Nov 03 05:26:32.233 INFO checking message_verifier-1.1.0 against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 03 05:26:32.233 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-7/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 03 05:26:32.582 INFO blam! 9d9d7c700ef2428f7bd0c308d5be6d4892799674648526385672237a1ff74553
Nov 03 05:26:32.590 INFO running `"docker" "start" "-a" "9d9d7c700ef2428f7bd0c308d5be6d4892799674648526385672237a1ff74553"`
Nov 03 05:26:33.560 INFO kablam! usermod: no changes
Nov 03 05:26:33.680 INFO kablam!     Checking message_verifier v1.1.0 (/source)
Nov 03 05:26:35.508 INFO kablam! warning: unused import: `std::str`
Nov 03 05:26:35.508 INFO kablam!    --> src/lib.rs:409:9
Nov 03 05:26:35.508 INFO kablam!     |
Nov 03 05:26:35.508 INFO kablam! 409 |     use std::str;
Nov 03 05:26:35.508 INFO kablam!     |         ^^^^^^^^
Nov 03 05:26:35.508 INFO kablam!     |
Nov 03 05:26:35.508 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 03 05:26:35.508 INFO kablam! 
Nov 03 05:26:38.436 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
Nov 03 05:26:38.456 INFO kablam! su: No module specific data is present
Nov 03 05:26:39.272 INFO running `"docker" "rm" "-f" "9d9d7c700ef2428f7bd0c308d5be6d4892799674648526385672237a1ff74553"`
Nov 03 05:26:39.512 INFO blam! 9d9d7c700ef2428f7bd0c308d5be6d4892799674648526385672237a1ff74553