Sep 06 07:28:50.965 INFO checking enumerate-split-0.0.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 07:28:50.965 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 07:28:50.965 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 07:28:51.118 INFO blam! d808162c8604558b865d1072c3907086fb708badc05b9a00361d0fda97d742d0
Sep 06 07:28:51.120 INFO running `"docker" "start" "-a" "d808162c8604558b865d1072c3907086fb708badc05b9a00361d0fda97d742d0"`
Sep 06 07:28:51.800 INFO kablam! usermod: no changes
Sep 06 07:28:51.832 INFO kablam!     Checking enumerate-split v0.0.1 (file:///source)
Sep 06 07:28:52.111 INFO kablam! warning: unused import: `std::io::prelude::*`
Sep 06 07:28:52.111 INFO kablam!   --> src/lib.rs:84:9
Sep 06 07:28:52.111 INFO kablam!    |
Sep 06 07:28:52.111 INFO kablam! 84 |     use std::io::prelude::*;
Sep 06 07:28:52.111 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^
Sep 06 07:28:52.111 INFO kablam!    |
Sep 06 07:28:52.111 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 06 07:28:52.111 INFO kablam! 
Sep 06 07:28:52.185 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Sep 06 07:28:52.187 INFO kablam! su: No module specific data is present
Sep 06 07:28:53.144 INFO running `"docker" "rm" "-f" "d808162c8604558b865d1072c3907086fb708badc05b9a00361d0fda97d742d0"`
Sep 06 07:28:53.257 INFO blam! d808162c8604558b865d1072c3907086fb708badc05b9a00361d0fda97d742d0