Nov 01 19:53:16.813 INFO checking message_verifier-1.1.0 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 19:53:16.813 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 19:53:17.188 INFO blam! 8c9e38a37fcfec3d022c09a0e9be562e1c43ffe9bd084415a02bca7cef3f8ee6
Nov 01 19:53:17.212 INFO running `"docker" "start" "-a" "8c9e38a37fcfec3d022c09a0e9be562e1c43ffe9bd084415a02bca7cef3f8ee6"`
Nov 01 19:53:18.522 INFO kablam! usermod: no changes
Nov 01 19:53:18.612 INFO kablam!     Checking message_verifier v1.1.0 (/source)
Nov 01 19:53:20.273 INFO kablam! warning: unused import: `std::str`
Nov 01 19:53:20.273 INFO kablam!    --> src/lib.rs:409:9
Nov 01 19:53:20.273 INFO kablam!     |
Nov 01 19:53:20.274 INFO kablam! 409 |     use std::str;
Nov 01 19:53:20.274 INFO kablam!     |         ^^^^^^^^
Nov 01 19:53:20.274 INFO kablam!     |
Nov 01 19:53:20.274 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 01 19:53:20.275 INFO kablam! 
Nov 01 19:53:23.844 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
Nov 01 19:53:23.848 INFO kablam! su: No module specific data is present
Nov 01 19:53:24.600 INFO running `"docker" "rm" "-f" "8c9e38a37fcfec3d022c09a0e9be562e1c43ffe9bd084415a02bca7cef3f8ee6"`
Nov 01 19:53:24.856 INFO blam! 8c9e38a37fcfec3d022c09a0e9be562e1c43ffe9bd084415a02bca7cef3f8ee6