[INFO] cloning repository https://github.com/tpapak/tide-maxflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tpapak/tide-maxflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftpapak%2Ftide-maxflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftpapak%2Ftide-maxflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72273cd8ce796f936c3cb6fb1c95a5f4dd9dd7a5
[INFO] checking tpapak/tide-maxflow against 656a9da186dacaf3bf8f7f7296a825d256cb4ae3 for pr-158915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftpapak%2Ftide-maxflow" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tpapak/tide-maxflow
[INFO] finished tweaking git repo https://github.com/tpapak/tide-maxflow
[INFO] tweaked toml for git repo https://github.com/tpapak/tide-maxflow written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tpapak/tide-maxflow on toolchain 656a9da186dacaf3bf8f7f7296a825d256cb4ae3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tpapak/tide-maxflow 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" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: binary `gen_graphs` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc1/source/target/.../gen_graphs
[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 `gen-graphs`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/gen_graphs.rs
[INFO] [stderr] 1 + src/bin/gen-graphs.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `solve_dimacs` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc1/source/target/.../solve_dimacs
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `solve-dimacs`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/solve_dimacs.rs
[INFO] [stderr] 1 + src/bin/solve-dimacs.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `tide-maxflow` (manifest) generated 3 warnings
[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