this derivation will be built:
  /nix/store/yqalwp2mdsyc634grbax32qjnwh3pl5p-spec-tilt.drv
building '/nix/store/yqalwp2mdsyc634grbax32qjnwh3pl5p-spec-tilt.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=23&system=aarch64-linux'
building '/nix/store/yqalwp2mdsyc634grbax32qjnwh3pl5p-spec-tilt.drv' on farm.numtide.com:50051
spec-tilt> elastic-arm-0b1d6a93: building yqalwp2mdsyc634grbax32qjnwh3pl5p-spec-tilt.drv
spec-tilt> invalid/Tiltfile:3:1: syntax error
spec-tilt> invalid/Tiltfile # reformat
spec-tilt> invalid/Tiltfile:3:1: syntax error
spec-tilt> invalid/Tiltfile # reformat

upload niks3: ok