[INFO] updating cached repository https://github.com/daogilvie/rust-monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/daogilvie/rust-monkey
[INFO] [stderr]    783eca3..afded4f  chapter/3.4-3.5 -> chapter/3.4-3.5
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efdd4377cb85fb0e39282aa91f7480740cb28c06
[INFO] checking daogilvie/rust-monkey against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogilvie%2Frust-monkey" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daogilvie/rust-monkey on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daogilvie/rust-monkey
[INFO] finished tweaking git repo https://github.com/daogilvie/rust-monkey
[INFO] tweaked toml for git repo https://github.com/daogilvie/rust-monkey written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/daogilvie/rust-monkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba088f7e34e242eda348bc91fc7d67e23cdcff20240d0b6104f16a7085fe6648
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba088f7e34e242eda348bc91fc7d67e23cdcff20240d0b6104f16a7085fe6648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba088f7e34e242eda348bc91fc7d67e23cdcff20240d0b6104f16a7085fe6648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba088f7e34e242eda348bc91fc7d67e23cdcff20240d0b6104f16a7085fe6648", kill_on_drop: false }`
[INFO] [stdout] ba088f7e34e242eda348bc91fc7d67e23cdcff20240d0b6104f16a7085fe6648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49f9131db6ba9cbdcb33f97b6c2d9e7578286569424c6cdcdf52dfad77482dbc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49f9131db6ba9cbdcb33f97b6c2d9e7578286569424c6cdcdf52dfad77482dbc", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `BooleanLiteral`
[INFO] [stdout]   --> src/parse.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | /         BooleanLiteral {
[INFO] [stdout] 18 | |             value: bool,
[INFO] [stdout] 19 | |         },
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/parse.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         Identifier {
[INFO] [stdout] 21 | |             name: String,
[INFO] [stdout] 22 | |         },
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InfixExpression`
[INFO] [stdout]   --> src/parse.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         InfixExpression {
[INFO] [stdout] 24 | |             left: Box<ExpressionNode>,
[INFO] [stdout] 25 | |             operator: lex::Token,
[INFO] [stdout] 26 | |             right: Box<ExpressionNode>,
[INFO] [stdout] 27 | |         },
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IntegerLiteral`
[INFO] [stdout]   --> src/parse.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         IntegerLiteral {
[INFO] [stdout] 29 | |             value: i64,
[INFO] [stdout] 30 | |         },
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PrefixExpression`
[INFO] [stdout]   --> src/parse.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         PrefixExpression {
[INFO] [stdout] 32 | |             operator: lex::Token,
[INFO] [stdout] 33 | |             right: Box<ExpressionNode>,
[INFO] [stdout] 34 | |         },
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IfConditional`
[INFO] [stdout]   --> src/parse.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | /         IfConditional {
[INFO] [stdout] 36 | |             condition: Box<ExpressionNode>,
[INFO] [stdout] 37 | |             consequence: Box<StatementNode>,
[INFO] [stdout] 38 | |             alternative: Option<Box<StatementNode>>,
[INFO] [stdout] 39 | |         },
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FunctionLiteral`
[INFO] [stdout]   --> src/parse.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         FunctionLiteral {
[INFO] [stdout] 41 | |             parameters: Vec<ExpressionNode>,
[INFO] [stdout] 42 | |             body: Box<StatementNode>,
[INFO] [stdout] 43 | |         },
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CallExpression`
[INFO] [stdout]   --> src/parse.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         CallExpression {
[INFO] [stdout] 45 | |             function: Box<ExpressionNode>,
[INFO] [stdout] 46 | |             arguments: Vec<ExpressionNode>,
[INFO] [stdout] 47 | |         },
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Let`
[INFO] [stdout]    --> src/parse.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 | /         Let {
[INFO] [stdout] 120 | |             name: ExpressionNode,
[INFO] [stdout] 121 | |             value: ExpressionNode,
[INFO] [stdout] 122 | |         },
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]    --> src/parse.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 | /         Return {
[INFO] [stdout] 124 | |             value: ExpressionNode,
[INFO] [stdout] 125 | |         },
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]    --> src/parse.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 | /         Expression {
[INFO] [stdout] 127 | |             expression: ExpressionNode,
[INFO] [stdout] 128 | |         },
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlockStatement`
[INFO] [stdout]    --> src/parse.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 | /         BlockStatement {
[INFO] [stdout] 130 | |             statements: Vec<StatementNode>,
[INFO] [stdout] 131 | |         },
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LOWEST`
[INFO] [stdout]    --> src/parse.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 219 |     LOWEST,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EQUALS`
[INFO] [stdout]    --> src/parse.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     EQUALS,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LESSGREATER`
[INFO] [stdout]    --> src/parse.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     LESSGREATER,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SUM`
[INFO] [stdout]    --> src/parse.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     SUM,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PRODUCT`
[INFO] [stdout]    --> src/parse.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     PRODUCT,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PREFIX`
[INFO] [stdout]    --> src/parse.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     PREFIX,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CALL`
[INFO] [stdout]    --> src/parse.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     CALL,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_operator_precedence`
[INFO] [stdout]    --> src/parse.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | fn get_operator_precedence(&token: &lex::TokenType) -> OperatorPrecedence {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]    --> src/parse.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | struct Parser<'a> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `for_lexer`
[INFO] [stdout]    --> src/parse.rs:251:8
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn for_lexer(mut lexer: lex::Lexer) -> Parser {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `advance_tokens`
[INFO] [stdout]    --> src/parse.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn advance_tokens(&mut self) -> lex::Token {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/parse.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn parse(&mut self) -> Result<Program, String> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_statement`
[INFO] [stdout]    --> src/parse.rs:295:8
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn parse_statement(&mut self) -> Result<StatementNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_next_token_of_type`
[INFO] [stdout]    --> src/parse.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn is_next_token_of_type(&self, expected_type: lex::TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `advance_tokens_if_next_of_type`
[INFO] [stdout]    --> src/parse.rs:310:8
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn advance_tokens_if_next_of_type(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_token_precedence`
[INFO] [stdout]    --> src/parse.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 |     fn get_next_token_precedence(&self) -> OperatorPrecedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_current_token_precedence`
[INFO] [stdout]    --> src/parse.rs:338:8
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn get_current_token_precedence(&self) -> OperatorPrecedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_current_token_of_type`
[INFO] [stdout]    --> src/parse.rs:342:8
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn is_current_token_of_type(&self, expected_type: lex::TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_let_statement`
[INFO] [stdout]    --> src/parse.rs:346:8
[INFO] [stdout]     |
[INFO] [stdout] 346 |     fn parse_let_statement(&mut self) -> Result<StatementNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_return_statement`
[INFO] [stdout]    --> src/parse.rs:365:8
[INFO] [stdout]     |
[INFO] [stdout] 365 |     fn parse_return_statement(&mut self) -> Result<StatementNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `attempt_parse_expression_statement`
[INFO] [stdout]    --> src/parse.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn attempt_parse_expression_statement(&mut self) -> Result<StatementNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_expression`
[INFO] [stdout]    --> src/parse.rs:396:8
[INFO] [stdout]     |
[INFO] [stdout] 396 |     fn parse_expression(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `attempt_prefix_parse`
[INFO] [stdout]    --> src/parse.rs:426:8
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn attempt_prefix_parse(&mut self) -> Result<Option<ExpressionNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_parse_infix`
[INFO] [stdout]    --> src/parse.rs:442:8
[INFO] [stdout]     |
[INFO] [stdout] 442 |     fn can_parse_infix(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_identifier`
[INFO] [stdout]    --> src/parse.rs:460:8
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn parse_identifier(&mut self) -> Result<ExpressionNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_integer_literal`
[INFO] [stdout]    --> src/parse.rs:469:8
[INFO] [stdout]     |
[INFO] [stdout] 469 |     fn parse_integer_literal(&mut self) -> Result<ExpressionNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_boolean_literal`
[INFO] [stdout]    --> src/parse.rs:482:8
[INFO] [stdout]     |
[INFO] [stdout] 482 |     fn parse_boolean_literal(&mut self) -> Result<ExpressionNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_grouped_expression`
[INFO] [stdout]    --> src/parse.rs:501:8
[INFO] [stdout]     |
[INFO] [stdout] 501 |     fn parse_grouped_expression(&mut self) -> Result<ExpressionNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_if_expression`
[INFO] [stdout]    --> src/parse.rs:517:8
[INFO] [stdout]     |
[INFO] [stdout] 517 |     fn parse_if_expression(&mut self) -> Result<ExpressionNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_prefix_expression`
[INFO] [stdout]    --> src/parse.rs:563:8
[INFO] [stdout]     |
[INFO] [stdout] 563 |     fn parse_prefix_expression(&mut self) -> Result<ExpressionNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_infix_expression`
[INFO] [stdout]    --> src/parse.rs:576:8
[INFO] [stdout]     |
[INFO] [stdout] 576 |     fn parse_infix_expression(&mut self, lhs: ExpressionNode) -> Result<ExpressionNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_block_statement`
[INFO] [stdout]    --> src/parse.rs:596:8
[INFO] [stdout]     |
[INFO] [stdout] 596 |     fn parse_block_statement(&mut self) -> Result<StatementNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_function_literal`
[INFO] [stdout]    --> src/parse.rs:612:8
[INFO] [stdout]     |
[INFO] [stdout] 612 |     fn parse_function_literal(&mut self) -> Result<ExpressionNode, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_function_parameters`
[INFO] [stdout]    --> src/parse.rs:627:8
[INFO] [stdout]     |
[INFO] [stdout] 627 |     fn parse_function_parameters(&mut self) -> Result<Vec<ExpressionNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_call_expression`
[INFO] [stdout]    --> src/parse.rs:644:8
[INFO] [stdout]     |
[INFO] [stdout] 644 |     fn parse_call_expression(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_call_arguments`
[INFO] [stdout]    --> src/parse.rs:659:8
[INFO] [stdout]     |
[INFO] [stdout] 659 |     fn parse_call_arguments(&mut self) -> Result<Vec<ExpressionNode>, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 48 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "49f9131db6ba9cbdcb33f97b6c2d9e7578286569424c6cdcdf52dfad77482dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f9131db6ba9cbdcb33f97b6c2d9e7578286569424c6cdcdf52dfad77482dbc", kill_on_drop: false }`
[INFO] [stdout] 49f9131db6ba9cbdcb33f97b6c2d9e7578286569424c6cdcdf52dfad77482dbc