these 2 derivations will be built:
  /nix/store/kh931h03qr4gr7kn4ygphrznc3ybynis-flake-inputs.drv
  /nix/store/b4p0yca2pyax5jr6mkw3nifni7x7jskm-check-flake-inputs.drv
building '/nix/store/kh931h03qr4gr7kn4ygphrznc3ybynis-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/kh931h03qr4gr7kn4ygphrznc3ybynis-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building kh931h03qr4gr7kn4ygphrznc3ybynis-flake-inputs.drv
building '/nix/store/b4p0yca2pyax5jr6mkw3nifni7x7jskm-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/b4p0yca2pyax5jr6mkw3nifni7x7jskm-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building b4p0yca2pyax5jr6mkw3nifni7x7jskm-check-flake-inputs.drv