Nov 28 23:00:02.809 INFO checking kg-symbol-0.1.8 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 23:00:02.809 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 23:00:03.217 INFO [stdout] 11edcfef5e3e3177f2c79dc829f0b93e1a42763de514da76a52abee34dbd6188
Nov 28 23:00:03.218 INFO running `"docker" "start" "-a" "11edcfef5e3e3177f2c79dc829f0b93e1a42763de514da76a52abee34dbd6188"`
Nov 28 23:00:04.583 INFO [stderr] usermod: no changes
Nov 28 23:00:04.694 INFO [stderr]     Checking parking_lot_core v0.3.1
Nov 28 23:00:06.016 INFO [stderr]     Checking parking_lot v0.6.4
Nov 28 23:00:07.632 INFO [stderr]     Checking kg-symbol v0.1.8 (/source)
Nov 28 23:00:09.612 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 28 23:00:09.613 INFO [stderr]   --> src/lib.rs:50:33
Nov 28 23:00:09.614 INFO [stderr]    |
Nov 28 23:00:09.614 INFO [stderr] 50 |         Layout::new::<Header>().extend(Layout::from_size_align_unchecked(len, 1)).unwrap()
Nov 28 23:00:09.615 INFO [stderr]    |                                 ^^^^^^
Nov 28 23:00:09.616 INFO [stderr]    |
Nov 28 23:00:09.616 INFO [stderr]    = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 28 23:00:09.617 INFO [stderr] 
Nov 28 23:00:09.660 INFO [stderr] error: aborting due to previous error
Nov 28 23:00:09.661 INFO [stderr] 
Nov 28 23:00:09.662 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 28 23:00:09.670 INFO [stderr] error: Could not compile `kg-symbol`.
Nov 28 23:00:09.671 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 23:00:10.065 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 28 23:00:10.065 INFO [stderr]   --> src/lib.rs:50:33
Nov 28 23:00:10.065 INFO [stderr]    |
Nov 28 23:00:10.066 INFO [stderr] 50 |         Layout::new::<Header>().extend(Layout::from_size_align_unchecked(len, 1)).unwrap()
Nov 28 23:00:10.066 INFO [stderr]    |                                 ^^^^^^
Nov 28 23:00:10.066 INFO [stderr]    |
Nov 28 23:00:10.066 INFO [stderr]    = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 28 23:00:10.066 INFO [stderr] 
Nov 28 23:00:10.135 INFO [stderr] error: aborting due to previous error
Nov 28 23:00:10.135 INFO [stderr] 
Nov 28 23:00:10.136 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 28 23:00:10.145 INFO [stderr] error: Could not compile `kg-symbol`.
Nov 28 23:00:10.145 INFO [stderr] 
Nov 28 23:00:10.145 INFO [stderr] To learn more, run the command again with --verbose.
Nov 28 23:00:10.147 INFO [stderr] su: No module specific data is present
Nov 28 23:00:11.865 INFO running `"docker" "inspect" "11edcfef5e3e3177f2c79dc829f0b93e1a42763de514da76a52abee34dbd6188"`
Nov 28 23:00:12.205 INFO running `"docker" "rm" "-f" "11edcfef5e3e3177f2c79dc829f0b93e1a42763de514da76a52abee34dbd6188"`
Nov 28 23:00:12.608 INFO [stdout] 11edcfef5e3e3177f2c79dc829f0b93e1a42763de514da76a52abee34dbd6188