these 2 derivations will be built:
  /nix/store/icldzj3ylxgw15d2q1cg7l306vigabry-flake-inputs.drv
  /nix/store/0j23bzjd5ymck7gas595k41wd1l2svw9-check-flake-inputs.drv
building '/nix/store/icldzj3ylxgw15d2q1cg7l306vigabry-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/icldzj3ylxgw15d2q1cg7l306vigabry-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building icldzj3ylxgw15d2q1cg7l306vigabry-flake-inputs.drv
building '/nix/store/0j23bzjd5ymck7gas595k41wd1l2svw9-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/0j23bzjd5ymck7gas595k41wd1l2svw9-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building 0j23bzjd5ymck7gas595k41wd1l2svw9-check-flake-inputs.drv