Nov 18 07:59:25.693 INFO testing kg-tree-0.1.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 07:59:25.693 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 07:59:25.875 INFO [stdout] a99cbad6c56466b6be599ea4313b0b67e106dc92729ba30762c58deba2ef3093
Nov 18 07:59:25.877 INFO running `"docker" "start" "-a" "a99cbad6c56466b6be599ea4313b0b67e106dc92729ba30762c58deba2ef3093"`
Nov 18 07:59:26.472 INFO [stderr] usermod: no changes
Nov 18 07:59:26.667 INFO [stderr]    Compiling lock_api v0.1.4
Nov 18 07:59:26.667 INFO [stderr]    Compiling parking_lot_core v0.3.1
Nov 18 07:59:26.679 INFO [stderr]    Compiling kg-utils v0.2.3
Nov 18 07:59:26.679 INFO [stderr]    Compiling synstructure v0.5.2
Nov 18 07:59:26.680 INFO [stderr]    Compiling syn v0.15.21
Nov 18 07:59:26.680 INFO [stderr]    Compiling kg-display v0.1.1
Nov 18 07:59:27.963 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 18 07:59:27.963 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 18 07:59:27.963 INFO [stderr]     |
Nov 18 07:59:27.963 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 18 07:59:27.963 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 18 07:59:27.963 INFO [stderr]     |
Nov 18 07:59:27.963 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 18 07:59:27.963 INFO [stderr] 
Nov 18 07:59:28.174 INFO [stderr] error: aborting due to previous error
Nov 18 07:59:28.175 INFO [stderr] 
Nov 18 07:59:28.175 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 18 07:59:28.190 INFO [stderr] error: Could not compile `kg-utils`.
Nov 18 07:59:28.190 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 18 07:59:51.195 INFO [stderr] error: build failed
Nov 18 07:59:51.196 INFO [stderr] su: No module specific data is present
Nov 18 07:59:51.996 INFO running `"docker" "inspect" "a99cbad6c56466b6be599ea4313b0b67e106dc92729ba30762c58deba2ef3093"`
Nov 18 07:59:52.271 INFO running `"docker" "rm" "-f" "a99cbad6c56466b6be599ea4313b0b67e106dc92729ba30762c58deba2ef3093"`
Nov 18 07:59:52.631 INFO [stdout] a99cbad6c56466b6be599ea4313b0b67e106dc92729ba30762c58deba2ef3093