Sep 06 08:58:58.901 INFO checking cascade-0.1.2 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 08:58:58.901 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 08:58:58.901 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 08:58:59.037 INFO blam! b2a1faee07014f1edf0636b6cb5251b596dd8067a19879c2792417c591965d4d
Sep 06 08:58:59.039 INFO running `"docker" "start" "-a" "b2a1faee07014f1edf0636b6cb5251b596dd8067a19879c2792417c591965d4d"`
Sep 06 08:58:59.725 INFO kablam! usermod: no changes
Sep 06 08:58:59.751 INFO kablam!     Checking cascade v0.1.2 (file:///source)
Sep 06 08:59:00.222 INFO kablam! warning: unused variable: `method_chain_example`
Sep 06 08:59:00.222 INFO kablam!   --> examples/basic_cascades.rs:87:7
Sep 06 08:59:00.222 INFO kablam!    |
Sep 06 08:59:00.222 INFO kablam! 87 |   let method_chain_example = cascade! {
Sep 06 08:59:00.222 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^ help: consider using `_method_chain_example` instead
Sep 06 08:59:00.222 INFO kablam!    |
Sep 06 08:59:00.222 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 06 08:59:00.222 INFO kablam! 
Sep 06 08:59:00.248 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Sep 06 08:59:00.251 INFO kablam! su: No module specific data is present
Sep 06 08:59:00.897 INFO running `"docker" "rm" "-f" "b2a1faee07014f1edf0636b6cb5251b596dd8067a19879c2792417c591965d4d"`
Sep 06 08:59:00.954 INFO blam! b2a1faee07014f1edf0636b6cb5251b596dd8067a19879c2792417c591965d4d