[INFO] cloning repository https://github.com/soulwax/Learn2Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soulwax/Learn2Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoulwax%2FLearn2Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoulwax%2FLearn2Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bdb9ca976d8dd886955dcaac1f9e42af3ad03bb
[INFO] checking soulwax/Learn2Rust against 018018e881e2db0956f229dbb543e21f058d1ce7 for pr-162597
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoulwax%2FLearn2Rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/soulwax/Learn2Rust
[INFO] finished tweaking git repo https://github.com/soulwax/Learn2Rust
[INFO] tweaked toml for git repo https://github.com/soulwax/Learn2Rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/soulwax/Learn2Rust on toolchain 018018e881e2db0956f229dbb543e21f058d1ce7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+018018e881e2db0956f229dbb543e21f058d1ce7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/soulwax/Learn2Rust 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" "+018018e881e2db0956f229dbb543e21f058d1ce7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `ch00_setup` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-6-tc1/source/target/.../ch00_setup
[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 `ch00-setup`, convert `package.name`
[INFO] [stderr]   --> labs/ch00_setup/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "ch00_setup"
[INFO] [stderr]  2 + name = "ch00-setup"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `ch00-setup`, specify `bin.name`
[INFO] [stderr]   --> labs/ch00_setup/Cargo.toml:7:16
[INFO] [stderr]    |
[INFO] [stderr]  7 ~ [dependencies]
[INFO] [stderr]  8 + [[bin]]
[INFO] [stderr]  9 + name = "ch00-setup"
[INFO] [stderr] 10 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `ch00_setup` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `ch02_ownership` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-6-tc1/source/target/.../ch02_ownership
[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 `ch02-ownership`, convert `package.name`
[INFO] [stderr]   --> labs/ch02_ownership/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "ch02_ownership"
[INFO] [stderr]  2 + name = "ch02-ownership"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `ch02-ownership`, specify `bin.name`
[INFO] [stderr]   --> labs/ch02_ownership/Cargo.toml:7:16
[INFO] [stderr]    |
[INFO] [stderr]  7 ~ [dependencies]
[INFO] [stderr]  8 + [[bin]]
[INFO] [stderr]  9 + name = "ch02-ownership"
[INFO] [stderr] 10 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `ch02_ownership` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `ch01_basics` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-6-tc1/source/target/.../ch01_basics
[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 `ch01-basics`, convert `package.name`
[INFO] [stderr]   --> labs/ch01_basics/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "ch01_basics"
[INFO] [stderr]  2 + name = "ch01-basics"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `ch01-basics`, specify `bin.name`
[INFO] [stderr]   --> labs/ch01_basics/Cargo.toml:7:16
[INFO] [stderr]    |
[INFO] [stderr]  7 ~ [dependencies]
[INFO] [stderr]  8 + [[bin]]
[INFO] [stderr]  9 + name = "ch01-basics"
[INFO] [stderr] 10 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `ch01_basics` (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