[INFO] cloning repository https://github.com/gab5987/rust-serial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gab5987/rust-serial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgab5987%2Frust-serial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgab5987%2Frust-serial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27b12b47c99e44a65f592e2923ef93dd678c837c
[INFO] checking gab5987/rust-serial against master#d93f678fa55842cccd2f091deccd93e9494b3764 for pr-138844
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgab5987%2Frust-serial" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gab5987/rust-serial on toolchain d93f678fa55842cccd2f091deccd93e9494b3764
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gab5987/rust-serial
[INFO] finished tweaking git repo https://github.com/gab5987/rust-serial
[INFO] tweaked toml for git repo https://github.com/gab5987/rust-serial written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gab5987/rust-serial 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" "+d93f678fa55842cccd2f091deccd93e9494b3764" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.2.0
[INFO] [stderr] error: failed to unpack package `serialport v4.2.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `serialport-4.2.0/examples/duplex.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serialport-4.2.0/examples/duplex.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `serialport-4.2.0/examples/duplex.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serialport-4.2.0/examples/duplex.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

 Downloading crates ...
  Downloaded serialport v4.2.0
error: failed to unpack package `serialport v4.2.0`

Caused by:
  failed to unpack entry at `serialport-4.2.0/examples/duplex.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serialport-4.2.0/examples/duplex.rs`

Caused by:
  failed to unpack `serialport-4.2.0/examples/duplex.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serialport-4.2.0/examples/duplex.rs`

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