these 2 derivations will be built:
  /nix/store/0x2gpnggvmmkzr0127z3hq9xzlpz5gxv-hol-guard-3.32.0.drv
  /nix/store/1zffipy3ygcz7cksqm0dc1j4rgfksk64-check-hol-guard.drv