Dec 05 11:20:20.601 INFO checking kg-io-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:20:20.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 11:20:20.896 INFO [stdout] 8fb2f59df168b94d15e9b2675a2fb5a3c2c1dfd40d712165d5ca90eafe923586
Dec 05 11:20:20.898 INFO running `"docker" "start" "-a" "8fb2f59df168b94d15e9b2675a2fb5a3c2c1dfd40d712165d5ca90eafe923586"`
Dec 05 11:20:21.350 INFO [stderr] usermod: no changes
Dec 05 11:20:21.501 INFO [stderr]     Checking assert_approx_eq v1.0.0
Dec 05 11:20:21.503 INFO [stderr]    Compiling heapsize v0.4.2
Dec 05 11:20:21.503 INFO [stderr]    Compiling memchr v2.1.1
Dec 05 11:20:22.147 INFO [stderr]    Compiling kg-utils v0.2.3
Dec 05 11:20:23.625 INFO [stderr]    Compiling nom v4.1.1
Dec 05 11:20:23.711 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 05 11:20:23.711 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11
Dec 05 11:20:23.712 INFO [stderr]     |
Dec 05 11:20:23.712 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Dec 05 11:20:23.712 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Dec 05 11:20:23.713 INFO [stderr]     |
Dec 05 11:20:23.713 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 05 11:20:23.713 INFO [stderr] 
Dec 05 11:20:23.883 INFO [stderr] error: aborting due to previous error
Dec 05 11:20:23.883 INFO [stderr] 
Dec 05 11:20:23.884 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 05 11:20:23.896 INFO [stderr] error: Could not compile `kg-utils`.
Dec 05 11:20:23.897 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 05 11:20:26.899 INFO [stderr] error: build failed
Dec 05 11:20:26.901 INFO [stderr] su: No module specific data is present
Dec 05 11:20:28.367 INFO running `"docker" "inspect" "8fb2f59df168b94d15e9b2675a2fb5a3c2c1dfd40d712165d5ca90eafe923586"`
Dec 05 11:20:28.765 INFO running `"docker" "rm" "-f" "8fb2f59df168b94d15e9b2675a2fb5a3c2c1dfd40d712165d5ca90eafe923586"`
Dec 05 11:20:29.107 INFO [stdout] 8fb2f59df168b94d15e9b2675a2fb5a3c2c1dfd40d712165d5ca90eafe923586