Oct 16 14:25:47.596 ERRO this task or one of its parent failed! Oct 16 14:25:47.596 ERRO failed to generate lockfile for contrail-derive-0.0.2 Oct 16 14:25:47.597 ERRO caused by: command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed