Sep 14 16:54:23.217 INFO checking exit-future-0.1.2 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 16:54:23.217 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 16:54:23.217 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:54:23.647 INFO blam! f396ae95ea96c82d366eb738f62607701c5470f357cebf3b65a9617bc87fe54e
Sep 14 16:54:23.648 INFO running `"docker" "start" "-a" "f396ae95ea96c82d366eb738f62607701c5470f357cebf3b65a9617bc87fe54e"`
Sep 14 16:54:26.034 INFO kablam! usermod: no changes
Sep 14 16:54:26.167 INFO kablam!     Checking exit-future v0.1.2 (file:///source)
Sep 14 16:54:27.220 INFO kablam! warning: unused variable: `signal`
Sep 14 16:54:27.220 INFO kablam!    --> src/lib.rs:214:14
Sep 14 16:54:27.220 INFO kablam!     |
Sep 14 16:54:27.220 INFO kablam! 214 |         let (signal, exit) = signal();
Sep 14 16:54:27.220 INFO kablam!     |              ^^^^^^ help: consider using `_signal` instead
Sep 14 16:54:27.220 INFO kablam!     |
Sep 14 16:54:27.220 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 14 16:54:27.220 INFO kablam! 
Sep 14 16:54:27.281 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Sep 14 16:54:27.281 INFO kablam! su: No module specific data is present
Sep 14 16:54:28.316 INFO running `"docker" "rm" "-f" "f396ae95ea96c82d366eb738f62607701c5470f357cebf3b65a9617bc87fe54e"`
Sep 14 16:54:28.631 INFO blam! f396ae95ea96c82d366eb738f62607701c5470f357cebf3b65a9617bc87fe54e