these 2 derivations will be built:
  /nix/store/jf0hjgqhadayprm6fl6b3vza58vz4szw-flake-inputs.drv
  /nix/store/mw2g9294c0vkk2xpx5928rihz7w9w00f-check-flake-inputs.drv
building '/nix/store/jf0hjgqhadayprm6fl6b3vza58vz4szw-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/jf0hjgqhadayprm6fl6b3vza58vz4szw-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-c3833f78: building jf0hjgqhadayprm6fl6b3vza58vz4szw-flake-inputs.drv
building '/nix/store/mw2g9294c0vkk2xpx5928rihz7w9w00f-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/mw2g9294c0vkk2xpx5928rihz7w9w00f-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-23d67df9: building mw2g9294c0vkk2xpx5928rihz7w9w00f-check-flake-inputs.drv