Dec 15 09:08:12.616 INFO testing hashmap_core-0.1.9 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550 Dec 15 09:08:12.616 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"` Dec 15 09:08:12.876 INFO [stdout] 62b948b8006524a7f86c9a7661989d358b1f5bcdf0edfc8961c0dbf9c73cdce0 Dec 15 09:08:12.878 INFO running `"docker" "start" "-a" "62b948b8006524a7f86c9a7661989d358b1f5bcdf0edfc8961c0dbf9c73cdce0"` Dec 15 09:08:13.259 INFO [stderr] usermod: no changes Dec 15 09:08:13.285 INFO [stderr] Compiling hashmap_core v0.1.9 (/source) Dec 15 09:08:13.695 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724) Dec 15 09:08:13.695 INFO [stderr] --> src/table.rs:663:18 Dec 15 09:08:13.695 INFO [stderr] | Dec 15 09:08:13.695 INFO [stderr] 663 | let hashes = Layout::array::(capacity)?; Dec 15 09:08:13.695 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 09:08:13.695 INFO [stderr] | Dec 15 09:08:13.695 INFO [stderr] = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable Dec 15 09:08:13.695 INFO [stderr] Dec 15 09:08:13.695 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724) Dec 15 09:08:13.695 INFO [stderr] --> src/table.rs:664:17 Dec 15 09:08:13.695 INFO [stderr] | Dec 15 09:08:13.695 INFO [stderr] 664 | let pairs = Layout::array::<(K, V)>(capacity)?; Dec 15 09:08:13.695 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 09:08:13.695 INFO [stderr] | Dec 15 09:08:13.695 INFO [stderr] = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable Dec 15 09:08:13.695 INFO [stderr] Dec 15 09:08:13.695 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724) Dec 15 09:08:13.695 INFO [stderr] --> src/table.rs:665:12 Dec 15 09:08:13.695 INFO [stderr] | Dec 15 09:08:13.695 INFO [stderr] 665 | hashes.extend(pairs).map(|(layout, _)| { Dec 15 09:08:13.695 INFO [stderr] | ^^^^^^ Dec 15 09:08:13.695 INFO [stderr] | Dec 15 09:08:13.695 INFO [stderr] = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable Dec 15 09:08:13.695 INFO [stderr] Dec 15 09:08:13.697 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724) Dec 15 09:08:13.697 INFO [stderr] --> src/table.rs:673:36 Dec 15 09:08:13.697 INFO [stderr] | Dec 15 09:08:13.697 INFO [stderr] 673 | hashes.size() + hashes.padding_needed_for(mem::align_of::<(K, V)>()), Dec 15 09:08:13.697 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 15 09:08:13.697 INFO [stderr] | Dec 15 09:08:13.697 INFO [stderr] = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable Dec 15 09:08:13.697 INFO [stderr] Dec 15 09:08:13.718 INFO [stderr] error: aborting due to 4 previous errors Dec 15 09:08:13.718 INFO [stderr] Dec 15 09:08:13.718 INFO [stderr] For more information about this error, try `rustc --explain E0658`. Dec 15 09:08:13.724 INFO [stderr] error: Could not compile `hashmap_core`. Dec 15 09:08:13.724 INFO [stderr] Dec 15 09:08:13.724 INFO [stderr] To learn more, run the command again with --verbose. Dec 15 09:08:13.726 INFO [stderr] su: No module specific data is present Dec 15 09:08:14.094 INFO running `"docker" "inspect" "62b948b8006524a7f86c9a7661989d358b1f5bcdf0edfc8961c0dbf9c73cdce0"` Dec 15 09:08:14.187 INFO running `"docker" "rm" "-f" "62b948b8006524a7f86c9a7661989d358b1f5bcdf0edfc8961c0dbf9c73cdce0"` Dec 15 09:08:14.333 INFO [stdout] 62b948b8006524a7f86c9a7661989d358b1f5bcdf0edfc8961c0dbf9c73cdce0