Sep 14 17:51:45.709 INFO checking currency-0.4.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 17:51:45.709 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 17:51:45.709 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 17:51:46.115 INFO blam! 39d564adceefc0e81e1e2649c81fda57025fab5d7b3bf1d683e213d0dabc216c
Sep 14 17:51:46.134 INFO running `"docker" "start" "-a" "39d564adceefc0e81e1e2649c81fda57025fab5d7b3bf1d683e213d0dabc216c"`
Sep 14 17:51:47.894 INFO kablam! usermod: no changes
Sep 14 17:51:47.979 INFO kablam!     Checking currency v0.4.0 (file:///source)
Sep 14 17:51:49.679 INFO kablam! warning: unused import: `std::str::FromStr`
Sep 14 17:51:49.679 INFO kablam!    --> src/lib.rs:752:13
Sep 14 17:51:49.679 INFO kablam!     |
Sep 14 17:51:49.679 INFO kablam! 752 |         use std::str::FromStr;
Sep 14 17:51:49.679 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Sep 14 17:51:49.679 INFO kablam!     |
Sep 14 17:51:49.679 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 14 17:51:49.679 INFO kablam! 
Sep 14 17:51:49.867 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
Sep 14 17:51:49.871 INFO kablam! su: No module specific data is present
Sep 14 17:51:50.585 INFO running `"docker" "rm" "-f" "39d564adceefc0e81e1e2649c81fda57025fab5d7b3bf1d683e213d0dabc216c"`
Sep 14 17:51:50.652 INFO blam! 39d564adceefc0e81e1e2649c81fda57025fab5d7b3bf1d683e213d0dabc216c