[INFO] updating cached repository https://github.com/tectonic-typesetting/tectonic
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/tectonic-typesetting/tectonic
[INFO] [stderr]    f2439b9..2e1b22d  master     -> master
[INFO] [stderr]  * [new tag]         cfg_support-v0.0.2 -> cfg_support-v0.0.2
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e1b22d2cd36d4847f7634252fcef07e52aa2744
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.