Aug 31 23:08:09.426 INFO checking dekokun/deko_os_rust against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Aug 31 23:08:09.426 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Aug 31 23:08:09.426 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 23:08:09.703 INFO blam! 97fb329a48cfca5b05a570c76aefdb2e2e9ac718b4283f54c408858ce159969d
Aug 31 23:08:09.705 INFO running `"docker" "start" "-a" "97fb329a48cfca5b05a570c76aefdb2e2e9ac718b4283f54c408858ce159969d"`
Aug 31 23:08:10.645 INFO kablam!     Checking spin v0.4.8
Aug 31 23:08:10.645 INFO kablam!     Checking x86_64 v0.2.8
Aug 31 23:08:11.059 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 31 23:08:11.059 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 31 23:08:11.059 INFO kablam!   |
Aug 31 23:08:11.059 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 31 23:08:11.059 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 31 23:08:11.060 INFO kablam! 
Aug 31 23:08:11.060 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 31 23:08:11.060 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 31 23:08:11.060 INFO kablam!   |
Aug 31 23:08:11.060 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 31 23:08:11.060 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 31 23:08:11.060 INFO kablam! 
Aug 31 23:08:11.078 INFO kablam! error: aborting due to 2 previous errors
Aug 31 23:08:11.078 INFO kablam! 
Aug 31 23:08:11.078 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 31 23:08:11.085 INFO kablam! error: Could not compile `spin`.
Aug 31 23:08:11.085 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 23:08:13.673 INFO kablam! error: build failed
Aug 31 23:08:13.675 INFO kablam! su: No module specific data is present
Aug 31 23:08:14.152 INFO running `"docker" "rm" "-f" "97fb329a48cfca5b05a570c76aefdb2e2e9ac718b4283f54c408858ce159969d"`
Aug 31 23:08:14.312 INFO blam! 97fb329a48cfca5b05a570c76aefdb2e2e9ac718b4283f54c408858ce159969d