Aug 01 15:06:05.246 ERRO this task or one of its parent failed!
Aug 01 15:06:05.246 ERRO failed to generate lockfile for rust-lang-nursery/rustup.rs
Aug 01 15:06:05.246 ERRO caused by: unable to generate lockfile for rust-lang-nursery/rustup.rs
Aug 01 15:06:05.246 ERRO caused by: command `"docker" "start" "-a" "095bdef548fbfa8f3f7946c82e19b304d4b2edaaa6ca198f31b99b2fd431ac3f"` failed