[INFO] cloning repository https://github.com/amelaku8/Rust_for_production
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amelaku8/Rust_for_production" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famelaku8%2FRust_for_production", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famelaku8%2FRust_for_production'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 872a7ed860a626209d9b8aafa0dcd78f10cd5aed
[INFO] checking amelaku8/Rust_for_production against master#3c9faa0d037b9eecda4a440cc482ff7f960fb8a5 for pr-152210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famelaku8%2FRust_for_production" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/amelaku8/Rust_for_production
[INFO] finished tweaking git repo https://github.com/amelaku8/Rust_for_production
[INFO] tweaked toml for git repo https://github.com/amelaku8/Rust_for_production written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/amelaku8/Rust_for_production on toolchain 3c9faa0d037b9eecda4a440cc482ff7f960fb8a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c9faa0d037b9eecda4a440cc482ff7f960fb8a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/amelaku8/Rust_for_production 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" "+3c9faa0d037b9eecda4a440cc482ff7f960fb8a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.rustflags
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


no output for 300 seconds