[INFO] cloning repository https://github.com/vito-chl/driver_for_rtt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vito-chl/driver_for_rtt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvito-chl%2Fdriver_for_rtt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvito-chl%2Fdriver_for_rtt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10831f83fd4966e5da8db7d5a5b9961dc2e4723a
[INFO] checking vito-chl/driver_for_rtt against master#4e1f5d90bca45207605a88e39b1f76abcdb85d2f for pr-123962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvito-chl%2Fdriver_for_rtt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vito-chl/driver_for_rtt on toolchain 4e1f5d90bca45207605a88e39b1f76abcdb85d2f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vito-chl/driver_for_rtt
[INFO] finished tweaking git repo https://github.com/vito-chl/driver_for_rtt
[INFO] tweaked toml for git repo https://github.com/vito-chl/driver_for_rtt written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vito-chl/driver_for_rtt 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" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.stm32h7.stm32h7
[INFO] [stderr] warning: dependency (stm32h7) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/mlib.git`
[INFO] [stderr]     Updating git repository `https://github.com/vito-chl/rtt_rs.git`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/spi-flash-rs.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/rtt_kernel_scheduler.git`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/rtt_kernel_cpu`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/rtt_kernel_io`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/rtt_kernel_memory`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/rtt_kernel_mutex`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/slab_allocator_rs`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/buddy_system_allocator`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.