Sep 06 08:14:44.934 INFO checking currency-0.4.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 08:14:44.934 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 08:14:44.934 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 08:14:45.247 INFO blam! 7bed61e1d094d1aacb580f43b7d93deb4fcaae9d8fa1eabf0cb06b3bf6235624
Sep 06 08:14:45.248 INFO running `"docker" "start" "-a" "7bed61e1d094d1aacb580f43b7d93deb4fcaae9d8fa1eabf0cb06b3bf6235624"`
Sep 06 08:14:45.830 INFO kablam! usermod: no changes
Sep 06 08:14:45.896 INFO kablam!     Checking currency v0.4.0 (file:///source)
Sep 06 08:14:47.042 INFO kablam! warning: unused import: `std::str::FromStr`
Sep 06 08:14:47.042 INFO kablam!    --> src/lib.rs:752:13
Sep 06 08:14:47.042 INFO kablam!     |
Sep 06 08:14:47.042 INFO kablam! 752 |         use std::str::FromStr;
Sep 06 08:14:47.042 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Sep 06 08:14:47.042 INFO kablam!     |
Sep 06 08:14:47.042 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 06 08:14:47.042 INFO kablam! 
Sep 06 08:14:47.255 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Sep 06 08:14:47.259 INFO kablam! su: No module specific data is present
Sep 06 08:14:47.871 INFO running `"docker" "rm" "-f" "7bed61e1d094d1aacb580f43b7d93deb4fcaae9d8fa1eabf0cb06b3bf6235624"`
Sep 06 08:14:47.956 INFO blam! 7bed61e1d094d1aacb580f43b7d93deb4fcaae9d8fa1eabf0cb06b3bf6235624