these 2 derivations will be built:
  /nix/store/r7c7p2z2phk8crrahj7pb3s17arzw9xy-flake-inputs.drv
  /nix/store/6pf809vrl81372n9xf3z76zcm4y8gizs-check-flake-inputs.drv
building '/nix/store/r7c7p2z2phk8crrahj7pb3s17arzw9xy-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/r7c7p2z2phk8crrahj7pb3s17arzw9xy-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building r7c7p2z2phk8crrahj7pb3s17arzw9xy-flake-inputs.drv
building '/nix/store/6pf809vrl81372n9xf3z76zcm4y8gizs-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/6pf809vrl81372n9xf3z76zcm4y8gizs-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-ac8bb7f5: building 6pf809vrl81372n9xf3z76zcm4y8gizs-check-flake-inputs.drv