[INFO] cloning repository https://github.com/starptr/butterfly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/starptr/butterfly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarptr%2Fbutterfly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarptr%2Fbutterfly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bf219f303bb0f9a0739e74d5646ab3220244fe5
[INFO] checking starptr/butterfly against master#fd17deacce374a4185c882795be162e17b557050 for pr-138001
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarptr%2Fbutterfly" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/starptr/butterfly on toolchain fd17deacce374a4185c882795be162e17b557050
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/starptr/butterfly
[INFO] finished tweaking git repo https://github.com/starptr/butterfly
[INFO] tweaked toml for git repo https://github.com/starptr/butterfly written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/starptr/butterfly 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" "+fd17deacce374a4185c882795be162e17b557050" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-str v0.5.3
[INFO] [stderr] error: failed to unpack package `const-str v0.5.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `const-str-0.5.3/src/__ctfe/hex.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/const-str-0.5.3/src/__ctfe/hex.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `const-str-0.5.3/src/__ctfe/hex.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/const-str-0.5.3/src/__ctfe/hex.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

 Downloading crates ...
  Downloaded const-str v0.5.3
error: failed to unpack package `const-str v0.5.3`

Caused by:
  failed to unpack entry at `const-str-0.5.3/src/__ctfe/hex.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/const-str-0.5.3/src/__ctfe/hex.rs`

Caused by:
  failed to unpack `const-str-0.5.3/src/__ctfe/hex.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/const-str-0.5.3/src/__ctfe/hex.rs`

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