these 2 derivations will be built:
  /nix/store/6dki1zx7xsapw3fha6l162d5pc5j87sz-flake-inputs.drv
  /nix/store/lg6qhcbyacgcib11fhpcyajva2c1ryzd-check-flake-inputs.drv
building '/nix/store/6dki1zx7xsapw3fha6l162d5pc5j87sz-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/6dki1zx7xsapw3fha6l162d5pc5j87sz-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building 6dki1zx7xsapw3fha6l162d5pc5j87sz-flake-inputs.drv
building '/nix/store/lg6qhcbyacgcib11fhpcyajva2c1ryzd-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/lg6qhcbyacgcib11fhpcyajva2c1ryzd-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building lg6qhcbyacgcib11fhpcyajva2c1ryzd-check-flake-inputs.drv