Nov 04 16:34:45.024 INFO checking threadpool-1.7.1 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 16:34:45.024 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-0/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 04 16:34:45.599 INFO blam! 5778b40181308ab257b2d999fb5a7b44494ab02119bae0ba3a63799db6af3425
Nov 04 16:34:45.601 INFO running `"docker" "start" "-a" "5778b40181308ab257b2d999fb5a7b44494ab02119bae0ba3a63799db6af3425"`
Nov 04 16:34:47.036 INFO kablam! usermod: no changes
Nov 04 16:34:47.076 INFO kablam!     Checking threadpool v1.7.1 (/source)
Nov 04 16:34:48.563 INFO kablam! warning: unused arithmetic operation that must be used
Nov 04 16:34:48.564 INFO kablam!    --> src/lib.rs:815:36
Nov 04 16:34:48.564 INFO kablam!     |
Nov 04 16:34:48.564 INFO kablam! 815 |             pool.execute(move || { 1 + 1; });
Nov 04 16:34:48.564 INFO kablam!     |                                    ^^^^^
Nov 04 16:34:48.565 INFO kablam!     |
Nov 04 16:34:48.565 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 04 16:34:48.565 INFO kablam! 
Nov 04 16:34:48.599 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Nov 04 16:34:48.603 INFO kablam! su: No module specific data is present
Nov 04 16:34:49.336 INFO running `"docker" "rm" "-f" "5778b40181308ab257b2d999fb5a7b44494ab02119bae0ba3a63799db6af3425"`
Nov 04 16:34:49.655 INFO blam! 5778b40181308ab257b2d999fb5a7b44494ab02119bae0ba3a63799db6af3425