these 2 derivations will be built:
  /nix/store/7xdcwb6zv7p2sdv2h19zmn0b64acp556-flake-inputs.drv
  /nix/store/v5hdzv6r3ljp569rzagn3j64cxd4ancs-check-flake-inputs.drv
building '/nix/store/7xdcwb6zv7p2sdv2h19zmn0b64acp556-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/7xdcwb6zv7p2sdv2h19zmn0b64acp556-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-20d6c3df: building 7xdcwb6zv7p2sdv2h19zmn0b64acp556-flake-inputs.drv
building '/nix/store/v5hdzv6r3ljp569rzagn3j64cxd4ancs-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/v5hdzv6r3ljp569rzagn3j64cxd4ancs-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-20d6c3df: building v5hdzv6r3ljp569rzagn3j64cxd4ancs-check-flake-inputs.drv