[INFO] fetching crate witgen 0.15.0...
[INFO] checking witgen-0.15.0 against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[INFO] extracting crate witgen 0.15.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate witgen 0.15.0 on toolchain 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate witgen 0.15.0
[INFO] finished tweaking crates.io crate witgen 0.15.0
[INFO] tweaked toml for crates.io crate witgen 0.15.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 86 packages to latest compatible versions
[INFO] [stderr]       Adding k9 v0.11.6 (available: v0.12.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.96)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-file-expand v0.2.0
[INFO] [stderr] error: failed to unpack package `syn-file-expand v0.2.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `syn-file-expand-0.2.0/Cargo.toml.orig`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-file-expand-0.2.0/Cargo.toml.orig`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `syn-file-expand-0.2.0/Cargo.toml.orig` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-file-expand-0.2.0/Cargo.toml.orig`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


ExecutionFailed(ExitStatus(unix_wait_status(25856)))