Sep 20 03:43:38.651 INFO checking circular-0.2.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 20 03:43:38.651 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 20 03:43:38.651 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-5/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:43:38.815 INFO blam! 794b2aeeb64b4651905354e8e93952eed71d766f1558af33e70176bdcfd1ae93
Sep 20 03:43:38.818 INFO running `"docker" "start" "-a" "794b2aeeb64b4651905354e8e93952eed71d766f1558af33e70176bdcfd1ae93"`
Sep 20 03:43:40.098 INFO kablam! usermod: no changes
Sep 20 03:43:40.171 INFO kablam!     Checking circular v0.2.0 (/source)
Sep 20 03:43:40.791 INFO kablam! warning: unused import: `std::str`
Sep 20 03:43:40.791 INFO kablam!    --> src/lib.rs:387:7
Sep 20 03:43:40.791 INFO kablam!     |
Sep 20 03:43:40.791 INFO kablam! 387 |   use std::str;
Sep 20 03:43:40.791 INFO kablam!     |       ^^^^^^^^
Sep 20 03:43:40.791 INFO kablam!     |
Sep 20 03:43:40.791 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 20 03:43:40.791 INFO kablam! 
Sep 20 03:43:41.093 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Sep 20 03:43:41.106 INFO kablam! su: No module specific data is present
Sep 20 03:43:42.282 INFO running `"docker" "rm" "-f" "794b2aeeb64b4651905354e8e93952eed71d766f1558af33e70176bdcfd1ae93"`
Sep 20 03:43:42.579 INFO blam! 794b2aeeb64b4651905354e8e93952eed71d766f1558af33e70176bdcfd1ae93