[INFO] cloning repository https://github.com/mapxu/experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mapxu/experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmapxu%2Fexperiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmapxu%2Fexperiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f63f9673a418738489f2d5296ab24a0d490ad07
[INFO] checking mapxu/experiments against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmapxu%2Fexperiments" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mapxu/experiments on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mapxu/experiments
[INFO] finished tweaking git repo https://github.com/mapxu/experiments
[INFO] tweaked toml for git repo https://github.com/mapxu/experiments written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mapxu/experiments 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" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing v0.1.38
[INFO] [stderr] error: failed to unpack package `tracing v0.1.38`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `tracing-0.1.38/CHANGELOG.md`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.38/CHANGELOG.md`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `tracing-0.1.38/CHANGELOG.md` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.38/CHANGELOG.md`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

 Downloading crates ...
  Downloaded tracing v0.1.38
error: failed to unpack package `tracing v0.1.38`

Caused by:
  failed to unpack entry at `tracing-0.1.38/CHANGELOG.md`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.38/CHANGELOG.md`

Caused by:
  failed to unpack `tracing-0.1.38/CHANGELOG.md` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.38/CHANGELOG.md`

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