[INFO] updating cached repository https://github.com/RustPython/RustPython
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/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/RustPython/RustPython
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/arraymodule
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/cpython-libs2
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/dis-example
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/docs-logo
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/fix-redox
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/import-submodules
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/label-struct
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/main_module
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/module-docstrings
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/redox-rustyline
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/runpy
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/site
[INFO] [stderr]  - [deleted]           (none)     -> coolreader18/syscall-settings
[INFO] [stderr]  - [deleted]           (none)     -> redox
[INFO] [stderr]  * [new branch]        coolreader18/distutils-module -> coolreader18/distutils-module
[INFO] [stderr]  * [new branch]        coolreader18/importlib-pathsep -> coolreader18/importlib-pathsep
[INFO] [stderr]  * [new branch]        coolreader18/language-stats -> coolreader18/language-stats
[INFO] [stderr]  * [new branch]        coolreader18/token-display  -> coolreader18/token-display
[INFO] [stderr]  * [new branch]        coolreader18/useless-const-optimization -> coolreader18/useless-const-optimization
[INFO] [stderr]    86103bfd..ff0b8404  master                      -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff0b84046945ee1771f16b8ee80c13b73e694074
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed