Aug 31 21:35:13.368 INFO checking message_verifier-1.1.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 21:35:13.368 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 21:35:13.368 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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=500" "-e" "CMD=cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 21:35:13.536 INFO blam! e941cd2184f07c6023c99e979083b09fc4b48b8a536ca70ad9905f6f00aba8a6
Aug 31 21:35:13.538 INFO running `"docker" "start" "-a" "e941cd2184f07c6023c99e979083b09fc4b48b8a536ca70ad9905f6f00aba8a6"`
Aug 31 21:35:14.314 INFO kablam!     Checking message_verifier v1.1.0 (file:///source)
Aug 31 21:35:15.540 INFO kablam! warning: unused import: `std::str`
Aug 31 21:35:15.540 INFO kablam!    --> src/lib.rs:409:9
Aug 31 21:35:15.540 INFO kablam!     |
Aug 31 21:35:15.540 INFO kablam! 409 |     use std::str;
Aug 31 21:35:15.540 INFO kablam!     |         ^^^^^^^^
Aug 31 21:35:15.540 INFO kablam!     |
Aug 31 21:35:15.540 INFO kablam!     = note: #[warn(unused_imports)] on by default
Aug 31 21:35:15.540 INFO kablam! 
Aug 31 21:35:17.856 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
Aug 31 21:35:17.863 INFO kablam! su: No module specific data is present
Aug 31 21:35:18.343 INFO running `"docker" "rm" "-f" "e941cd2184f07c6023c99e979083b09fc4b48b8a536ca70ad9905f6f00aba8a6"`
Aug 31 21:35:18.473 INFO blam! e941cd2184f07c6023c99e979083b09fc4b48b8a536ca70ad9905f6f00aba8a6