[INFO] cloning repository https://github.com/ngynkvn/rust-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngynkvn/rust-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Frust-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Frust-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d78f8ef2f2691273a2a1982a1c77649d80e227d
[INFO] checking ngynkvn/rust-emu against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Frust-emu" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ngynkvn/rust-emu
[INFO] finished tweaking git repo https://github.com/ngynkvn/rust-emu
[INFO] tweaked toml for git repo https://github.com/ngynkvn/rust-emu written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ngynkvn/rust-emu on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ngynkvn/rust-emu 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/tikv/minitrace-rust.git`
[INFO] [stderr]     Updating git repository `https://github.com/zhongzc/minstant.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.12
[INFO] [stderr] error: failed to unpack package `structopt-derive v0.4.12`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `structopt-derive-0.4.12/src/doc_comments.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/structopt-derive-0.4.12/src/doc_comments.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `structopt-derive-0.4.12/src/doc_comments.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/structopt-derive-0.4.12/src/doc_comments.rs`
[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
    Updating crates.io index
    Updating git repository `https://github.com/tikv/minitrace-rust.git`
    Updating git repository `https://github.com/zhongzc/minstant.git`
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded structopt-derive v0.4.12
error: failed to unpack package `structopt-derive v0.4.12`

Caused by:
  failed to unpack entry at `structopt-derive-0.4.12/src/doc_comments.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/structopt-derive-0.4.12/src/doc_comments.rs`

Caused by:
  failed to unpack `structopt-derive-0.4.12/src/doc_comments.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/structopt-derive-0.4.12/src/doc_comments.rs`

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