[INFO] cloning repository https://github.com/ryo0/monkey-in-rust
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[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo0%2Fmonkey-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 400eb4633edbe90f916791bef5d37e619e7f32e8
[INFO] checking ryo0/monkey-in-rust against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo0%2Fmonkey-in-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryo0/monkey-in-rust on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryo0/monkey-in-rust
[INFO] finished tweaking git repo https://github.com/ryo0/monkey-in-rust
[INFO] tweaked toml for git repo https://github.com/ryo0/monkey-in-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ryo0/monkey-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 587e04b4f4f891e368788a15648fbe3260444ce4cf856af33182e7a676eac524
[INFO] running `Command { std: "docker" "start" "-a" "587e04b4f4f891e368788a15648fbe3260444ce4cf856af33182e7a676eac524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "587e04b4f4f891e368788a15648fbe3260444ce4cf856af33182e7a676eac524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587e04b4f4f891e368788a15648fbe3260444ce4cf856af33182e7a676eac524", kill_on_drop: false }`
[INFO] [stdout] 587e04b4f4f891e368788a15648fbe3260444ce4cf856af33182e7a676eac524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e46bef37a7eade9b42067fb692766a2fa709242aa098705b0b2457203594beae
[INFO] running `Command { std: "docker" "start" "-a" "e46bef37a7eade9b42067fb692766a2fa709242aa098705b0b2457203594beae", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lexer::start_to_tokenize`
[INFO] [stdout]  --> src/eval.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::start_to_tokenize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Precedence`, `parse_exp`
[INFO] [stdout]  --> src/eval.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::parser::{parse_exp, Exp, Operator, Precedence};
[INFO] [stdout]   |                     ^^^^^^^^^                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `start_to_tokenize`
[INFO] [stdout]  --> src/parser.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::{start_to_tokenize, Token};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/parser.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn start_to_parse(tokens: &[Token]) {}
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/parser.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn start_to_parse(tokens: &[Token]) {}
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]  --> src/eval.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Int { val: i32 },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_exp`
[INFO] [stdout]  --> src/eval.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn eval_exp(exp: Exp) -> Value {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Plus,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Minus,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Asterisk`
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Asterisk,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Slash`
[INFO] [stdout]  --> src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Slash,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bang`
[INFO] [stdout]  --> src/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Bang,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equal`
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotEqual`
[INFO] [stdout]   --> src/parser.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     NotEqual,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/parser.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Int(i32),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/parser.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Var(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/parser.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Bool(bool),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]   --> src/parser.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     If {
[INFO] [stdout] 23 | |         cond_exp: Box<Exp>,
[INFO] [stdout] 24 | |         then_stmts: Vec<Statement>,
[INFO] [stdout] 25 | |         else_stmts: Vec<Statement>,
[INFO] [stdout] 26 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PrefixExp`
[INFO] [stdout]   --> src/parser.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     PrefixExp {
[INFO] [stdout] 28 | |         op: Operator,
[INFO] [stdout] 29 | |         right: Box<Exp>,
[INFO] [stdout] 30 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InfixExp`
[INFO] [stdout]   --> src/parser.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     InfixExp {
[INFO] [stdout] 32 | |         left: Box<Exp>,
[INFO] [stdout] 33 | |         op: Operator,
[INFO] [stdout] 34 | |         right: Box<Exp>,
[INFO] [stdout] 35 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/parser.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     Func {
[INFO] [stdout] 37 | |         params: Parameters,
[INFO] [stdout] 38 | |         body: Vec<Statement>,
[INFO] [stdout] 39 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FuncCall`
[INFO] [stdout]   --> src/parser.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     FuncCall {
[INFO] [stdout] 41 | |         funcName: Box<Exp>,
[INFO] [stdout] 42 | |         args: Arguments,
[INFO] [stdout] 43 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Let`
[INFO] [stdout]   --> src/parser.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Let { id: Exp, value: Exp },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExpStmt`
[INFO] [stdout]   --> src/parser.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ExpStmt { exp: Exp },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LOWEST`
[INFO] [stdout]   --> src/parser.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     LOWEST,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EQUALS`
[INFO] [stdout]   --> src/parser.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     EQUALS,      // ==
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LESSGREATER`
[INFO] [stdout]   --> src/parser.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     LESSGREATER, // > or <
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SUM`
[INFO] [stdout]   --> src/parser.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     SUM,         // +
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PRODUCT`
[INFO] [stdout]   --> src/parser.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     PRODUCT,     // *
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PREFIX`
[INFO] [stdout]   --> src/parser.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     PREFIX,      // -X or !X
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CALL`
[INFO] [stdout]   --> src/parser.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     CALL,        // my_cunction(x){}
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LBRACKET`
[INFO] [stdout]   --> src/parser.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     LBRACKET,    // []
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `start_to_parse`
[INFO] [stdout]   --> src/parser.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn start_to_parse(tokens: &[Token]) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_exp`
[INFO] [stdout]   --> src/parser.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn parse_exp(tokens: &[Token], p: Precedence) -> (Exp, &[Token]) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_exp_core`
[INFO] [stdout]   --> src/parser.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn parse_exp_core(tokens: &[Token], left: Exp, p: Precedence) -> (Exp, &[Token]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_grouped_exp`
[INFO] [stdout]    --> src/parser.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn parse_grouped_exp(tokens: &[Token]) -> (Exp, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convert_op_token`
[INFO] [stdout]    --> src/parser.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn convert_op_token(token: &Token) -> Operator {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_prefix_exp`
[INFO] [stdout]    --> src/parser.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn parse_prefix_exp(tokens: &[Token]) -> (Exp, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_precedence`
[INFO] [stdout]    --> src/parser.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn get_precedence(token: &Token) -> Precedence {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_infix_exp`
[INFO] [stdout]    --> src/parser.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn parse_infix_exp(tokens: &[Token], left: Exp) -> (Exp, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_let`
[INFO] [stdout]    --> src/parser.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn parse_let(tokens: &[Token]) -> (Statement, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_exp_statement`
[INFO] [stdout]    --> src/parser.rs:216:4
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn parse_exp_statement(tokens: &[Token]) -> (Statement, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_statement`
[INFO] [stdout]    --> src/parser.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn parse_statement(tokens: &[Token]) -> (Statement, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_block_statements`
[INFO] [stdout]    --> src/parser.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | fn parse_block_statements(tokens: &[Token], mut acm: Vec<Statement>) -> (Vec<Statement>, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_func`
[INFO] [stdout]    --> src/parser.rs:244:4
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn parse_func(tokens: &[Token]) -> (Exp, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_func_call`
[INFO] [stdout]    --> src/parser.rs:266:4
[INFO] [stdout]     |
[INFO] [stdout] 266 | fn parse_func_call(tokens: &[Token]) -> (Exp, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_params`
[INFO] [stdout]    --> src/parser.rs:286:4
[INFO] [stdout]     |
[INFO] [stdout] 286 | fn parse_params(tokens: &[Token], mut acm: Vec<Exp>) -> (Parameters, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_args`
[INFO] [stdout]    --> src/parser.rs:305:4
[INFO] [stdout]     |
[INFO] [stdout] 305 | fn parse_args(tokens: &[Token], mut acm: Vec<Exp>) -> (Arguments, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_if`
[INFO] [stdout]    --> src/parser.rs:324:4
[INFO] [stdout]     |
[INFO] [stdout] 324 | fn parse_if(tokens: &[Token]) -> (Exp, &[Token]) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `funcName` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         funcName: Box<Exp>,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `func_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LBRACKET`
[INFO] [stdout]   --> src/parser.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     LBRACKET,    // []
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `start_to_parse`
[INFO] [stdout]   --> src/parser.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn start_to_parse(tokens: &[Token]) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `funcName` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         funcName: Box<Exp>,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `func_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "e46bef37a7eade9b42067fb692766a2fa709242aa098705b0b2457203594beae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46bef37a7eade9b42067fb692766a2fa709242aa098705b0b2457203594beae", kill_on_drop: false }`
[INFO] [stdout] e46bef37a7eade9b42067fb692766a2fa709242aa098705b0b2457203594beae