these 2 derivations will be built:
  /nix/store/rfpjs9bn6ygl58mfc5fx5bxf05pnc10n-flake-inputs.drv
  /nix/store/vlj10l0a8z4ifpmhsybi1vsy5ygyyw6d-check-flake-inputs.drv
building '/nix/store/rfpjs9bn6ygl58mfc5fx5bxf05pnc10n-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/rfpjs9bn6ygl58mfc5fx5bxf05pnc10n-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building rfpjs9bn6ygl58mfc5fx5bxf05pnc10n-flake-inputs.drv
building '/nix/store/vlj10l0a8z4ifpmhsybi1vsy5ygyyw6d-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/vlj10l0a8z4ifpmhsybi1vsy5ygyyw6d-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building vlj10l0a8z4ifpmhsybi1vsy5ygyyw6d-check-flake-inputs.drv