these 2 derivations will be built:
  /nix/store/nrq7bzcj8mzxfkv5v0h59s6xjw2ryikp-flake-inputs.drv
  /nix/store/dn6jd57fgjzs2zshd2z9dkrm1qr4qz14-check-flake-inputs.drv
building '/nix/store/nrq7bzcj8mzxfkv5v0h59s6xjw2ryikp-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/nrq7bzcj8mzxfkv5v0h59s6xjw2ryikp-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building nrq7bzcj8mzxfkv5v0h59s6xjw2ryikp-flake-inputs.drv
building '/nix/store/dn6jd57fgjzs2zshd2z9dkrm1qr4qz14-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/dn6jd57fgjzs2zshd2z9dkrm1qr4qz14-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building dn6jd57fgjzs2zshd2z9dkrm1qr4qz14-check-flake-inputs.drv