Sep 02 18:13:42.523 INFO checking circular-0.2.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 18:13:42.523 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 18:13:42.524 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/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 02 18:13:42.766 INFO blam! 50eef1a53abfa1da1280a39e90e28e49146b24b2422d2d4d364936a9efe1b7fe
Sep 02 18:13:42.769 INFO running `"docker" "start" "-a" "50eef1a53abfa1da1280a39e90e28e49146b24b2422d2d4d364936a9efe1b7fe"`
Sep 02 18:13:43.623 INFO kablam!     Checking circular v0.2.0 (file:///source)
Sep 02 18:13:44.671 INFO kablam! warning: unused import: `std::str`
Sep 02 18:13:44.671 INFO kablam!    --> src/lib.rs:387:7
Sep 02 18:13:44.671 INFO kablam!     |
Sep 02 18:13:44.671 INFO kablam! 387 |   use std::str;
Sep 02 18:13:44.671 INFO kablam!     |       ^^^^^^^^
Sep 02 18:13:44.672 INFO kablam!     |
Sep 02 18:13:44.672 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 02 18:13:44.673 INFO kablam! 
Sep 02 18:13:45.321 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Sep 02 18:13:45.324 INFO kablam! su: No module specific data is present
Sep 02 18:13:45.794 INFO running `"docker" "rm" "-f" "50eef1a53abfa1da1280a39e90e28e49146b24b2422d2d4d364936a9efe1b7fe"`
Sep 02 18:13:45.965 INFO blam! 50eef1a53abfa1da1280a39e90e28e49146b24b2422d2d4d364936a9efe1b7fe