these 2 derivations will be built:
  /nix/store/318rbwb4dp5b29mklcmcp0ivgilfvh3m-mcp-remote-0.15.2.drv
  /nix/store/mkbx19y090lsnz5s0gqj6xparxh1ijpz-check-mcp-remote.drv
mkbx19y090lsnz5s0gqj6xparxh1ijpz-check-mcp-remote.drv: mac02: not scheduled here: mkbx19y090lsnz5s0gqj6xparxh1ijpz-check-mcp-remote.drv, asking the scheduler again