Dec 12 09:55:47.865 INFO checking poisson-0.9.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:55:47.865 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 09:55:48.426 INFO [stdout] c21d3143e01da7976936bd9553033e748f5e17904161037ac36f7644fa304abb
Dec 12 09:55:48.428 INFO running `"docker" "start" "-a" "c21d3143e01da7976936bd9553033e748f5e17904161037ac36f7644fa304abb"`
Dec 12 09:55:49.896 INFO [stderr] usermod: no changes
Dec 12 09:55:50.004 INFO [stderr]     Checking modulo v0.1.2
Dec 12 09:55:50.004 INFO [stderr]     Checking sphere v0.2.0
Dec 12 09:55:51.596 INFO [stderr]     Checking poisson v0.9.0 (/source)
Dec 12 09:56:06.660 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 12 09:56:06.660 INFO [stderr]   --> tests/dim2.rs:21:5
Dec 12 09:56:06.660 INFO [stderr]    |
Dec 12 09:56:06.660 INFO [stderr] 21 |     builder.into_iter().collect::<Vec<Vect>>();
Dec 12 09:56:06.660 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:06.660 INFO [stderr]    |
Dec 12 09:56:06.660 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 09:56:06.660 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 12 09:56:06.660 INFO [stderr] 
Dec 12 09:56:06.660 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 12 09:56:06.660 INFO [stderr]   --> tests/dim2.rs:26:5
Dec 12 09:56:06.660 INFO [stderr]    |
Dec 12 09:56:06.660 INFO [stderr] 26 |     builder.into_iter().collect::<Vec<Vect>>();
Dec 12 09:56:06.660 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:06.660 INFO [stderr]    |
Dec 12 09:56:06.660 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 12 09:56:06.660 INFO [stderr] 
Dec 12 09:56:06.684 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.77s
Dec 12 09:56:06.688 INFO [stderr] su: No module specific data is present
Dec 12 09:56:07.332 INFO running `"docker" "inspect" "c21d3143e01da7976936bd9553033e748f5e17904161037ac36f7644fa304abb"`
Dec 12 09:56:07.614 INFO running `"docker" "rm" "-f" "c21d3143e01da7976936bd9553033e748f5e17904161037ac36f7644fa304abb"`
Dec 12 09:56:07.824 INFO [stdout] c21d3143e01da7976936bd9553033e748f5e17904161037ac36f7644fa304abb