Sep 10 22:10:16.766 INFO checking bitlab-0.8.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 22:10:16.766 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 22:10:16.766 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/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 22:10:16.965 INFO blam! 2a5df7777f2fb2bca5ba527749d8f0d7750f1a77ada8753d85190c8de6af8780
Sep 10 22:10:16.967 INFO running `"docker" "start" "-a" "2a5df7777f2fb2bca5ba527749d8f0d7750f1a77ada8753d85190c8de6af8780"`
Sep 10 22:10:17.930 INFO kablam! usermod: no changes
Sep 10 22:10:18.008 INFO kablam!     Checking bitlab v0.8.1 (file:///source)
Sep 10 22:10:20.402 INFO kablam! warning: `#[derive]` does nothing on macro invocations
Sep 10 22:10:20.402 INFO kablam!   --> examples/performance.rs:16:1
Sep 10 22:10:20.402 INFO kablam!    |
Sep 10 22:10:20.402 INFO kablam! 16 | #[derive(Debug)]
Sep 10 22:10:20.402 INFO kablam!    | ^^^^^^^^^^^^^^^^
Sep 10 22:10:20.402 INFO kablam!    |
Sep 10 22:10:20.402 INFO kablam!    = note: this may become a hard error in a future release
Sep 10 22:10:20.402 INFO kablam! 
Sep 10 22:10:22.605 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.64s
Sep 10 22:10:22.605 INFO kablam! su: No module specific data is present
Sep 10 22:10:23.316 INFO running `"docker" "rm" "-f" "2a5df7777f2fb2bca5ba527749d8f0d7750f1a77ada8753d85190c8de6af8780"`
Sep 10 22:10:23.442 INFO blam! 2a5df7777f2fb2bca5ba527749d8f0d7750f1a77ada8753d85190c8de6af8780