Sep 21 10:25:45.345 INFO checking filters-0.3.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 10:25:45.345 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 10:25:45.346 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:25:45.509 INFO blam! 1449256722b0e905ac222ec3a4baf4cb9aab15cae03c3eb05e2329b93bc6e957
Sep 21 10:25:45.511 INFO running `"docker" "start" "-a" "1449256722b0e905ac222ec3a4baf4cb9aab15cae03c3eb05e2329b93bc6e957"`
Sep 21 10:25:46.183 INFO kablam! usermod: no changes
Sep 21 10:25:46.230 INFO kablam!     Checking filters v0.3.0 (/source)
Sep 21 10:25:46.931 INFO kablam! warning: unused variable: `r`
Sep 21 10:25:46.931 INFO kablam!    --> src/failable/filter.rs:358:18
Sep 21 10:25:46.931 INFO kablam!     |
Sep 21 10:25:46.931 INFO kablam! 358 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 21 10:25:46.931 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 21 10:25:46.931 INFO kablam!     |
Sep 21 10:25:46.931 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 10:25:46.931 INFO kablam! 
Sep 21 10:25:47.080 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Sep 21 10:25:47.083 INFO kablam! su: No module specific data is present
Sep 21 10:25:47.691 INFO running `"docker" "rm" "-f" "1449256722b0e905ac222ec3a4baf4cb9aab15cae03c3eb05e2329b93bc6e957"`
Sep 21 10:25:47.762 INFO blam! 1449256722b0e905ac222ec3a4baf4cb9aab15cae03c3eb05e2329b93bc6e957