Sep 04 19:59:46.234 INFO checking derive-error-0.0.4 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 19:59:46.234 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 19:59:46.234 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/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 19:59:46.434 INFO blam! f4ac7aeb29d4e6012208c8f9a706f359ec8122934fa26f3c1c3b61d26e8c19a7
Sep 04 19:59:46.436 INFO running `"docker" "start" "-a" "f4ac7aeb29d4e6012208c8f9a706f359ec8122934fa26f3c1c3b61d26e8c19a7"`
Sep 04 19:59:47.320 INFO kablam!     Checking case v0.1.0
Sep 04 19:59:47.320 INFO kablam!     Checking crossbeam-utils v0.2.2
Sep 04 19:59:47.322 INFO kablam!    Compiling derive-error v0.0.4 (file:///source)
Sep 04 19:59:47.325 INFO kablam!     Checking colored v1.6.1
Sep 04 19:59:48.505 INFO kablam!     Checking crossbeam-epoch v0.3.1
Sep 04 19:59:50.734 INFO kablam!     Checking crossbeam-deque v0.2.0
Sep 04 19:59:53.207 INFO kablam!     Checking rayon-core v1.4.1
Sep 04 19:59:56.841 INFO kablam!     Checking rayon v0.8.2
Sep 04 20:00:02.081 INFO kablam!     Checking rspec v1.0.0-beta.4
Sep 04 20:00:07.728 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.48s
Sep 04 20:00:07.733 INFO kablam! su: No module specific data is present
Sep 04 20:00:08.161 INFO running `"docker" "rm" "-f" "f4ac7aeb29d4e6012208c8f9a706f359ec8122934fa26f3c1c3b61d26e8c19a7"`
Sep 04 20:00:08.302 INFO blam! f4ac7aeb29d4e6012208c8f9a706f359ec8122934fa26f3c1c3b61d26e8c19a7