[INFO] cloning repository https://github.com/dropped-bit/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dropped-bit/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropped-bit%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropped-bit%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bb5b035a927d2a439fe4832790fea6ba57648fe
[INFO] building dropped-bit/rust_learn against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdropped-bit%2Frust_learn" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/bin/a14.rs
[INFO] [stderr] error: unable to write file src/bin/a15.rs
[INFO] [stderr] error: unable to write file src/bin/a15_video.rs
[INFO] [stderr] error: unable to write file src/bin/a16_options.rs
[INFO] [stderr] error: unable to write file src/bin/a17_docs.rs
[INFO] [stderr] error: unable to write file src/bin/a18.rs
[INFO] [stderr] error: unable to write file src/bin/a18_demo.rs
[INFO] [stderr] error: unable to write file src/bin/a18_demo_mymemory.rs
[INFO] [stderr] error: unable to write file src/bin/a18b.rs
[INFO] [stderr] error: unable to write file src/bin/a19.rs
[INFO] [stderr] error: unable to write file src/bin/a2.rs
[INFO] [stderr] error: unable to write file src/bin/a3a.rs
[INFO] [stderr] error: unable to write file src/bin/a3b.rs
[INFO] [stderr] error: unable to write file src/bin/a4a.rs
[INFO] [stderr] error: unable to write file src/bin/a4b.rs
[INFO] [stderr] error: unable to write file src/bin/a5.rs
[INFO] [stderr] error: unable to write file src/bin/a5.rs.bk
[INFO] [stderr] error: unable to write file src/bin/a6.rs
[INFO] [stderr] error: unable to write file src/bin/a6.rs.bk
[INFO] [stderr] error: unable to write file src/bin/a7.rs
[INFO] [stderr] error: unable to write file src/bin/a8.rs
[INFO] [stderr] error: unable to write file src/bin/a9.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/dropped-bit/rust_learn

Caused by:
    command failed: exit status: 128