Sep 10 21:30:32.232 INFO checking cdchunking-0.2.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 21:30:32.232 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 21:30:32.232 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 21:30:32.446 INFO blam! 6c25675732b36b27f52c6bb56a5a4787c8295aff49ed4c442fa0a137938ca4a3
Sep 10 21:30:32.448 INFO running `"docker" "start" "-a" "6c25675732b36b27f52c6bb56a5a4787c8295aff49ed4c442fa0a137938ca4a3"`
Sep 10 21:30:33.059 INFO kablam! usermod: no changes
Sep 10 21:30:33.103 INFO kablam!     Checking cdchunking v0.2.1 (file:///source)
Sep 10 21:30:33.685 INFO kablam! warning: unused variable: `chunk`
Sep 10 21:30:33.685 INFO kablam!    --> src/lib.rs:661:13
Sep 10 21:30:33.685 INFO kablam!     |
Sep 10 21:30:33.685 INFO kablam! 661 |         for chunk in chunker.whole_chunks(random) {
Sep 10 21:30:33.685 INFO kablam!     |             ^^^^^ help: consider using `_chunk` instead
Sep 10 21:30:33.685 INFO kablam!     |
Sep 10 21:30:33.685 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 21:30:33.685 INFO kablam! 
Sep 10 21:30:33.733 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Sep 10 21:30:33.735 INFO kablam! su: No module specific data is present
Sep 10 21:30:34.147 INFO running `"docker" "rm" "-f" "6c25675732b36b27f52c6bb56a5a4787c8295aff49ed4c442fa0a137938ca4a3"`
Sep 10 21:30:34.243 INFO blam! 6c25675732b36b27f52c6bb56a5a4787c8295aff49ed4c442fa0a137938ca4a3