Sep 04 20:19:16.617 INFO checking currency-0.4.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 20:19:16.618 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 20:19:16.618 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 20:19:16.811 INFO blam! 603216def22950870f0fc0f6299e54ab7fdf43db0a97b2fb0f8e809d9ffa168b
Sep 04 20:19:16.813 INFO running `"docker" "start" "-a" "603216def22950870f0fc0f6299e54ab7fdf43db0a97b2fb0f8e809d9ffa168b"`
Sep 04 20:19:17.435 INFO kablam!     Checking currency v0.4.0 (file:///source)
Sep 04 20:19:19.400 INFO kablam! warning: unused import: `std::str::FromStr`
Sep 04 20:19:19.400 INFO kablam!    --> src/lib.rs:752:13
Sep 04 20:19:19.400 INFO kablam!     |
Sep 04 20:19:19.400 INFO kablam! 752 |         use std::str::FromStr;
Sep 04 20:19:19.400 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Sep 04 20:19:19.400 INFO kablam!     |
Sep 04 20:19:19.400 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 04 20:19:19.400 INFO kablam! 
Sep 04 20:19:19.711 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
Sep 04 20:19:19.715 INFO kablam! su: No module specific data is present
Sep 04 20:19:20.126 INFO running `"docker" "rm" "-f" "603216def22950870f0fc0f6299e54ab7fdf43db0a97b2fb0f8e809d9ffa168b"`
Sep 04 20:19:20.226 INFO blam! 603216def22950870f0fc0f6299e54ab7fdf43db0a97b2fb0f8e809d9ffa168b