these 2 derivations will be built:
  /nix/store/jkfyp7g65w4752ynppwyj4aphkg1hcfg-flake-inputs.drv
  /nix/store/2k9h4ry066d57c0nwb74zvhha3dn1rpy-check-flake-inputs.drv
building '/nix/store/jkfyp7g65w4752ynppwyj4aphkg1hcfg-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/jkfyp7g65w4752ynppwyj4aphkg1hcfg-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building jkfyp7g65w4752ynppwyj4aphkg1hcfg-flake-inputs.drv
building '/nix/store/2k9h4ry066d57c0nwb74zvhha3dn1rpy-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/2k9h4ry066d57c0nwb74zvhha3dn1rpy-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 2k9h4ry066d57c0nwb74zvhha3dn1rpy-check-flake-inputs.drv