Dec 05 11:20:07.274 INFO checking kg-template-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 11:20:07.274 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 11:20:07.575 INFO [stdout] ae7a0c96249854588633152ad018480c98f7a1c61aa696f450be32723e8a056e
Dec 05 11:20:07.580 INFO running `"docker" "start" "-a" "ae7a0c96249854588633152ad018480c98f7a1c61aa696f450be32723e8a056e"`
Dec 05 11:20:08.259 INFO [stderr] usermod: no changes
Dec 05 11:20:08.552 INFO [stderr]    Compiling heapsize v0.4.2
Dec 05 11:20:08.556 INFO [stderr]    Compiling memchr v2.1.1
Dec 05 11:20:08.556 INFO [stderr]     Checking kg-utils v0.2.3
Dec 05 11:20:08.557 INFO [stderr]    Compiling synstructure v0.5.2
Dec 05 11:20:08.558 INFO [stderr]    Compiling syn v0.15.22
Dec 05 11:20:08.566 INFO [stderr]     Checking kg-display v0.1.1
Dec 05 11:20:08.567 INFO [stderr]     Checking parking_lot_core v0.3.1
Dec 05 11:20:10.927 INFO [stderr]    Compiling heapsize_derive v0.1.4
Dec 05 11:20:12.795 INFO [stderr]    Compiling nom v4.1.1
Dec 05 11:20:13.381 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 05 11:20:13.381 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Dec 05 11:20:13.391 INFO [stderr]     |
Dec 05 11:20:13.391 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Dec 05 11:20:13.391 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Dec 05 11:20:13.403 INFO [stderr]     |
Dec 05 11:20:13.403 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 05 11:20:13.403 INFO [stderr] 
Dec 05 11:20:14.134 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 05 11:20:14.134 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Dec 05 11:20:14.134 INFO [stderr]     |
Dec 05 11:20:14.134 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Dec 05 11:20:14.134 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Dec 05 11:20:14.134 INFO [stderr]     |
Dec 05 11:20:14.134 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 05 11:20:14.134 INFO [stderr] 
Dec 05 11:20:14.283 INFO [stderr] error: aborting due to previous error
Dec 05 11:20:14.283 INFO [stderr] 
Dec 05 11:20:14.283 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 05 11:20:14.335 INFO [stderr] error: Could not compile `kg-utils`.
Dec 05 11:20:14.335 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 05 11:20:14.943 INFO [stderr] error: aborting due to previous error
Dec 05 11:20:14.955 INFO [stderr] 
Dec 05 11:20:14.955 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 05 11:20:15.003 INFO [stderr] error: Could not compile `kg-utils`.
Dec 05 11:20:15.004 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 05 11:20:37.418 INFO [stderr] error: build failed
Dec 05 11:20:37.423 INFO [stderr] su: No module specific data is present
Dec 05 11:20:38.261 INFO running `"docker" "inspect" "ae7a0c96249854588633152ad018480c98f7a1c61aa696f450be32723e8a056e"`
Dec 05 11:20:38.665 INFO running `"docker" "rm" "-f" "ae7a0c96249854588633152ad018480c98f7a1c61aa696f450be32723e8a056e"`
Dec 05 11:20:39.110 INFO [stdout] ae7a0c96249854588633152ad018480c98f7a1c61aa696f450be32723e8a056e