Nov 30 20:24:04.209 INFO checking kg-symbol-0.1.8 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 20:24:04.209 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 20:24:04.700 INFO [stdout] cb71d670700d8162362474539ee945204a2f82ec1c68ae9d19646a6ae349a23f
Nov 30 20:24:04.704 INFO running `"docker" "start" "-a" "cb71d670700d8162362474539ee945204a2f82ec1c68ae9d19646a6ae349a23f"`
Nov 30 20:24:06.091 INFO [stderr] usermod: no changes
Nov 30 20:24:06.220 INFO [stderr]     Checking lock_api v0.1.5
Nov 30 20:24:06.220 INFO [stderr]    Compiling parking_lot_core v0.3.1
Nov 30 20:24:09.401 INFO [stderr]     Checking parking_lot v0.6.4
Nov 30 20:24:10.853 INFO [stderr]     Checking kg-symbol v0.1.8 (/source)
Nov 30 20:24:12.996 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 30 20:24:12.996 INFO [stderr]   --> src/lib.rs:50:33
Nov 30 20:24:12.997 INFO [stderr]    |
Nov 30 20:24:12.997 INFO [stderr] 50 |         Layout::new::<Header>().extend(Layout::from_size_align_unchecked(len, 1)).unwrap()
Nov 30 20:24:12.997 INFO [stderr]    |                                 ^^^^^^
Nov 30 20:24:12.997 INFO [stderr]    |
Nov 30 20:24:12.998 INFO [stderr]    = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 30 20:24:12.998 INFO [stderr] 
Nov 30 20:24:13.063 INFO [stderr] error: aborting due to previous error
Nov 30 20:24:13.063 INFO [stderr] 
Nov 30 20:24:13.063 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 30 20:24:13.072 INFO [stderr] error: Could not compile `kg-symbol`.
Nov 30 20:24:13.076 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 30 20:24:13.465 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 30 20:24:13.465 INFO [stderr]   --> src/lib.rs:50:33
Nov 30 20:24:13.465 INFO [stderr]    |
Nov 30 20:24:13.466 INFO [stderr] 50 |         Layout::new::<Header>().extend(Layout::from_size_align_unchecked(len, 1)).unwrap()
Nov 30 20:24:13.466 INFO [stderr]    |                                 ^^^^^^
Nov 30 20:24:13.466 INFO [stderr]    |
Nov 30 20:24:13.466 INFO [stderr]    = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 30 20:24:13.466 INFO [stderr] 
Nov 30 20:24:13.522 INFO [stderr] error: aborting due to previous error
Nov 30 20:24:13.522 INFO [stderr] 
Nov 30 20:24:13.522 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 30 20:24:13.531 INFO [stderr] error: Could not compile `kg-symbol`.
Nov 30 20:24:13.532 INFO [stderr] 
Nov 30 20:24:13.532 INFO [stderr] To learn more, run the command again with --verbose.
Nov 30 20:24:13.537 INFO [stderr] su: No module specific data is present
Nov 30 20:24:14.250 INFO running `"docker" "inspect" "cb71d670700d8162362474539ee945204a2f82ec1c68ae9d19646a6ae349a23f"`
Nov 30 20:24:14.564 INFO running `"docker" "rm" "-f" "cb71d670700d8162362474539ee945204a2f82ec1c68ae9d19646a6ae349a23f"`
Nov 30 20:24:14.932 INFO [stdout] cb71d670700d8162362474539ee945204a2f82ec1c68ae9d19646a6ae349a23f