these 2 derivations will be built:
  /nix/store/hnxciz49bmbf09p6p7qvwcjlnz3zsivp-flake-inputs.drv
  /nix/store/aa462ddl7rz7x0237rf7k6w5w7l2r4mz-check-flake-inputs.drv
building '/nix/store/hnxciz49bmbf09p6p7qvwcjlnz3zsivp-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/hnxciz49bmbf09p6p7qvwcjlnz3zsivp-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building hnxciz49bmbf09p6p7qvwcjlnz3zsivp-flake-inputs.drv
building '/nix/store/aa462ddl7rz7x0237rf7k6w5w7l2r4mz-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/aa462ddl7rz7x0237rf7k6w5w7l2r4mz-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building aa462ddl7rz7x0237rf7k6w5w7l2r4mz-check-flake-inputs.drv