[INFO] cloning repository https://github.com/KowalskiThomas/RustChallenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KowalskiThomas/RustChallenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKowalskiThomas%2FRustChallenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKowalskiThomas%2FRustChallenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75e8fbd48884254d5b4fa2c7bbe7cb4803167993
[INFO] checking KowalskiThomas/RustChallenges against d8df82673d5911b6112a85bf91d9adefb2c66a1a for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKowalskiThomas%2FRustChallenges" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KowalskiThomas/RustChallenges
[INFO] finished tweaking git repo https://github.com/KowalskiThomas/RustChallenges
[INFO] tweaked toml for git repo https://github.com/KowalskiThomas/RustChallenges written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KowalskiThomas/RustChallenges on toolchain d8df82673d5911b6112a85bf91d9adefb2c66a1a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8df82673d5911b6112a85bf91d9adefb2c66a1a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KowalskiThomas/RustChallenges 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" "+d8df82673d5911b6112a85bf91d9adefb2c66a1a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: binary `broadcast_2` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../broadcast_2
[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 `broadcast-2`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/broadcast_2.rs
[INFO] [stderr] 1 + src/bin/broadcast-2.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `unique_id` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../unique_id
[INFO] [stderr]   |                                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `unique-id`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/unique_id.rs
[INFO] [stderr] 1 + src/bin/unique-id.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `distributed_challenges` (manifest) generated 2 warnings
[INFO] [stderr] warning: binary `broadcast_1_solution` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../broadcast_1_solution
[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 `broadcast-1-solution`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/broadcast_1_solution.rs
[INFO] [stderr] 1 + src/bin/broadcast-1-solution.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `broadcast_2_solution` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../broadcast_2_solution
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `broadcast-2-solution`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/broadcast_2_solution.rs
[INFO] [stderr] 1 + src/bin/broadcast-2-solution.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `echo_solution` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../echo_solution
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `echo-solution`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/echo_solution.rs
[INFO] [stderr] 1 + src/bin/echo-solution.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `unique_id_solution` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc1/source/target/.../unique_id_solution
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `unique-id-solution`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/unique_id_solution.rs
[INFO] [stderr] 1 + src/bin/unique-id-solution.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `distributed_challenges_solution` (manifest) generated 4 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