Sep 04 21:56:17.742 INFO checking cascade-0.1.2 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 21:56:17.742 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 21:56:17.742 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 21:56:17.921 INFO blam! c15aff7e3fdebedd9c1460940bdbba7f740b9df51cf2d5827f2748e30b507695
Sep 04 21:56:17.923 INFO running `"docker" "start" "-a" "c15aff7e3fdebedd9c1460940bdbba7f740b9df51cf2d5827f2748e30b507695"`
Sep 04 21:56:18.750 INFO kablam!     Checking cascade v0.1.2 (file:///source)
Sep 04 21:56:19.877 INFO kablam! warning: unused variable: `method_chain_example`
Sep 04 21:56:19.877 INFO kablam!   --> examples/basic_cascades.rs:87:7
Sep 04 21:56:19.877 INFO kablam!    |
Sep 04 21:56:19.877 INFO kablam! 87 |   let method_chain_example = cascade! {
Sep 04 21:56:19.877 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^ help: consider using `_method_chain_example` instead
Sep 04 21:56:19.877 INFO kablam!    |
Sep 04 21:56:19.877 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 04 21:56:19.877 INFO kablam! 
Sep 04 21:56:19.912 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Sep 04 21:56:19.914 INFO kablam! su: No module specific data is present
Sep 04 21:56:20.306 INFO running `"docker" "rm" "-f" "c15aff7e3fdebedd9c1460940bdbba7f740b9df51cf2d5827f2748e30b507695"`
Sep 04 21:56:20.408 INFO blam! c15aff7e3fdebedd9c1460940bdbba7f740b9df51cf2d5827f2748e30b507695