Sep 20 04:46:53.444 INFO checking currency-0.4.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 04:46:53.444 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 04:46:53.444 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:46:53.691 INFO blam! c003946fb3aeb20f7e61388aaaf3ef63555a5f20fcfa22c5c756f7920b347cb3
Sep 20 04:46:53.691 INFO running `"docker" "start" "-a" "c003946fb3aeb20f7e61388aaaf3ef63555a5f20fcfa22c5c756f7920b347cb3"`
Sep 20 04:46:54.570 INFO kablam! usermod: no changes
Sep 20 04:46:54.718 INFO kablam!     Checking currency v0.4.0 (/source)
Sep 20 04:46:56.574 INFO kablam! warning: unused import: `std::str::FromStr`
Sep 20 04:46:56.574 INFO kablam!    --> src/lib.rs:752:13
Sep 20 04:46:56.574 INFO kablam!     |
Sep 20 04:46:56.574 INFO kablam! 752 |         use std::str::FromStr;
Sep 20 04:46:56.574 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Sep 20 04:46:56.574 INFO kablam!     |
Sep 20 04:46:56.574 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 20 04:46:56.574 INFO kablam! 
Sep 20 04:46:56.792 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
Sep 20 04:46:56.796 INFO kablam! su: No module specific data is present
Sep 20 04:46:59.515 INFO running `"docker" "rm" "-f" "c003946fb3aeb20f7e61388aaaf3ef63555a5f20fcfa22c5c756f7920b347cb3"`
Sep 20 04:46:59.602 INFO blam! c003946fb3aeb20f7e61388aaaf3ef63555a5f20fcfa22c5c756f7920b347cb3