Dec 04 22:27:41.829 INFO checking archer884/cryptid against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:27:41.829 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 22:27:42.229 INFO [stdout] 65cc1729e2c7d5b948b9041b9ae3973dfd37ced763d10e8dca7bf0d7b5f9faaa
Dec 04 22:27:42.231 INFO running `"docker" "start" "-a" "65cc1729e2c7d5b948b9041b9ae3973dfd37ced763d10e8dca7bf0d7b5f9faaa"`
Dec 04 22:27:43.639 INFO [stderr] usermod: no changes
Dec 04 22:27:43.769 INFO [stderr]     Checking byteorder v1.2.6
Dec 04 22:27:43.779 INFO [stderr]     Checking stopwatch v0.0.7
Dec 04 22:27:44.256 INFO [stderr]     Checking hashbrown v0.1.0
Dec 04 22:27:44.662 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 04 22:27:44.662 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:142:16
Dec 04 22:27:44.662 INFO [stderr]     |
Dec 04 22:27:44.662 INFO [stderr] 142 |     let data = Layout::array::<T>(buckets).ok()?;
Dec 04 22:27:44.662 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^
Dec 04 22:27:44.662 INFO [stderr]     |
Dec 04 22:27:44.662 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 04 22:27:44.662 INFO [stderr] 
Dec 04 22:27:44.663 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 04 22:27:44.663 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:149:16
Dec 04 22:27:44.663 INFO [stderr]     |
Dec 04 22:27:44.663 INFO [stderr] 149 |     let ctrl = Layout::array::<u8>(buckets + Group::WIDTH)
Dec 04 22:27:44.663 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^
Dec 04 22:27:44.663 INFO [stderr]     |
Dec 04 22:27:44.663 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 04 22:27:44.663 INFO [stderr] 
Dec 04 22:27:44.667 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 04 22:27:44.667 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:151:10
Dec 04 22:27:44.667 INFO [stderr]     |
Dec 04 22:27:44.667 INFO [stderr] 151 |         .align_to(Group::WIDTH);
Dec 04 22:27:44.667 INFO [stderr]     |          ^^^^^^^^
Dec 04 22:27:44.667 INFO [stderr]     |
Dec 04 22:27:44.667 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 04 22:27:44.667 INFO [stderr] 
Dec 04 22:27:44.712 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 04 22:27:44.712 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:153:10
Dec 04 22:27:44.712 INFO [stderr]     |
Dec 04 22:27:44.712 INFO [stderr] 153 |     ctrl.extend(data).ok()
Dec 04 22:27:44.712 INFO [stderr]     |          ^^^^^^
Dec 04 22:27:44.712 INFO [stderr] 
Dec 04 22:27:44.868 INFO [stderr] error: aborting due to 4 previous errors
Dec 04 22:27:44.868 INFO [stderr] 
Dec 04 22:27:44.868 INFO [stderr] Some errors occurred: E0599, E0658.
Dec 04 22:27:44.868 INFO [stderr] For more information about an error, try `rustc --explain E0599`.
Dec 04 22:27:44.873 INFO [stderr] error: Could not compile `hashbrown`.
Dec 04 22:27:44.873 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 04 22:27:45.075 INFO [stderr] error: build failed
Dec 04 22:27:45.075 INFO [stderr] su: No module specific data is present
Dec 04 22:27:45.643 INFO running `"docker" "inspect" "65cc1729e2c7d5b948b9041b9ae3973dfd37ced763d10e8dca7bf0d7b5f9faaa"`
Dec 04 22:27:45.768 INFO running `"docker" "rm" "-f" "65cc1729e2c7d5b948b9041b9ae3973dfd37ced763d10e8dca7bf0d7b5f9faaa"`
Dec 04 22:27:45.874 INFO [stdout] 65cc1729e2c7d5b948b9041b9ae3973dfd37ced763d10e8dca7bf0d7b5f9faaa