[INFO] cloning repository https://github.com/rustviz/rustviz-example-mdbook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustviz/rustviz-example-mdbook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustviz%2Frustviz-example-mdbook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustviz%2Frustviz-example-mdbook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 792ebb3dd321267087aefa75708b4ed22fc68f06
[INFO] checking rustviz/rustviz-example-mdbook against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustviz%2Frustviz-example-mdbook" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  64% (806/1249)
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error: unable to write file target/rls/debug/deps/serde_derive-8f0eff4a7945e282.serde_derive.1c876984-cgu.3.rcgu.o
[INFO] [stderr] error: unable to write file target/rls/debug/deps/serde_derive-8f0eff4a7945e282.serde_derive.1c876984-cgu.4.rcgu.o
[INFO] [stderr] error: unable to write file target/rls/debug/deps/serde_derive-8f0eff4a7945e282.serde_derive.1c876984-cgu.5.rcgu.o
[INFO] [stderr] error: unable to write file target/rls/debug/deps/serde_derive-8f0eff4a7945e282.serde_derive.1c876984-cgu.6.rcgu.o
[INFO] [stderr] error: unable to write file target/rls/debug/deps/serde_derive-8f0eff4a7945e282.serde_derive.1c876984-cgu.7.rcgu.o
[INFO] [stderr] error: unable to write file target/rls/debug/deps/serde_derive-8f0eff4a7945e282.serde_derive.1c876984-cgu.8.rcgu.o
[INFO] [stderr] Updating files:  99% (1237/1249)
error: unable to write file target/rls/debug/incremental/rustviz_lib-2pewf47h54cnf/s-gc75doea97-14nop0r-1dz6zs2r53x7y/dep-graph.bin
[INFO] [stderr] error: unable to write file target/rls/debug/incremental/rustviz_lib-2pewf47h54cnf/s-gc75doea97-14nop0r-1dz6zs2r53x7y/query-cache.bin
[INFO] [stderr] error: unable to write file target/rls/debug/incremental/rustviz_lib-2pewf47h54cnf/s-gc75doea97-14nop0r-1dz6zs2r53x7y/work-products.bin
[INFO] [stderr] Updating files: 100% (1249/1249)
Updating files: 100% (1249/1249), done.
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 


failed to checkout https://github.com/rustviz/rustviz-example-mdbook

Caused by:
    command failed: exit status: 128