Nov 18 07:59:26.904 INFO testing kg-tree-0.1.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 07:59:26.906 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 07:59:27.418 INFO [stdout] 4b6a5c7f0afdbbbdbf79775ea784208d04572b58fd3199f0d5aa6f697a2a0134
Nov 18 07:59:27.425 INFO running `"docker" "start" "-a" "4b6a5c7f0afdbbbdbf79775ea784208d04572b58fd3199f0d5aa6f697a2a0134"`
Nov 18 07:59:28.579 INFO [stderr] usermod: no changes
Nov 18 07:59:28.816 INFO [stderr]    Compiling kg-utils v0.2.3
Nov 18 07:59:28.816 INFO [stderr]    Compiling synstructure v0.5.2
Nov 18 07:59:28.816 INFO [stderr]    Compiling syn v0.15.21
Nov 18 07:59:28.827 INFO [stderr]    Compiling kg-display v0.1.1
Nov 18 07:59:28.827 INFO [stderr]    Compiling parking_lot_core v0.3.1
Nov 18 07:59:30.953 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 18 07:59:30.953 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Nov 18 07:59:30.954 INFO [stderr]     |
Nov 18 07:59:30.954 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Nov 18 07:59:30.954 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Nov 18 07:59:30.954 INFO [stderr]     |
Nov 18 07:59:30.954 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 18 07:59:30.954 INFO [stderr] 
Nov 18 07:59:31.181 INFO [stderr]    Compiling heapsize_derive v0.1.4
Nov 18 07:59:31.677 INFO [stderr] error: aborting due to previous error
Nov 18 07:59:31.677 INFO [stderr] 
Nov 18 07:59:31.677 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 18 07:59:31.699 INFO [stderr] error: Could not compile `kg-utils`.
Nov 18 07:59:31.699 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 18 07:59:53.319 INFO [stderr] error: build failed
Nov 18 07:59:53.326 INFO [stderr] su: No module specific data is present
Nov 18 07:59:54.095 INFO running `"docker" "inspect" "4b6a5c7f0afdbbbdbf79775ea784208d04572b58fd3199f0d5aa6f697a2a0134"`
Nov 18 07:59:54.395 INFO running `"docker" "rm" "-f" "4b6a5c7f0afdbbbdbf79775ea784208d04572b58fd3199f0d5aa6f697a2a0134"`
Nov 18 07:59:54.678 INFO [stdout] 4b6a5c7f0afdbbbdbf79775ea784208d04572b58fd3199f0d5aa6f697a2a0134