Dec 07 09:15:40.254 INFO testing kg-diag-0.1.0 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514 Dec 07 09:15:40.254 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 09:15:40.476 INFO [stdout] 72c73b8cf2ec4ca207a95ae5f4d4993234f78158d5d4015696c4625478101610 Dec 07 09:15:40.481 INFO running `"docker" "start" "-a" "72c73b8cf2ec4ca207a95ae5f4d4993234f78158d5d4015696c4625478101610"` Dec 07 09:15:41.084 INFO [stderr] usermod: no changes Dec 07 09:15:41.202 INFO [stderr] Compiling kg-utils v0.2.3 Dec 07 09:15:41.204 INFO [stderr] Compiling kg-display v0.1.1 Dec 07 09:15:41.208 INFO [stderr] Compiling synstructure v0.10.1 Dec 07 09:15:42.244 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724) Dec 07 09:15:42.244 INFO [stderr] --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11 Dec 07 09:15:42.244 INFO [stderr] | Dec 07 09:15:42.244 INFO [stderr] 231 | match Layout::array::(size) { Dec 07 09:15:42.244 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 07 09:15:42.244 INFO [stderr] | Dec 07 09:15:42.244 INFO [stderr] = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable Dec 07 09:15:42.244 INFO [stderr] Dec 07 09:15:42.360 INFO [stderr] error: aborting due to previous error Dec 07 09:15:42.360 INFO [stderr] Dec 07 09:15:42.360 INFO [stderr] For more information about this error, try `rustc --explain E0658`. Dec 07 09:15:42.362 INFO [stderr] error: Could not compile `kg-utils`. Dec 07 09:15:42.362 INFO [stderr] warning: build failed, waiting for other jobs to finish... Dec 07 09:15:46.828 INFO [stderr] error: build failed Dec 07 09:15:46.833 INFO [stderr] su: No module specific data is present Dec 07 09:15:47.364 INFO running `"docker" "inspect" "72c73b8cf2ec4ca207a95ae5f4d4993234f78158d5d4015696c4625478101610"` Dec 07 09:15:47.594 INFO running `"docker" "rm" "-f" "72c73b8cf2ec4ca207a95ae5f4d4993234f78158d5d4015696c4625478101610"` Dec 07 09:15:47.920 INFO [stdout] 72c73b8cf2ec4ca207a95ae5f4d4993234f78158d5d4015696c4625478101610