[INFO] cloning repository https://github.com/shnmorimoto/rmonkey [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shnmorimoto/rmonkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshnmorimoto%2Frmonkey", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshnmorimoto%2Frmonkey'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0dd210bcf83732ae99196e23cc0957d2e75dcc9a [INFO] testing shnmorimoto/rmonkey against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshnmorimoto%2Frmonkey" "/workspace/builds/worker-20/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shnmorimoto/rmonkey on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shnmorimoto/rmonkey [INFO] finished tweaking git repo https://github.com/shnmorimoto/rmonkey [INFO] tweaked toml for git repo https://github.com/shnmorimoto/rmonkey written to /workspace/builds/worker-20/source/Cargo.toml [INFO] crate git repo https://github.com/shnmorimoto/rmonkey already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 150ec637e92acef6f86ed662b501cc7536842f64332b00e5a9e90f9f0fdb6c6b [INFO] running `Command { std: "docker" "start" "-a" "150ec637e92acef6f86ed662b501cc7536842f64332b00e5a9e90f9f0fdb6c6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "150ec637e92acef6f86ed662b501cc7536842f64332b00e5a9e90f9f0fdb6c6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "150ec637e92acef6f86ed662b501cc7536842f64332b00e5a9e90f9f0fdb6c6b", kill_on_drop: false }` [INFO] [stdout] 150ec637e92acef6f86ed662b501cc7536842f64332b00e5a9e90f9f0fdb6c6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 434214ebe0fe4a5d771f314cb0705bdb2a045ae87dede058b88f6cf2cdb56324 [INFO] running `Command { std: "docker" "start" "-a" "434214ebe0fe4a5d771f314cb0705bdb2a045ae87dede058b88f6cf2cdb56324", kill_on_drop: false }` [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling rmonkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/parser.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:247:13 [INFO] [stdout] | [INFO] [stdout] 247 | let mut statements: Vec = vec![]; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Let` [INFO] [stdout] --> src/ast.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | / Let { [INFO] [stdout] 6 | | identifier: Ident, [INFO] [stdout] 7 | | expression: Expression, [INFO] [stdout] 8 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Return` [INFO] [stdout] --> src/ast.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | / Return { [INFO] [stdout] 10 | | return_value: Expression, [INFO] [stdout] 11 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Expression` [INFO] [stdout] --> src/ast.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | / Expression { [INFO] [stdout] 13 | | expression: Expression, [INFO] [stdout] 14 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Identifier` [INFO] [stdout] --> src/ast.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | Identifier(Ident), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/ast.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | #[derive(Debug, PartialEq, Eq, Hash, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `IntegerLiteral` [INFO] [stdout] --> src/ast.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | IntegerLiteral(i64), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/ast.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | #[derive(Debug, PartialEq, Eq, Hash, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `PrefixExpression` [INFO] [stdout] --> src/ast.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | / PrefixExpression { [INFO] [stdout] 37 | | operator: String, [INFO] [stdout] 38 | | right: Box, [INFO] [stdout] 39 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/ast.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | #[derive(Debug, PartialEq, Eq, Hash, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `InfixExpression` [INFO] [stdout] --> src/ast.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | / InfixExpression { [INFO] [stdout] 41 | | left: Box, [INFO] [stdout] 42 | | operator: String, [INFO] [stdout] 43 | | right: Box, [INFO] [stdout] 44 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/ast.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | #[derive(Debug, PartialEq, Eq, Hash, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Boolean` [INFO] [stdout] --> src/ast.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | Boolean(bool), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/ast.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | #[derive(Debug, PartialEq, Eq, Hash, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/ast.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn new(s: impl Into) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/ast.rs:88:12 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn new(statements: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LOWEST` [INFO] [stdout] --> src/parser.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | LOWEST, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/parser.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(PartialEq, PartialOrd, Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `EQUALS` [INFO] [stdout] --> src/parser.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | EQUALS, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/parser.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(PartialEq, PartialOrd, Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LESSGRATER` [INFO] [stdout] --> src/parser.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | LESSGRATER, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/parser.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(PartialEq, PartialOrd, Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SUM` [INFO] [stdout] --> src/parser.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | SUM, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/parser.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(PartialEq, PartialOrd, Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `PRDOCUT` [INFO] [stdout] --> src/parser.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | PRDOCUT, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/parser.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(PartialEq, PartialOrd, Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `PREFIX` [INFO] [stdout] --> src/parser.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | PREFIX, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/parser.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(PartialEq, PartialOrd, Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CALL` [INFO] [stdout] --> src/parser.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | CALL, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/parser.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(PartialEq, PartialOrd, Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_precedence` [INFO] [stdout] --> src/parser.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn get_precedence(token: TokenType) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Parser` [INFO] [stdout] --> src/parser.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/parser.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | fn new(mut lexer: Lexer) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_precedence` [INFO] [stdout] --> src/parser.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | fn peek_precedence(&self) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cur_precedence` [INFO] [stdout] --> src/parser.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn cur_precedence(&self) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_error` [INFO] [stdout] --> src/parser.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | fn peek_error(&mut self, t: TokenType) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_token` [INFO] [stdout] --> src/parser.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | fn next_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_statement` [INFO] [stdout] --> src/parser.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | fn parse_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_let_statement` [INFO] [stdout] --> src/parser.rs:89:8 [INFO] [stdout] | [INFO] [stdout] 89 | fn parse_let_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_return_statement` [INFO] [stdout] --> src/parser.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 109 | fn parse_return_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_expression_statement` [INFO] [stdout] --> src/parser.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn parse_expression_statement(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_expression` [INFO] [stdout] --> src/parser.rs:134:8 [INFO] [stdout] | [INFO] [stdout] 134 | fn parse_expression(&mut self, precdence: Precedence) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_grouped_expression` [INFO] [stdout] --> src/parser.rs:178:8 [INFO] [stdout] | [INFO] [stdout] 178 | fn parse_grouped_expression(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_boolean` [INFO] [stdout] --> src/parser.rs:187:8 [INFO] [stdout] | [INFO] [stdout] 187 | fn parse_boolean(&self) -> Expression { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_infix_expression` [INFO] [stdout] --> src/parser.rs:191:8 [INFO] [stdout] | [INFO] [stdout] 191 | fn parse_infix_expression(&mut self, left: &Expression) -> Expression { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `no_prefix_parse_error` [INFO] [stdout] --> src/parser.rs:203:8 [INFO] [stdout] | [INFO] [stdout] 203 | fn no_prefix_parse_error(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_prefix_expression` [INFO] [stdout] --> src/parser.rs:211:8 [INFO] [stdout] | [INFO] [stdout] 211 | fn parse_prefix_expression(&mut self) -> Expression { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_identifier` [INFO] [stdout] --> src/parser.rs:220:8 [INFO] [stdout] | [INFO] [stdout] 220 | fn parse_identifier(&self) -> Expression { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_integer_literal` [INFO] [stdout] --> src/parser.rs:224:8 [INFO] [stdout] | [INFO] [stdout] 224 | fn parse_integer_literal(&self) -> Expression { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cur_token_is` [INFO] [stdout] --> src/parser.rs:228:8 [INFO] [stdout] | [INFO] [stdout] 228 | fn cur_token_is(&self, t: TokenType) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_token_is` [INFO] [stdout] --> src/parser.rs:232:8 [INFO] [stdout] | [INFO] [stdout] 232 | fn peek_token_is(&self, t: TokenType) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `expect_peek` [INFO] [stdout] --> src/parser.rs:236:8 [INFO] [stdout] | [INFO] [stdout] 236 | fn expect_peek(&mut self, t: TokenType) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parser_program` [INFO] [stdout] --> src/parser.rs:246:8 [INFO] [stdout] | [INFO] [stdout] 246 | fn parser_program(&mut self) -> Program { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 42 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.47s [INFO] running `Command { std: "docker" "inspect" "434214ebe0fe4a5d771f314cb0705bdb2a045ae87dede058b88f6cf2cdb56324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "434214ebe0fe4a5d771f314cb0705bdb2a045ae87dede058b88f6cf2cdb56324", kill_on_drop: false }` [INFO] [stdout] 434214ebe0fe4a5d771f314cb0705bdb2a045ae87dede058b88f6cf2cdb56324 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d030c223769fc8a423bce870ee25252a93c4b8e30dacb0a24c093bb83daa335 [INFO] running `Command { std: "docker" "start" "-a" "6d030c223769fc8a423bce870ee25252a93c4b8e30dacb0a24c093bb83daa335", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rmonkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:247:13 [INFO] [stdout] | [INFO] [stdout] 247 | let mut statements: Vec = vec![]; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CALL` [INFO] [stdout] --> src/parser.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | CALL, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/parser.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(PartialEq, PartialOrd, Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Str` [INFO] [stdout] --> src/parser.rs:267:9 [INFO] [stdout] | [INFO] [stdout] 267 | Str(String), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `TestValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/parser.rs:264:14 [INFO] [stdout] | [INFO] [stdout] 264 | #[derive(Debug, PartialEq, Eq, Hash, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.92s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rmonkey-f6205ed1ef7a2644) [INFO] running `Command { std: "docker" "inspect" "6d030c223769fc8a423bce870ee25252a93c4b8e30dacb0a24c093bb83daa335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d030c223769fc8a423bce870ee25252a93c4b8e30dacb0a24c093bb83daa335", kill_on_drop: false }` [INFO] [stdout] 6d030c223769fc8a423bce870ee25252a93c4b8e30dacb0a24c093bb83daa335 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7ccbf238161939df6a3d7a98acf587d5c6a5e23c06d3faccd4c55b8ec4180829 [INFO] running `Command { std: "docker" "start" "-a" "7ccbf238161939df6a3d7a98acf587d5c6a5e23c06d3faccd4c55b8ec4180829", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:247:13 [INFO] [stderr] | [INFO] [stderr] 247 | let mut statements: Vec = vec![]; [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CALL` [INFO] [stderr] --> src/parser.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | CALL, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/parser.rs:6:33 [INFO] [stderr] | [INFO] [stderr] 6 | #[derive(PartialEq, PartialOrd, Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Str` [INFO] [stderr] --> src/parser.rs:267:9 [INFO] [stderr] | [INFO] [stderr] 267 | Str(String), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `TestValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/parser.rs:264:14 [INFO] [stderr] | [INFO] [stderr] 264 | #[derive(Debug, PartialEq, Eq, Hash, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `rmonkey` (bin "rmonkey" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rmonkey-f6205ed1ef7a2644) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test ast::test::test_string ... ok [INFO] [stdout] test parser::test::test_boolean_expression ... ok [INFO] [stdout] test parser::test::test_identifier_expression ... ok [INFO] [stdout] test parser::test::test_integer_literal ... ok [INFO] [stdout] test parser::test::test_let_statements ... ok [INFO] [stdout] test parser::test::test_parsing_prefix_expression ... ok [INFO] [stdout] test parser::test::test_parsing_infix_expressions ... ok [INFO] [stdout] test parser::test::test_return_statements ... ok [INFO] [stdout] test parser::test::test_operator_precedence_parsing ... ok [INFO] [stdout] test lexer::tests::test_lexer ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7ccbf238161939df6a3d7a98acf587d5c6a5e23c06d3faccd4c55b8ec4180829", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ccbf238161939df6a3d7a98acf587d5c6a5e23c06d3faccd4c55b8ec4180829", kill_on_drop: false }` [INFO] [stdout] 7ccbf238161939df6a3d7a98acf587d5c6a5e23c06d3faccd4c55b8ec4180829