[INFO] fetching crate backend-test-kit 0.0.2...
[INFO] checking backend-test-kit-0.0.2 against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] extracting crate backend-test-kit 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate backend-test-kit 0.0.2 on toolchain fc545c6b951a304df08b327c158f92678582f435
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backend-test-kit 0.0.2
[INFO] finished tweaking crates.io crate backend-test-kit 0.0.2
[INFO] tweaked toml for crates.io crate backend-test-kit 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate backend-test-kit 0.0.2 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" "+fc545c6b951a304df08b327c158f92678582f435" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: failed to save last-use data
[INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache.
[INFO] [stderr] 
[INFO] [stderr] database or disk is full
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Error code 13: Insertion failed because database is full
[INFO] checking backend-test-kit-0.0.2 against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] extracting crate backend-test-kit 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] checking backend-test-kit-0.0.2 against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] extracting crate backend-test-kit 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] checking backend-test-kit-0.0.2 against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] extracting crate backend-test-kit 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] checking backend-test-kit-0.0.2 against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] extracting crate backend-test-kit 0.0.2 into /workspace/builds/worker-2-tc2/source


unable to download backend-test-kit version 0.0.2

Caused by:
    0: failed to unpack `backend-test-kit-0.0.2/src/lib.rs` into `/workspace/builds/worker-2-tc2/source/src/lib.rs`
    1: No space left on device (os error 28)