Sep 21 10:51:05.759 INFO checking enumerate-split-0.0.1 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 10:51:05.759 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 10:51:05.759 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:51:05.947 INFO blam! be70a717adcde7e657db37a9491391e49f9da64e1c40d36502595742280c511c
Sep 21 10:51:05.949 INFO running `"docker" "start" "-a" "be70a717adcde7e657db37a9491391e49f9da64e1c40d36502595742280c511c"`
Sep 21 10:51:06.600 INFO kablam! usermod: no changes
Sep 21 10:51:06.619 INFO kablam!     Checking enumerate-split v0.0.1 (/source)
Sep 21 10:51:06.930 INFO kablam! warning: unused import: `std::io::prelude::*`
Sep 21 10:51:06.931 INFO kablam!   --> src/lib.rs:84:9
Sep 21 10:51:06.931 INFO kablam!    |
Sep 21 10:51:06.931 INFO kablam! 84 |     use std::io::prelude::*;
Sep 21 10:51:06.931 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^
Sep 21 10:51:06.931 INFO kablam!    |
Sep 21 10:51:06.931 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 10:51:06.931 INFO kablam! 
Sep 21 10:51:06.982 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Sep 21 10:51:06.983 INFO kablam! su: No module specific data is present
Sep 21 10:51:07.617 INFO running `"docker" "rm" "-f" "be70a717adcde7e657db37a9491391e49f9da64e1c40d36502595742280c511c"`
Sep 21 10:51:07.692 INFO blam! be70a717adcde7e657db37a9491391e49f9da64e1c40d36502595742280c511c