Sep 14 17:02:27.136 INFO checking enumerate-split-0.0.1 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 17:02:27.136 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 17:02:27.136 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 17:02:27.295 INFO blam! d8593561253120e49caa4bd9250dfe529424cb2b00ac0d49a4b7735f7aae752d
Sep 14 17:02:27.297 INFO running `"docker" "start" "-a" "d8593561253120e49caa4bd9250dfe529424cb2b00ac0d49a4b7735f7aae752d"`
Sep 14 17:02:28.257 INFO kablam! usermod: no changes
Sep 14 17:02:28.290 INFO kablam!     Checking enumerate-split v0.0.1 (file:///source)
Sep 14 17:02:28.627 INFO kablam! warning: unused import: `std::io::prelude::*`
Sep 14 17:02:28.627 INFO kablam!   --> src/lib.rs:84:9
Sep 14 17:02:28.627 INFO kablam!    |
Sep 14 17:02:28.627 INFO kablam! 84 |     use std::io::prelude::*;
Sep 14 17:02:28.627 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^
Sep 14 17:02:28.627 INFO kablam!    |
Sep 14 17:02:28.627 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 14 17:02:28.627 INFO kablam! 
Sep 14 17:02:28.715 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Sep 14 17:02:28.723 INFO kablam! su: No module specific data is present
Sep 14 17:02:29.519 INFO running `"docker" "rm" "-f" "d8593561253120e49caa4bd9250dfe529424cb2b00ac0d49a4b7735f7aae752d"`
Sep 14 17:02:29.655 INFO blam! d8593561253120e49caa4bd9250dfe529424cb2b00ac0d49a4b7735f7aae752d