this derivation will be built:
  /nix/store/9x5z7p8w78cgakwqq10hvvfgr9skiyk4-spec-yamlfmt.drv
building '/nix/store/9x5z7p8w78cgakwqq10hvvfgr9skiyk4-spec-yamlfmt.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=21&system=aarch64-linux'
building '/nix/store/9x5z7p8w78cgakwqq10hvvfgr9skiyk4-spec-yamlfmt.drv' on farm.numtide.com:50051
spec-yamlfmt> elastic-arm-976bb8e2: building 9x5z7p8w78cgakwqq10hvvfgr9skiyk4-spec-yamlfmt.drv
spec-yamlfmt> encountered the following formatting errors:
spec-yamlfmt> invalid/a.yaml: yaml: line 1: did not find expected node content
spec-yamlfmt> encountered the following formatting errors:
spec-yamlfmt> invalid/a.yaml: yaml: line 1: did not find expected node content

upload niks3: ok