Nov 18 07:59:39.202 INFO testing kg-display-derive-0.1.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 07:59:39.203 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 07:59:39.677 INFO [stdout] c1528b14ca7088b7414181395ed23b976b9b4128a5f94e45c20fc9600c26d59f
Nov 18 07:59:39.683 INFO running `"docker" "start" "-a" "c1528b14ca7088b7414181395ed23b976b9b4128a5f94e45c20fc9600c26d59f"`
Nov 18 07:59:40.750 INFO [stderr] usermod: no changes
Nov 18 07:59:40.847 INFO [stderr]    Compiling kg-utils v0.2.3
Nov 18 07:59:40.847 INFO [stderr]    Compiling syn v0.15.21
Nov 18 07:59:40.855 INFO [stderr]    Compiling kg-display v0.1.1
Nov 18 07:59:42.647 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 18 07:59:42.647 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 18 07:59:42.647 INFO [stderr]     |
Nov 18 07:59:42.647 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 18 07:59:42.647 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 18 07:59:42.663 INFO [stderr]     |
Nov 18 07:59:42.663 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 18 07:59:42.663 INFO [stderr] 
Nov 18 07:59:43.075 INFO [stderr] error: aborting due to previous error
Nov 18 07:59:43.083 INFO [stderr] 
Nov 18 07:59:43.083 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 18 07:59:43.121 INFO [stderr] error: Could not compile `kg-utils`.
Nov 18 07:59:43.121 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 18 08:00:00.346 INFO [stderr] error: build failed
Nov 18 08:00:00.346 INFO [stderr] su: No module specific data is present
Nov 18 08:00:00.893 INFO running `"docker" "inspect" "c1528b14ca7088b7414181395ed23b976b9b4128a5f94e45c20fc9600c26d59f"`
Nov 18 08:00:01.229 INFO running `"docker" "rm" "-f" "c1528b14ca7088b7414181395ed23b976b9b4128a5f94e45c20fc9600c26d59f"`
Nov 18 08:00:01.639 INFO [stdout] c1528b14ca7088b7414181395ed23b976b9b4128a5f94e45c20fc9600c26d59f