these 2 derivations will be built:
  /nix/store/ld9z3y0636lr2wf87rc29rxr8jfb2m0w-treefmt.drv
  /nix/store/l2p2f9pvvvwrg58ahnalcchxpiy21921-check-formatter.drv
building '/nix/store/l2p2f9pvvvwrg58ahnalcchxpiy21921-check-formatter.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/l2p2f9pvvvwrg58ahnalcchxpiy21921-check-formatter.drv' on farm.numtide.com:50051
check-formatter> mac02: building l2p2f9pvvvwrg58ahnalcchxpiy21921-check-formatter.drv