[INFO] cloning repository https://github.com/ch-2020/sandbox_rust_mongodb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ch-2020/sandbox_rust_mongodb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch-2020%2Fsandbox_rust_mongodb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch-2020%2Fsandbox_rust_mongodb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91f434304e29842d8de8ad63a4174a67524eefee
[INFO] checking ch-2020/sandbox_rust_mongodb against master#9f48dedc9763334a587c66558974635807a113ed for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch-2020%2Fsandbox_rust_mongodb" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ch-2020/sandbox_rust_mongodb on toolchain 9f48dedc9763334a587c66558974635807a113ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ch-2020/sandbox_rust_mongodb
[INFO] finished tweaking git repo https://github.com/ch-2020/sandbox_rust_mongodb
[INFO] tweaked toml for git repo https://github.com/ch-2020/sandbox_rust_mongodb written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ch-2020/sandbox_rust_mongodb 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" "+9f48dedc9763334a587c66558974635807a113ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bson v2.9.0
[INFO] [stderr] error: No space left on device (os error 28)


command failed: exit status: 101

 Downloading crates ...
  Downloaded bson v2.9.0
error: No space left on device (os error 28)