these 2 derivations will be built:
  /nix/store/ln77fn5vzp1xd7bywhjs7s4y7kfpz1hp-flake-inputs.drv
  /nix/store/pc7fv78816w5vj7n88pcg7n356slpma8-check-flake-inputs.drv
building '/nix/store/ln77fn5vzp1xd7bywhjs7s4y7kfpz1hp-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ln77fn5vzp1xd7bywhjs7s4y7kfpz1hp-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building ln77fn5vzp1xd7bywhjs7s4y7kfpz1hp-flake-inputs.drv
building '/nix/store/pc7fv78816w5vj7n88pcg7n356slpma8-check-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/pc7fv78816w5vj7n88pcg7n356slpma8-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building pc7fv78816w5vj7n88pcg7n356slpma8-check-flake-inputs.drv