[INFO] updating cached repository https://github.com/paritytech/substrate
[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/substrate
[INFO] [stderr]  - [deleted]             (none)     -> a-use-cache-for-db-cache
[INFO] [stderr]  - [deleted]             (none)     -> bkchr-merge-substrate-into-polkadot-build-check
[INFO] [stderr]  - [deleted]             (none)     -> gui-democracy-benchmarks
[INFO] [stderr]  - [deleted]             (none)     -> shawntabrizi-extend-scheduler
[INFO] [stderr]  - [deleted]             (none)     -> shawntabrizi-system-weight
[INFO] [stderr]    56ba3752d..d66ae0016  Put-some-colour-in-README   -> Put-some-colour-in-README
[INFO] [stderr]  * [new branch]          andre/grandpa-equivocation-nits -> andre/grandpa-equivocation-nits
[INFO] [stderr]  * [new branch]          andre/grandpa-gossip-lenient -> andre/grandpa-gossip-lenient
[INFO] [stderr]    f8684d51b..1db4b9714  apopiak-collective-weights  -> apopiak-collective-weights
[INFO] [stderr]  * [new branch]          apopiak-weight-adjustments  -> apopiak-weight-adjustments
[INFO] [stderr]    f0bbbf819..458c934ba  ben-split-license           -> ben-split-license
[INFO] [stderr]    8f9395647..6b0749422  bernhard/slashing-w-ocw     -> bernhard/slashing-w-ocw
[INFO] [stderr]    e3dc50f73..4ac187ce7  docs_deny_warnings          -> docs_deny_warnings
[INFO] [stderr]    bac6a08bf..d83293d74  gui-democracy-weight        -> gui-democracy-weight
[INFO] [stderr]  * [new branch]          kiz-impr-elections-phragmen -> kiz-impr-elections-phragmen
[INFO] [stderr]  * [new branch]          kiz-super-wrong-staking-test -> kiz-super-wrong-staking-test
[INFO] [stderr]    b292de78b..3d669beaa  master                      -> master
[INFO] [stderr]    75d575620..50856eae6  md-fixed-point              -> md-fixed-point
[INFO] [stderr]    03b7b6ed1..9f8baf294  mr-sp-tracing               -> mr-sp-tracing
[INFO] [stderr]  * [new branch]          nv-import-benchmarks-paritydb -> nv-import-benchmarks-paritydb
[INFO] [stderr]  + 8c1b9dca9...1a0edc955 nv-network-txpool           -> nv-network-txpool  (forced update)
[INFO] [stderr]    17f4c74e8..377823c0a  scott_default_json_import_blocks -> scott_default_json_import_blocks
[INFO] [stderr]    03ca897fa..57228de5f  seun-sc-cli-subkey          -> seun-sc-cli-subkey
[INFO] [stderr]  * [new branch]          shawntabrizi-split-total-weight -> shawntabrizi-split-total-weight
[INFO] [stderr]  * [new branch]          td-offences-on-init         -> td-offences-on-init
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3d669beaa1fca561243732ce7dee586a85229acc
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: invalid Cargo.toml syntax
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.