Dec 18 14:39:43.064 INFO checking kg-symbol-0.1.8 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 14:39:43.064 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/kg-symbol/0.1.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 14:39:43.493 INFO [stdout] ddbaf6b8cb9f50987f3dd01fa156a7084459d5ddb31cb276f732e6a39acbbb4e Dec 18 14:39:43.496 INFO running `"docker" "start" "-a" "ddbaf6b8cb9f50987f3dd01fa156a7084459d5ddb31cb276f732e6a39acbbb4e"` Dec 18 14:39:45.546 INFO [stderr] Checking kg-symbol v0.1.8 (/opt/crater/workdir) Dec 18 14:39:46.504 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724) Dec 18 14:39:46.505 INFO [stderr] --> src/lib.rs:50:33 Dec 18 14:39:46.505 INFO [stderr] | Dec 18 14:39:46.505 INFO [stderr] 50 | Layout::new::
().extend(Layout::from_size_align_unchecked(len, 1)).unwrap() Dec 18 14:39:46.506 INFO [stderr] | ^^^^^^ Dec 18 14:39:46.512 INFO [stderr] | Dec 18 14:39:46.513 INFO [stderr] = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable Dec 18 14:39:46.513 INFO [stderr] Dec 18 14:39:46.514 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724) Dec 18 14:39:46.514 INFO [stderr] --> src/lib.rs:50:33 Dec 18 14:39:46.514 INFO [stderr] | Dec 18 14:39:46.532 INFO [stderr] 50 | Layout::new::
().extend(Layout::from_size_align_unchecked(len, 1)).unwrap() Dec 18 14:39:46.532 INFO [stderr] | ^^^^^^ Dec 18 14:39:46.532 INFO [stderr] | Dec 18 14:39:46.532 INFO [stderr] = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable Dec 18 14:39:46.532 INFO [stderr] Dec 18 14:39:46.559 INFO [stderr] error: aborting due to previous error Dec 18 14:39:46.560 INFO [stderr] Dec 18 14:39:46.560 INFO [stderr] For more information about this error, try `rustc --explain E0658`. Dec 18 14:39:46.588 INFO [stderr] error: Could not compile `kg-symbol`. Dec 18 14:39:46.589 INFO [stderr] warning: build failed, waiting for other jobs to finish... Dec 18 14:39:46.612 INFO [stderr] error: aborting due to previous error Dec 18 14:39:46.612 INFO [stderr] Dec 18 14:39:46.612 INFO [stderr] For more information about this error, try `rustc --explain E0658`. Dec 18 14:39:46.627 INFO [stderr] error: Could not compile `kg-symbol`. Dec 18 14:39:46.627 INFO [stderr] Dec 18 14:39:46.627 INFO [stderr] To learn more, run the command again with --verbose. Dec 18 14:39:47.572 INFO running `"docker" "inspect" "ddbaf6b8cb9f50987f3dd01fa156a7084459d5ddb31cb276f732e6a39acbbb4e"` Dec 18 14:39:47.968 INFO running `"docker" "rm" "-f" "ddbaf6b8cb9f50987f3dd01fa156a7084459d5ddb31cb276f732e6a39acbbb4e"` Dec 18 14:39:48.160 INFO [stdout] ddbaf6b8cb9f50987f3dd01fa156a7084459d5ddb31cb276f732e6a39acbbb4e