these 2 derivations will be built:
  /nix/store/d4nk1y0xi9imahw4fasc6vmmvr5la91f-flake-inputs.drv
  /nix/store/dr02zh44wc8a1i6h3kk9qmwnkwx6lcxx-check-flake-inputs.drv
building '/nix/store/d4nk1y0xi9imahw4fasc6vmmvr5la91f-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/d4nk1y0xi9imahw4fasc6vmmvr5la91f-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building d4nk1y0xi9imahw4fasc6vmmvr5la91f-flake-inputs.drv
building '/nix/store/dr02zh44wc8a1i6h3kk9qmwnkwx6lcxx-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/dr02zh44wc8a1i6h3kk9qmwnkwx6lcxx-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building dr02zh44wc8a1i6h3kk9qmwnkwx6lcxx-check-flake-inputs.drv