these 2 derivations will be built:
  /nix/store/pyh2ngkg0bzx1alxyfp3ph95398qv81m-flake-inputs.drv
  /nix/store/a8xj61xl3vpn7x98ffsqq1w29h34dvkc-check-flake-inputs.drv
building '/nix/store/pyh2ngkg0bzx1alxyfp3ph95398qv81m-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/pyh2ngkg0bzx1alxyfp3ph95398qv81m-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building pyh2ngkg0bzx1alxyfp3ph95398qv81m-flake-inputs.drv
building '/nix/store/a8xj61xl3vpn7x98ffsqq1w29h34dvkc-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/a8xj61xl3vpn7x98ffsqq1w29h34dvkc-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building a8xj61xl3vpn7x98ffsqq1w29h34dvkc-check-flake-inputs.drv