[INFO] fetching crate b2c2-flag 0.1.5...
[INFO] testing b2c2-flag-0.1.5 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate b2c2-flag 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate b2c2-flag 0.1.5 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate b2c2-flag 0.1.5
[INFO] finished tweaking crates.io crate b2c2-flag 0.1.5
[INFO] tweaked toml for crates.io crate b2c2-flag 0.1.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to write /workspace/builds/worker-1-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] testing b2c2-flag-0.1.5 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate b2c2-flag 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] testing b2c2-flag-0.1.5 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate b2c2-flag 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] testing b2c2-flag-0.1.5 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate b2c2-flag 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] testing b2c2-flag-0.1.5 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate b2c2-flag 0.1.5 into /workspace/builds/worker-1-tc2/source


unable to download b2c2-flag version 0.1.5

Caused by:
    0: failed to unpack `b2c2-flag-0.1.5/README.md` into `/workspace/builds/worker-1-tc2/source/README.md`
    1: No space left on device (os error 28)