these 2 derivations will be built:
  /nix/store/5xi2fahada2fq1br1db6dxp7r4f16ffk-flake-inputs.drv
  /nix/store/h1n71z3wf67xc19q9qa05bwb0mf3zhw8-check-flake-inputs.drv
building '/nix/store/5xi2fahada2fq1br1db6dxp7r4f16ffk-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/5xi2fahada2fq1br1db6dxp7r4f16ffk-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building 5xi2fahada2fq1br1db6dxp7r4f16ffk-flake-inputs.drv
building '/nix/store/h1n71z3wf67xc19q9qa05bwb0mf3zhw8-check-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/h1n71z3wf67xc19q9qa05bwb0mf3zhw8-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building h1n71z3wf67xc19q9qa05bwb0mf3zhw8-check-flake-inputs.drv