this derivation will be built:
  /nix/store/6gsvbwljz65v1syyw9chjvl1gv5rrzml-treefmt-check.drv
6gsvbwljz65v1syyw9chjvl1gv5rrzml-treefmt-check.drv: mac02: not scheduled here: 6gsvbwljz65v1syyw9chjvl1gv5rrzml-treefmt-check.drv, asking the scheduler again