Sep 06 09:29:40.046 INFO checking bitlab-0.8.1 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 09:29:40.046 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 09:29:40.046 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/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 09:29:40.246 INFO blam! 605d8f83b795b62144a9ada74ce818021109dfc1c6931f6d4222b761c43e3468
Sep 06 09:29:40.248 INFO running `"docker" "start" "-a" "605d8f83b795b62144a9ada74ce818021109dfc1c6931f6d4222b761c43e3468"`
Sep 06 09:29:41.020 INFO kablam! usermod: no changes
Sep 06 09:29:41.085 INFO kablam!     Checking bitlab v0.8.1 (file:///source)
Sep 06 09:29:42.654 INFO kablam! warning: `#[derive]` does nothing on macro invocations
Sep 06 09:29:42.654 INFO kablam!   --> examples/performance.rs:16:1
Sep 06 09:29:42.654 INFO kablam!    |
Sep 06 09:29:42.654 INFO kablam! 16 | #[derive(Debug)]
Sep 06 09:29:42.654 INFO kablam!    | ^^^^^^^^^^^^^^^^
Sep 06 09:29:42.654 INFO kablam!    |
Sep 06 09:29:42.654 INFO kablam!    = note: this may become a hard error in a future release
Sep 06 09:29:42.654 INFO kablam! 
Sep 06 09:29:44.823 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
Sep 06 09:29:44.826 INFO kablam! su: No module specific data is present
Sep 06 09:29:45.295 INFO running `"docker" "rm" "-f" "605d8f83b795b62144a9ada74ce818021109dfc1c6931f6d4222b761c43e3468"`
Sep 06 09:29:45.396 INFO blam! 605d8f83b795b62144a9ada74ce818021109dfc1c6931f6d4222b761c43e3468