[INFO] updating cached repository https://github.com/dsnam/molva
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3a1e1db900b38d8c26cb99f6b58af8579de8aba
[INFO] checking dsnam/molva against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsnam%2Fmolva" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dsnam/molva on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dsnam/molva
[INFO] finished tweaking git repo https://github.com/dsnam/molva
[INFO] tweaked toml for git repo https://github.com/dsnam/molva written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dsnam/molva already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88b18b463e0dbd2496d86f7163ee1f93b174d84330329e1c982e665f291df0b4
[INFO] running `"docker" "start" "-a" "88b18b463e0dbd2496d86f7163ee1f93b174d84330329e1c982e665f291df0b4"`
[INFO] [stderr]     Checking molva v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `parser::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use parser::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parser::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use parser::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/parser.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             token => {
[INFO] [stderr]     |             ----- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 186 |             _ => Err(Self::wrap_error(
[INFO] [stderr]     |             ^ unreachable pattern
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/parser.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             token => {
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/parser.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn expect(&mut self, token: Token) -> Result<(), ParserError> {
[INFO] [stderr]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/parser.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             token => {
[INFO] [stderr]     |             ----- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 186 |             _ => Err(Self::wrap_error(
[INFO] [stderr]     |             ^ unreachable pattern
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/parser.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             token => {
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/parser.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn expect(&mut self, token: Token) -> Result<(), ParserError> {
[INFO] [stderr]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Invoke`
[INFO] [stderr]  --> src/parser.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | /     Invoke {
[INFO] [stderr] 7 | |         fn_name: String,
[INFO] [stderr] 8 | |         args: Vec<Expr>,
[INFO] [stderr] 9 | |     },
[INFO] [stderr]   | |_____^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Boolean`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     Boolean {
[INFO] [stderr] 12 | |         operator: String,
[INFO] [stderr] 13 | |         left: Box<Expr>,
[INFO] [stderr] 14 | |         right: Box<Expr>,
[INFO] [stderr] 15 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Conditional`
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     Conditional {
[INFO] [stderr] 18 | |         condition: Box<Expr>,
[INFO] [stderr] 19 | |         consequent: Box<Expr>,
[INFO] [stderr] 20 | |         alternative: Box<Expr>,
[INFO] [stderr] 21 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/parser.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Float(f64),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `StringLiteral`
[INFO] [stderr]   --> src/parser.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     StringLiteral(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/parser.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Int(i32),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BoolTrue`
[INFO] [stderr]   --> src/parser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     BoolTrue,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BoolFalse`
[INFO] [stderr]   --> src/parser.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     BoolFalse,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/parser.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Identifier(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Statement`
[INFO] [stderr]   --> src/parser.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub enum Statement {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TypeName`
[INFO] [stderr]   --> src/parser.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     TypeName(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FnSignature`
[INFO] [stderr]   --> src/parser.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 | /     FnSignature {
[INFO] [stderr] 74 | |         args: Option<Vec<TypedIdentifier>>,
[INFO] [stderr] 75 | |         return_type: Option<Box<TypeDesc>>,
[INFO] [stderr] 76 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parser.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn new(error_msg: String, line: usize, col: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]    --> src/parser.rs:102:12
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub struct Parser {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn new(input: Vec<TokenInfo>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current`
[INFO] [stderr]    --> src/parser.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn current(&self) -> Result<TokenInfo, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `curr`
[INFO] [stderr]    --> src/parser.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn curr(&self) -> Token {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at_end`
[INFO] [stderr]    --> src/parser.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn at_end(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `advance`
[INFO] [stderr]    --> src/parser.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn advance(&mut self) -> Result<(), ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next`
[INFO] [stderr]    --> src/parser.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn next(&self) -> Token {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `wrap_error`
[INFO] [stderr]    --> src/parser.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn wrap_error(error_msg: String, line: usize, col: usize) -> ParserError {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/parser.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn parse(&mut self) -> Result<Function, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect`
[INFO] [stderr]    --> src/parser.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn expect(&mut self, token: Token) -> Result<(), ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_function`
[INFO] [stderr]    --> src/parser.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn parse_function(&mut self) -> Result<Function, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_parenthesized_args`
[INFO] [stderr]    --> src/parser.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn parse_parenthesized_args(&mut self) -> Result<Option<Vec<TypedIdentifier>>, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_prototype`
[INFO] [stderr]    --> src/parser.rs:244:5
[INFO] [stderr]     |
[INFO] [stderr] 244 |     fn parse_prototype(&mut self) -> Result<Prototype, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_operator_def`
[INFO] [stderr]    --> src/parser.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     fn parse_operator_def(&mut self) -> Result<Function, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_expr`
[INFO] [stderr]    --> src/parser.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn parse_expr(&mut self) -> Result<Expr, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_identifier`
[INFO] [stderr]    --> src/parser.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 276 |     fn parse_identifier(&mut self) -> Result<String, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_type_desc`
[INFO] [stderr]    --> src/parser.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 |     fn parse_type_desc(&mut self) -> Result<TypeDesc, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_typed_identifier`
[INFO] [stderr]    --> src/parser.rs:311:5
[INFO] [stderr]     |
[INFO] [stderr] 311 |     fn parse_typed_identifier(&mut self) -> Result<TypedIdentifier, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_literal`
[INFO] [stderr]    --> src/parser.rs:318:5
[INFO] [stderr]     |
[INFO] [stderr] 318 |     fn parse_literal(&mut self) -> Result<Expr, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:183:17
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         self.expect(LeftCurlBracket);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         self.expect(RightCurlBracket);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.expect(LeftParen);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:221:25
[INFO] [stderr]     |
[INFO] [stderr] 221 |                         self.advance();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:225:25
[INFO] [stderr]     |
[INFO] [stderr] 225 |                         self.advance();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         self.expect(Fn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:253:13
[INFO] [stderr]     |
[INFO] [stderr] 253 |             self.expect(Minus);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 |             self.expect(RightAngBracket);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:293:17
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:298:17
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 self.expect(Minus);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:299:17
[INFO] [stderr]     |
[INFO] [stderr] 299 |                 self.expect(RightAngBracket);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         self.expect(Colon);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:321:17
[INFO] [stderr]     |
[INFO] [stderr] 321 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:325:17
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:329:17
[INFO] [stderr]     |
[INFO] [stderr] 329 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:333:17
[INFO] [stderr]     |
[INFO] [stderr] 333 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:337:17
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Invoke`
[INFO] [stderr]  --> src/parser.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | /     Invoke {
[INFO] [stderr] 7 | |         fn_name: String,
[INFO] [stderr] 8 | |         args: Vec<Expr>,
[INFO] [stderr] 9 | |     },
[INFO] [stderr]   | |_____^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Boolean`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     Boolean {
[INFO] [stderr] 12 | |         operator: String,
[INFO] [stderr] 13 | |         left: Box<Expr>,
[INFO] [stderr] 14 | |         right: Box<Expr>,
[INFO] [stderr] 15 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Conditional`
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     Conditional {
[INFO] [stderr] 18 | |         condition: Box<Expr>,
[INFO] [stderr] 19 | |         consequent: Box<Expr>,
[INFO] [stderr] 20 | |         alternative: Box<Expr>,
[INFO] [stderr] 21 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/parser.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Float(f64),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `StringLiteral`
[INFO] [stderr]   --> src/parser.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     StringLiteral(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/parser.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Int(i32),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BoolTrue`
[INFO] [stderr]   --> src/parser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     BoolTrue,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BoolFalse`
[INFO] [stderr]   --> src/parser.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     BoolFalse,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/parser.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Identifier(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Statement`
[INFO] [stderr]   --> src/parser.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub enum Statement {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/parser.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn parse(&mut self) -> Result<Function, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_function`
[INFO] [stderr]    --> src/parser.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn parse_function(&mut self) -> Result<Function, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_operator_def`
[INFO] [stderr]    --> src/parser.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     fn parse_operator_def(&mut self) -> Result<Function, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_expr`
[INFO] [stderr]    --> src/parser.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn parse_expr(&mut self) -> Result<Expr, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_literal`
[INFO] [stderr]    --> src/parser.rs:318:5
[INFO] [stderr]     |
[INFO] [stderr] 318 |     fn parse_literal(&mut self) -> Result<Expr, ParserError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 55 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:183:17
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         self.expect(LeftCurlBracket);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         self.expect(RightCurlBracket);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.expect(LeftParen);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:221:25
[INFO] [stderr]     |
[INFO] [stderr] 221 |                         self.advance();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:225:25
[INFO] [stderr]     |
[INFO] [stderr] 225 |                         self.advance();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         self.expect(Fn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:253:13
[INFO] [stderr]     |
[INFO] [stderr] 253 |             self.expect(Minus);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 |             self.expect(RightAngBracket);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:293:17
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:298:17
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 self.expect(Minus);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:299:17
[INFO] [stderr]     |
[INFO] [stderr] 299 |                 self.expect(RightAngBracket);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         self.expect(Colon);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:321:17
[INFO] [stderr]     |
[INFO] [stderr] 321 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:325:17
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:329:17
[INFO] [stderr]     |
[INFO] [stderr] 329 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:333:17
[INFO] [stderr]     |
[INFO] [stderr] 333 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:337:17
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 self.advance();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "88b18b463e0dbd2496d86f7163ee1f93b174d84330329e1c982e665f291df0b4"`
[INFO] running `"docker" "rm" "-f" "88b18b463e0dbd2496d86f7163ee1f93b174d84330329e1c982e665f291df0b4"`
[INFO] [stdout] 88b18b463e0dbd2496d86f7163ee1f93b174d84330329e1c982e665f291df0b4