Dec 19 21:28:47.619 INFO checking VaclavStebra/rust-book-references-and-borrowing against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 Dec 19 21:28:47.619 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/VaclavStebra/rust-book-references-and-borrowing:/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 21:28:48.212 INFO [stdout] 2e7c6d11ddcc2edaaa4b0de1392e4f1613e6020cb87f65861d4de7eacfb1211a Dec 19 21:28:48.214 INFO running `"docker" "start" "-a" "2e7c6d11ddcc2edaaa4b0de1392e4f1613e6020cb87f65861d4de7eacfb1211a"` Dec 19 21:28:49.847 INFO [stderr] Checking rust-book-references-and-borrowing v0.1.0 (/opt/crater/workdir) Dec 19 21:28:50.248 INFO [stderr] warning: unused variable: `r1` Dec 19 21:28:50.248 INFO [stderr] --> src/main.rs:20:9 Dec 19 21:28:50.248 INFO [stderr] | Dec 19 21:28:50.248 INFO [stderr] 20 | let r1 = &mut s2; Dec 19 21:28:50.248 INFO [stderr] | ^^ help: consider using `_r1` instead Dec 19 21:28:50.248 INFO [stderr] | Dec 19 21:28:50.248 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 21:28:50.248 INFO [stderr] Dec 19 21:28:50.324 INFO [stderr] warning: unused variable: `r1` Dec 19 21:28:50.324 INFO [stderr] --> src/main.rs:20:9 Dec 19 21:28:50.325 INFO [stderr] | Dec 19 21:28:50.325 INFO [stderr] 20 | let r1 = &mut s2; Dec 19 21:28:50.325 INFO [stderr] | ^^ help: consider using `_r1` instead Dec 19 21:28:50.325 INFO [stderr] | Dec 19 21:28:50.325 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 21:28:50.325 INFO [stderr] Dec 19 21:28:50.377 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.56s Dec 19 21:28:51.572 INFO running `"docker" "inspect" "2e7c6d11ddcc2edaaa4b0de1392e4f1613e6020cb87f65861d4de7eacfb1211a"` Dec 19 21:28:51.853 INFO running `"docker" "rm" "-f" "2e7c6d11ddcc2edaaa4b0de1392e4f1613e6020cb87f65861d4de7eacfb1211a"` Dec 19 21:28:52.174 INFO [stdout] 2e7c6d11ddcc2edaaa4b0de1392e4f1613e6020cb87f65861d4de7eacfb1211a