Aug 29 22:59:33.303 INFO checking unused_variable-1.0.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 29 22:59:33.303 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 29 22:59:33.303 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 22:59:33.566 INFO blam! 4e67feb846d2e2a0420819c1cb1a78b71b465d8a6ada7dafe6218efe61159ee4
Aug 29 22:59:33.569 INFO running `"docker" "start" "-a" "4e67feb846d2e2a0420819c1cb1a78b71b465d8a6ada7dafe6218efe61159ee4"`
Aug 29 22:59:34.456 INFO kablam!     Checking unused_variable v1.0.0 (file:///source)
Aug 29 22:59:34.814 INFO kablam! warning: expected `;`, found `<eof>`
Aug 29 22:59:34.814 INFO kablam!  --> <unused_variable macros>:1:32
Aug 29 22:59:34.814 INFO kablam!   |
Aug 29 22:59:34.814 INFO kablam! 1 | ( $ expr : expr ) => { let _ = $ expr }
Aug 29 22:59:34.814 INFO kablam!   |                                ^^^^^^
Aug 29 22:59:34.814 INFO kablam!   |
Aug 29 22:59:34.814 INFO kablam!   = note: This was erroneously allowed and will become a hard error in a future release
Aug 29 22:59:34.815 INFO kablam! 
Aug 29 22:59:34.869 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Aug 29 22:59:34.873 INFO kablam! su: No module specific data is present
Aug 29 22:59:35.439 INFO running `"docker" "rm" "-f" "4e67feb846d2e2a0420819c1cb1a78b71b465d8a6ada7dafe6218efe61159ee4"`
Aug 29 22:59:35.578 INFO blam! 4e67feb846d2e2a0420819c1cb1a78b71b465d8a6ada7dafe6218efe61159ee4