these 2 derivations will be built:
  /nix/store/f2njbyj3ydj9g692kqp8iywzn80h5aj2-flake-inputs.drv
  /nix/store/anxk2xj67mhwb9v2siymc0jb5gr25s6p-check-flake-inputs.drv
building '/nix/store/f2njbyj3ydj9g692kqp8iywzn80h5aj2-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/f2njbyj3ydj9g692kqp8iywzn80h5aj2-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building f2njbyj3ydj9g692kqp8iywzn80h5aj2-flake-inputs.drv
building '/nix/store/anxk2xj67mhwb9v2siymc0jb5gr25s6p-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/anxk2xj67mhwb9v2siymc0jb5gr25s6p-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building anxk2xj67mhwb9v2siymc0jb5gr25s6p-check-flake-inputs.drv