[INFO] cloning repository https://github.com/enrico-kaack/Rust-Google-Hash-Code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enrico-kaack/Rust-Google-Hash-Code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenrico-kaack%2FRust-Google-Hash-Code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenrico-kaack%2FRust-Google-Hash-Code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93255cdebe3a2351c2729645590b8304101ab04b
[INFO] checking enrico-kaack/Rust-Google-Hash-Code-2020 against master#d93f678fa55842cccd2f091deccd93e9494b3764 for pr-138844
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenrico-kaack%2FRust-Google-Hash-Code-2020" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file d_tough_choices.txt
[INFO] [stderr] error: unable to write file d_tough_choices.txt.output
[INFO] [stderr] error: unable to write file e_so_many_books.output
[INFO] [stderr] error: unable to write file e_so_many_books.txt
[INFO] [stderr] error: unable to write file e_so_many_books.txt.output
[INFO] [stderr] error: unable to write file f_libraries_of_the_world.output
[INFO] [stderr] error: unable to write file f_libraries_of_the_world.txt
[INFO] [stderr] error: unable to write file f_libraries_of_the_world.txt.output
[INFO] [stderr] error: unable to write file main.rs
[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/enrico-kaack/Rust-Google-Hash-Code-2020

Caused by:
    command failed: exit status: 128