Sep 20 02:08:08.701 INFO checking exit-future-0.1.2 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 02:08:08.701 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 02:08:08.701 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-5/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 02:08:09.146 INFO blam! 17d53a841bc4120cffea9c08840048578ac5de4c203d0bf69625c5aadc73ae90
Sep 20 02:08:09.148 INFO running `"docker" "start" "-a" "17d53a841bc4120cffea9c08840048578ac5de4c203d0bf69625c5aadc73ae90"`
Sep 20 02:08:10.426 INFO kablam! usermod: no changes
Sep 20 02:08:10.586 INFO kablam!     Checking parking_lot v0.4.8
Sep 20 02:08:11.538 INFO kablam!     Checking exit-future v0.1.2 (/source)
Sep 20 02:08:12.647 INFO kablam! warning: unused variable: `signal`
Sep 20 02:08:12.647 INFO kablam!    --> src/lib.rs:214:14
Sep 20 02:08:12.647 INFO kablam!     |
Sep 20 02:08:12.647 INFO kablam! 214 |         let (signal, exit) = signal();
Sep 20 02:08:12.647 INFO kablam!     |              ^^^^^^ help: consider using `_signal` instead
Sep 20 02:08:12.647 INFO kablam!     |
Sep 20 02:08:12.647 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 20 02:08:12.647 INFO kablam! 
Sep 20 02:08:12.698 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
Sep 20 02:08:12.707 INFO kablam! su: No module specific data is present
Sep 20 02:08:13.614 INFO running `"docker" "rm" "-f" "17d53a841bc4120cffea9c08840048578ac5de4c203d0bf69625c5aadc73ae90"`
Sep 20 02:08:13.979 INFO blam! 17d53a841bc4120cffea9c08840048578ac5de4c203d0bf69625c5aadc73ae90