Nov 28 12:43:54.317 INFO documenting kg-tree-0.1.1 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 12:43:54.317 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-0/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55318/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/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 +6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb-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 12:43:54.775 INFO [stdout] 5c7ea9ed676eec68472f10a8b1998607fb32e9b975eeb7396f593b9dd9651fdf
Nov 28 12:43:54.780 INFO running `"docker" "start" "-a" "5c7ea9ed676eec68472f10a8b1998607fb32e9b975eeb7396f593b9dd9651fdf"`
Nov 28 12:43:55.671 INFO [stderr] usermod: no changes
Nov 28 12:43:55.951 INFO [stderr]    Compiling heapsize v0.4.2
Nov 28 12:43:55.955 INFO [stderr]     Checking lock_api v0.1.5
Nov 28 12:43:55.955 INFO [stderr]    Compiling memchr v2.1.1
Nov 28 12:43:55.955 INFO [stderr]    Compiling parking_lot_core v0.3.1
Nov 28 12:43:55.955 INFO [stderr]    Compiling syn v0.15.22
Nov 28 12:43:55.967 INFO [stderr]    Compiling heapsize_derive v0.1.4
Nov 28 12:43:55.967 INFO [stderr]     Checking kg-display v0.1.1
Nov 28 12:44:01.175 INFO [stderr]    Compiling nom v4.1.1
Nov 28 12:44:02.332 INFO [stderr]     Checking kg-utils v0.2.3
Nov 28 12:44:03.737 INFO [stderr]     Checking parking_lot v0.6.4
Nov 28 12:44:05.087 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 28 12:44:05.087 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 28 12:44:05.087 INFO [stderr]     |
Nov 28 12:44:05.087 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 28 12:44:05.087 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 28 12:44:05.087 INFO [stderr]     |
Nov 28 12:44:05.087 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 28 12:44:05.087 INFO [stderr] 
Nov 28 12:44:05.295 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 28 12:44:05.295 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 28 12:44:05.295 INFO [stderr]     |
Nov 28 12:44:05.295 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 28 12:44:05.295 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 28 12:44:05.295 INFO [stderr]     |
Nov 28 12:44:05.295 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 28 12:44:05.295 INFO [stderr] 
Nov 28 12:44:05.467 INFO [stderr] error: aborting due to previous error
Nov 28 12:44:05.467 INFO [stderr] 
Nov 28 12:44:05.467 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 28 12:44:05.475 INFO [stderr] error: Could not compile `kg-utils`.
Nov 28 12:44:05.475 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 12:44:05.931 INFO [stderr] error: aborting due to previous error
Nov 28 12:44:05.947 INFO [stderr] 
Nov 28 12:44:05.947 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 28 12:44:05.998 INFO [stderr] error: Could not compile `kg-utils`.
Nov 28 12:44:06.002 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 12:44:24.338 INFO [stderr] error: build failed
Nov 28 12:44:24.340 INFO [stderr] su: No module specific data is present
Nov 28 12:44:24.810 INFO running `"docker" "inspect" "5c7ea9ed676eec68472f10a8b1998607fb32e9b975eeb7396f593b9dd9651fdf"`
Nov 28 12:44:25.285 INFO running `"docker" "rm" "-f" "5c7ea9ed676eec68472f10a8b1998607fb32e9b975eeb7396f593b9dd9651fdf"`
Nov 28 12:44:25.609 INFO [stdout] 5c7ea9ed676eec68472f10a8b1998607fb32e9b975eeb7396f593b9dd9651fdf