Sep 18 02:42:06.930 INFO checking cdchunking-0.2.1 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 18 02:42:06.930 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 18 02:42:06.930 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-6/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 02:42:07.145 INFO blam! d379b0bf2af331697b5dd43b61765c97cd24448ac0a00b007358e4a17c8a74e7
Sep 18 02:42:07.147 INFO running `"docker" "start" "-a" "d379b0bf2af331697b5dd43b61765c97cd24448ac0a00b007358e4a17c8a74e7"`
Sep 18 02:42:08.269 INFO kablam! usermod: no changes
Sep 18 02:42:08.309 INFO kablam!     Checking cdchunking v0.2.1 (/source)
Sep 18 02:42:08.938 INFO kablam! warning: unused variable: `chunk`
Sep 18 02:42:08.939 INFO kablam!    --> src/lib.rs:661:13
Sep 18 02:42:08.939 INFO kablam!     |
Sep 18 02:42:08.939 INFO kablam! 661 |         for chunk in chunker.whole_chunks(random) {
Sep 18 02:42:08.939 INFO kablam!     |             ^^^^^ help: consider using `_chunk` instead
Sep 18 02:42:08.939 INFO kablam!     |
Sep 18 02:42:08.939 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 18 02:42:08.939 INFO kablam! 
Sep 18 02:42:09.010 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Sep 18 02:42:09.014 INFO kablam! su: No module specific data is present
Sep 18 02:42:09.811 INFO running `"docker" "rm" "-f" "d379b0bf2af331697b5dd43b61765c97cd24448ac0a00b007358e4a17c8a74e7"`
Sep 18 02:42:09.930 INFO blam! d379b0bf2af331697b5dd43b61765c97cd24448ac0a00b007358e4a17c8a74e7