[INFO] cloning repository https://github.com/blackgraywolf/speed-racer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blackgraywolf/speed-racer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblackgraywolf%2Fspeed-racer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblackgraywolf%2Fspeed-racer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00aac679a5e652b2bd76417e4b64c4171ae1debf
[INFO] checking blackgraywolf/speed-racer against 1ed2df61a19042f231709eb05d032ae9e2cb2084 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblackgraywolf%2Fspeed-racer" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  74% (586/789)
Updating files:  75% (592/789)
Updating files:  76% (600/789)
Updating files:  77% (608/789)
Updating files:  78% (616/789)
Updating files:  79% (624/789)
Updating files:  80% (632/789)
Updating files:  81% (640/789)
Updating files:  82% (647/789)
Updating files:  83% (655/789)
Updating files:  84% (663/789)
Updating files:  85% (671/789)
Updating files:  86% (679/789)
Updating files:  87% (687/789)
Updating files:  88% (695/789)
Updating files:  89% (703/789)
Updating files:  90% (711/789)
Updating files:  91% (718/789)
Updating files:  92% (726/789)
Updating files:  93% (734/789)
Updating files:  94% (742/789)
Updating files:  95% (750/789)
Updating files:  96% (758/789)
Updating files:  97% (766/789)
Updating files:  98% (774/789)
Updating files:  99% (782/789)
Updating files: 100% (789/789)
Updating files: 100% (789/789), done.
[INFO] started tweaking git repo https://github.com/blackgraywolf/speed-racer
[INFO] finished tweaking git repo https://github.com/blackgraywolf/speed-racer
[INFO] tweaked toml for git repo https://github.com/blackgraywolf/speed-racer written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blackgraywolf/speed-racer on toolchain 1ed2df61a19042f231709eb05d032ae9e2cb2084
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/blackgraywolf/speed-racer 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" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "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


overridden task result to prepare-fail:timeout

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