these 2 derivations will be built:
  /nix/store/0mddyixzmc74p9rzmhw7z696j1zhqbax-flake-inputs.drv
  /nix/store/6p0hnac7zdyv7flvas4pfnnclzi96qxc-check-flake-inputs.drv
building '/nix/store/0mddyixzmc74p9rzmhw7z696j1zhqbax-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0mddyixzmc74p9rzmhw7z696j1zhqbax-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 0mddyixzmc74p9rzmhw7z696j1zhqbax-flake-inputs.drv
building '/nix/store/6p0hnac7zdyv7flvas4pfnnclzi96qxc-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/6p0hnac7zdyv7flvas4pfnnclzi96qxc-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 6p0hnac7zdyv7flvas4pfnnclzi96qxc-check-flake-inputs.drv