Dec 15 04:11:50.686 ERRO this task or one of its parent failed!
Dec 15 04:11:50.686 ERRO failed to generate lockfile for multi-producer-sink-0.5.2
Dec 15 04:11:50.686 ERRO caused by: command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bd47d6825bf4090517549d33cfef10d3300b4a75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed
Dec 15 04:11:50.686 ERRO