Sep 01 14:09:05.237 INFO checking message_verifier-1.1.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 14:09:05.237 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 14:09:05.237 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 14:09:05.406 INFO blam! c52d90ef9694e88afa906e1d59e14da38b57a473e49ef88519a28d04ba963eb5
Sep 01 14:09:05.407 INFO running `"docker" "start" "-a" "c52d90ef9694e88afa906e1d59e14da38b57a473e49ef88519a28d04ba963eb5"`
Sep 01 14:09:06.407 INFO kablam!     Checking message_verifier v1.1.0 (file:///source)
Sep 01 14:09:07.291 INFO kablam! warning: unused import: `std::str`
Sep 01 14:09:07.291 INFO kablam!    --> src/lib.rs:409:9
Sep 01 14:09:07.291 INFO kablam!     |
Sep 01 14:09:07.291 INFO kablam! 409 |     use std::str;
Sep 01 14:09:07.291 INFO kablam!     |         ^^^^^^^^
Sep 01 14:09:07.291 INFO kablam!     |
Sep 01 14:09:07.291 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 01 14:09:07.291 INFO kablam! 
Sep 01 14:09:09.826 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
Sep 01 14:09:09.831 INFO kablam! su: No module specific data is present
Sep 01 14:09:10.388 INFO running `"docker" "rm" "-f" "c52d90ef9694e88afa906e1d59e14da38b57a473e49ef88519a28d04ba963eb5"`
Sep 01 14:09:10.509 INFO blam! c52d90ef9694e88afa906e1d59e14da38b57a473e49ef88519a28d04ba963eb5