Sep 20 03:51:20.789 INFO checking exit-future-0.1.2 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 03:51:20.789 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 03:51:20.789 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/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 03:51:21.108 INFO blam! 3898847eebb35a148b5984d04a50f6a5a7532a026d3997d46699dfa73081490d
Sep 20 03:51:21.111 INFO running `"docker" "start" "-a" "3898847eebb35a148b5984d04a50f6a5a7532a026d3997d46699dfa73081490d"`
Sep 20 03:51:22.390 INFO kablam! usermod: no changes
Sep 20 03:51:22.482 INFO kablam!     Checking exit-future v0.1.2 (/source)
Sep 20 03:51:23.402 INFO kablam! warning: unused variable: `signal`
Sep 20 03:51:23.402 INFO kablam!    --> src/lib.rs:214:14
Sep 20 03:51:23.402 INFO kablam!     |
Sep 20 03:51:23.402 INFO kablam! 214 |         let (signal, exit) = signal();
Sep 20 03:51:23.402 INFO kablam!     |              ^^^^^^ help: consider using `_signal` instead
Sep 20 03:51:23.402 INFO kablam!     |
Sep 20 03:51:23.402 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 20 03:51:23.402 INFO kablam! 
Sep 20 03:51:23.443 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Sep 20 03:51:23.451 INFO kablam! su: No module specific data is present
Sep 20 03:51:24.673 INFO running `"docker" "rm" "-f" "3898847eebb35a148b5984d04a50f6a5a7532a026d3997d46699dfa73081490d"`
Sep 20 03:51:24.822 INFO blam! 3898847eebb35a148b5984d04a50f6a5a7532a026d3997d46699dfa73081490d