Sep 18 01:09:49.753 INFO checking enumerate-split-0.0.1 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 18 01:09:49.753 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 18 01:09:49.753 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 01:09:49.961 INFO blam! 4e47610d568bf685728aaea53f9207cd436638331f2c0aa0bd1637c3405813a4
Sep 18 01:09:49.961 INFO running `"docker" "start" "-a" "4e47610d568bf685728aaea53f9207cd436638331f2c0aa0bd1637c3405813a4"`
Sep 18 01:09:50.787 INFO kablam! usermod: no changes
Sep 18 01:09:50.811 INFO kablam!     Checking enumerate-split v0.0.1 (/source)
Sep 18 01:09:51.127 INFO kablam! warning: unused import: `std::io::prelude::*`
Sep 18 01:09:51.127 INFO kablam!   --> src/lib.rs:84:9
Sep 18 01:09:51.127 INFO kablam!    |
Sep 18 01:09:51.127 INFO kablam! 84 |     use std::io::prelude::*;
Sep 18 01:09:51.127 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^
Sep 18 01:09:51.127 INFO kablam!    |
Sep 18 01:09:51.127 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 18 01:09:51.127 INFO kablam! 
Sep 18 01:09:51.197 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Sep 18 01:09:51.207 INFO kablam! su: No module specific data is present
Sep 18 01:09:52.096 INFO running `"docker" "rm" "-f" "4e47610d568bf685728aaea53f9207cd436638331f2c0aa0bd1637c3405813a4"`
Sep 18 01:09:52.435 INFO blam! 4e47610d568bf685728aaea53f9207cd436638331f2c0aa0bd1637c3405813a4