Dec 05 11:20:10.872 INFO checking kg-symbol-0.1.8 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 11:20:10.872 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 11:20:11.283 INFO [stdout] ca11144f36cac2180831a0c3e14ce57dc408ca32c235b58c041bab25122f88b5
Dec 05 11:20:11.287 INFO running `"docker" "start" "-a" "ca11144f36cac2180831a0c3e14ce57dc408ca32c235b58c041bab25122f88b5"`
Dec 05 11:20:12.802 INFO [stderr] usermod: no changes
Dec 05 11:20:12.935 INFO [stderr]     Checking parking_lot_core v0.3.1
Dec 05 11:20:14.133 INFO [stderr]     Checking parking_lot v0.6.4
Dec 05 11:20:15.483 INFO [stderr]     Checking kg-symbol v0.1.8 (/source)
Dec 05 11:20:17.416 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 05 11:20:17.416 INFO [stderr]   --> src/lib.rs:50:33
Dec 05 11:20:17.416 INFO [stderr]    |
Dec 05 11:20:17.416 INFO [stderr] 50 |         Layout::new::<Header>().extend(Layout::from_size_align_unchecked(len, 1)).unwrap()
Dec 05 11:20:17.417 INFO [stderr]    |                                 ^^^^^^
Dec 05 11:20:17.417 INFO [stderr]    |
Dec 05 11:20:17.417 INFO [stderr]    = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 05 11:20:17.417 INFO [stderr] 
Dec 05 11:20:17.455 INFO [stderr] error: aborting due to previous error
Dec 05 11:20:17.455 INFO [stderr] 
Dec 05 11:20:17.455 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 05 11:20:17.471 INFO [stderr] error: Could not compile `kg-symbol`.
Dec 05 11:20:17.472 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 05 11:20:17.863 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 05 11:20:17.863 INFO [stderr]   --> src/lib.rs:50:33
Dec 05 11:20:17.863 INFO [stderr]    |
Dec 05 11:20:17.863 INFO [stderr] 50 |         Layout::new::<Header>().extend(Layout::from_size_align_unchecked(len, 1)).unwrap()
Dec 05 11:20:17.863 INFO [stderr]    |                                 ^^^^^^
Dec 05 11:20:17.863 INFO [stderr]    |
Dec 05 11:20:17.863 INFO [stderr]    = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 05 11:20:17.863 INFO [stderr] 
Dec 05 11:20:17.915 INFO [stderr] error: aborting due to previous error
Dec 05 11:20:17.915 INFO [stderr] 
Dec 05 11:20:17.915 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 05 11:20:17.925 INFO [stderr] error: Could not compile `kg-symbol`.
Dec 05 11:20:17.925 INFO [stderr] 
Dec 05 11:20:17.925 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 11:20:17.929 INFO [stderr] su: No module specific data is present
Dec 05 11:20:19.416 INFO running `"docker" "inspect" "ca11144f36cac2180831a0c3e14ce57dc408ca32c235b58c041bab25122f88b5"`
Dec 05 11:20:19.740 INFO running `"docker" "rm" "-f" "ca11144f36cac2180831a0c3e14ce57dc408ca32c235b58c041bab25122f88b5"`
Dec 05 11:20:19.987 INFO [stdout] ca11144f36cac2180831a0c3e14ce57dc408ca32c235b58c041bab25122f88b5