Sep 01 02:59:41.085 INFO checking unused_variable-1.0.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831 Sep 01 02:59:41.085 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets Sep 01 02:59:41.085 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 01 02:59:41.262 INFO blam! 47dbd9d3d9d12d13be3d565cde840e394b78dcf5b8c0bf2bbd96875a4b825c1f Sep 01 02:59:41.264 INFO running `"docker" "start" "-a" "47dbd9d3d9d12d13be3d565cde840e394b78dcf5b8c0bf2bbd96875a4b825c1f"` Sep 01 02:59:41.974 INFO kablam! Checking unused_variable v1.0.0 (file:///source) Sep 01 02:59:42.294 INFO kablam! warning: expected `;`, found `` Sep 01 02:59:42.294 INFO kablam! --> :1:32 Sep 01 02:59:42.294 INFO kablam! | Sep 01 02:59:42.294 INFO kablam! 1 | ( $ expr : expr ) => { let _ = $ expr } Sep 01 02:59:42.294 INFO kablam! | ^^^^^^ Sep 01 02:59:42.294 INFO kablam! | Sep 01 02:59:42.294 INFO kablam! = note: This was erroneously allowed and will become a hard error in a future release Sep 01 02:59:42.295 INFO kablam! Sep 01 02:59:42.359 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.40s Sep 01 02:59:42.362 INFO kablam! su: No module specific data is present Sep 01 02:59:42.838 INFO running `"docker" "rm" "-f" "47dbd9d3d9d12d13be3d565cde840e394b78dcf5b8c0bf2bbd96875a4b825c1f"` Sep 01 02:59:42.990 INFO blam! 47dbd9d3d9d12d13be3d565cde840e394b78dcf5b8c0bf2bbd96875a4b825c1f