[INFO] crate zram-generator 0.1.1 is already in cache
[ERROR] this task or one of its parent failed!
[ERROR] command `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.