[INFO] cloning repository https://github.com/learn-rust-projects/placement-center
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learn-rust-projects/placement-center" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-rust-projects%2Fplacement-center", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-rust-projects%2Fplacement-center'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8161ad8210b1decf68d96fbd4bfcc7e0f3769024
[INFO] checking learn-rust-projects/placement-center against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-rust-projects%2Fplacement-center" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/learn-rust-projects/placement-center
[INFO] finished tweaking git repo https://github.com/learn-rust-projects/placement-center
[INFO] tweaked toml for git repo https://github.com/learn-rust-projects/placement-center written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/learn-rust-projects/placement-center on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/learn-rust-projects/placement-center 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: workspace.package.name
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr] warning: src/common/base/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/common/base/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `common-base` (manifest) generated 2 warnings
[INFO] [stderr] warning: src/cmd/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/cmd/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `cmd` (manifest) generated 2 warnings
[INFO] [stderr] warning: src/placement-center/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/placement-center/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `placement-center` (manifest) generated 2 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking learn-rust-projects/placement-center against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-rust-projects%2Fplacement-center" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/learn-rust-projects/placement-center
[INFO] finished tweaking git repo https://github.com/learn-rust-projects/placement-center
[INFO] tweaked toml for git repo https://github.com/learn-rust-projects/placement-center written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/learn-rust-projects/placement-center on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/learn-rust-projects/placement-center 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: workspace.package.name
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr] warning: src/cmd/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/cmd/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `cmd` (manifest) generated 2 warnings
[INFO] [stderr] warning: src/placement-center/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/placement-center/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `placement-center` (manifest) generated 2 warnings
[INFO] [stderr] warning: src/common/base/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/common/base/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `common-base` (manifest) generated 2 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking learn-rust-projects/placement-center against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-rust-projects%2Fplacement-center" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/learn-rust-projects/placement-center
[INFO] finished tweaking git repo https://github.com/learn-rust-projects/placement-center
[INFO] tweaked toml for git repo https://github.com/learn-rust-projects/placement-center written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/learn-rust-projects/placement-center on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/learn-rust-projects/placement-center 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: workspace.package.name
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr] warning: src/common/base/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/common/base/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `common-base` (manifest) generated 2 warnings
[INFO] [stderr] warning: src/placement-center/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/placement-center/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `placement-center` (manifest) generated 2 warnings
[INFO] [stderr] warning: src/cmd/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/cmd/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `cmd` (manifest) generated 2 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking learn-rust-projects/placement-center against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-rust-projects%2Fplacement-center" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/learn-rust-projects/placement-center
[INFO] finished tweaking git repo https://github.com/learn-rust-projects/placement-center
[INFO] tweaked toml for git repo https://github.com/learn-rust-projects/placement-center written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/learn-rust-projects/placement-center on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/learn-rust-projects/placement-center 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: workspace.package.name
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr] warning: src/common/base/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/common/base/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `common-base` (manifest) generated 2 warnings
[INFO] [stderr] warning: src/placement-center/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/placement-center/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `placement-center` (manifest) generated 2 warnings
[INFO] [stderr] warning: src/cmd/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/cmd/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `cmd` (manifest) generated 2 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking learn-rust-projects/placement-center against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-rust-projects%2Fplacement-center" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/learn-rust-projects/placement-center
[INFO] finished tweaking git repo https://github.com/learn-rust-projects/placement-center
[INFO] tweaked toml for git repo https://github.com/learn-rust-projects/placement-center written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/learn-rust-projects/placement-center on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/learn-rust-projects/placement-center 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: workspace.package.name
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr] warning: src/cmd/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/cmd/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `cmd` (manifest) generated 2 warnings
[INFO] [stderr] warning: src/placement-center/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/placement-center/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `placement-center` (manifest) generated 2 warnings
[INFO] [stderr] warning: src/common/base/Cargo.toml: version requirement `0.9.34+deprecated` for dependency `serde_yaml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: src/common/base/Cargo.toml: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: `common-base` (manifest) generated 2 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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