Dec 12 13:40:29.409 ERRO this task or one of its parent failed!
Dec 12 13:40:29.409 ERRO failed to generate lockfile for grammar-tech-macro-0.1.1
Dec 12 13:40:29.409 ERRO caused by: command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+3a75e80557a103497cffbcab395a2f37061a77ea-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed
Dec 12 13:40:29.409 ERRO