[INFO] cloning repository https://github.com/soulwa/handins_grade
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soulwa/handins_grade" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoulwa%2Fhandins_grade", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoulwa%2Fhandins_grade'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8fc06961cd44538452d83ad47fd7db47b93dbb8
[INFO] checking soulwa/handins_grade against master#9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a for pr-138458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoulwa%2Fhandins_grade" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soulwa/handins_grade on toolchain 9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soulwa/handins_grade
[INFO] finished tweaking git repo https://github.com/soulwa/handins_grade
[INFO] tweaked toml for git repo https://github.com/soulwa/handins_grade written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/soulwa/handins_grade already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simsearch v0.2.2
[INFO] [stderr]   Downloaded tokio v1.3.0
[INFO] [stderr] error: No space left on device (os error 28)


command failed: exit status: 101

    Updating crates.io index
 Downloading crates ...
  Downloaded simsearch v0.2.2
  Downloaded tokio v1.3.0
error: No space left on device (os error 28)