Sep 01 20:49:59.863 INFO checking filters-0.2.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 20:49:59.863 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 20:49:59.863 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:49:59.994 INFO blam! 3f2e10abb7d10f4fa381302c99e604242d8d9a7de2f05271cd74dd15f035371a
Sep 01 20:49:59.995 INFO running `"docker" "start" "-a" "3f2e10abb7d10f4fa381302c99e604242d8d9a7de2f05271cd74dd15f035371a"`
Sep 01 20:50:00.750 INFO kablam!     Checking filters v0.2.0 (file:///source)
Sep 01 20:50:01.799 INFO kablam! warning: unused variable: `r`
Sep 01 20:50:01.799 INFO kablam!    --> src/failable/filter.rs:352:18
Sep 01 20:50:01.799 INFO kablam!     |
Sep 01 20:50:01.799 INFO kablam! 352 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 01 20:50:01.799 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 01 20:50:01.799 INFO kablam!     |
Sep 01 20:50:01.799 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 20:50:01.799 INFO kablam! 
Sep 01 20:50:01.970 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Sep 01 20:50:01.973 INFO kablam! su: No module specific data is present
Sep 01 20:50:02.525 INFO running `"docker" "rm" "-f" "3f2e10abb7d10f4fa381302c99e604242d8d9a7de2f05271cd74dd15f035371a"`
Sep 01 20:50:02.654 INFO blam! 3f2e10abb7d10f4fa381302c99e604242d8d9a7de2f05271cd74dd15f035371a