these 2 derivations will be built:
  /nix/store/3p7imy9vngm66y2can7gz1j01f36zcml-flake-inputs.drv
  /nix/store/vf93qjgcpg6rixx671w6dmzlgp6p73i7-check-flake-inputs.drv
building '/nix/store/3p7imy9vngm66y2can7gz1j01f36zcml-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/3p7imy9vngm66y2can7gz1j01f36zcml-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-ac8bb7f5: building 3p7imy9vngm66y2can7gz1j01f36zcml-flake-inputs.drv
building '/nix/store/vf93qjgcpg6rixx671w6dmzlgp6p73i7-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/vf93qjgcpg6rixx671w6dmzlgp6p73i7-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-ac8bb7f5: building vf93qjgcpg6rixx671w6dmzlgp6p73i7-check-flake-inputs.drv