Dec 15 06:50:58.217 INFO testing kg-utils-0.2.3 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 06:50:58.217 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 06:50:58.828 INFO [stdout] a896d9bf23a5e3e0f0eb2f8fbc4422eeb74311dd9c682322e9c24ed11fcda24c
Dec 15 06:50:58.831 INFO running `"docker" "start" "-a" "a896d9bf23a5e3e0f0eb2f8fbc4422eeb74311dd9c682322e9c24ed11fcda24c"`
Dec 15 06:51:00.294 INFO [stderr] usermod: no changes
Dec 15 06:51:00.415 INFO [stderr]    Compiling kg-utils v0.2.3 (/source)
Dec 15 06:51:01.379 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 15 06:51:01.379 INFO [stderr]    --> src/collections/sparse_set.rs:231:11
Dec 15 06:51:01.379 INFO [stderr]     |
Dec 15 06:51:01.379 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Dec 15 06:51:01.379 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Dec 15 06:51:01.379 INFO [stderr]     |
Dec 15 06:51:01.379 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 15 06:51:01.379 INFO [stderr] 
Dec 15 06:51:01.491 INFO [stderr] error: aborting due to previous error
Dec 15 06:51:01.491 INFO [stderr] 
Dec 15 06:51:01.491 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 15 06:51:01.498 INFO [stderr] error: Could not compile `kg-utils`.
Dec 15 06:51:01.498 INFO [stderr] 
Dec 15 06:51:01.498 INFO [stderr] To learn more, run the command again with --verbose.
Dec 15 06:51:01.499 INFO [stderr] su: No module specific data is present
Dec 15 06:51:02.383 INFO running `"docker" "inspect" "a896d9bf23a5e3e0f0eb2f8fbc4422eeb74311dd9c682322e9c24ed11fcda24c"`
Dec 15 06:51:02.595 INFO running `"docker" "rm" "-f" "a896d9bf23a5e3e0f0eb2f8fbc4422eeb74311dd9c682322e9c24ed11fcda24c"`
Dec 15 06:51:02.837 INFO [stdout] a896d9bf23a5e3e0f0eb2f8fbc4422eeb74311dd9c682322e9c24ed11fcda24c