error[E0554]: `#![feature]` may not be used on the stable release channel

[ebaizel]

I'm running make test-chunk-prove and getting this error:

  Compiling halo2-gate-generator v0.1.0 (https://github.com/scroll-tech/halo2gategen.git#35b137de)
   Compiling halo2wrong v0.1.0 (https://github.com/scroll-tech/halo2wrong.git?branch=halo2-ecc-snark-verifier-0323#939d679c)
   Compiling misc-precompiled-circuit v0.1.0 (https://github.com/scroll-tech/misc-precompiled-circuit.git?tag=v0.1.0#f647341f)
error[E0554]: `#![feature]` may not be used on the stable release channel
 --> /home/ec2-user/.cargo/git/checkouts/halo2-lib-f617e885ffdce2b3/7058817/halo2-base/src/lib.rs:1:1
  |
1 | #![feature(stmt_expr_attributes)]
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0554]: `#![feature]` may not be used on the stable release channel
 --> /home/ec2-user/.cargo/git/checkouts/halo2-lib-f617e885ffdce2b3/7058817/halo2-base/src/lib.rs:2:1
  |
2 | #![feature(trait_alias)]
  | ^^^^^^^^^^^^^^^^^^^^^^^^

error[E0554]: `#![feature]` may not be used on the stable release channel
 --> /home/ec2-user/.cargo/git/checkouts/poseidon-circuit-4ba4b0c72487e98b/69524f4/src/lib.rs:4:12
  |
4 | #![feature(slice_group_by)]
  |            ^^^^^^^^^^^^^^

[silathdiir]

Should use a nightly rust build as specified in rust-toolchain.

[ebaizel]

Thank you, that fixed it!