Sep 04 18:37:20.470 INFO checking enumerate-split-0.0.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 18:37:20.470 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 18:37:20.470 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/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 18:37:20.704 INFO blam! 1c6160eb1c57cfc9ce54b56f4646c31a2a83a9d2ed87a9958a97c6dd8e261efe
Sep 04 18:37:20.704 INFO running `"docker" "start" "-a" "1c6160eb1c57cfc9ce54b56f4646c31a2a83a9d2ed87a9958a97c6dd8e261efe"`
Sep 04 18:37:21.416 INFO kablam!     Checking enumerate-split v0.0.1 (file:///source)
Sep 04 18:37:22.066 INFO kablam! warning: unused import: `std::io::prelude::*`
Sep 04 18:37:22.067 INFO kablam!   --> src/lib.rs:84:9
Sep 04 18:37:22.067 INFO kablam!    |
Sep 04 18:37:22.067 INFO kablam! 84 |     use std::io::prelude::*;
Sep 04 18:37:22.067 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^
Sep 04 18:37:22.067 INFO kablam!    |
Sep 04 18:37:22.067 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 04 18:37:22.067 INFO kablam! 
Sep 04 18:37:22.176 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Sep 04 18:37:22.178 INFO kablam! su: No module specific data is present
Sep 04 18:37:22.517 INFO running `"docker" "rm" "-f" "1c6160eb1c57cfc9ce54b56f4646c31a2a83a9d2ed87a9958a97c6dd8e261efe"`
Sep 04 18:37:22.617 INFO blam! 1c6160eb1c57cfc9ce54b56f4646c31a2a83a9d2ed87a9958a97c6dd8e261efe