Attestations for
  ghcr.io/boks-sh/rust-rustc@sha256:2c656cdb4fb88e1ee361420c6ae14c5d7352bd1de65ed67558c4b3b81263ede2

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/rust-rustc@sha256:2c656cdb4fb88e1ee361420c6ae14c5d7352bd1de65ed67558c4b3b81263ede2

=== 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)