Sep 06 08:14:44.970 INFO checking currency-0.4.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 08:14:44.970 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 08:14:44.970 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 08:14:45.279 INFO blam! 9617f39b652affafc6917737d69cf7c0eaac436aff96220e0c7f59db85680af9
Sep 06 08:14:45.281 INFO running `"docker" "start" "-a" "9617f39b652affafc6917737d69cf7c0eaac436aff96220e0c7f59db85680af9"`
Sep 06 08:14:46.386 INFO kablam! usermod: no changes
Sep 06 08:14:46.514 INFO kablam!     Checking currency v0.4.0 (file:///source)
Sep 06 08:14:47.852 INFO kablam! warning: unused import: `std::str::FromStr`
Sep 06 08:14:47.852 INFO kablam!    --> src/lib.rs:752:13
Sep 06 08:14:47.852 INFO kablam!     |
Sep 06 08:14:47.852 INFO kablam! 752 |         use std::str::FromStr;
Sep 06 08:14:47.852 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Sep 06 08:14:47.852 INFO kablam!     |
Sep 06 08:14:47.852 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 06 08:14:47.852 INFO kablam! 
Sep 06 08:14:48.066 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Sep 06 08:14:48.069 INFO kablam! su: No module specific data is present
Sep 06 08:14:48.572 INFO running `"docker" "rm" "-f" "9617f39b652affafc6917737d69cf7c0eaac436aff96220e0c7f59db85680af9"`
Sep 06 08:14:48.659 INFO blam! 9617f39b652affafc6917737d69cf7c0eaac436aff96220e0c7f59db85680af9