[INFO] fetching crate cchain 0.3.42...
[INFO] checking cchain-0.3.42 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate cchain 0.3.42 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate cchain 0.3.42
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cchain 0.3.42
[INFO] tweaked toml for crates.io crate cchain 0.3.42 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cchain 0.3.42 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cchain 0.3.42 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 433292208bbaef80120fb13010e0ee8312b9d612bcb43e9e519adee1f54df855
[INFO] running `Command { std: "docker" "start" "-a" "433292208bbaef80120fb13010e0ee8312b9d612bcb43e9e519adee1f54df855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "433292208bbaef80120fb13010e0ee8312b9d612bcb43e9e519adee1f54df855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "433292208bbaef80120fb13010e0ee8312b9d612bcb43e9e519adee1f54df855", kill_on_drop: false }`
[INFO] [stdout] 433292208bbaef80120fb13010e0ee8312b9d612bcb43e9e519adee1f54df855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f03cf7b51704dbc1459807c0ec86755d3fa6ff367f4c0579daf8be27a23d7b9
[INFO] running `Command { std: "docker" "start" "-a" "8f03cf7b51704dbc1459807c0ec86755d3fa6ff367f4c0579daf8be27a23d7b9", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `ParsedCommands` is never constructed
[INFO] [stdout]   --> src/generations/create.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ParsedCommands {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChainCreation` is never constructed
[INFO] [stdout]   --> src/generations/create.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct ChainCreation {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `create_filename`, `get_template_objects`, `generate_template`, `generate_chain`, and `save` are never used
[INFO] [stdout]    --> src/generations/create.rs:27:12
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl ChainCreation {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 26  |
[INFO] [stdout] 27  |     pub fn new(name: Option<String>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31  |     pub fn create_filename(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40  |     pub fn get_template_objects(&self) -> Vec<Program> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76  |     pub fn generate_template(&self) -> Result<String, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |     pub fn generate_chain(&self, request: String) -> Result<String, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn save(&self, json: String) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_json` is never used
[INFO] [stdout]   --> src/generations/llm.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl LLM {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn generate_json(&self, prompt: String) -> Result<String, Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParsedCommands` is never constructed
[INFO] [stdout]   --> src/generations/create.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ParsedCommands {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChainCreation` is never constructed
[INFO] [stdout]   --> src/generations/create.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct ChainCreation {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `create_filename`, `get_template_objects`, `generate_template`, `generate_chain`, and `save` are never used
[INFO] [stdout]    --> src/generations/create.rs:27:12
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl ChainCreation {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 26  |
[INFO] [stdout] 27  |     pub fn new(name: Option<String>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31  |     pub fn create_filename(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40  |     pub fn get_template_objects(&self) -> Vec<Program> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76  |     pub fn generate_template(&self) -> Result<String, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |     pub fn generate_chain(&self, request: String) -> Result<String, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn save(&self, json: String) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_json` is never used
[INFO] [stdout]   --> src/generations/llm.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl LLM {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn generate_json(&self, prompt: String) -> Result<String, Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PackageManager` is never constructed
[INFO] [stdout]   --> src/commons/packages.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct PackageManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `install_package`, `check_package_managers_availability`, and `get_available_package_managers` are never used
[INFO] [stdout]   --> src/commons/packages.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl PackageManager {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 50 |     pub fn install_package(&self, package_name: &str) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn check_package_managers_availability<'a, T: Iterator<Item = &'a str>>(package_managers: T) -> Vec<PackageManager> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn get_available_package_managers() -> Result<Vec<PackageManager>, Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AvailablePackageManager` is never used
[INFO] [stdout]    --> src/commons/packages.rs:129:11
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub trait AvailablePackageManager {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SystemScript` is never used
[INFO] [stdout]  --> src/commons/shell.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait SystemScript {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Selection` is never constructed
[INFO] [stdout]  --> src/display_control.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Level {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Selection,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Level` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_parameters` is never used
[INFO] [stdout]   --> src/function.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Function {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn get_parameters(&self) -> &Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/marker/reference.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl ChainReference {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn new(path: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_initialized` is never used
[INFO] [stdout]   --> src/variable.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl VariableInitializationTime {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn is_initialized(&self, program_index: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_value` is never used
[INFO] [stdout]    --> src/variable.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 269 | pub trait VariableGroupControl {
[INFO] [stdout]     |           -------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 272 |     fn get_value(&self, variable_name: &str) -> Result<String, Error>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_retry` is never used
[INFO] [stdout]   --> src/core/program.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Program {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn get_retry(&self) -> &i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Function` and `ConcurrencyGroup` are never constructed
[INFO] [stdout]   --> src/core/traits.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub enum ExecutionType {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8  |     Function,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 9  |     CommandLine,
[INFO] [stdout] 10 |     ConcurrencyGroup,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_failed_program_execution_number` is never used
[INFO] [stdout]    --> src/core/chain.rs:304:12
[INFO] [stdout]     |
[INFO] [stdout] 31  | impl Chain {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 304 |     pub fn get_failed_program_execution_number(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PackageManager` is never constructed
[INFO] [stdout]   --> src/commons/packages.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct PackageManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `install_package`, `check_package_managers_availability`, and `get_available_package_managers` are never used
[INFO] [stdout]   --> src/commons/packages.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl PackageManager {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 50 |     pub fn install_package(&self, package_name: &str) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn check_package_managers_availability<'a, T: Iterator<Item = &'a str>>(package_managers: T) -> Vec<PackageManager> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn get_available_package_managers() -> Result<Vec<PackageManager>, Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AvailablePackageManager` is never used
[INFO] [stdout]    --> src/commons/packages.rs:129:11
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub trait AvailablePackageManager {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SystemScript` is never used
[INFO] [stdout]  --> src/commons/shell.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait SystemScript {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Selection` is never constructed
[INFO] [stdout]  --> src/display_control.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Level {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Selection,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Level` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_parameters` is never used
[INFO] [stdout]   --> src/function.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Function {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn get_parameters(&self) -> &Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/marker/reference.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl ChainReference {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn new(path: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_initialized` is never used
[INFO] [stdout]   --> src/variable.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl VariableInitializationTime {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn is_initialized(&self, program_index: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_value` is never used
[INFO] [stdout]    --> src/variable.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 269 | pub trait VariableGroupControl {
[INFO] [stdout]     |           -------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 272 |     fn get_value(&self, variable_name: &str) -> Result<String, Error>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_retry` is never used
[INFO] [stdout]   --> src/core/program.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Program {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn get_retry(&self) -> &i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Function` and `ConcurrencyGroup` are never constructed
[INFO] [stdout]   --> src/core/traits.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub enum ExecutionType {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8  |     Function,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 9  |     CommandLine,
[INFO] [stdout] 10 |     ConcurrencyGroup,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_failed_program_execution_number` is never used
[INFO] [stdout]    --> src/core/chain.rs:304:12
[INFO] [stdout]     |
[INFO] [stdout] 31  | impl Chain {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 304 |     pub fn get_failed_program_execution_number(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 09s
[INFO] running `Command { std: "docker" "inspect" "8f03cf7b51704dbc1459807c0ec86755d3fa6ff367f4c0579daf8be27a23d7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f03cf7b51704dbc1459807c0ec86755d3fa6ff367f4c0579daf8be27a23d7b9", kill_on_drop: false }`
[INFO] [stdout] 8f03cf7b51704dbc1459807c0ec86755d3fa6ff367f4c0579daf8be27a23d7b9
