Dec 15 09:08:12.683 INFO testing hashmap_core-0.1.9 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 09:08:12.683 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 09:08:12.974 INFO [stdout] 22cff5616eeb70d0c77cca1705efce279f092fbff2c98a3458de77a1854cf46f
Dec 15 09:08:12.980 INFO running `"docker" "start" "-a" "22cff5616eeb70d0c77cca1705efce279f092fbff2c98a3458de77a1854cf46f"`
Dec 15 09:08:13.398 INFO [stderr] usermod: no changes
Dec 15 09:08:13.441 INFO [stderr]    Compiling hashmap_core v0.1.9 (/source)
Dec 15 09:08:13.935 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 15 09:08:13.935 INFO [stderr]    --> src/table.rs:663:18
Dec 15 09:08:13.935 INFO [stderr]     |
Dec 15 09:08:13.935 INFO [stderr] 663 |     let hashes = Layout::array::<HashUint>(capacity)?;
Dec 15 09:08:13.935 INFO [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 09:08:13.935 INFO [stderr]     |
Dec 15 09:08:13.935 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 15 09:08:13.935 INFO [stderr] 
Dec 15 09:08:13.935 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 15 09:08:13.935 INFO [stderr]    --> src/table.rs:664:17
Dec 15 09:08:13.935 INFO [stderr]     |
Dec 15 09:08:13.935 INFO [stderr] 664 |     let pairs = Layout::array::<(K, V)>(capacity)?;
Dec 15 09:08:13.935 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 09:08:13.935 INFO [stderr]     |
Dec 15 09:08:13.935 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 15 09:08:13.935 INFO [stderr] 
Dec 15 09:08:13.935 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 15 09:08:13.935 INFO [stderr]    --> src/table.rs:665:12
Dec 15 09:08:13.935 INFO [stderr]     |
Dec 15 09:08:13.935 INFO [stderr] 665 |     hashes.extend(pairs).map(|(layout, _)| {
Dec 15 09:08:13.935 INFO [stderr]     |            ^^^^^^
Dec 15 09:08:13.935 INFO [stderr]     |
Dec 15 09:08:13.935 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 15 09:08:13.935 INFO [stderr] 
Dec 15 09:08:13.935 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 15 09:08:13.935 INFO [stderr]    --> src/table.rs:673:36
Dec 15 09:08:13.935 INFO [stderr]     |
Dec 15 09:08:13.935 INFO [stderr] 673 |             hashes.size() + hashes.padding_needed_for(mem::align_of::<(K, V)>()),
Dec 15 09:08:13.935 INFO [stderr]     |                                    ^^^^^^^^^^^^^^^^^^
Dec 15 09:08:13.935 INFO [stderr]     |
Dec 15 09:08:13.935 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 15 09:08:13.935 INFO [stderr] 
Dec 15 09:08:13.963 INFO [stderr] error: aborting due to 4 previous errors
Dec 15 09:08:13.963 INFO [stderr] 
Dec 15 09:08:13.963 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 15 09:08:13.965 INFO [stderr] error: Could not compile `hashmap_core`.
Dec 15 09:08:13.965 INFO [stderr] 
Dec 15 09:08:13.965 INFO [stderr] To learn more, run the command again with --verbose.
Dec 15 09:08:13.966 INFO [stderr] su: No module specific data is present
Dec 15 09:08:14.327 INFO running `"docker" "inspect" "22cff5616eeb70d0c77cca1705efce279f092fbff2c98a3458de77a1854cf46f"`
Dec 15 09:08:14.489 INFO running `"docker" "rm" "-f" "22cff5616eeb70d0c77cca1705efce279f092fbff2c98a3458de77a1854cf46f"`
Dec 15 09:08:14.596 INFO [stdout] 22cff5616eeb70d0c77cca1705efce279f092fbff2c98a3458de77a1854cf46f