[INFO] updating cached repository https://github.com/mozilla-services/syncstorage-rs
[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/mozilla-services/syncstorage-rs
[INFO] [stderr]  * [new branch]            bug/504               -> bug/504
[INFO] [stderr]  * [new branch]            feat/555              -> feat/555
[INFO] [stderr]  + 339e76579d...91fd684545 fix-purge-ttl-timeout -> fix-purge-ttl-timeout  (forced update)
[INFO] [stderr]    d6de6cd419..520dec844d  master                -> master
[INFO] [stderr]    0fab270b97..ba6aeb00a9  release/0.3           -> release/0.3
[INFO] [stderr]  * [new branch]            release/0.3-merge     -> release/0.3-merge
[INFO] [stderr]    c4ffdb636a..4414eaa1c2  user_migration4       -> user_migration4
[INFO] [stderr]  * [new branch]            user_migration5       -> user_migration5
[INFO] [stderr]  * [new tag]               0.3.1                 -> 0.3.1
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 520dec844d7b5c74fe258227a7e3f2d338ca958d
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.