[INFO] cloning repository https://github.com/schell/mogwai-realworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schell/mogwai-realworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschell%2Fmogwai-realworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschell%2Fmogwai-realworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1ca72ccadfc6131bb3c7905e3e0d3de7500fd97
[INFO] checking schell/mogwai-realworld against master#52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6 for pr-127907
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschell%2Fmogwai-realworld" "/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/schell/mogwai-realworld on toolchain 52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schell/mogwai-realworld
[INFO] finished tweaking git repo https://github.com/schell/mogwai-realworld
[INFO] tweaked toml for git repo https://github.com/schell/mogwai-realworld written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/schell/mogwai-realworld 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" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mogwai-html-macro v0.2.1
[INFO] [stderr]   Downloaded snafu-derive v0.6.9
[INFO] [stderr] error: failed to unpack package `snafu-derive v0.6.9`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `snafu-derive-0.6.9/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/snafu-derive-0.6.9/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `snafu-derive-0.6.9/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/snafu-derive-0.6.9/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.