Aug 29 22:59:31.606 INFO checking unused_variable-1.0.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 29 22:59:31.606 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 29 22:59:31.606 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 22:59:31.822 INFO blam! 1ce097c439bc93e1fb00ad3c0f9a180f52b9f9a5c4ad861f90b531f849755968
Aug 29 22:59:31.824 INFO running `"docker" "start" "-a" "1ce097c439bc93e1fb00ad3c0f9a180f52b9f9a5c4ad861f90b531f849755968"`
Aug 29 22:59:32.630 INFO kablam!     Checking unused_variable v1.0.0 (file:///source)
Aug 29 22:59:33.051 INFO kablam! warning: expected `;`, found `<eof>`
Aug 29 22:59:33.051 INFO kablam!  --> <unused_variable macros>:1:32
Aug 29 22:59:33.052 INFO kablam!   |
Aug 29 22:59:33.052 INFO kablam! 1 | ( $ expr : expr ) => { let _ = $ expr }
Aug 29 22:59:33.052 INFO kablam!   |                                ^^^^^^
Aug 29 22:59:33.052 INFO kablam!   |
Aug 29 22:59:33.052 INFO kablam!   = note: This was erroneously allowed and will become a hard error in a future release
Aug 29 22:59:33.052 INFO kablam! 
Aug 29 22:59:33.119 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Aug 29 22:59:33.125 INFO kablam! su: No module specific data is present
Aug 29 22:59:33.626 INFO running `"docker" "rm" "-f" "1ce097c439bc93e1fb00ad3c0f9a180f52b9f9a5c4ad861f90b531f849755968"`
Aug 29 22:59:33.822 INFO blam! 1ce097c439bc93e1fb00ad3c0f9a180f52b9f9a5c4ad861f90b531f849755968