this derivation will be built:
  /nix/store/0s3qkzvwbz3pmjf7xfyxgdxwngdcdqw0-treefmt-check.drv
0s3qkzvwbz3pmjf7xfyxgdxwngdcdqw0-treefmt-check.drv: mac02: not scheduled here: 0s3qkzvwbz3pmjf7xfyxgdxwngdcdqw0-treefmt-check.drv, asking the scheduler again