Sep 20 03:32:33.493 INFO checking filters-0.3.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 03:32:33.493 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 03:32:33.493 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:32:33.684 INFO blam! 5d32338c899649f75d90207d7db91c506b13ca4cee63e3c4bc1cee2b7f6e7e86
Sep 20 03:32:33.685 INFO running `"docker" "start" "-a" "5d32338c899649f75d90207d7db91c506b13ca4cee63e3c4bc1cee2b7f6e7e86"`
Sep 20 03:32:34.515 INFO kablam! usermod: no changes
Sep 20 03:32:34.533 INFO kablam!     Checking filters v0.3.0 (/source)
Sep 20 03:32:35.132 INFO kablam! warning: unused variable: `r`
Sep 20 03:32:35.132 INFO kablam!    --> src/failable/filter.rs:358:18
Sep 20 03:32:35.132 INFO kablam!     |
Sep 20 03:32:35.132 INFO kablam! 358 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 20 03:32:35.132 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 20 03:32:35.132 INFO kablam!     |
Sep 20 03:32:35.132 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 20 03:32:35.132 INFO kablam! 
Sep 20 03:32:35.309 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Sep 20 03:32:35.312 INFO kablam! su: No module specific data is present
Sep 20 03:32:35.930 INFO running `"docker" "rm" "-f" "5d32338c899649f75d90207d7db91c506b13ca4cee63e3c4bc1cee2b7f6e7e86"`
Sep 20 03:32:35.983 INFO blam! 5d32338c899649f75d90207d7db91c506b13ca4cee63e3c4bc1cee2b7f6e7e86