Dec 19 20:23:25.260 INFO checking archer884/cryptid against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:23:25.260 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:23:25.524 INFO [stdout] 6ccdaeb9891670d591b39af6d8102db94138f172e62b69d49058f027502087ba
Dec 19 20:23:25.530 INFO running `"docker" "start" "-a" "6ccdaeb9891670d591b39af6d8102db94138f172e62b69d49058f027502087ba"`
Dec 19 20:23:26.608 INFO [stderr]     Checking hashbrown v0.1.0
Dec 19 20:23:26.616 INFO [stderr]     Checking stopwatch v0.0.7
Dec 19 20:23:27.442 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 19 20:23:27.442 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:142:16
Dec 19 20:23:27.442 INFO [stderr]     |
Dec 19 20:23:27.442 INFO [stderr] 142 |     let data = Layout::array::<T>(buckets).ok()?;
Dec 19 20:23:27.442 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^
Dec 19 20:23:27.442 INFO [stderr]     |
Dec 19 20:23:27.442 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 19 20:23:27.442 INFO [stderr] 
Dec 19 20:23:27.444 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 19 20:23:27.444 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:149:16
Dec 19 20:23:27.444 INFO [stderr]     |
Dec 19 20:23:27.444 INFO [stderr] 149 |     let ctrl = Layout::array::<u8>(buckets + Group::WIDTH)
Dec 19 20:23:27.444 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^
Dec 19 20:23:27.444 INFO [stderr]     |
Dec 19 20:23:27.444 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 19 20:23:27.444 INFO [stderr] 
Dec 19 20:23:27.444 INFO [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra' (see issue #55724)
Dec 19 20:23:27.444 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:151:10
Dec 19 20:23:27.444 INFO [stderr]     |
Dec 19 20:23:27.444 INFO [stderr] 151 |         .align_to(Group::WIDTH);
Dec 19 20:23:27.444 INFO [stderr]     |          ^^^^^^^^
Dec 19 20:23:27.444 INFO [stderr]     |
Dec 19 20:23:27.444 INFO [stderr]     = help: add #![feature(alloc_layout_extra)] to the crate attributes to enable
Dec 19 20:23:27.444 INFO [stderr] 
Dec 19 20:23:27.460 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 19 20:23:27.460 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:153:10
Dec 19 20:23:27.460 INFO [stderr]     |
Dec 19 20:23:27.460 INFO [stderr] 153 |     ctrl.extend(data).ok()
Dec 19 20:23:27.460 INFO [stderr]     |          ^^^^^^
Dec 19 20:23:27.460 INFO [stderr] 
Dec 19 20:23:27.560 INFO [stderr] error: aborting due to 4 previous errors
Dec 19 20:23:27.560 INFO [stderr] 
Dec 19 20:23:27.560 INFO [stderr] Some errors occurred: E0599, E0658.
Dec 19 20:23:27.560 INFO [stderr] For more information about an error, try `rustc --explain E0599`.
Dec 19 20:23:27.576 INFO [stderr] error: Could not compile `hashbrown`.
Dec 19 20:23:27.576 INFO [stderr] 
Dec 19 20:23:27.576 INFO [stderr] To learn more, run the command again with --verbose.
Dec 19 20:23:28.214 INFO running `"docker" "inspect" "6ccdaeb9891670d591b39af6d8102db94138f172e62b69d49058f027502087ba"`
Dec 19 20:23:28.494 INFO running `"docker" "rm" "-f" "6ccdaeb9891670d591b39af6d8102db94138f172e62b69d49058f027502087ba"`
Dec 19 20:23:28.775 INFO [stdout] 6ccdaeb9891670d591b39af6d8102db94138f172e62b69d49058f027502087ba