[INFO] cloning repository https://github.com/ecumene/grass_flow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ecumene/grass_flow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecumene%2Fgrass_flow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecumene%2Fgrass_flow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f99dfbd44a47aebf8174482c75812b946601a947
[INFO] checking ecumene/grass_flow against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecumene%2Fgrass_flow" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ecumene/grass_flow
[INFO] finished tweaking git repo https://github.com/ecumene/grass_flow
[INFO] tweaked toml for git repo https://github.com/ecumene/grass_flow written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ecumene/grass_flow on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ecumene/grass_flow 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "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
[INFO] checking ecumene/grass_flow against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecumene%2Fgrass_flow" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ecumene/grass_flow
[INFO] finished tweaking git repo https://github.com/ecumene/grass_flow
[INFO] tweaked toml for git repo https://github.com/ecumene/grass_flow written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ecumene/grass_flow on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ecumene/grass_flow 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "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
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]     Updating amethyst v0.15.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_animation v0.10.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_assets v0.11.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_audio v0.10.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_config v0.14.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_controls v0.9.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_core v0.10.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_derive v0.8.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_error v0.5.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_input v0.11.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_locale v0.9.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_network v0.8.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_rendy v0.5.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_ui v0.10.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_utils v0.10.1 -> v0.15.3
[INFO] [stderr]     Updating amethyst_window v0.5.1 -> v0.15.3
[INFO] [stderr]     Updating rustc_version_runtime v0.1.5 -> v0.2.1
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ecumene/grass_flow against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecumene%2Fgrass_flow" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ecumene/grass_flow
[INFO] finished tweaking git repo https://github.com/ecumene/grass_flow
[INFO] tweaked toml for git repo https://github.com/ecumene/grass_flow written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ecumene/grass_flow on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ecumene/grass_flow 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "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
[INFO] checking ecumene/grass_flow against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecumene%2Fgrass_flow" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ecumene/grass_flow
[INFO] finished tweaking git repo https://github.com/ecumene/grass_flow
[INFO] tweaked toml for git repo https://github.com/ecumene/grass_flow written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ecumene/grass_flow on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ecumene/grass_flow 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "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
[INFO] checking ecumene/grass_flow against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecumene%2Fgrass_flow" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ecumene/grass_flow
[INFO] finished tweaking git repo https://github.com/ecumene/grass_flow
[INFO] tweaked toml for git repo https://github.com/ecumene/grass_flow written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ecumene/grass_flow on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ecumene/grass_flow 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "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


overridden task result to prepare-fail:timeout

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