these 2 derivations will be built:
  /nix/store/ky770cx7ry6x2vl5mzkm0jma6nn8hzp0-flake-inputs.drv
  /nix/store/mps88xcx9mkd52x3fd304ln1fgnpyy55-check-flake-inputs.drv
building '/nix/store/ky770cx7ry6x2vl5mzkm0jma6nn8hzp0-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ky770cx7ry6x2vl5mzkm0jma6nn8hzp0-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building ky770cx7ry6x2vl5mzkm0jma6nn8hzp0-flake-inputs.drv
building '/nix/store/mps88xcx9mkd52x3fd304ln1fgnpyy55-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/mps88xcx9mkd52x3fd304ln1fgnpyy55-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building mps88xcx9mkd52x3fd304ln1fgnpyy55-check-flake-inputs.drv