Nov 09 21:38:39.920 INFO checking workerpool-1.1.1 against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 21:38:39.922 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-2/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 21:38:40.473 INFO blam! 514948f6b50cec60a51517774bf1d5c5e87af1176e600d78ade9dc71ba4bf382
Nov 09 21:38:40.475 INFO running `"docker" "start" "-a" "514948f6b50cec60a51517774bf1d5c5e87af1176e600d78ade9dc71ba4bf382"`
Nov 09 21:38:42.899 INFO kablam! usermod: no changes
Nov 09 21:38:42.983 INFO kablam!     Checking workerpool v1.1.1 (/source)
Nov 09 21:38:44.761 INFO kablam! warning: unused arithmetic operation that must be used
Nov 09 21:38:44.761 INFO kablam!     --> src/lib.rs:1070:46
Nov 09 21:38:44.761 INFO kablam!      |
Nov 09 21:38:44.761 INFO kablam! 1070 |             pool.execute(Thunk::of(move || { 1 + 1; }));
Nov 09 21:38:44.761 INFO kablam!      |                                              ^^^^^
Nov 09 21:38:44.761 INFO kablam!      |
Nov 09 21:38:44.761 INFO kablam!      = note: #[warn(unused_must_use)] on by default
Nov 09 21:38:44.761 INFO kablam! 
Nov 09 21:38:44.834 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
Nov 09 21:38:44.838 INFO kablam! su: No module specific data is present
Nov 09 21:38:45.524 INFO running `"docker" "rm" "-f" "514948f6b50cec60a51517774bf1d5c5e87af1176e600d78ade9dc71ba4bf382"`
Nov 09 21:38:45.784 INFO blam! 514948f6b50cec60a51517774bf1d5c5e87af1176e600d78ade9dc71ba4bf382