr]   --> src/main.rs:27:9
Dec 17 22:06:48.420 INFO [stderr]    |
Dec 17 22:06:48.420 INFO [stderr] 27 |     let r2 = &mut t;
Dec 17 22:06:48.420 INFO [stderr]    |         ^^ help: consider using `_r2` instead
Dec 17 22:06:48.420 INFO [stderr] 
Dec 17 22:06:48.434 INFO [stderr] warning: unused variable: `r1`
Dec 17 22:06:48.434 INFO [stderr]   --> src/main.rs:23:13
Dec 17 22:06:48.434 INFO [stderr]    |
Dec 17 22:06:48.434 INFO [stderr] 23 |         let r1 = &mut t;
Dec 17 22:06:48.434 INFO [stderr]    |             ^^ help: consider using `_r1` instead
Dec 17 22:06:48.434 INFO [stderr]    |
Dec 17 22:06:48.434 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:06:48.435 INFO [stderr] 
Dec 17 22:06:48.435 INFO [stderr] warning: unused variable: `r2`
Dec 17 22:06:48.435 INFO [stderr]   --> src/main.rs:27:9
Dec 17 22:06:48.435 INFO [stderr]    |
Dec 17 22:06:48.435 INFO [stderr] 27 |     let r2 = &mut t;
Dec 17 22:06:48.435 INFO [stderr]    |         ^^ help: consider using `_r2` instead
Dec 17 22:06:48.435 INFO [stderr] 
Dec 17 22:06:48.450 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
Dec 17 22:06:48.978 INFO running `"docker" "inspect" "0c5382f96749e4bea832ca0f4148f3d412fd86648b0b89b44829b1e4350df5df"`
Dec 17 22:06:49.250 INFO running `"docker" "rm" "-f" "0c5382f96749e4bea832ca0f4148f3d412fd86648b0b89b44829b1e4350df5df"`
Dec 17 22:06:49.580 INFO [stdout] 0c5382f96749e4bea832ca0f4148f3d412fd86648b0b89b44829b1e4350df5df