Sep 01 23:23:35.083 INFO checking currency-0.4.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 23:23:35.083 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 23:23:35.083 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 23:23:35.302 INFO blam! d17c885ace894eecdd49da86758fbe651e37aa07128422c87eec9601c891baa6
Sep 01 23:23:35.304 INFO running `"docker" "start" "-a" "d17c885ace894eecdd49da86758fbe651e37aa07128422c87eec9601c891baa6"`
Sep 01 23:23:36.010 INFO kablam!     Checking currency v0.4.0 (file:///source)
Sep 01 23:23:38.674 INFO kablam! warning: unused import: `std::str::FromStr`
Sep 01 23:23:38.674 INFO kablam!    --> src/lib.rs:752:13
Sep 01 23:23:38.674 INFO kablam!     |
Sep 01 23:23:38.674 INFO kablam! 752 |         use std::str::FromStr;
Sep 01 23:23:38.674 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Sep 01 23:23:38.674 INFO kablam!     |
Sep 01 23:23:38.674 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 01 23:23:38.674 INFO kablam! 
Sep 01 23:23:38.931 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
Sep 01 23:23:38.935 INFO kablam! su: No module specific data is present
Sep 01 23:23:39.559 INFO running `"docker" "rm" "-f" "d17c885ace894eecdd49da86758fbe651e37aa07128422c87eec9601c891baa6"`
Sep 01 23:23:39.670 INFO blam! d17c885ace894eecdd49da86758fbe651e37aa07128422c87eec9601c891baa6