Attestations for
  ghcr.io/boks-sh/rust-rustc@sha256:281a6f31e32fd19ba418c7fc0b372db1f0baff52cddd627a47eac79fcea9852a

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/rust-rustc@sha256:281a6f31e32fd19ba418c7fc0b372db1f0baff52cddd627a47eac79fcea9852a

=== cyclonedx ===================================================
  (no attestation matches the document published now -- 1 older one(s) are attached)

=== slsaprovenance ==============================================
  (no attestation matches the document published now -- 1 older one(s) are attached)