these 2 derivations will be built:
  /nix/store/523yqqzyhlvhlf4nm2cam9brjj3lra0v-flake-inputs.drv
  /nix/store/86gk28dapgg56j0iayn53yy6aab4ddsx-check-flake-inputs.drv
building '/nix/store/523yqqzyhlvhlf4nm2cam9brjj3lra0v-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/523yqqzyhlvhlf4nm2cam9brjj3lra0v-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 523yqqzyhlvhlf4nm2cam9brjj3lra0v-flake-inputs.drv
building '/nix/store/86gk28dapgg56j0iayn53yy6aab4ddsx-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/86gk28dapgg56j0iayn53yy6aab4ddsx-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 86gk28dapgg56j0iayn53yy6aab4ddsx-check-flake-inputs.drv