Sep 20 05:24:34.784 INFO checking circular-0.2.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 05:24:34.784 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 05:24:34.784 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-5/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 05:24:34.973 INFO blam! 44e6c5d123a47e423a3afcc45fe94dbd3f11d1ca6390368565d101a8a4a704fb
Sep 20 05:24:34.975 INFO running `"docker" "start" "-a" "44e6c5d123a47e423a3afcc45fe94dbd3f11d1ca6390368565d101a8a4a704fb"`
Sep 20 05:24:36.263 INFO kablam! usermod: no changes
Sep 20 05:24:36.291 INFO kablam!     Checking circular v0.2.0 (/source)
Sep 20 05:24:36.590 INFO kablam! warning: unused import: `std::str`
Sep 20 05:24:36.590 INFO kablam!    --> src/lib.rs:387:7
Sep 20 05:24:36.590 INFO kablam!     |
Sep 20 05:24:36.590 INFO kablam! 387 |   use std::str;
Sep 20 05:24:36.590 INFO kablam!     |       ^^^^^^^^
Sep 20 05:24:36.590 INFO kablam!     |
Sep 20 05:24:36.590 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 20 05:24:36.590 INFO kablam! 
Sep 20 05:24:36.842 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Sep 20 05:24:36.848 INFO kablam! su: No module specific data is present
Sep 20 05:24:37.575 INFO running `"docker" "rm" "-f" "44e6c5d123a47e423a3afcc45fe94dbd3f11d1ca6390368565d101a8a4a704fb"`
Sep 20 05:24:37.690 INFO blam! 44e6c5d123a47e423a3afcc45fe94dbd3f11d1ca6390368565d101a8a4a704fb