[INFO] cloning repository https://github.com/seanmonstar/merit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seanmonstar/merit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanmonstar%2Fmerit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanmonstar%2Fmerit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1d4e821f57c2863e71b9b45e1d971baeab16a90
[INFO] checking seanmonstar/merit against master#ac385a5af6d9fa8399a0cec799833cd28324abf8 for pr-125107
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanmonstar%2Fmerit" "/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/seanmonstar/merit on toolchain ac385a5af6d9fa8399a0cec799833cd28324abf8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac385a5af6d9fa8399a0cec799833cd28324abf8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seanmonstar/merit
[INFO] finished tweaking git repo https://github.com/seanmonstar/merit
[INFO] tweaked toml for git repo https://github.com/seanmonstar/merit written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/seanmonstar/merit 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" "+ac385a5af6d9fa8399a0cec799833cd28324abf8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]     Updating env_logger v0.5.13 -> v0.6.2 (latest: v0.11.3)
[INFO] [stderr]     Updating pretty_env_logger v0.2.5 -> v0.3.1 (latest: v0.5.0)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded headers-core v0.0.1
[INFO] [stderr]   Downloaded headers-derive v0.0.1
[INFO] [stderr]   Downloaded openssl v0.10.15
[INFO] [stderr] error: failed to unpack package `openssl v0.10.15`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `openssl-0.10.15/src/string.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/openssl-0.10.15/src/string.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `openssl-0.10.15/src/string.rs` into `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/openssl-0.10.15/src/string.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.