[INFO] cloning repository https://github.com/ericbreyer/serenity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericbreyer/serenity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericbreyer%2Fserenity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericbreyer%2Fserenity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83234763d317173608e0e3e53d06498962b44bd0
[INFO] checking ericbreyer/serenity against master#5dfe648b45659db8dd0a673a806bba3df84aa3af for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericbreyer%2Fserenity" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  90% (4712/5223)
Updating files:  91% (4753/5223)
Updating files:  92% (4806/5223)
Updating files:  93% (4858/5223)
Updating files:  94% (4910/5223)
Updating files:  95% (4962/5223)
Updating files:  96% (5015/5223)
Updating files:  97% (5067/5223)
Updating files:  98% (5119/5223)
Updating files:  99% (5171/5223)
Updating files: 100% (5223/5223)
Updating files: 100% (5223/5223), done.
[INFO] validating manifest of git repo https://github.com/ericbreyer/serenity on toolchain 5dfe648b45659db8dd0a673a806bba3df84aa3af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericbreyer/serenity
[INFO] finished tweaking git repo https://github.com/ericbreyer/serenity
[INFO] tweaked toml for git repo https://github.com/ericbreyer/serenity written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ericbreyer/serenity 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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v180.0.0
[INFO] [stderr] error: No space left on device (os error 28)


ExecutionFailed(ExitStatus(unix_wait_status(25856)))