these 2 derivations will be built:
  /nix/store/5kkbc58j3nps971ssng584l347yb1aln-flake-inputs.drv
  /nix/store/xgy7b7r866v3zrpx6vb4h2gz7668jchh-check-flake-inputs.drv
building '/nix/store/5kkbc58j3nps971ssng584l347yb1aln-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/5kkbc58j3nps971ssng584l347yb1aln-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 5kkbc58j3nps971ssng584l347yb1aln-flake-inputs.drv
building '/nix/store/xgy7b7r866v3zrpx6vb4h2gz7668jchh-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/xgy7b7r866v3zrpx6vb4h2gz7668jchh-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building xgy7b7r866v3zrpx6vb4h2gz7668jchh-check-flake-inputs.drv