[INFO] cloning repository https://github.com/muffetbot/muffet-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muffetbot/muffet-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuffetbot%2Fmuffet-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuffetbot%2Fmuffet-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0207670687e9aa2ae00541aec101b6a03fb3bb4f
[INFO] building muffetbot/muffet-bot against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuffetbot%2Fmuffet-bot" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/muffetbot/muffet-bot on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/muffetbot/muffet-bot
[INFO] finished tweaking git repo https://github.com/muffetbot/muffet-bot
[INFO] tweaked toml for git repo https://github.com/muffetbot/muffet-bot written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 209 packages to latest compatible versions
[INFO] [stderr]       Adding command_attr v0.3.2 (available: v0.3.8)
[INFO] [stderr]       Adding serenity v0.9.4 (available: v0.12.4)
[INFO] [stderr]       Adding strum v0.20.0 (available: v0.26.3)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.42.0)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.19)
[INFO] [stderr]       Adding tracing-appender v0.1.2 (available: v0.2.3)
[INFO] [stderr]       Adding tracing-subscriber v0.2.25 (available: v0.3.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-appender v0.1.2
[INFO] [stderr]   Downloaded serenity v0.9.4
[INFO] [stderr] error: failed to unpack package `serenity v0.9.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `serenity-0.9.4/src/client/bridge/gateway/shard_runner.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serenity-0.9.4/src/client/bridge/gateway/shard_runner.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `serenity-0.9.4/src/client/bridge/gateway/shard_runner.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serenity-0.9.4/src/client/bridge/gateway/shard_runner.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


ExecutionFailed(ExitStatus(unix_wait_status(25856)))