these 2 derivations will be built:
  /nix/store/mgr4jy0mpdz3jan2fl2hhbh6aimywzh4-flake-inputs.drv
  /nix/store/r775y7m1jpwvisrxf1fg7a10hbygpx2y-check-flake-inputs.drv
building '/nix/store/mgr4jy0mpdz3jan2fl2hhbh6aimywzh4-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/mgr4jy0mpdz3jan2fl2hhbh6aimywzh4-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building mgr4jy0mpdz3jan2fl2hhbh6aimywzh4-flake-inputs.drv
building '/nix/store/r775y7m1jpwvisrxf1fg7a10hbygpx2y-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/r775y7m1jpwvisrxf1fg7a10hbygpx2y-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building r775y7m1jpwvisrxf1fg7a10hbygpx2y-check-flake-inputs.drv