Sep 18 01:55:52.912 INFO checking currency-0.4.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 18 01:55:52.912 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 18 01:55:52.912 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 01:55:53.383 INFO blam! fd0c756f904975d8800fc342d26153b14cfd6ded335737406348bb0618b3a1cc
Sep 18 01:55:53.386 INFO running `"docker" "start" "-a" "fd0c756f904975d8800fc342d26153b14cfd6ded335737406348bb0618b3a1cc"`
Sep 18 01:55:54.679 INFO kablam! usermod: no changes
Sep 18 01:55:54.842 INFO kablam!     Checking currency v0.4.0 (/source)
Sep 18 01:55:55.972 INFO kablam! warning: unused import: `std::str::FromStr`
Sep 18 01:55:55.972 INFO kablam!    --> src/lib.rs:752:13
Sep 18 01:55:55.972 INFO kablam!     |
Sep 18 01:55:55.972 INFO kablam! 752 |         use std::str::FromStr;
Sep 18 01:55:55.972 INFO kablam!     |             ^^^^^^^^^^^^^^^^^
Sep 18 01:55:55.972 INFO kablam!     |
Sep 18 01:55:55.972 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 18 01:55:55.972 INFO kablam! 
Sep 18 01:55:56.196 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Sep 18 01:55:56.199 INFO kablam! su: No module specific data is present
Sep 18 01:55:56.611 INFO running `"docker" "rm" "-f" "fd0c756f904975d8800fc342d26153b14cfd6ded335737406348bb0618b3a1cc"`
Sep 18 01:55:56.717 INFO blam! fd0c756f904975d8800fc342d26153b14cfd6ded335737406348bb0618b3a1cc