[INFO] updating cached repository https://github.com/paritytech/substrate
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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/substrate
[INFO] [stderr]  - [deleted]             (none)     -> a-sync-explicit
[INFO] [stderr]  - [deleted]             (none)     -> async_tx_pool
[INFO] [stderr]  - [deleted]             (none)     -> demi/upgrade-compatible-deps
[INFO] [stderr]  - [deleted]             (none)     -> dm-split-babe-verification
[INFO] [stderr]  - [deleted]             (none)     -> gui-encodelike-storage2
[INFO] [stderr]  - [deleted]             (none)     -> gui-storage-doc
[INFO] [stderr]  - [deleted]             (none)     -> instantiable
[INFO] [stderr]  - [deleted]             (none)     -> joshy-template-instantiable
[INFO] [stderr]  - [deleted]             (none)     -> marcio/optimize-tree-route
[INFO] [stderr]  - [deleted]             (none)     -> sp-pow-aux
[INFO] [stderr]  - [deleted]             (none)     -> td-forks
[INFO] [stderr]  * [new branch]          a-sync-header-chain         -> a-sync-header-chain
[INFO] [stderr]  * [new branch]          andre/babe-prune-on-startup -> andre/babe-prune-on-startup
[INFO] [stderr]    450898e06..3f095297a  andre/grandpa-voting-rules  -> andre/grandpa-voting-rules
[INFO] [stderr]  * [new branch]          andre/polkadot-master-debug -> andre/polkadot-master-debug
[INFO] [stderr]  * [new branch]          ben-imply-local-path-when-dev -> ben-imply-local-path-when-dev
[INFO] [stderr]  * [new branch]          ben-unbind-clap-dep         -> ben-unbind-clap-dep
[INFO] [stderr]    198e5c9f5..7a7d641b4  bkchr-cumulus-branch        -> bkchr-cumulus-branch
[INFO] [stderr]  * [new branch]          bkchr-fix-srml-utility      -> bkchr-fix-srml-utility
[INFO] [stderr]    de90fe7f4..db417ffda  gui-polkadot                -> gui-polkadot
[INFO] [stderr]  * [new branch]          gui-refactor-decl-storage   -> gui-refactor-decl-storage
[INFO] [stderr]  * [new branch]          hc-jp-bridge-module         -> hc-jp-bridge-module
[INFO] [stderr]  * [new branch]          joshy-module-template       -> joshy-module-template
[INFO] [stderr]  * [new branch]          joshy-move-testnet-genesis  -> joshy-move-testnet-genesis
[INFO] [stderr]    52e071b35..07d32e556  joshy-weight-experiment     -> joshy-weight-experiment
[INFO] [stderr]  * [new branch]          kiz-fix-node-templ          -> kiz-fix-node-templ
[INFO] [stderr]  * [new branch]          kiz-limb-arithmetic         -> kiz-limb-arithmetic
[INFO] [stderr]  * [new branch]          marcio/header-metadata-babe -> marcio/header-metadata-babe
[INFO] [stderr]  * [new branch]          marcio/header-metadata-rpc  -> marcio/header-metadata-rpc
[INFO] [stderr]  * [new branch]          marcio/polkadot-master-debug -> marcio/polkadot-master-debug
[INFO] [stderr]    7da90cb8e..062748f2b  master                      -> master
[INFO] [stderr]    e0d486d61..fdac986a3  polkadot-master             -> polkadot-master
[INFO] [stderr]    a7e3a2564..6e8c25a9a  support_revert_block_in_cache -> support_revert_block_in_cache
[INFO] [stderr]    f68038d62..40837bca3  td-logging                  -> td-logging
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 062748f2b932a00947d1b9b2ae85f6dcbbce03e1
[ERROR] this task or one of its parent failed!
[ERROR] command `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.