Sep 06 03:51:48.627 INFO checking message_verifier-1.1.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 03:51:48.627 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 03:51:48.628 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:51:48.792 INFO blam! 5ed9016ce952f1c4c58b1548d19e6b0cf60e9683231d8e17513e87214d8dedd1
Sep 06 03:51:48.794 INFO running `"docker" "start" "-a" "5ed9016ce952f1c4c58b1548d19e6b0cf60e9683231d8e17513e87214d8dedd1"`
Sep 06 03:51:49.405 INFO kablam! usermod: no changes
Sep 06 03:51:49.451 INFO kablam!     Checking message_verifier v1.1.0 (file:///source)
Sep 06 03:51:49.931 INFO kablam! warning: unused import: `std::str`
Sep 06 03:51:49.931 INFO kablam!    --> src/lib.rs:409:9
Sep 06 03:51:49.931 INFO kablam!     |
Sep 06 03:51:49.931 INFO kablam! 409 |     use std::str;
Sep 06 03:51:49.931 INFO kablam!     |         ^^^^^^^^
Sep 06 03:51:49.931 INFO kablam!     |
Sep 06 03:51:49.931 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 06 03:51:49.931 INFO kablam! 
Sep 06 03:51:50.975 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Sep 06 03:51:50.979 INFO kablam! su: No module specific data is present
Sep 06 03:51:51.678 INFO running `"docker" "rm" "-f" "5ed9016ce952f1c4c58b1548d19e6b0cf60e9683231d8e17513e87214d8dedd1"`
Sep 06 03:51:51.794 INFO blam! 5ed9016ce952f1c4c58b1548d19e6b0cf60e9683231d8e17513e87214d8dedd1