Sep 20 00:14:05.808 INFO checking message_verifier-1.1.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 00:14:05.808 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 00:14:05.808 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-5/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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=1000" "-e" "CMD=cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 00:14:06.009 INFO blam! 081b726147e280524063e7f9da8143c84f7b68bb66060ad2aa64d38a84f43623
Sep 20 00:14:06.011 INFO running `"docker" "start" "-a" "081b726147e280524063e7f9da8143c84f7b68bb66060ad2aa64d38a84f43623"`
Sep 20 00:14:06.745 INFO kablam! usermod: no changes
Sep 20 00:14:06.824 INFO kablam!     Checking message_verifier v1.1.0 (/source)
Sep 20 00:14:07.410 INFO kablam! warning: unused import: `std::str`
Sep 20 00:14:07.410 INFO kablam!    --> src/lib.rs:409:9
Sep 20 00:14:07.410 INFO kablam!     |
Sep 20 00:14:07.410 INFO kablam! 409 |     use std::str;
Sep 20 00:14:07.410 INFO kablam!     |         ^^^^^^^^
Sep 20 00:14:07.410 INFO kablam!     |
Sep 20 00:14:07.410 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 20 00:14:07.410 INFO kablam! 
Sep 20 00:14:08.622 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Sep 20 00:14:08.628 INFO kablam! su: No module specific data is present
Sep 20 00:14:09.530 INFO running `"docker" "rm" "-f" "081b726147e280524063e7f9da8143c84f7b68bb66060ad2aa64d38a84f43623"`
Sep 20 00:14:09.585 INFO blam! 081b726147e280524063e7f9da8143c84f7b68bb66060ad2aa64d38a84f43623