these 2 derivations will be built:
  /nix/store/lr1llsrrvpgp11kgf8in3andcazr1hbr-flake-inputs.drv
  /nix/store/mk270i9i7qh8wssskwxzyda4i9c8syzd-check-flake-inputs.drv
building '/nix/store/lr1llsrrvpgp11kgf8in3andcazr1hbr-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/lr1llsrrvpgp11kgf8in3andcazr1hbr-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building lr1llsrrvpgp11kgf8in3andcazr1hbr-flake-inputs.drv
building '/nix/store/mk270i9i7qh8wssskwxzyda4i9c8syzd-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/mk270i9i7qh8wssskwxzyda4i9c8syzd-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building mk270i9i7qh8wssskwxzyda4i9c8syzd-check-flake-inputs.drv