Nov 04 21:01:30.372 INFO checking message_verifier-1.1.0 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 21:01:30.372 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-3/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +e740b9aa0b624fa39feb39613e76d15bdf57e594-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 04 21:01:30.663 INFO blam! 10093f5c7759be229b4040c8715e74cd221342bef53cf6cd00ed4f2ae74e5dcb
Nov 04 21:01:30.667 INFO running `"docker" "start" "-a" "10093f5c7759be229b4040c8715e74cd221342bef53cf6cd00ed4f2ae74e5dcb"`
Nov 04 21:01:31.399 INFO kablam! usermod: no changes
Nov 04 21:01:31.535 INFO kablam!     Checking message_verifier v1.1.0 (/source)
Nov 04 21:01:33.103 INFO kablam! warning: unused import: `std::str`
Nov 04 21:01:33.103 INFO kablam!    --> src/lib.rs:409:9
Nov 04 21:01:33.103 INFO kablam!     |
Nov 04 21:01:33.103 INFO kablam! 409 |     use std::str;
Nov 04 21:01:33.103 INFO kablam!     |         ^^^^^^^^
Nov 04 21:01:33.105 INFO kablam!     |
Nov 04 21:01:33.105 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 04 21:01:33.105 INFO kablam! 
Nov 04 21:01:36.143 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.71s
Nov 04 21:01:36.147 INFO kablam! su: No module specific data is present
Nov 04 21:01:36.870 INFO running `"docker" "rm" "-f" "10093f5c7759be229b4040c8715e74cd221342bef53cf6cd00ed4f2ae74e5dcb"`
Nov 04 21:01:37.257 INFO blam! 10093f5c7759be229b4040c8715e74cd221342bef53cf6cd00ed4f2ae74e5dcb