Sep 04 23:10:14.744 INFO checking currency-0.4.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 23:10:14.744 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 23:10:14.744 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 23:10:14.978 INFO blam! 3f46e9c1bd7597c550d77ad159056d8f00719c16eac81c35937a1bdc9b39c00f
Sep 04 23:10:14.980 INFO running `"docker" "start" "-a" "3f46e9c1bd7597c550d77ad159056d8f00719c16eac81c35937a1bdc9b39c00f"`
Sep 04 23:10:15.874 INFO kablam!     Checking currency v0.4.0 (file:///source)
Sep 04 23:10:18.476 INFO kablam! warning: unused import: `std::str::FromStr`
Sep 04 23:10:18.476 INFO kablam!    --> src/lib.rs:752:13
Sep 04 23:10:18.476 INFO kablam!     |
Sep 04 23:10:18.477 INFO kablam! 752 |         use std::str::FromStr;
Sep 04 23:10:18.477 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Sep 04 23:10:18.477 INFO kablam!     |
Sep 04 23:10:18.477 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 04 23:10:18.477 INFO kablam! 
Sep 04 23:10:18.765 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
Sep 04 23:10:18.768 INFO kablam! su: No module specific data is present
Sep 04 23:10:19.698 INFO running `"docker" "rm" "-f" "3f46e9c1bd7597c550d77ad159056d8f00719c16eac81c35937a1bdc9b39c00f"`
Sep 04 23:10:19.779 INFO blam! 3f46e9c1bd7597c550d77ad159056d8f00719c16eac81c35937a1bdc9b39c00f