these 2 derivations will be built:
  /nix/store/9pp9yywwc559bifd4aigifvva676mzj8-flake-inputs.drv
  /nix/store/rxrbl4lp7xy51w1z9zwgigs1i9zvg1md-check-flake-inputs.drv
building '/nix/store/9pp9yywwc559bifd4aigifvva676mzj8-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/9pp9yywwc559bifd4aigifvva676mzj8-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-23d67df9: building 9pp9yywwc559bifd4aigifvva676mzj8-flake-inputs.drv
building '/nix/store/rxrbl4lp7xy51w1z9zwgigs1i9zvg1md-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/rxrbl4lp7xy51w1z9zwgigs1i9zvg1md-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-23d67df9: building rxrbl4lp7xy51w1z9zwgigs1i9zvg1md-check-flake-inputs.drv