Nov 30 20:24:17.593 INFO checking kg-display-derive-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 20:24:17.593 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 20:24:18.068 INFO [stdout] ab30195f80c817bff85f3bcb727eccb9970a9ba491e13de34f782c51ee4bfab3
Nov 30 20:24:18.070 INFO running `"docker" "start" "-a" "ab30195f80c817bff85f3bcb727eccb9970a9ba491e13de34f782c51ee4bfab3"`
Nov 30 20:24:19.648 INFO [stderr] usermod: no changes
Nov 30 20:24:19.778 INFO [stderr]    Compiling libc v0.2.44
Nov 30 20:24:19.778 INFO [stderr]    Compiling heapsize v0.4.2
Nov 30 20:24:19.781 INFO [stderr]     Checking kg-utils v0.2.3
Nov 30 20:24:19.781 INFO [stderr]     Checking syn v0.15.22
Nov 30 20:24:19.782 INFO [stderr]     Checking kg-display v0.1.1
Nov 30 20:24:22.908 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 30 20:24:22.908 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 30 20:24:22.908 INFO [stderr]     |
Nov 30 20:24:22.908 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 30 20:24:22.908 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 30 20:24:22.908 INFO [stderr]     |
Nov 30 20:24:22.908 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 30 20:24:22.908 INFO [stderr] 
Nov 30 20:24:23.230 INFO [stderr] error: aborting due to previous error
Nov 30 20:24:23.230 INFO [stderr] 
Nov 30 20:24:23.238 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 30 20:24:23.238 INFO [stderr] error: Could not compile `kg-utils`.
Nov 30 20:24:23.238 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 30 20:24:24.688 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 30 20:24:24.689 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 30 20:24:24.692 INFO [stderr]     |
Nov 30 20:24:24.692 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 30 20:24:24.692 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 30 20:24:24.692 INFO [stderr]     |
Nov 30 20:24:24.692 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 30 20:24:24.692 INFO [stderr] 
Nov 30 20:24:25.040 INFO [stderr] error: aborting due to previous error
Nov 30 20:24:25.040 INFO [stderr] 
Nov 30 20:24:25.040 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 30 20:24:25.064 INFO [stderr] error: Could not compile `kg-utils`.
Nov 30 20:24:25.065 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 30 20:24:35.583 INFO [stderr] error: build failed
Nov 30 20:24:35.585 INFO [stderr] su: No module specific data is present
Nov 30 20:24:36.094 INFO running `"docker" "inspect" "ab30195f80c817bff85f3bcb727eccb9970a9ba491e13de34f782c51ee4bfab3"`
Nov 30 20:24:36.450 INFO running `"docker" "rm" "-f" "ab30195f80c817bff85f3bcb727eccb9970a9ba491e13de34f782c51ee4bfab3"`
Nov 30 20:24:36.770 INFO [stdout] ab30195f80c817bff85f3bcb727eccb9970a9ba491e13de34f782c51ee4bfab3