Nov 05 02:16:30.547 INFO checking bitlab-0.8.1 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 05 02:16:30.548 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-1/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +e740b9aa0b624fa39feb39613e76d15bdf57e594-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 05 02:16:30.958 INFO blam! 672bf6d5c40e9c7e9683b8ed1831ce3939971788d12e431d360c464405ad7197
Nov 05 02:16:30.965 INFO running `"docker" "start" "-a" "672bf6d5c40e9c7e9683b8ed1831ce3939971788d12e431d360c464405ad7197"`
Nov 05 02:16:32.267 INFO kablam! usermod: no changes
Nov 05 02:16:32.387 INFO kablam!     Checking bitlab v0.8.1 (/source)
Nov 05 02:16:34.431 INFO kablam! warning: `#[derive]` does nothing on macro invocations
Nov 05 02:16:34.431 INFO kablam!   --> examples/performance.rs:16:1
Nov 05 02:16:34.431 INFO kablam!    |
Nov 05 02:16:34.431 INFO kablam! 16 | #[derive(Debug)]
Nov 05 02:16:34.431 INFO kablam!    | ^^^^^^^^^^^^^^^^
Nov 05 02:16:34.431 INFO kablam!    |
Nov 05 02:16:34.431 INFO kablam!    = note: this may become a hard error in a future release
Nov 05 02:16:34.431 INFO kablam! 
Nov 05 02:16:37.674 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.38s
Nov 05 02:16:37.681 INFO kablam! su: No module specific data is present
Nov 05 02:16:38.831 INFO running `"docker" "rm" "-f" "672bf6d5c40e9c7e9683b8ed1831ce3939971788d12e431d360c464405ad7197"`
Nov 05 02:16:39.259 INFO blam! 672bf6d5c40e9c7e9683b8ed1831ce3939971788d12e431d360c464405ad7197