[INFO] cloning repository https://github.com/johnshiver/rust-monkey [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnshiver/rust-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnshiver%2Frust-monkey", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnshiver%2Frust-monkey'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e808e67fa1832135dae20bf8e3c9b1184d8a6fb9 [INFO] testing johnshiver/rust-monkey against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnshiver%2Frust-monkey" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/johnshiver/rust-monkey on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/johnshiver/rust-monkey [INFO] finished tweaking git repo https://github.com/johnshiver/rust-monkey [INFO] tweaked toml for git repo https://github.com/johnshiver/rust-monkey written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/johnshiver/rust-monkey already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f541bd2a15dd47d94ffed7e8ba64b572fe7fd49d1c3f31edc74c8cf9439227b8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f541bd2a15dd47d94ffed7e8ba64b572fe7fd49d1c3f31edc74c8cf9439227b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f541bd2a15dd47d94ffed7e8ba64b572fe7fd49d1c3f31edc74c8cf9439227b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f541bd2a15dd47d94ffed7e8ba64b572fe7fd49d1c3f31edc74c8cf9439227b8", kill_on_drop: false }` [INFO] [stdout] f541bd2a15dd47d94ffed7e8ba64b572fe7fd49d1c3f31edc74c8cf9439227b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6bcdf3b362888d76adce34aca698cabbc79d20ffa53e052a9751eef997efbfac [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6bcdf3b362888d76adce34aca698cabbc79d20ffa53e052a9751eef997efbfac", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Assign`, `If`, `Rparen` [INFO] [stdout] --> src/parser.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::token::Token::{Assign, Eof, If, Rparen}; [INFO] [stdout] | ^^^^^^ ^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ident` [INFO] [stdout] --> src/parser.rs:11:30 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::ast::Expression::{Ident, IfStatement}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ast::Node` [INFO] [stdout] --> src/repl.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::ast::Node; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::token::Token::Eof` [INFO] [stdout] --> src/repl.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::token::Token::Eof; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::write_bytes` [INFO] [stdout] --> src/token.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ptr::write_bytes; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lexer.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | _ => Token::Illegal, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Statement` [INFO] [stdout] --> src/ast.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Statement(Box), // do we need both? [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Expression` [INFO] [stdout] --> src/ast.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Expression(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `BlockStatement` [INFO] [stdout] --> src/ast.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | BlockStatement(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_from_token` [INFO] [stdout] --> src/ast.rs:132:12 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn new_from_token(token: Token) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/ast.rs:148:12 [INFO] [stdout] | [INFO] [stdout] 148 | pub fn new(value: Token) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `ObjectType` [INFO] [stdout] --> src/object.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | type ObjectType = &'static str; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `INTEGER_OBJ` [INFO] [stdout] --> src/object.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | const INTEGER_OBJ: ObjectType = "INTEGER"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `BOOLEAN_OBJ` [INFO] [stdout] --> src/object.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | const BOOLEAN_OBJ: ObjectType = "BOOLEAN"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `NULL_OBJ` [INFO] [stdout] --> src/object.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | const NULL_OBJ: ObjectType = "NULL"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `Type` [INFO] [stdout] --> src/object.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn Type(&self) -> ObjectType { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `ParseErrors` [INFO] [stdout] --> src/parser.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | type ParseErrors = Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `ParseResult` [INFO] [stdout] --> src/parser.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | pub type ParseResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `PrefixFn` [INFO] [stdout] --> src/parser.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | type PrefixFn = fn(parser: &mut Parser<'_>) -> ParseResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `InfixFn` [INFO] [stdout] --> src/parser.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | type InfixFn = fn(parser: &mut Parser<'_>, left: Expression) -> ParseResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_parser_errors` [INFO] [stdout] --> src/repl.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn print_parser_errors() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `String` [INFO] [stdout] --> src/token.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | String(String), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | write!(f, "{}", statement); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | write!(f, "let {} =", self.name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | write!(f, "return "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:200:9 [INFO] [stdout] | [INFO] [stdout] 200 | write!(f, "("); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | write!(f, "{}", self.left); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:202:9 [INFO] [stdout] | [INFO] [stdout] 202 | write!(f, " {} ", self.operator); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:203:9 [INFO] [stdout] | [INFO] [stdout] 203 | write!(f, "{}", self.right); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:233:9 [INFO] [stdout] | [INFO] [stdout] 233 | write!(f, "if"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:234:9 [INFO] [stdout] | [INFO] [stdout] 234 | write!(f, "{}", self.condition.to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | write!(f, " "); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | write!(f, "{}", self.consequence.to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:239:17 [INFO] [stdout] | [INFO] [stdout] 239 | write!(f, "{}", stmt.to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:261:13 [INFO] [stdout] | [INFO] [stdout] 261 | write!(f, "{}", s); // TODO: maybe writeln makes more sense [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:291:9 [INFO] [stdout] | [INFO] [stdout] 291 | write!(f, "{}", self.token); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:292:9 [INFO] [stdout] | [INFO] [stdout] 292 | write!(f, "("); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:293:9 [INFO] [stdout] | [INFO] [stdout] 293 | write!(f, "{}", param_strs.join(", ")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:294:9 [INFO] [stdout] | [INFO] [stdout] 294 | write!(f, ") "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:323:9 [INFO] [stdout] | [INFO] [stdout] 323 | write!(f, "{}", self.function); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:324:9 [INFO] [stdout] | [INFO] [stdout] 324 | write!(f, "("); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 325 | write!(f, "{}", arg_strs.join(", ")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Eval` should have a snake case name [INFO] [stdout] --> src/eval.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn Eval(node: Node) -> EvalResult { [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `eval` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `Inspect` should have a snake case name [INFO] [stdout] --> src/object.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn Inspect(&self) -> String { [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `inspect` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `Type` should have a snake case name [INFO] [stdout] --> src/object.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn Type(&self) -> ObjectType { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier [INFO] [stdout] | [INFO] [stdout] 23 | pub fn r#type(&self) -> ObjectType { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | writer.write(b">> "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | reader.read_line(&mut line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 48 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "6bcdf3b362888d76adce34aca698cabbc79d20ffa53e052a9751eef997efbfac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bcdf3b362888d76adce34aca698cabbc79d20ffa53e052a9751eef997efbfac", kill_on_drop: false }` [INFO] [stdout] 6bcdf3b362888d76adce34aca698cabbc79d20ffa53e052a9751eef997efbfac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c812aa12907519595be09cf83eb50d2a49bfb86ac5f0d0a0b615a402bddbc403 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c812aa12907519595be09cf83eb50d2a49bfb86ac5f0d0a0b615a402bddbc403", kill_on_drop: false }` [INFO] [stderr] Compiling monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::ast::Node` [INFO] [stdout] --> src/eval.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | use crate::ast::Node; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Assign`, `If`, `Rparen` [INFO] [stdout] --> src/parser.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::token::Token::{Assign, Eof, If, Rparen}; [INFO] [stdout] | ^^^^^^ ^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ident` [INFO] [stdout] --> src/parser.rs:11:30 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::ast::Expression::{Ident, IfStatement}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ast::Node` [INFO] [stdout] --> src/repl.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::ast::Node; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::token::Token::Eof` [INFO] [stdout] --> src/repl.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::token::Token::Eof; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::write_bytes` [INFO] [stdout] --> src/token.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ptr::write_bytes; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lexer.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | _ => Token::Illegal, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> src/parser.rs:513:13 [INFO] [stdout] | [INFO] [stdout] 513 | let p = test_setup(input); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Statement` [INFO] [stdout] --> src/ast.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Statement(Box), // do we need both? [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Expression` [INFO] [stdout] --> src/ast.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Expression(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `BlockStatement` [INFO] [stdout] --> src/ast.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | BlockStatement(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_from_token` [INFO] [stdout] --> src/ast.rs:132:12 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn new_from_token(token: Token) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/ast.rs:148:12 [INFO] [stdout] | [INFO] [stdout] 148 | pub fn new(value: Token) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `ObjectType` [INFO] [stdout] --> src/object.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | type ObjectType = &'static str; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `INTEGER_OBJ` [INFO] [stdout] --> src/object.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | const INTEGER_OBJ: ObjectType = "INTEGER"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `BOOLEAN_OBJ` [INFO] [stdout] --> src/object.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | const BOOLEAN_OBJ: ObjectType = "BOOLEAN"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `NULL_OBJ` [INFO] [stdout] --> src/object.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | const NULL_OBJ: ObjectType = "NULL"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `Type` [INFO] [stdout] --> src/object.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn Type(&self) -> ObjectType { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `ParseErrors` [INFO] [stdout] --> src/parser.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | type ParseErrors = Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `ParseResult` [INFO] [stdout] --> src/parser.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | pub type ParseResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `PrefixFn` [INFO] [stdout] --> src/parser.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | type PrefixFn = fn(parser: &mut Parser<'_>) -> ParseResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `InfixFn` [INFO] [stdout] --> src/parser.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | type InfixFn = fn(parser: &mut Parser<'_>, left: Expression) -> ParseResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_parser_errors` [INFO] [stdout] --> src/repl.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn print_parser_errors() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `String` [INFO] [stdout] --> src/token.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | String(String), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | write!(f, "{}", statement); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | write!(f, "let {} =", self.name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | write!(f, "return "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:200:9 [INFO] [stdout] | [INFO] [stdout] 200 | write!(f, "("); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | write!(f, "{}", self.left); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:202:9 [INFO] [stdout] | [INFO] [stdout] 202 | write!(f, " {} ", self.operator); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:203:9 [INFO] [stdout] | [INFO] [stdout] 203 | write!(f, "{}", self.right); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:233:9 [INFO] [stdout] | [INFO] [stdout] 233 | write!(f, "if"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:234:9 [INFO] [stdout] | [INFO] [stdout] 234 | write!(f, "{}", self.condition.to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | write!(f, " "); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | write!(f, "{}", self.consequence.to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:239:17 [INFO] [stdout] | [INFO] [stdout] 239 | write!(f, "{}", stmt.to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:261:13 [INFO] [stdout] | [INFO] [stdout] 261 | write!(f, "{}", s); // TODO: maybe writeln makes more sense [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:291:9 [INFO] [stdout] | [INFO] [stdout] 291 | write!(f, "{}", self.token); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:292:9 [INFO] [stdout] | [INFO] [stdout] 292 | write!(f, "("); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:293:9 [INFO] [stdout] | [INFO] [stdout] 293 | write!(f, "{}", param_strs.join(", ")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:294:9 [INFO] [stdout] | [INFO] [stdout] 294 | write!(f, ") "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:323:9 [INFO] [stdout] | [INFO] [stdout] 323 | write!(f, "{}", self.function); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:324:9 [INFO] [stdout] | [INFO] [stdout] 324 | write!(f, "("); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ast.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 325 | write!(f, "{}", arg_strs.join(", ")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Eval` should have a snake case name [INFO] [stdout] --> src/eval.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn Eval(node: Node) -> EvalResult { [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `eval` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `Inspect` should have a snake case name [INFO] [stdout] --> src/object.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn Inspect(&self) -> String { [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `inspect` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `Type` should have a snake case name [INFO] [stdout] --> src/object.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn Type(&self) -> ObjectType { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier [INFO] [stdout] | [INFO] [stdout] 23 | pub fn r#type(&self) -> ObjectType { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | writer.write(b">> "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/repl.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | reader.read_line(&mut line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 50 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.22s [INFO] running `Command { std: "docker" "inspect" "c812aa12907519595be09cf83eb50d2a49bfb86ac5f0d0a0b615a402bddbc403", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c812aa12907519595be09cf83eb50d2a49bfb86ac5f0d0a0b615a402bddbc403", kill_on_drop: false }` [INFO] [stdout] c812aa12907519595be09cf83eb50d2a49bfb86ac5f0d0a0b615a402bddbc403 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ebe43893928eb150ade5e04f2912269faeb0a10b2340f8047f2f13fe258ba211 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ebe43893928eb150ade5e04f2912269faeb0a10b2340f8047f2f13fe258ba211", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `crate::ast::Node` [INFO] [stderr] --> src/eval.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | use crate::ast::Node; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Assign`, `If`, `Rparen` [INFO] [stderr] --> src/parser.rs:8:27 [INFO] [stderr] | [INFO] [stderr] 8 | use crate::token::Token::{Assign, Eof, If, Rparen}; [INFO] [stderr] | ^^^^^^ ^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Ident` [INFO] [stderr] --> src/parser.rs:11:30 [INFO] [stderr] | [INFO] [stderr] 11 | use crate::ast::Expression::{Ident, IfStatement}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::ast::Node` [INFO] [stderr] --> src/repl.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::ast::Node; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::token::Token::Eof` [INFO] [stderr] --> src/repl.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::token::Token::Eof; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ptr::write_bytes` [INFO] [stderr] --> src/token.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::ptr::write_bytes; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/lexer.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 59 | _ => Token::Illegal, [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/parser.rs:513:13 [INFO] [stderr] | [INFO] [stderr] 513 | let p = test_setup(input); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Statement` [INFO] [stderr] --> src/ast.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | Statement(Box), // do we need both? [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Expression` [INFO] [stderr] --> src/ast.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Expression(Box), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `BlockStatement` [INFO] [stderr] --> src/ast.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | BlockStatement(Box), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new_from_token` [INFO] [stderr] --> src/ast.rs:132:12 [INFO] [stderr] | [INFO] [stderr] 132 | pub fn new_from_token(token: Token) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/ast.rs:148:12 [INFO] [stderr] | [INFO] [stderr] 148 | pub fn new(value: Token) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `ObjectType` [INFO] [stderr] --> src/object.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | type ObjectType = &'static str; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `INTEGER_OBJ` [INFO] [stderr] --> src/object.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | const INTEGER_OBJ: ObjectType = "INTEGER"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `BOOLEAN_OBJ` [INFO] [stderr] --> src/object.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | const BOOLEAN_OBJ: ObjectType = "BOOLEAN"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `NULL_OBJ` [INFO] [stderr] --> src/object.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | const NULL_OBJ: ObjectType = "NULL"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `Type` [INFO] [stderr] --> src/object.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn Type(&self) -> ObjectType { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `ParseErrors` [INFO] [stderr] --> src/parser.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | type ParseErrors = Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `ParseResult` [INFO] [stderr] --> src/parser.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | pub type ParseResult = Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `PrefixFn` [INFO] [stderr] --> src/parser.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | type PrefixFn = fn(parser: &mut Parser<'_>) -> ParseResult; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `InfixFn` [INFO] [stderr] --> src/parser.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | type InfixFn = fn(parser: &mut Parser<'_>, left: Expression) -> ParseResult; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_parser_errors` [INFO] [stderr] --> src/repl.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn print_parser_errors() {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `String` [INFO] [stderr] --> src/token.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | String(String), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | write!(f, "{}", statement); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | write!(f, "let {} =", self.name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:117:9 [INFO] [stderr] | [INFO] [stderr] 117 | write!(f, "return "); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | write!(f, "("); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:201:9 [INFO] [stderr] | [INFO] [stderr] 201 | write!(f, "{}", self.left); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:202:9 [INFO] [stderr] | [INFO] [stderr] 202 | write!(f, " {} ", self.operator); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:203:9 [INFO] [stderr] | [INFO] [stderr] 203 | write!(f, "{}", self.right); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:233:9 [INFO] [stderr] | [INFO] [stderr] 233 | write!(f, "if"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:234:9 [INFO] [stderr] | [INFO] [stderr] 234 | write!(f, "{}", self.condition.to_string()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:235:9 [INFO] [stderr] | [INFO] [stderr] 235 | write!(f, " "); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:236:9 [INFO] [stderr] | [INFO] [stderr] 236 | write!(f, "{}", self.consequence.to_string()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:239:17 [INFO] [stderr] | [INFO] [stderr] 239 | write!(f, "{}", stmt.to_string()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:261:13 [INFO] [stderr] | [INFO] [stderr] 261 | write!(f, "{}", s); // TODO: maybe writeln makes more sense [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:291:9 [INFO] [stderr] | [INFO] [stderr] 291 | write!(f, "{}", self.token); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:292:9 [INFO] [stderr] | [INFO] [stderr] 292 | write!(f, "("); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:293:9 [INFO] [stderr] | [INFO] [stderr] 293 | write!(f, "{}", param_strs.join(", ")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:294:9 [INFO] [stderr] | [INFO] [stderr] 294 | write!(f, ") "); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:323:9 [INFO] [stderr] | [INFO] [stderr] 323 | write!(f, "{}", self.function); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:324:9 [INFO] [stderr] | [INFO] [stderr] 324 | write!(f, "("); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/ast.rs:325:9 [INFO] [stderr] | [INFO] [stderr] 325 | write!(f, "{}", arg_strs.join(", ")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function `Eval` should have a snake case name [INFO] [stderr] --> src/eval.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn Eval(node: Node) -> EvalResult { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `eval` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `Inspect` should have a snake case name [INFO] [stderr] --> src/object.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn Inspect(&self) -> String { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `inspect` [INFO] [stderr] [INFO] [stderr] warning: method `Type` should have a snake case name [INFO] [stderr] --> src/object.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn Type(&self) -> ObjectType { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] help: rename the identifier or convert it to a snake case raw identifier [INFO] [stderr] | [INFO] [stderr] 23 | pub fn r#type(&self) -> ObjectType { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/repl.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | writer.write(b">> "); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/repl.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | writer.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/repl.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | reader.read_line(&mut line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 50 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/monkey-735fcc0f81a881b6) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test eval::tests::eval_bool_expression ... ok [INFO] [stdout] test eval::tests::eval_integer_expression ... ok [INFO] [stdout] test lexer::tests::next_token_multi_line ... ok [INFO] [stdout] test parser::tests::parse_bool_literal ... ok [INFO] [stdout] test lexer::tests::next_token_single_val_tokens ... ok [INFO] [stdout] test parser::tests::parse_function_literal ... ok [INFO] [stdout] test parser::tests::invalid_let_statement ... ok [INFO] [stdout] test parser::tests::parse_ident ... ok [INFO] [stdout] test parser::tests::parse_if_expression ... ok [INFO] [stdout] test parser::tests::parse_infix_expression ... ok [INFO] [stdout] test parser::tests::parse_prefix_expression ... ok [INFO] [stdout] test parser::tests::test_call_expression_parsing ... ok [INFO] [stdout] test parser::tests::test_function_parameters ... ok [INFO] [stdout] test eval::tests::test_bang_operator ... ok [INFO] [stdout] test parser::tests::let_statements ... ok [INFO] [stdout] test parser::tests::parse_int_literal ... ok [INFO] [stdout] test parser::tests::return_statements ... ok [INFO] [stdout] test parser::tests::test_operator_precedence ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ebe43893928eb150ade5e04f2912269faeb0a10b2340f8047f2f13fe258ba211", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebe43893928eb150ade5e04f2912269faeb0a10b2340f8047f2f13fe258ba211", kill_on_drop: false }` [INFO] [stdout] ebe43893928eb150ade5e04f2912269faeb0a10b2340f8047f2f13fe258ba211