these 2 derivations will be built:
  /nix/store/b7kh3i9fh2cf4nhig5zzydz0f4srl81g-flake-inputs.drv
  /nix/store/fmib9xc7dplbwsi0ihrnmr89rx8az4rf-check-flake-inputs.drv
building '/nix/store/b7kh3i9fh2cf4nhig5zzydz0f4srl81g-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/b7kh3i9fh2cf4nhig5zzydz0f4srl81g-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building b7kh3i9fh2cf4nhig5zzydz0f4srl81g-flake-inputs.drv
building '/nix/store/fmib9xc7dplbwsi0ihrnmr89rx8az4rf-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/fmib9xc7dplbwsi0ihrnmr89rx8az4rf-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building fmib9xc7dplbwsi0ihrnmr89rx8az4rf-check-flake-inputs.drv