Sep 04 20:38:05.630 INFO checking filters-0.2.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 20:38:05.630 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 20:38:05.630 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 20:38:05.798 INFO blam! e0cd19d41f7750603f11cec1c3528dabecb66c2e60f281047be7b86bc4ef613d
Sep 04 20:38:05.800 INFO running `"docker" "start" "-a" "e0cd19d41f7750603f11cec1c3528dabecb66c2e60f281047be7b86bc4ef613d"`
Sep 04 20:38:06.593 INFO kablam!     Checking filters v0.2.0 (file:///source)
Sep 04 20:38:07.847 INFO kablam! warning: unused variable: `r`
Sep 04 20:38:07.848 INFO kablam!    --> src/failable/filter.rs:352:18
Sep 04 20:38:07.848 INFO kablam!     |
Sep 04 20:38:07.848 INFO kablam! 352 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 04 20:38:07.848 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 04 20:38:07.848 INFO kablam!     |
Sep 04 20:38:07.848 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 04 20:38:07.848 INFO kablam! 
Sep 04 20:38:08.040 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Sep 04 20:38:08.042 INFO kablam! su: No module specific data is present
Sep 04 20:38:08.557 INFO running `"docker" "rm" "-f" "e0cd19d41f7750603f11cec1c3528dabecb66c2e60f281047be7b86bc4ef613d"`
Sep 04 20:38:08.649 INFO blam! e0cd19d41f7750603f11cec1c3528dabecb66c2e60f281047be7b86bc4ef613d