[INFO] cloning repository https://github.com/roseduan/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roseduan/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froseduan%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froseduan%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5246ac494de647b179c4542df742b2710d660fb
[INFO] checking roseduan/rust-learn against ed77b7b8699e342c2dc842c83cb5fe4025252ee8 for pr-158915-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froseduan%2Frust-learn" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/roseduan/rust-learn
[INFO] finished tweaking git repo https://github.com/roseduan/rust-learn
[INFO] tweaked toml for git repo https://github.com/roseduan/rust-learn written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/roseduan/rust-learn on toolchain ed77b7b8699e342c2dc842c83cb5fe4025252ee8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/roseduan/rust-learn 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" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "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 `type_1` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc1/source/target/.../type_1
[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 `type-1`, convert `bin.name`
[INFO] [stderr]  --> 05-typesystem/Cargo.toml:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 - name = "type_1"
[INFO] [stderr] 9 + name = "type-1"
[INFO] [stderr]   |
[INFO] [stderr] warning: `typesystem` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `copy_trait` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../copy_trait
[INFO] [stderr]    |                                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `copy-trait`, convert `bin.name`
[INFO] [stderr]   --> 02-ownership/Cargo.toml:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 - name = "copy_trait"
[INFO] [stderr] 17 + name = "copy-trait"
[INFO] [stderr]    |
[INFO] [stderr] warning: `ownership` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `exercise_strtok` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../exercise_strtok
[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 `exercise-strtok`, convert `bin.name`
[INFO] [stderr]   --> 03-lifecycle/Cargo.toml:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 - name = "exercise_strtok"
[INFO] [stderr] 21 + name = "exercise-strtok"
[INFO] [stderr]    |
[INFO] [stderr] warning: `lifecycle` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `mem_layout_1` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc1/source/target/.../mem_layout_1
[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 `mem-layout-1`, convert `bin.name`
[INFO] [stderr]  --> 04-memmange/Cargo.toml:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 - name = "mem_layout_1"
[INFO] [stderr] 9 + name = "mem-layout-1"
[INFO] [stderr]   |
[INFO] [stderr] warning: `memmange` (manifest) generated 1 warning
[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