Dec 05 11:20:21.259 INFO checking kg-display-derive-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:20:21.260 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 11:20:21.687 INFO [stdout] c59354781ea18aa857ace10b7ffc123a78a4ebca5f5efe4f0a98a12e66a126cc
Dec 05 11:20:21.689 INFO running `"docker" "start" "-a" "c59354781ea18aa857ace10b7ffc123a78a4ebca5f5efe4f0a98a12e66a126cc"`
Dec 05 11:20:23.086 INFO [stderr] usermod: no changes
Dec 05 11:20:23.203 INFO [stderr]    Compiling libc v0.2.44
Dec 05 11:20:23.203 INFO [stderr]    Compiling heapsize v0.4.2
Dec 05 11:20:23.215 INFO [stderr]     Checking kg-utils v0.2.3
Dec 05 11:20:23.215 INFO [stderr]    Compiling syn v0.15.22
Dec 05 11:20:23.227 INFO [stderr]     Checking kg-display v0.1.1
Dec 05 11:20:27.525 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 05 11:20:27.525 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Dec 05 11:20:27.525 INFO [stderr]     |
Dec 05 11:20:27.525 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Dec 05 11:20:27.525 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Dec 05 11:20:27.525 INFO [stderr]     |
Dec 05 11:20:27.525 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 05 11:20:27.525 INFO [stderr] 
Dec 05 11:20:28.451 INFO [stderr] error: aborting due to previous error
Dec 05 11:20:28.451 INFO [stderr] 
Dec 05 11:20:28.451 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 05 11:20:28.491 INFO [stderr] error: Could not compile `kg-utils`.
Dec 05 11:20:28.492 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 05 11:20:29.733 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 05 11:20:29.733 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Dec 05 11:20:29.733 INFO [stderr]     |
Dec 05 11:20:29.733 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Dec 05 11:20:29.733 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Dec 05 11:20:29.733 INFO [stderr]     |
Dec 05 11:20:29.733 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 05 11:20:29.733 INFO [stderr] 
Dec 05 11:20:30.495 INFO [stderr] error: aborting due to previous error
Dec 05 11:20:30.495 INFO [stderr] 
Dec 05 11:20:30.495 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 05 11:20:30.535 INFO [stderr] error: Could not compile `kg-utils`.
Dec 05 11:20:30.535 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 05 11:20:51.341 INFO [stderr] error: build failed
Dec 05 11:20:51.342 INFO [stderr] su: No module specific data is present
Dec 05 11:20:51.940 INFO running `"docker" "inspect" "c59354781ea18aa857ace10b7ffc123a78a4ebca5f5efe4f0a98a12e66a126cc"`
Dec 05 11:20:52.189 INFO running `"docker" "rm" "-f" "c59354781ea18aa857ace10b7ffc123a78a4ebca5f5efe4f0a98a12e66a126cc"`
Dec 05 11:20:52.517 INFO [stdout] c59354781ea18aa857ace10b7ffc123a78a4ebca5f5efe4f0a98a12e66a126cc