Nov 04 21:01:30.477 INFO checking message_verifier-1.1.0 against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 21:01:30.477 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-0/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 21:01:30.799 INFO blam! bdadb2900547644c4d55efe37728bda33eb901895b5e3c5d6336db20e9bf9bbf
Nov 04 21:01:30.803 INFO running `"docker" "start" "-a" "bdadb2900547644c4d55efe37728bda33eb901895b5e3c5d6336db20e9bf9bbf"`
Nov 04 21:01:31.657 INFO kablam! usermod: no changes
Nov 04 21:01:31.798 INFO kablam!     Checking message_verifier v1.1.0 (/source)
Nov 04 21:01:33.463 INFO kablam! warning: unused import: `std::str`
Nov 04 21:01:33.463 INFO kablam!    --> src/lib.rs:409:9
Nov 04 21:01:33.463 INFO kablam!     |
Nov 04 21:01:33.467 INFO kablam! 409 |     use std::str;
Nov 04 21:01:33.467 INFO kablam!     |         ^^^^^^^^
Nov 04 21:01:33.467 INFO kablam!     |
Nov 04 21:01:33.467 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 04 21:01:33.467 INFO kablam! 
Nov 04 21:01:36.433 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.74s
Nov 04 21:01:36.444 INFO kablam! su: No module specific data is present
Nov 04 21:01:37.099 INFO running `"docker" "rm" "-f" "bdadb2900547644c4d55efe37728bda33eb901895b5e3c5d6336db20e9bf9bbf"`
Nov 04 21:01:37.399 INFO blam! bdadb2900547644c4d55efe37728bda33eb901895b5e3c5d6336db20e9bf9bbf