[INFO] updating cached repository https://github.com/paritytech/polkadot
[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/paritytech/polkadot
[INFO] [stderr]  - [deleted]           (none)     -> gav-longer-nicks
[INFO] [stderr]  - [deleted]           (none)     -> rh-fs-grumbles
[INFO] [stderr]  * [new branch]        a-runtimes               -> a-runtimes
[INFO] [stderr]  * [new branch]        ashley-cheme-child-stuff -> ashley-cheme-child-stuff
[INFO] [stderr]    0c4fe833..11691573  ashley-compile-to-wasm   -> ashley-compile-to-wasm
[INFO] [stderr]  * [new branch]        ashley-tomaka-wip-4284   -> ashley-tomaka-wip-4284
[INFO] [stderr]  * [new branch]        ben-update-to-latest-crate-renames -> ben-update-to-latest-crate-renames
[INFO] [stderr]  * [new branch]        bkchr-parachain-switch-to-runtime-interface -> bkchr-parachain-switch-to-runtime-interface
[INFO] [stderr]  * [new branch]        gui-update-substrate-and-tip-to-author -> gui-update-substrate-and-tip-to-author
[INFO] [stderr]    5598ed9b..7bf33eb3  master                   -> master
[INFO] [stderr]  * [new branch]        md-traces                -> md-traces
[INFO] [stderr]  * [new branch]        nv-update-db             -> nv-update-db
[INFO] [stderr]    63d2c0e3..3e151f7c  v0.6                     -> v0.6
[INFO] [stderr]  * [new tag]           v0.7.1                   -> v0.7.1
[INFO] [stderr]  * [new tag]           v0.7.10                  -> v0.7.10
[INFO] [stderr]  * [new tag]           v0.7.2                   -> v0.7.2
[INFO] [stderr]  * [new tag]           v0.7.3                   -> v0.7.3
[INFO] [stderr]  * [new tag]           v0.7.4                   -> v0.7.4
[INFO] [stderr]  * [new tag]           v0.7.5                   -> v0.7.5
[INFO] [stderr]  * [new tag]           v0.7.6                   -> v0.7.6
[INFO] [stderr]  * [new tag]           v0.7.7                   -> v0.7.7
[INFO] [stderr]  * [new tag]           v0.7.8                   -> v0.7.8
[INFO] [stderr]  * [new tag]           v0.7.9                   -> v0.7.9
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7bf33eb3c2e7d3d99a5e638c424446dce73985d8
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.