these 2 derivations will be built:
  /nix/store/z67wfd9w7bc444l9p8yy6fkl59bln8cy-flake-inputs.drv
  /nix/store/dn5sr0jiy18wnspyk82i702j1admw83x-check-flake-inputs.drv
building '/nix/store/z67wfd9w7bc444l9p8yy6fkl59bln8cy-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/z67wfd9w7bc444l9p8yy6fkl59bln8cy-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building z67wfd9w7bc444l9p8yy6fkl59bln8cy-flake-inputs.drv
building '/nix/store/dn5sr0jiy18wnspyk82i702j1admw83x-check-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/dn5sr0jiy18wnspyk82i702j1admw83x-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building dn5sr0jiy18wnspyk82i702j1admw83x-check-flake-inputs.drv