Dec 12 02:00:48.492 INFO checking Kayren/wardice against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 02:00:48.492 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 02:00:49.000 INFO [stdout] bf18444db80cfb1c901c47faa5e2318ec4411916f9473b9766ec06bd7743ae42
Dec 12 02:00:49.002 INFO running `"docker" "start" "-a" "bf18444db80cfb1c901c47faa5e2318ec4411916f9473b9766ec06bd7743ae42"`
Dec 12 02:00:50.785 INFO [stderr] usermod: no changes
Dec 12 02:00:50.896 INFO [stderr]     Checking ryu v0.2.4
Dec 12 02:00:50.896 INFO [stderr]     Checking serde v1.0.72
Dec 12 02:00:50.896 INFO [stderr]    Compiling serde_derive v1.0.72
Dec 12 02:01:12.876 INFO [stderr]     Checking serde_json v1.0.26
Dec 12 02:01:15.337 INFO [stderr]     Checking wardice v0.1.0 (/source)
Dec 12 02:01:16.780 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 12 02:01:16.780 INFO [stderr]    --> src/lib.rs:233:5
Dec 12 02:01:16.780 INFO [stderr]     |
Dec 12 02:01:16.780 INFO [stderr] 233 |     rolls.clone().into_iter().map(|r| reroll_dice(&mut rerolls, r)).collect::<()>();
Dec 12 02:01:16.780 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:01:16.780 INFO [stderr]     |
Dec 12 02:01:16.780 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 02:01:16.780 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 12 02:01:16.780 INFO [stderr] 
Dec 12 02:01:17.012 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 12 02:01:17.012 INFO [stderr]    --> src/lib.rs:233:5
Dec 12 02:01:17.012 INFO [stderr]     |
Dec 12 02:01:17.012 INFO [stderr] 233 |     rolls.clone().into_iter().map(|r| reroll_dice(&mut rerolls, r)).collect::<()>();
Dec 12 02:01:17.012 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:01:17.012 INFO [stderr]     |
Dec 12 02:01:17.012 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 02:01:17.012 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 12 02:01:17.012 INFO [stderr] 
Dec 12 02:01:20.167 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.34s
Dec 12 02:01:20.177 INFO [stderr] su: No module specific data is present
Dec 12 02:01:21.043 INFO running `"docker" "inspect" "bf18444db80cfb1c901c47faa5e2318ec4411916f9473b9766ec06bd7743ae42"`
Dec 12 02:01:21.440 INFO running `"docker" "rm" "-f" "bf18444db80cfb1c901c47faa5e2318ec4411916f9473b9766ec06bd7743ae42"`
Dec 12 02:01:21.821 INFO [stdout] bf18444db80cfb1c901c47faa5e2318ec4411916f9473b9766ec06bd7743ae42