Dec 07 11:25:25.821 INFO testing hashmap_core-0.1.9 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 11:25:25.821 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 11:25:26.286 INFO [stdout] 92e449eb27ce60bef45e38c63bcc7968cb07443d9a9554a022d0bf845089acc7
Dec 07 11:25:26.286 INFO running `"docker" "start" "-a" "92e449eb27ce60bef45e38c63bcc7968cb07443d9a9554a022d0bf845089acc7"`
Dec 07 11:25:27.856 INFO [stderr] usermod: no changes
Dec 07 11:25:27.900 INFO [stderr]    Compiling hashmap_core v0.1.9 (/source)
Dec 07 11:25:28.353 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 07 11:25:28.353 INFO [stderr]    --> src/table.rs:663:18
Dec 07 11:25:28.353 INFO [stderr]     |
Dec 07 11:25:28.353 INFO [stderr] 663 |     let hashes = Layout::array::<HashUint>(capacity)?;
Dec 07 11:25:28.353 INFO [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 11:25:28.353 INFO [stderr]     |
Dec 07 11:25:28.353 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 07 11:25:28.353 INFO [stderr] 
Dec 07 11:25:28.353 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 07 11:25:28.353 INFO [stderr]    --> src/table.rs:664:17
Dec 07 11:25:28.357 INFO [stderr]     |
Dec 07 11:25:28.357 INFO [stderr] 664 |     let pairs = Layout::array::<(K, V)>(capacity)?;
Dec 07 11:25:28.357 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 11:25:28.357 INFO [stderr]     |
Dec 07 11:25:28.357 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 07 11:25:28.357 INFO [stderr] 
Dec 07 11:25:28.368 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 07 11:25:28.368 INFO [stderr]    --> src/table.rs:665:12
Dec 07 11:25:28.368 INFO [stderr]     |
Dec 07 11:25:28.368 INFO [stderr] 665 |     hashes.extend(pairs).map(|(layout, _)| {
Dec 07 11:25:28.368 INFO [stderr]     |            ^^^^^^
Dec 07 11:25:28.368 INFO [stderr]     |
Dec 07 11:25:28.368 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 07 11:25:28.368 INFO [stderr] 
Dec 07 11:25:28.368 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 07 11:25:28.368 INFO [stderr]    --> src/table.rs:673:36
Dec 07 11:25:28.368 INFO [stderr]     |
Dec 07 11:25:28.368 INFO [stderr] 673 |             hashes.size() + hashes.padding_needed_for(mem::align_of::<(K, V)>()),
Dec 07 11:25:28.368 INFO [stderr]     |                                    ^^^^^^^^^^^^^^^^^^
Dec 07 11:25:28.368 INFO [stderr]     |
Dec 07 11:25:28.368 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 07 11:25:28.368 INFO [stderr] 
Dec 07 11:25:28.384 INFO [stderr] error: aborting due to 4 previous errors
Dec 07 11:25:28.384 INFO [stderr] 
Dec 07 11:25:28.384 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 07 11:25:28.392 INFO [stderr] error: Could not compile `hashmap_core`.
Dec 07 11:25:28.392 INFO [stderr] 
Dec 07 11:25:28.392 INFO [stderr] To learn more, run the command again with --verbose.
Dec 07 11:25:28.393 INFO [stderr] su: No module specific data is present
Dec 07 11:25:28.758 INFO running `"docker" "inspect" "92e449eb27ce60bef45e38c63bcc7968cb07443d9a9554a022d0bf845089acc7"`
Dec 07 11:25:28.853 INFO running `"docker" "rm" "-f" "92e449eb27ce60bef45e38c63bcc7968cb07443d9a9554a022d0bf845089acc7"`
Dec 07 11:25:28.964 INFO [stdout] 92e449eb27ce60bef45e38c63bcc7968cb07443d9a9554a022d0bf845089acc7