Sep 18 01:55:52.860 INFO checking currency-0.4.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 18 01:55:52.860 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 18 01:55:52.860 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-1/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 01:55:53.295 INFO blam! a5959d1f8b4ac50da742901b5ea8bfe866f5d8d877fb83902e07a9deed3b7c6c
Sep 18 01:55:53.298 INFO running `"docker" "start" "-a" "a5959d1f8b4ac50da742901b5ea8bfe866f5d8d877fb83902e07a9deed3b7c6c"`
Sep 18 01:55:54.208 INFO kablam! usermod: no changes
Sep 18 01:55:54.355 INFO kablam!     Checking currency v0.4.0 (/source)
Sep 18 01:55:55.595 INFO kablam! warning: unused import: `std::str::FromStr`
Sep 18 01:55:55.595 INFO kablam!    --> src/lib.rs:752:13
Sep 18 01:55:55.595 INFO kablam!     |
Sep 18 01:55:55.595 INFO kablam! 752 |         use std::str::FromStr;
Sep 18 01:55:55.595 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Sep 18 01:55:55.595 INFO kablam!     |
Sep 18 01:55:55.595 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 18 01:55:55.595 INFO kablam! 
Sep 18 01:55:55.855 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
Sep 18 01:55:55.858 INFO kablam! su: No module specific data is present
Sep 18 01:55:56.428 INFO running `"docker" "rm" "-f" "a5959d1f8b4ac50da742901b5ea8bfe866f5d8d877fb83902e07a9deed3b7c6c"`
Sep 18 01:55:56.508 INFO blam! a5959d1f8b4ac50da742901b5ea8bfe866f5d8d877fb83902e07a9deed3b7c6c