[INFO] updating cached repository https://github.com/rust-lang-nursery/chalk
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/rust-lang-nursery/chalk
[INFO] [stderr]    5f4d08c5d..35dda896b auto       -> auto
[INFO] [stderr]  + 14dedb1a5...6ce01d91f gh-pages   -> gh-pages  (forced update)
[INFO] [stderr]    d1ec6d87b..d3264350d master     -> master
[INFO] [stderr]  * [new tag]             v0.20.0    -> v0.20.0
[INFO] [stderr]  * [new tag]             v0.21.0    -> v0.21.0
[INFO] [stderr]  * [new tag]             v0.22.0    -> v0.22.0
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3264350d78f9100ce535a4b12ee1710af63b42f
[ERROR] this task or one of its parent failed!
[ERROR] command `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.