Nov 30 11:43:34.653 INFO checking Centril/rust_strong_rc against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 11:43:34.653 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 11:43:35.138 INFO [stdout] 03a1bd4f390fde0c4f530a30a48d7ecb77bd95c814a962981375013196cc96da
Nov 30 11:43:35.144 INFO running `"docker" "start" "-a" "03a1bd4f390fde0c4f530a30a48d7ecb77bd95c814a962981375013196cc96da"`
Nov 30 11:43:36.963 INFO [stderr] usermod: no changes
Nov 30 11:43:37.028 INFO [stderr]     Checking strong_rc v0.1.4 (/source)
Nov 30 11:43:37.840 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 30 11:43:37.840 INFO [stderr]    --> src/lib.rs:284:46
Nov 30 11:43:37.840 INFO [stderr]     |
Nov 30 11:43:37.840 INFO [stderr] 284 |         let offset = (layout.size() + layout.padding_needed_for(align)) as isize;
Nov 30 11:43:37.840 INFO [stderr]     |                                              ^^^^^^^^^^^^^^^^^^
Nov 30 11:43:37.840 INFO [stderr]     |
Nov 30 11:43:37.840 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 30 11:43:37.840 INFO [stderr] 
Nov 30 11:43:37.888 INFO [stderr] error: aborting due to previous error
Nov 30 11:43:37.888 INFO [stderr] 
Nov 30 11:43:37.888 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 30 11:43:37.908 INFO [stderr] error: Could not compile `strong_rc`.
Nov 30 11:43:37.908 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 30 11:43:38.052 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Nov 30 11:43:38.052 INFO [stderr]    --> src/lib.rs:284:46
Nov 30 11:43:38.052 INFO [stderr]     |
Nov 30 11:43:38.052 INFO [stderr] 284 |         let offset = (layout.size() + layout.padding_needed_for(align)) as isize;
Nov 30 11:43:38.052 INFO [stderr]     |                                              ^^^^^^^^^^^^^^^^^^
Nov 30 11:43:38.052 INFO [stderr]     |
Nov 30 11:43:38.052 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Nov 30 11:43:38.052 INFO [stderr] 
Nov 30 11:43:38.112 INFO [stderr] error: aborting due to previous error
Nov 30 11:43:38.112 INFO [stderr] 
Nov 30 11:43:38.112 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Nov 30 11:43:38.120 INFO [stderr] error: Could not compile `strong_rc`.
Nov 30 11:43:38.120 INFO [stderr] 
Nov 30 11:43:38.120 INFO [stderr] To learn more, run the command again with --verbose.
Nov 30 11:43:38.120 INFO [stderr] su: No module specific data is present
Nov 30 11:43:39.156 INFO running `"docker" "inspect" "03a1bd4f390fde0c4f530a30a48d7ecb77bd95c814a962981375013196cc96da"`
Nov 30 11:43:39.484 INFO running `"docker" "rm" "-f" "03a1bd4f390fde0c4f530a30a48d7ecb77bd95c814a962981375013196cc96da"`
Nov 30 11:43:39.804 INFO [stdout] 03a1bd4f390fde0c4f530a30a48d7ecb77bd95c814a962981375013196cc96da