[INFO] cloning repository https://github.com/costott/mandlebrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/costott/mandlebrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcostott%2Fmandlebrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcostott%2Fmandlebrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1712230850e56c317b8c7db940b0b11253136e8
[INFO] checking costott/mandlebrot against master#6f34f4ee074ce0affc7bbf4e2c835f66cd576f13 for pr-147017
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcostott%2Fmandlebrot" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  88% (55/62)
Updating files:  90% (56/62)
Updating files:  91% (57/62)
Updating files:  93% (58/62)
Updating files:  95% (59/62)
Updating files:  96% (60/62)
Updating files:  98% (61/62)
Updating files: 100% (62/62)
Updating files: 100% (62/62), done.
[INFO] started tweaking git repo https://github.com/costott/mandlebrot
[INFO] finished tweaking git repo https://github.com/costott/mandlebrot
[INFO] tweaked toml for git repo https://github.com/costott/mandlebrot written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/costott/mandlebrot on toolchain 6f34f4ee074ce0affc7bbf4e2c835f66cd576f13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6f34f4ee074ce0affc7bbf4e2c835f66cd576f13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/costott/mandlebrot 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" "+6f34f4ee074ce0affc7bbf4e2c835f66cd576f13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


no output for 300 seconds