Nov 28 12:43:54.312 INFO documenting kg-tree-0.1.1 against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 28 12:43:54.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-2/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55318/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/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 +f5a0bd723553ea4b7556bd7087b9f0919cafb483-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 12:43:54.795 INFO [stdout] f751a2e16598c9d5c17c3821da654d5adc6f6df99276ec1c95c076f20b2e4590
Nov 28 12:43:54.798 INFO running `"docker" "start" "-a" "f751a2e16598c9d5c17c3821da654d5adc6f6df99276ec1c95c076f20b2e4590"`
Nov 28 12:43:55.864 INFO [stderr] usermod: no changes
Nov 28 12:43:56.067 INFO [stderr]    Compiling heapsize v0.4.2
Nov 28 12:43:56.071 INFO [stderr]     Checking lock_api v0.1.5
Nov 28 12:43:56.087 INFO [stderr]    Compiling memchr v2.1.1
Nov 28 12:43:56.087 INFO [stderr]    Compiling parking_lot_core v0.3.1
Nov 28 12:43:56.110 INFO [stderr]     Checking kg-utils v0.2.3
Nov 28 12:43:56.110 INFO [stderr]    Compiling heapsize_derive v0.1.4
Nov 28 12:43:56.110 INFO [stderr]     Checking kg-display v0.1.1
Nov 28 12:43:56.110 INFO [stderr]    Compiling serde_derive v1.0.80
Nov 28 12:43:59.163 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 28 12:43:59.164 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 28 12:43:59.164 INFO [stderr]     |
Nov 28 12:43:59.164 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 28 12:43:59.165 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 28 12:43:59.165 INFO [stderr]     |
Nov 28 12:43:59.165 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 28 12:43:59.165 INFO [stderr] 
Nov 28 12:43:59.739 INFO [stderr] error: aborting due to previous error
Nov 28 12:43:59.739 INFO [stderr] 
Nov 28 12:43:59.739 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 28 12:43:59.763 INFO [stderr] error: Could not compile `kg-utils`.
Nov 28 12:43:59.763 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 12:44:02.038 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 28 12:44:02.038 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 28 12:44:02.038 INFO [stderr]     |
Nov 28 12:44:02.038 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 28 12:44:02.038 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 28 12:44:02.045 INFO [stderr]     |
Nov 28 12:44:02.045 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 28 12:44:02.045 INFO [stderr] 
Nov 28 12:44:02.308 INFO [stderr] error: aborting due to previous error
Nov 28 12:44:02.308 INFO [stderr] 
Nov 28 12:44:02.308 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 28 12:44:02.331 INFO [stderr] error: Could not compile `kg-utils`.
Nov 28 12:44:02.332 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 12:44:23.031 INFO [stderr] error: build failed
Nov 28 12:44:23.035 INFO [stderr] su: No module specific data is present
Nov 28 12:44:23.646 INFO running `"docker" "inspect" "f751a2e16598c9d5c17c3821da654d5adc6f6df99276ec1c95c076f20b2e4590"`
Nov 28 12:44:23.932 INFO running `"docker" "rm" "-f" "f751a2e16598c9d5c17c3821da654d5adc6f6df99276ec1c95c076f20b2e4590"`
Nov 28 12:44:24.227 INFO [stdout] f751a2e16598c9d5c17c3821da654d5adc6f6df99276ec1c95c076f20b2e4590