Dec 18 14:39:38.447 INFO checking kg-utils-0.2.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:39:38.447 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/kg-utils/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:39:38.626 INFO [stdout] 84d25fa81a57b5896ca267df650d7918c30aa17e569fc8adb261ab5a68833689
Dec 18 14:39:38.628 INFO running `"docker" "start" "-a" "84d25fa81a57b5896ca267df650d7918c30aa17e569fc8adb261ab5a68833689"`
Dec 18 14:39:39.181 INFO [stderr]     Checking kg-utils v0.2.3 (/opt/crater/workdir)
Dec 18 14:39:39.595 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 18 14:39:39.595 INFO [stderr]    --> src/collections/sparse_set.rs:231:11
Dec 18 14:39:39.595 INFO [stderr]     |
Dec 18 14:39:39.595 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Dec 18 14:39:39.595 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Dec 18 14:39:39.595 INFO [stderr]     |
Dec 18 14:39:39.595 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 18 14:39:39.595 INFO [stderr] 
Dec 18 14:39:39.649 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 18 14:39:39.649 INFO [stderr]    --> src/collections/sparse_set.rs:231:11
Dec 18 14:39:39.649 INFO [stderr]     |
Dec 18 14:39:39.649 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Dec 18 14:39:39.649 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Dec 18 14:39:39.649 INFO [stderr]     |
Dec 18 14:39:39.649 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 18 14:39:39.649 INFO [stderr] 
Dec 18 14:39:39.736 INFO [stderr] error: aborting due to previous error
Dec 18 14:39:39.736 INFO [stderr] 
Dec 18 14:39:39.736 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 14:39:39.743 INFO [stderr] error: Could not compile `kg-utils`.
Dec 18 14:39:39.743 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 14:39:39.960 INFO [stderr] error: aborting due to previous error
Dec 18 14:39:39.960 INFO [stderr] 
Dec 18 14:39:39.960 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 14:39:39.974 INFO [stderr] error: Could not compile `kg-utils`.
Dec 18 14:39:39.974 INFO [stderr] 
Dec 18 14:39:39.974 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 14:39:40.525 INFO running `"docker" "inspect" "84d25fa81a57b5896ca267df650d7918c30aa17e569fc8adb261ab5a68833689"`
Dec 18 14:39:40.690 INFO running `"docker" "rm" "-f" "84d25fa81a57b5896ca267df650d7918c30aa17e569fc8adb261ab5a68833689"`
Dec 18 14:39:40.936 INFO [stdout] 84d25fa81a57b5896ca267df650d7918c30aa17e569fc8adb261ab5a68833689