[INFO] cloning repository https://github.com/scottbot3000/oiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottbot3000/oiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottbot3000%2Foiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottbot3000%2Foiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa57a544243d03f54c1171f6de42a1f274a800ee
[INFO] checking scottbot3000/oiler against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottbot3000%2Foiler" "/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/scottbot3000/oiler on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scottbot3000/oiler
[INFO] finished tweaking git repo https://github.com/scottbot3000/oiler
[INFO] tweaked toml for git repo https://github.com/scottbot3000/oiler written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/scottbot3000/oiler 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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.31
[INFO] [stderr] error: failed to unpack package `syn v0.15.31`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `syn-0.15.31/Cargo.toml.orig`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.31/Cargo.toml.orig`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `syn-0.15.31/Cargo.toml.orig` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.31/Cargo.toml.orig`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded syn v0.15.31
error: failed to unpack package `syn v0.15.31`

Caused by:
  failed to unpack entry at `syn-0.15.31/Cargo.toml.orig`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.31/Cargo.toml.orig`

Caused by:
  failed to unpack `syn-0.15.31/Cargo.toml.orig` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.31/Cargo.toml.orig`

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