Nov 28 23:00:16.561 INFO checking kg-display-derive-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 23:00:16.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 23:00:16.872 INFO [stdout] 1d45018048470f39547ec406f931b1a02d62d9886b6d1f5b5ccbeb2d563a1949
Nov 28 23:00:16.878 INFO running `"docker" "start" "-a" "1d45018048470f39547ec406f931b1a02d62d9886b6d1f5b5ccbeb2d563a1949"`
Nov 28 23:00:18.027 INFO [stderr] usermod: no changes
Nov 28 23:00:18.216 INFO [stderr]    Compiling libc v0.2.44
Nov 28 23:00:18.232 INFO [stderr]    Compiling heapsize v0.4.2
Nov 28 23:00:18.232 INFO [stderr]     Checking kg-utils v0.2.3
Nov 28 23:00:18.232 INFO [stderr]    Compiling syn v0.15.22
Nov 28 23:00:18.232 INFO [stderr]     Checking kg-display v0.1.1
Nov 28 23:00:21.605 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 28 23:00:21.606 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 28 23:00:21.607 INFO [stderr]     |
Nov 28 23:00:21.607 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 28 23:00:21.608 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 28 23:00:21.609 INFO [stderr]     |
Nov 28 23:00:21.609 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 28 23:00:21.610 INFO [stderr] 
Nov 28 23:00:22.516 INFO [stderr] error: aborting due to previous error
Nov 28 23:00:22.517 INFO [stderr] 
Nov 28 23:00:22.518 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 28 23:00:22.561 INFO [stderr] error: Could not compile `kg-utils`.
Nov 28 23:00:22.562 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 23:00:24.364 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 28 23:00:24.364 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 28 23:00:24.364 INFO [stderr]     |
Nov 28 23:00:24.364 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 28 23:00:24.364 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 28 23:00:24.364 INFO [stderr]     |
Nov 28 23:00:24.364 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 28 23:00:24.364 INFO [stderr] 
Nov 28 23:00:24.728 INFO [stderr] error: aborting due to previous error
Nov 28 23:00:24.728 INFO [stderr] 
Nov 28 23:00:24.728 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 28 23:00:24.752 INFO [stderr] error: Could not compile `kg-utils`.
Nov 28 23:00:24.752 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 23:00:49.631 INFO [stderr] error: build failed
Nov 28 23:00:49.633 INFO [stderr] su: No module specific data is present
Nov 28 23:00:50.503 INFO running `"docker" "inspect" "1d45018048470f39547ec406f931b1a02d62d9886b6d1f5b5ccbeb2d563a1949"`
Nov 28 23:00:50.870 INFO running `"docker" "rm" "-f" "1d45018048470f39547ec406f931b1a02d62d9886b6d1f5b5ccbeb2d563a1949"`
Nov 28 23:00:51.240 INFO [stdout] 1d45018048470f39547ec406f931b1a02d62d9886b6d1f5b5ccbeb2d563a1949