these 2 derivations will be built:
  /nix/store/v1a3xia50iid9ssndxxp2m64f15l8m75-flake-inputs.drv
  /nix/store/dvjv0k3rhdvr9v5cya846lc47vbdmlfg-check-flake-inputs.drv
building '/nix/store/v1a3xia50iid9ssndxxp2m64f15l8m75-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/v1a3xia50iid9ssndxxp2m64f15l8m75-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building v1a3xia50iid9ssndxxp2m64f15l8m75-flake-inputs.drv
building '/nix/store/dvjv0k3rhdvr9v5cya846lc47vbdmlfg-check-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/dvjv0k3rhdvr9v5cya846lc47vbdmlfg-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building dvjv0k3rhdvr9v5cya846lc47vbdmlfg-check-flake-inputs.drv