[INFO] cloning repository https://github.com/wfraser/lcd-pcf8574
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wfraser/lcd-pcf8574" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Flcd-pcf8574", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Flcd-pcf8574'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91d11c1e3d61b5de92b0f1bd9915bd6255e26bdc
[INFO] testing wfraser/lcd-pcf8574 against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Flcd-pcf8574" "/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/wfraser/lcd-pcf8574 on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wfraser/lcd-pcf8574
[INFO] finished tweaking git repo https://github.com/wfraser/lcd-pcf8574
[INFO] tweaked toml for git repo https://github.com/wfraser/lcd-pcf8574 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding i2cdev v0.5.1 (available: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lcd v0.4.1
[INFO] [stderr] error: failed to unpack package `lcd v0.4.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `lcd-0.4.1/tests/util/mod.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lcd-0.4.1/tests/util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

 Downloading crates ...
  Downloaded lcd v0.4.1
error: failed to unpack package `lcd v0.4.1`

Caused by:
  failed to unpack entry at `lcd-0.4.1/tests/util/mod.rs`

Caused by:
  failed to create `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lcd-0.4.1/tests/util`

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