these 2 derivations will be built:
  /nix/store/91k2avl1qs7hbmiibvas82h256pffvc3-flake-inputs.drv
  /nix/store/qzz0z7sdb5rx629hngr70xyk5whmrcj6-check-flake-inputs.drv
building '/nix/store/91k2avl1qs7hbmiibvas82h256pffvc3-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/91k2avl1qs7hbmiibvas82h256pffvc3-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 91k2avl1qs7hbmiibvas82h256pffvc3-flake-inputs.drv
building '/nix/store/qzz0z7sdb5rx629hngr70xyk5whmrcj6-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/qzz0z7sdb5rx629hngr70xyk5whmrcj6-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building qzz0z7sdb5rx629hngr70xyk5whmrcj6-check-flake-inputs.drv