[INFO] cloning repository https://github.com/kotamat/rust_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kotamat/rust_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotamat%2Frust_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotamat%2Frust_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf3226407efe0da3edb393fb0babbde348c0bea3
[INFO] checking kotamat/rust_tutorial against 4fcf39725a9c99bd495d8c73af83628a256ff9a9 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotamat%2Frust_tutorial" "/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/kotamat/rust_tutorial
[INFO] finished tweaking git repo https://github.com/kotamat/rust_tutorial
[INFO] tweaked toml for git repo https://github.com/kotamat/rust_tutorial written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kotamat/rust_tutorial on toolchain 4fcf39725a9c99bd495d8c73af83628a256ff9a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4fcf39725a9c99bd495d8c73af83628a256ff9a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kotamat/rust_tutorial 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" "+4fcf39725a9c99bd495d8c73af83628a256ff9a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `advanced_trait` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../advanced_trait
[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 `advanced-trait`, convert `package.name`
[INFO] [stderr]   --> advanced_trait/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "advanced_trait"
[INFO] [stderr]  2 + name = "advanced-trait"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `advanced-trait`, specify `bin.name`
[INFO] [stderr]   --> advanced_trait/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ [dependencies]
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "advanced-trait"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `advanced_trait` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `unsafe_rust` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../unsafe_rust
[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 `unsafe-rust`, convert `package.name`
[INFO] [stderr]   --> unsafe_rust/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "unsafe_rust"
[INFO] [stderr]  2 + name = "unsafe-rust"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `unsafe-rust`, specify `bin.name`
[INFO] [stderr]   --> unsafe_rust/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ [dependencies]
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "unsafe-rust"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `unsafe_rust` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `smart_pointer` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../smart_pointer
[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 `smart-pointer`, convert `package.name`
[INFO] [stderr]   --> smart_pointer/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "smart_pointer"
[INFO] [stderr]  2 + name = "smart-pointer"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `smart-pointer`, specify `bin.name`
[INFO] [stderr]   --> smart_pointer/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ [dependencies]
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "smart-pointer"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `smart_pointer` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `rust_tutorial` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../rust_tutorial
[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 `rust-tutorial`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:6:8
[INFO] [stderr]    |
[INFO] [stderr]  6 - name = "rust_tutorial"
[INFO] [stderr]  6 + name = "rust-tutorial"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rust-tutorial`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:10:290
[INFO] [stderr]    |
[INFO] [stderr] 10 ~ members = ["guessing_game", "variable", "function", "ownership", "structs", "enums", "restaurant", "collections", "errors", "generics", "tests", "functional_features", "smart_pointer", "concurrency", "oop", "pattern_match", "unsafe_rust", "advanced_trait", "advanced_functions", "macros"]
[INFO] [stderr] 11 + [[bin]]
[INFO] [stderr] 12 + name = "rust-tutorial"
[INFO] [stderr] 13 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rust_tutorial` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `pattern_match` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../pattern_match
[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 `pattern-match`, convert `package.name`
[INFO] [stderr]   --> pattern_match/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "pattern_match"
[INFO] [stderr]  2 + name = "pattern-match"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `pattern-match`, specify `bin.name`
[INFO] [stderr]   --> pattern_match/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ [dependencies]
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "pattern-match"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `pattern_match` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `advanced_functions` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../advanced_functions
[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 `advanced-functions`, convert `package.name`
[INFO] [stderr]   --> advanced_functions/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "advanced_functions"
[INFO] [stderr]  2 + name = "advanced-functions"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `advanced-functions`, specify `bin.name`
[INFO] [stderr]   --> advanced_functions/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ [dependencies]
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "advanced-functions"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `advanced_functions` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `functional_features` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../functional_features
[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 `functional-features`, convert `package.name`
[INFO] [stderr]   --> functional_features/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "functional_features"
[INFO] [stderr]  2 + name = "functional-features"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `functional-features`, specify `bin.name`
[INFO] [stderr]   --> functional_features/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ [dependencies]
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "functional-features"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `functional_features` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `guessing_game` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../guessing_game
[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 `guessing-game`, convert `package.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "guessing_game"
[INFO] [stderr]  2 + name = "guessing-game"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `guessing-game`, specify `bin.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 ~ rand = "0.8.4"
[INFO] [stderr] 11 + [[bin]]
[INFO] [stderr] 12 + name = "guessing-game"
[INFO] [stderr] 13 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `guessing_game` (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