Oct 16 10:48:43.039 ERRO this task or one of its parent failed!
Oct 16 10:48:43.040 ERRO failed to generate lockfile for futures-core-preview-0.3.0-alpha.7
Oct 16 10:48:43.040 ERRO caused by: command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed