Dec 18 03:53:45.800 INFO checking archer884/cryptid against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:53:45.800 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/archer884/cryptid:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:53:46.244 INFO [stdout] 2f191edd60774fcf04aa99d06b7b431f709c8e5014b7cc9c08543d235bd735ee
Dec 18 03:53:46.246 INFO running `"docker" "start" "-a" "2f191edd60774fcf04aa99d06b7b431f709c8e5014b7cc9c08543d235bd735ee"`
Dec 18 03:53:47.414 INFO [stderr]     Checking byteorder v1.2.6
Dec 18 03:53:47.417 INFO [stderr]     Checking num-rational v0.1.42
Dec 18 03:53:47.815 INFO [stderr]     Checking hashbrown v0.1.0
Dec 18 03:53:48.023 INFO [stderr]     Checking num v0.1.42
Dec 18 03:53:48.207 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 18 03:53:48.207 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:142:16
Dec 18 03:53:48.207 INFO [stderr]     |
Dec 18 03:53:48.207 INFO [stderr] 142 |     let data = Layout::array::<T>(buckets).ok()?;
Dec 18 03:53:48.207 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^
Dec 18 03:53:48.207 INFO [stderr]     |
Dec 18 03:53:48.207 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 18 03:53:48.207 INFO [stderr] 
Dec 18 03:53:48.208 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 18 03:53:48.208 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:149:16
Dec 18 03:53:48.208 INFO [stderr]     |
Dec 18 03:53:48.208 INFO [stderr] 149 |     let ctrl = Layout::array::<u8>(buckets + Group::WIDTH)
Dec 18 03:53:48.208 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^
Dec 18 03:53:48.208 INFO [stderr]     |
Dec 18 03:53:48.208 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 18 03:53:48.208 INFO [stderr] 
Dec 18 03:53:48.208 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 18 03:53:48.208 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:151:10
Dec 18 03:53:48.208 INFO [stderr]     |
Dec 18 03:53:48.208 INFO [stderr] 151 |         .align_to(Group::WIDTH);
Dec 18 03:53:48.208 INFO [stderr]     |          ^^^^^^^^
Dec 18 03:53:48.208 INFO [stderr]     |
Dec 18 03:53:48.208 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 18 03:53:48.208 INFO [stderr] 
Dec 18 03:53:48.224 INFO [stderr] error[E0599]: no method named `extend` found for type `core::result::Result<core::alloc::Layout, core::alloc::LayoutErr>` in the current scope
Dec 18 03:53:48.224 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:153:10
Dec 18 03:53:48.224 INFO [stderr]     |
Dec 18 03:53:48.224 INFO [stderr] 153 |     ctrl.extend(data).ok()
Dec 18 03:53:48.224 INFO [stderr]     |          ^^^^^^
Dec 18 03:53:48.224 INFO [stderr] 
Dec 18 03:53:48.232 INFO [stderr]     Checking stopwatch v0.0.7
Dec 18 03:53:48.364 INFO [stderr] error: aborting due to 4 previous errors
Dec 18 03:53:48.364 INFO [stderr] 
Dec 18 03:53:48.364 INFO [stderr] Some errors occurred: E0599, E0658.
Dec 18 03:53:48.364 INFO [stderr] For more information about an error, try `rustc --explain E0599`.
Dec 18 03:53:48.372 INFO [stderr] error: Could not compile `hashbrown`.
Dec 18 03:53:48.372 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 03:53:48.596 INFO [stderr] error: build failed
Dec 18 03:53:49.211 INFO running `"docker" "inspect" "2f191edd60774fcf04aa99d06b7b431f709c8e5014b7cc9c08543d235bd735ee"`
Dec 18 03:53:49.316 INFO running `"docker" "rm" "-f" "2f191edd60774fcf04aa99d06b7b431f709c8e5014b7cc9c08543d235bd735ee"`
Dec 18 03:53:49.419 INFO [stdout] 2f191edd60774fcf04aa99d06b7b431f709c8e5014b7cc9c08543d235bd735ee