[INFO] cloning repository https://github.com/whentze/cursed_rustc_driver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whentze/cursed_rustc_driver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhentze%2Fcursed_rustc_driver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhentze%2Fcursed_rustc_driver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd704715282796da14025a0540479ed41d00496b
[INFO] checking whentze/cursed_rustc_driver/bd704715282796da14025a0540479ed41d00496b against 98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3 for pr-160235-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhentze%2Fcursed_rustc_driver" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/whentze/cursed_rustc_driver
[INFO] finished tweaking git repo https://github.com/whentze/cursed_rustc_driver
[INFO] tweaked toml for git repo https://github.com/whentze/cursed_rustc_driver written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whentze/cursed_rustc_driver on toolchain 98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/whentze/cursed_rustc_driver 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" "+98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `cursed_rustc_driver` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc1/source/target/.../cursed_rustc_driver
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `cursed-rustc-driver`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:7:8
[INFO] [stderr]    |
[INFO] [stderr]  7 - name = "cursed_rustc_driver"
[INFO] [stderr]  7 + name = "cursed-rustc-driver"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `cursed-rustc-driver`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:8:19
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ version = "0.1.0"
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "cursed-rustc-driver"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `cursed_rustc_driver` (manifest) generated 1 warning
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/rust.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/backtrace-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/stdarch.git`
[INFO] [stderr]     Updating git submodule `https://github.com/ARM-software/acle.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/book.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/edition-guide.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-embedded/book.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/nomicon.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/reference.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/rust-by-example.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/rustc-dev-guide.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/llvm-project.git`
[ERROR] error running command: no output for 300 seconds


overridden task result to prepare-fail:timeout

Caused by:
    0: uncategorized prepare error
    1: no output for 300 seconds