[INFO] cloning repository https://github.com/sweihub/ws2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sweihub/ws2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweihub%2Fws2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweihub%2Fws2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 586a3ad6fbbd4371829aae5a028f135e522c4e28
[INFO] checking sweihub/ws2 against master#f5d3fe273b8b9e7125bf8856d44793b6cc4b6735 for pr-139587-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweihub%2Fws2" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sweihub/ws2 on toolchain f5d3fe273b8b9e7125bf8856d44793b6cc4b6735
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5d3fe273b8b9e7125bf8856d44793b6cc4b6735" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sweihub/ws2
[INFO] finished tweaking git repo https://github.com/sweihub/ws2
[INFO] tweaked toml for git repo https://github.com/sweihub/ws2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sweihub/ws2 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" "+f5d3fe273b8b9e7125bf8856d44793b6cc4b6735" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded poll-channel v0.1.9
[INFO] [stderr]   Downloaded log2 v0.1.10
[INFO] [stderr] error: failed to unpack package `log2 v0.1.10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `log2-0.1.10/images/output.png`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log2-0.1.10/images/output.png`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `log2-0.1.10/images/output.png` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log2-0.1.10/images/output.png`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

    Updating crates.io index
 Downloading crates ...
  Downloaded poll-channel v0.1.9
  Downloaded log2 v0.1.10
error: failed to unpack package `log2 v0.1.10`

Caused by:
  failed to unpack entry at `log2-0.1.10/images/output.png`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log2-0.1.10/images/output.png`

Caused by:
  failed to unpack `log2-0.1.10/images/output.png` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log2-0.1.10/images/output.png`

Caused by:
  No space left on device (os error 28)