[INFO] cloning repository https://github.com/lovesegfault/buildkit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lovesegfault/buildkit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flovesegfault%2Fbuildkit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flovesegfault%2Fbuildkit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cef343e0f73ece34313d1cfe7af893beb106bc1
[INFO] checking lovesegfault/buildkit against master#d49be02cf6d2e2a01264fcdef1e20c826710c0f5 for pr-133570-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flovesegfault%2Fbuildkit" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lovesegfault/buildkit on toolchain d49be02cf6d2e2a01264fcdef1e20c826710c0f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/lovesegfault/buildkit
[INFO] finished tweaking git repo https://github.com/lovesegfault/buildkit
[INFO] tweaked toml for git repo https://github.com/lovesegfault/buildkit written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lovesegfault/buildkit 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" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.56
[INFO] [stderr] error: failed to unpack package `syn v2.0.56`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `syn-2.0.56/src/gen/visit_mut.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.56/src/gen/visit_mut.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `syn-2.0.56/src/gen/visit_mut.rs` into `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.56/src/gen/visit_mut.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


ExecutionFailed(ExitStatus(unix_wait_status(25856)))