[INFO] cloning repository https://github.com/kazuhiko-itani/interpreter-made-of-go-made-of-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazuhiko-itani/interpreter-made-of-go-made-of-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazuhiko-itani%2Finterpreter-made-of-go-made-of-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazuhiko-itani%2Finterpreter-made-of-go-made-of-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 95f66d57fbe830852c0a4ffef6a473835a9db306 [INFO] building kazuhiko-itani/interpreter-made-of-go-made-of-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazuhiko-itani%2Finterpreter-made-of-go-made-of-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kazuhiko-itani/interpreter-made-of-go-made-of-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kazuhiko-itani/interpreter-made-of-go-made-of-rust [INFO] finished tweaking git repo https://github.com/kazuhiko-itani/interpreter-made-of-go-made-of-rust [INFO] tweaked toml for git repo https://github.com/kazuhiko-itani/interpreter-made-of-go-made-of-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kazuhiko-itani/interpreter-made-of-go-made-of-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77a183116091f0659872b5acd52b89562bbd3eca89f74d9e4c12f4060ba86fa1 [INFO] running `Command { std: "docker" "start" "-a" "77a183116091f0659872b5acd52b89562bbd3eca89f74d9e4c12f4060ba86fa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77a183116091f0659872b5acd52b89562bbd3eca89f74d9e4c12f4060ba86fa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77a183116091f0659872b5acd52b89562bbd3eca89f74d9e4c12f4060ba86fa1", kill_on_drop: false }` [INFO] [stdout] 77a183116091f0659872b5acd52b89562bbd3eca89f74d9e4c12f4060ba86fa1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a36e34267209933f12d93882f43e7e2eb71b197e25cfe03720e5a996c9261366 [INFO] running `Command { std: "docker" "start" "-a" "a36e34267209933f12d93882f43e7e2eb71b197e25cfe03720e5a996c9261366", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.8 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling linux-raw-sys v0.4.5 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling bitflags v2.4.0 [INFO] [stderr] Compiling smallvec v1.11.0 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling endian-type v0.1.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling nibble_vec v0.1.0 [INFO] [stderr] Compiling radix_trie v0.2.1 [INFO] [stderr] Compiling nix v0.26.2 [INFO] [stderr] Compiling fd-lock v3.0.13 [INFO] [stderr] Compiling rustyline v12.0.0 [INFO] [stderr] Compiling interpreter-made-of-go-made-of-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/evaluator.rs:134:16 [INFO] [stdout] | [INFO] [stdout] 134 | if (is_error(&function)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 134 - if (is_error(&function)) { [INFO] [stdout] 134 + if is_error(&function) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/evaluator.rs:219:24 [INFO] [stdout] | [INFO] [stdout] 219 | _ => new_error((format!("unknown operator: {} {} {}", left, op, right))), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 219 - _ => new_error((format!("unknown operator: {} {} {}", left, op, right))), [INFO] [stdout] 219 + _ => new_error(format!("unknown operator: {} {} {}", left, op, right)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/parse.rs:76:38 [INFO] [stdout] | [INFO] [stdout] 76 | while !self.current_token_is((TokenType::EOF)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 76 - while !self.current_token_is((TokenType::EOF)) { [INFO] [stdout] 76 + while !self.current_token_is(TokenType::EOF) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/evaluator.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | _ => eval_expression(Expression::Ident("todo".to_string()), env), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/evaluator.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 42 | Statement::Expression(expression) => eval_expression(expression, env), [INFO] [stdout] | --------------------------------- matches some of the same values [INFO] [stdout] 43 | Statement::Return(expr) => Object::ReturnValue(Box::new(eval_expression(expr, env))), [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] 44 | Statement::Let(ident, value) => { [INFO] [stdout] | ---------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 49 | _ => eval_expression(Expression::Ident("todo".to_string()), env), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/evaluator.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | _ => eval_expression(Expression::Ident("todo".to_string()), env), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/evaluator.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 55 | Expression::IntegerLiteral(integer) => Object::Integer(integer), [INFO] [stdout] | ----------------------------------- matches some of the same values [INFO] [stdout] 56 | Expression::StringLiteral(string) => Object::String(string), [INFO] [stdout] | --------------------------------- matches some of the same values [INFO] [stdout] 57 | Expression::Boolean(bool) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 64 | Expression::ArrayLiteral(elements) => { [INFO] [stdout] | ---------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 148 | _ => eval_expression(Expression::Ident("todo".to_string()), env), [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/object.rs:63:42 [INFO] [stdout] | [INFO] [stdout] 63 | Object::Function(args, body, env) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `string` is never used [INFO] [stdout] --> src/parse.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl Parser { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn string(&self, program: &Program) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.63s [INFO] running `Command { std: "docker" "inspect" "a36e34267209933f12d93882f43e7e2eb71b197e25cfe03720e5a996c9261366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a36e34267209933f12d93882f43e7e2eb71b197e25cfe03720e5a996c9261366", kill_on_drop: false }` [INFO] [stdout] a36e34267209933f12d93882f43e7e2eb71b197e25cfe03720e5a996c9261366 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65cb6456cd86dc87022519f5258b09d82917765fb4a1976cd6b110f8a49a8bab [INFO] running `Command { std: "docker" "start" "-a" "65cb6456cd86dc87022519f5258b09d82917765fb4a1976cd6b110f8a49a8bab", kill_on_drop: false }` [INFO] [stderr] Compiling interpreter-made-of-go-made-of-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/evaluator.rs:134:16 [INFO] [stdout] | [INFO] [stdout] 134 | if (is_error(&function)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 134 - if (is_error(&function)) { [INFO] [stdout] 134 + if is_error(&function) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/evaluator.rs:219:24 [INFO] [stdout] | [INFO] [stdout] 219 | _ => new_error((format!("unknown operator: {} {} {}", left, op, right))), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 219 - _ => new_error((format!("unknown operator: {} {} {}", left, op, right))), [INFO] [stdout] 219 + _ => new_error(format!("unknown operator: {} {} {}", left, op, right)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/parse.rs:76:38 [INFO] [stdout] | [INFO] [stdout] 76 | while !self.current_token_is((TokenType::EOF)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 76 - while !self.current_token_is((TokenType::EOF)) { [INFO] [stdout] 76 + while !self.current_token_is(TokenType::EOF) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/evaluator.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | _ => eval_expression(Expression::Ident("todo".to_string()), env), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/evaluator.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 42 | Statement::Expression(expression) => eval_expression(expression, env), [INFO] [stdout] | --------------------------------- matches some of the same values [INFO] [stdout] 43 | Statement::Return(expr) => Object::ReturnValue(Box::new(eval_expression(expr, env))), [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] 44 | Statement::Let(ident, value) => { [INFO] [stdout] | ---------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 49 | _ => eval_expression(Expression::Ident("todo".to_string()), env), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/evaluator.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | _ => eval_expression(Expression::Ident("todo".to_string()), env), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/evaluator.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 55 | Expression::IntegerLiteral(integer) => Object::Integer(integer), [INFO] [stdout] | ----------------------------------- matches some of the same values [INFO] [stdout] 56 | Expression::StringLiteral(string) => Object::String(string), [INFO] [stdout] | --------------------------------- matches some of the same values [INFO] [stdout] 57 | Expression::Boolean(bool) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 64 | Expression::ArrayLiteral(elements) => { [INFO] [stdout] | ---------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 148 | _ => eval_expression(Expression::Ident("todo".to_string()), env), [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/object.rs:63:42 [INFO] [stdout] | [INFO] [stdout] 63 | Object::Function(args, body, env) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "65cb6456cd86dc87022519f5258b09d82917765fb4a1976cd6b110f8a49a8bab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65cb6456cd86dc87022519f5258b09d82917765fb4a1976cd6b110f8a49a8bab", kill_on_drop: false }` [INFO] [stdout] 65cb6456cd86dc87022519f5258b09d82917765fb4a1976cd6b110f8a49a8bab