Sep 18 03:00:44.777 INFO checking byte_channel-0.0.1 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 18 03:00:44.777 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 18 03:00:44.777 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/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 03:00:45.032 INFO blam! 03111655a69c88e68741b408bd079a38195e2410d96aae8c24fa87061f8fbe52
Sep 18 03:00:45.034 INFO running `"docker" "start" "-a" "03111655a69c88e68741b408bd079a38195e2410d96aae8c24fa87061f8fbe52"`
Sep 18 03:00:46.659 INFO kablam! usermod: no changes
Sep 18 03:00:46.693 INFO kablam!     Checking test_futures v0.0.1
Sep 18 03:00:46.693 INFO kablam!     Checking byte_channel v0.0.1 (/source)
Sep 18 03:00:47.421 INFO kablam! warning: unused `#[macro_use]` import
Sep 18 03:00:47.421 INFO kablam!  --> src/lib.rs:2:18
Sep 18 03:00:47.421 INFO kablam!   |
Sep 18 03:00:47.421 INFO kablam! 2 | #[cfg_attr(test, macro_use)]
Sep 18 03:00:47.421 INFO kablam!   |                  ^^^^^^^^^^
Sep 18 03:00:47.421 INFO kablam!   |
Sep 18 03:00:47.421 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 18 03:00:47.421 INFO kablam! 
Sep 18 03:00:47.709 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Sep 18 03:00:47.712 INFO kablam! su: No module specific data is present
Sep 18 03:00:48.679 INFO running `"docker" "rm" "-f" "03111655a69c88e68741b408bd079a38195e2410d96aae8c24fa87061f8fbe52"`
Sep 18 03:00:48.776 INFO blam! 03111655a69c88e68741b408bd079a38195e2410d96aae8c24fa87061f8fbe52