these 2 derivations will be built:
  /nix/store/1wyz0lvr3x95z12mpwh472plzqbmr33a-flake-inputs.drv
  /nix/store/hrm3grmn4jiphq8x2bv4gxc7vlnh09ac-check-flake-inputs.drv
building '/nix/store/1wyz0lvr3x95z12mpwh472plzqbmr33a-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/1wyz0lvr3x95z12mpwh472plzqbmr33a-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 1wyz0lvr3x95z12mpwh472plzqbmr33a-flake-inputs.drv
building '/nix/store/hrm3grmn4jiphq8x2bv4gxc7vlnh09ac-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/hrm3grmn4jiphq8x2bv4gxc7vlnh09ac-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building hrm3grmn4jiphq8x2bv4gxc7vlnh09ac-check-flake-inputs.drv