these 2 derivations will be built:
  /nix/store/czgk7h2b9x307an289alha1vm1wk6xc0-flake-inputs.drv
  /nix/store/8gljp2xywz83k3sri7sn9vwj4psd016r-check-flake-inputs.drv
building '/nix/store/czgk7h2b9x307an289alha1vm1wk6xc0-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/czgk7h2b9x307an289alha1vm1wk6xc0-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building czgk7h2b9x307an289alha1vm1wk6xc0-flake-inputs.drv
building '/nix/store/8gljp2xywz83k3sri7sn9vwj4psd016r-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/8gljp2xywz83k3sri7sn9vwj4psd016r-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-70d62f00: building 8gljp2xywz83k3sri7sn9vwj4psd016r-check-flake-inputs.drv