Dec 12 12:24:31.817 INFO checking kg-utils-0.2.3 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:24:31.817 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 12:24:32.211 INFO [stdout] 1d4f9f3b91a66f2200b35d221e699a03ff379a1e5c24d67184f0b0047402ff85
Dec 12 12:24:32.214 INFO running `"docker" "start" "-a" "1d4f9f3b91a66f2200b35d221e699a03ff379a1e5c24d67184f0b0047402ff85"`
Dec 12 12:24:33.492 INFO [stderr] usermod: no changes
Dec 12 12:24:33.588 INFO [stderr]     Checking kg-utils v0.2.3 (/source)
Dec 12 12:24:34.704 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 12 12:24:34.704 INFO [stderr]    --> src/collections/sparse_set.rs:231:11
Dec 12 12:24:34.704 INFO [stderr]     |
Dec 12 12:24:34.704 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Dec 12 12:24:34.704 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Dec 12 12:24:34.704 INFO [stderr]     |
Dec 12 12:24:34.704 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 12 12:24:34.704 INFO [stderr] 
Dec 12 12:24:34.765 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 12 12:24:34.765 INFO [stderr]    --> src/collections/sparse_set.rs:231:11
Dec 12 12:24:34.765 INFO [stderr]     |
Dec 12 12:24:34.765 INFO [stderr] 231 |     match Layout::array::<T>(size) {
Dec 12 12:24:34.765 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^
Dec 12 12:24:34.765 INFO [stderr]     |
Dec 12 12:24:34.765 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 12 12:24:34.765 INFO [stderr] 
Dec 12 12:24:34.888 INFO [stderr] error: aborting due to previous error
Dec 12 12:24:34.888 INFO [stderr] 
Dec 12 12:24:34.888 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 12 12:24:34.891 INFO [stderr] error: Could not compile `kg-utils`.
Dec 12 12:24:34.891 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 12:24:34.952 INFO [stderr] error: aborting due to previous error
Dec 12 12:24:34.952 INFO [stderr] 
Dec 12 12:24:34.952 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 12 12:24:34.964 INFO [stderr] error: Could not compile `kg-utils`.
Dec 12 12:24:34.964 INFO [stderr] 
Dec 12 12:24:34.964 INFO [stderr] To learn more, run the command again with --verbose.
Dec 12 12:24:34.964 INFO [stderr] su: No module specific data is present
Dec 12 12:24:35.278 INFO running `"docker" "inspect" "1d4f9f3b91a66f2200b35d221e699a03ff379a1e5c24d67184f0b0047402ff85"`
Dec 12 12:24:35.450 INFO running `"docker" "rm" "-f" "1d4f9f3b91a66f2200b35d221e699a03ff379a1e5c24d67184f0b0047402ff85"`
Dec 12 12:24:35.603 INFO [stdout] 1d4f9f3b91a66f2200b35d221e699a03ff379a1e5c24d67184f0b0047402ff85