Sep 02 14:23:56.289 INFO checking filters-0.3.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 14:23:56.289 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 14:23:56.289 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/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 02 14:23:56.461 INFO blam! 629bad48fdb0a4afa483c2ac61fc2a2a41b2be98d9059eb1a0e3689f4db3a1d3
Sep 02 14:23:56.463 INFO running `"docker" "start" "-a" "629bad48fdb0a4afa483c2ac61fc2a2a41b2be98d9059eb1a0e3689f4db3a1d3"`
Sep 02 14:23:57.302 INFO kablam!     Checking filters v0.3.0 (file:///source)
Sep 02 14:23:58.423 INFO kablam! warning: unused variable: `r`
Sep 02 14:23:58.423 INFO kablam!    --> src/failable/filter.rs:358:18
Sep 02 14:23:58.423 INFO kablam!     |
Sep 02 14:23:58.423 INFO kablam! 358 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 02 14:23:58.423 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 02 14:23:58.423 INFO kablam!     |
Sep 02 14:23:58.423 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 14:23:58.423 INFO kablam! 
Sep 02 14:23:58.676 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Sep 02 14:23:58.679 INFO kablam! su: No module specific data is present
Sep 02 14:23:59.002 INFO running `"docker" "rm" "-f" "629bad48fdb0a4afa483c2ac61fc2a2a41b2be98d9059eb1a0e3689f4db3a1d3"`
Sep 02 14:23:59.141 INFO blam! 629bad48fdb0a4afa483c2ac61fc2a2a41b2be98d9059eb1a0e3689f4db3a1d3