Nov 18 07:59:29.458 INFO testing kg-io-0.1.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982 Nov 18 07:59:29.459 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 07:59:29.888 INFO [stdout] c01f8a48ebaa2d322b2b8d197dfd87ed750cefbf08ca33b66dc652a635dbeec5 Nov 18 07:59:29.891 INFO running `"docker" "start" "-a" "c01f8a48ebaa2d322b2b8d197dfd87ed750cefbf08ca33b66dc652a635dbeec5"` Nov 18 07:59:31.475 INFO [stderr] usermod: no changes Nov 18 07:59:31.623 INFO [stderr] Compiling kg-utils v0.2.3 Nov 18 07:59:31.624 INFO [stderr] Compiling nom v4.1.1 Nov 18 07:59:32.763 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724) Nov 18 07:59:32.763 INFO [stderr] --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-utils-0.2.3/src/collections/sparse_set.rs:231:11 Nov 18 07:59:32.763 INFO [stderr] | Nov 18 07:59:32.763 INFO [stderr] 231 | match Layout::array::(size) { Nov 18 07:59:32.763 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 18 07:59:32.763 INFO [stderr] | Nov 18 07:59:32.763 INFO [stderr] = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable Nov 18 07:59:32.763 INFO [stderr] Nov 18 07:59:33.021 INFO [stderr] error: aborting due to previous error Nov 18 07:59:33.021 INFO [stderr] Nov 18 07:59:33.022 INFO [stderr] For more information about this error, try `rustc --explain E0658`. Nov 18 07:59:33.047 INFO [stderr] error: Could not compile `kg-utils`. Nov 18 07:59:33.048 INFO [stderr] warning: build failed, waiting for other jobs to finish... Nov 18 07:59:35.246 INFO [stderr] error: build failed Nov 18 07:59:35.247 INFO [stderr] su: No module specific data is present Nov 18 07:59:36.396 INFO running `"docker" "inspect" "c01f8a48ebaa2d322b2b8d197dfd87ed750cefbf08ca33b66dc652a635dbeec5"` Nov 18 07:59:36.783 INFO running `"docker" "rm" "-f" "c01f8a48ebaa2d322b2b8d197dfd87ed750cefbf08ca33b66dc652a635dbeec5"` Nov 18 07:59:37.175 INFO [stdout] c01f8a48ebaa2d322b2b8d197dfd87ed750cefbf08ca33b66dc652a635dbeec5