this derivation will be built:
  /nix/store/zkln0jvhpvmg5rvahf9drjps517xagil-treefmt-check.drv
zkln0jvhpvmg5rvahf9drjps517xagil-treefmt-check.drv: mac02: not scheduled here: zkln0jvhpvmg5rvahf9drjps517xagil-treefmt-check.drv, asking the scheduler again