Sep 21 12:14:08.354 INFO checking circular-0.2.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 12:14:08.354 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 12:14:08.354 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 12:14:08.580 INFO blam! ba4dc89bfedb9d2f12cbeb03d3cfaa534080ab447caba82dbecaca834714814c
Sep 21 12:14:08.582 INFO running `"docker" "start" "-a" "ba4dc89bfedb9d2f12cbeb03d3cfaa534080ab447caba82dbecaca834714814c"`
Sep 21 12:14:09.990 INFO kablam! usermod: no changes
Sep 21 12:14:10.042 INFO kablam!     Checking circular v0.2.0 (/source)
Sep 21 12:14:10.877 INFO kablam! warning: unused import: `std::str`
Sep 21 12:14:10.877 INFO kablam!    --> src/lib.rs:387:7
Sep 21 12:14:10.877 INFO kablam!     |
Sep 21 12:14:10.877 INFO kablam! 387 |   use std::str;
Sep 21 12:14:10.877 INFO kablam!     |       ^^^^^^^^
Sep 21 12:14:10.877 INFO kablam!     |
Sep 21 12:14:10.877 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 21 12:14:10.877 INFO kablam! 
Sep 21 12:14:11.245 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Sep 21 12:14:11.248 INFO kablam! su: No module specific data is present
Sep 21 12:14:12.278 INFO running `"docker" "rm" "-f" "ba4dc89bfedb9d2f12cbeb03d3cfaa534080ab447caba82dbecaca834714814c"`
Sep 21 12:14:12.391 INFO blam! ba4dc89bfedb9d2f12cbeb03d3cfaa534080ab447caba82dbecaca834714814c