[INFO] cloning repository https://github.com/krish19dixit/rust_basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krish19dixit/rust_basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrish19dixit%2Frust_basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrish19dixit%2Frust_basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c064c47732fcf966c399e0177efb12fd36c33a4
[INFO] checking krish19dixit/rust_basics against master#bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3 for pr-149328
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrish19dixit%2Frust_basics" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  84% (1153/1361)
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Updating files: 100% (1361/1361), done.
[INFO] started tweaking git repo https://github.com/krish19dixit/rust_basics
[INFO] finished tweaking git repo https://github.com/krish19dixit/rust_basics
[INFO] tweaked toml for git repo https://github.com/krish19dixit/rust_basics written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krish19dixit/rust_basics on toolchain bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krish19dixit/rust_basics 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" "+bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


no output for 300 seconds