Dec 15 06:51:06.472 INFO testing kg-template-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 15 06:51:06.472 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 15 06:51:06.850 INFO [stdout] 80c9198a263b1e60ba1ec27954b4c25e67aa3a55a3e8f8c2dd06662652110412 Dec 15 06:51:06.853 INFO running `"docker" "start" "-a" "80c9198a263b1e60ba1ec27954b4c25e67aa3a55a3e8f8c2dd06662652110412"` Dec 15 06:51:08.271 INFO [stderr] usermod: no changes Dec 15 06:51:08.459 INFO [stderr] Compiling kg-utils v0.2.3 Dec 15 06:51:08.459 INFO [stderr] Compiling syn v0.15.22 Dec 15 06:51:08.462 INFO [stderr] Compiling heapsize_derive v0.1.4 Dec 15 06:51:08.475 INFO [stderr] Compiling kg-display v0.1.1 Dec 15 06:51:08.475 INFO [stderr] Compiling parking_lot_core v0.3.1 Dec 15 06:51:10.927 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724) Dec 15 06:51:10.927 INFO [stderr] --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11 Dec 15 06:51:10.928 INFO [stderr] | Dec 15 06:51:10.928 INFO [stderr] 231 | match Layout::array::(size) { Dec 15 06:51:10.928 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 15 06:51:10.947 INFO [stderr] | Dec 15 06:51:10.947 INFO [stderr] = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable Dec 15 06:51:10.948 INFO [stderr] Dec 15 06:51:11.651 INFO [stderr] error: aborting due to previous error Dec 15 06:51:11.667 INFO [stderr] Dec 15 06:51:11.668 INFO [stderr] For more information about this error, try `rustc --explain E0658`. Dec 15 06:51:11.721 INFO [stderr] error: Could not compile `kg-utils`. Dec 15 06:51:11.721 INFO [stderr] warning: build failed, waiting for other jobs to finish... Dec 15 06:51:29.981 INFO [stderr] error: build failed Dec 15 06:51:29.981 INFO [stderr] su: No module specific data is present Dec 15 06:51:30.553 INFO running `"docker" "inspect" "80c9198a263b1e60ba1ec27954b4c25e67aa3a55a3e8f8c2dd06662652110412"` Dec 15 06:51:30.825 INFO running `"docker" "rm" "-f" "80c9198a263b1e60ba1ec27954b4c25e67aa3a55a3e8f8c2dd06662652110412"` Dec 15 06:51:31.162 INFO [stdout] 80c9198a263b1e60ba1ec27954b4c25e67aa3a55a3e8f8c2dd06662652110412