[INFO] cloning repository https://github.com/smatsuodev/monkey-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smatsuodev/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmatsuodev%2Fmonkey-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmatsuodev%2Fmonkey-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 448f413c621eba00a01103bf4dd7d7dd1acceca0 [INFO] checking smatsuodev/monkey-rust against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmatsuodev%2Fmonkey-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smatsuodev/monkey-rust on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/smatsuodev/monkey-rust [INFO] finished tweaking git repo https://github.com/smatsuodev/monkey-rust [INFO] tweaked toml for git repo https://github.com/smatsuodev/monkey-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/smatsuodev/monkey-rust 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" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a5d1f7d39a1e746fd89db21982d0f6037fa3ebe8b8c07cfb6f6370e2633cae3 [INFO] running `Command { std: "docker" "start" "-a" "7a5d1f7d39a1e746fd89db21982d0f6037fa3ebe8b8c07cfb6f6370e2633cae3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a5d1f7d39a1e746fd89db21982d0f6037fa3ebe8b8c07cfb6f6370e2633cae3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a5d1f7d39a1e746fd89db21982d0f6037fa3ebe8b8c07cfb6f6370e2633cae3", kill_on_drop: false }` [INFO] [stdout] 7a5d1f7d39a1e746fd89db21982d0f6037fa3ebe8b8c07cfb6f6370e2633cae3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 97da6dbbc0bc2bd3c18339de33b025625ab3361c94ef5f227520241f3ed566d9 [INFO] running `Command { std: "docker" "start" "-a" "97da6dbbc0bc2bd3c18339de33b025625ab3361c94ef5f227520241f3ed566d9", kill_on_drop: false }` [INFO] [stderr] Checking monkey-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 77 | impl LetStatement { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 78 | pub fn new(token: Token, name: Identifier, value: Option) -> LetStatement { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:110:12 [INFO] [stdout] | [INFO] [stdout] 109 | impl ReturnStatement { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 110 | pub fn new(token: Token, return_value: Option) -> ReturnStatement { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:137:12 [INFO] [stdout] | [INFO] [stdout] 136 | impl ExpressionStatement { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 137 | pub fn new(token: Token, expression: Option) -> ExpressionStatement { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:163:12 [INFO] [stdout] | [INFO] [stdout] 162 | impl BlockStatement { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] 163 | pub fn new(token: Token, statements: Vec) -> BlockStatement { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:185:12 [INFO] [stdout] | [INFO] [stdout] 184 | impl Identifier { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 185 | pub fn new(token: Token, value: impl ToString) -> Identifier { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:210:12 [INFO] [stdout] | [INFO] [stdout] 209 | impl IntegerLiteral { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] 210 | pub fn new(token: Token, value: i64) -> IntegerLiteral { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:237:12 [INFO] [stdout] | [INFO] [stdout] 236 | impl PrefixExpression { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 237 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:274:12 [INFO] [stdout] | [INFO] [stdout] 273 | impl InfixExpression { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 274 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:306:12 [INFO] [stdout] | [INFO] [stdout] 305 | impl Boolean { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 306 | pub fn new(token: Token, value: bool) -> Boolean { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ast.rs:342:12 [INFO] [stdout] | [INFO] [stdout] 341 | impl IfExpression { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 342 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `PrefixParseFn` is never used [INFO] [stdout] --> src/parser.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | type PrefixParseFn<'a> = fn(&mut Parser<'a>) -> Option; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `InfixParseFn` is never used [INFO] [stdout] --> src/parser.rs:14:6 [INFO] [stdout] | [INFO] [stdout] 14 | type InfixParseFn<'a> = fn(&mut Parser<'a>, Option) -> Option; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/parser.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Parser<'a> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Precedence` is never used [INFO] [stdout] --> src/parser.rs:26:6 [INFO] [stdout] | [INFO] [stdout] 26 | enum Precedence { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/parser.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 36 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 37 | pub fn new(l: &'a mut Lexer) -> Parser<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | fn get_precedence(k: TokenKind) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | fn peek_precedence(&self) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | fn cur_precedence(&self) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | fn register_prefix(&mut self, k: TokenKind, f: PrefixParseFn<'a>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn register_infix(&mut self, k: TokenKind, f: InfixParseFn<'a>) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | fn no_prefix_parse_fn_error(&mut self, k: TokenKind) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn errors(&self) -> &Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn peek_error(&mut self, k: TokenKind) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | fn next_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 119 | fn cur_token_is(&self, k: TokenKind) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 123 | pub fn peek_token_is(&self, k: TokenKind) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 127 | fn expect_peek(&mut self, k: TokenKind) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | pub fn parse_program(&mut self) -> Program { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 150 | fn parse_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 158 | fn parse_let_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | fn parse_return_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 198 | fn parse_expression_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 211 | fn parse_expression(&mut self, precedence: Precedence) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 235 | fn parse_identifier(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 239 | fn parse_integer_literal(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 250 | fn parse_boolean(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 254 | fn parse_prefix_expression(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 265 | fn parse_infix_expression(&mut self, left: Option) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 277 | fn parse_grouped_expression(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 289 | fn parse_if_expression(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 323 | fn parse_block_statement(&mut self) -> BlockStatement { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Call` is never constructed [INFO] [stdout] --> src/parser.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 26 | enum Precedence { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 33 | Call, // myFunction(X) [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "97da6dbbc0bc2bd3c18339de33b025625ab3361c94ef5f227520241f3ed566d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97da6dbbc0bc2bd3c18339de33b025625ab3361c94ef5f227520241f3ed566d9", kill_on_drop: false }` [INFO] [stdout] 97da6dbbc0bc2bd3c18339de33b025625ab3361c94ef5f227520241f3ed566d9