[INFO] cloning repository https://github.com/geefuoco/repl_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geefuoco/repl_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeefuoco%2Frepl_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeefuoco%2Frepl_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 574700c83152c9894e6f9f18cb3683b1e367e60f [INFO] building geefuoco/repl_rs 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%2Fgeefuoco%2Frepl_rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/geefuoco/repl_rs 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/geefuoco/repl_rs [INFO] finished tweaking git repo https://github.com/geefuoco/repl_rs [INFO] tweaked toml for git repo https://github.com/geefuoco/repl_rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/geefuoco/repl_rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fecb3ab293e898802d25e97ed4aef7222a38bfe9ae449afbe7fa80dd429a47c9 [INFO] running `Command { std: "docker" "start" "-a" "fecb3ab293e898802d25e97ed4aef7222a38bfe9ae449afbe7fa80dd429a47c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fecb3ab293e898802d25e97ed4aef7222a38bfe9ae449afbe7fa80dd429a47c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fecb3ab293e898802d25e97ed4aef7222a38bfe9ae449afbe7fa80dd429a47c9", kill_on_drop: false }` [INFO] [stdout] fecb3ab293e898802d25e97ed4aef7222a38bfe9ae449afbe7fa80dd429a47c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5340be4a53cd94cad1366929c98d964f77920dd459817af205a38ce28ea8e9d4 [INFO] running `Command { std: "docker" "start" "-a" "5340be4a53cd94cad1366929c98d964f77920dd459817af205a38ce28ea8e9d4", kill_on_drop: false }` [INFO] [stderr] Compiling repl_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `map` [INFO] [stdout] --> src/object/environment.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut map: HashMap = HashMap::new(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_map` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/object/environment.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut map: HashMap = HashMap::new(); [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: unused variable: `other` [INFO] [stdout] --> src/object/environment.rs:75:18 [INFO] [stdout] | [INFO] [stdout] 75 | fn eq(&self, other: &Self) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/object/environment.rs:81:27 [INFO] [stdout] | [INFO] [stdout] 81 | fn partial_cmp(&self, other: &Self) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/ast/mod.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl Expressions { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] 48 | pub fn as_call_expression(self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn as_prefix_expression(self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn as_function_literal(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn as_infix_expression(self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn as_if_expression(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn as_integer_literal(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn as_boolean_literal(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn as_identifier(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 99 | pub fn as_string_literal(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BlockStatement` is never constructed [INFO] [stdout] --> src/ast/mod.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 125 | pub enum Statements { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 129 | BlockStatement(BlockStatement), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Statements` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `as_let_statement`, `as_return_statement`, `as_expression_statement`, and `as_block_statement` are never used [INFO] [stdout] --> src/ast/mod.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 134 | impl Statements { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] 135 | pub fn as_let_statement(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | pub fn as_return_statement(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 147 | pub fn as_expression_statement(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 153 | pub fn as_block_statement(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `statement_node` is never used [INFO] [stdout] --> src/ast/mod.rs:178:8 [INFO] [stdout] | [INFO] [stdout] 177 | pub trait Statement: Node { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 178 | fn statement_node(&self); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `expression_node` is never used [INFO] [stdout] --> src/ast/mod.rs:182:8 [INFO] [stdout] | [INFO] [stdout] 181 | pub trait Expression: Node { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 182 | fn expression_node(&self); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `token` and `statements` are never used [INFO] [stdout] --> src/ast/block_statement.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl BlockStatement { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn token(&self) -> &Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn statements(&self) -> &[Statements] { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `function` is never used [INFO] [stdout] --> src/ast/call_expression.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl CallExpression { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn function(&self) -> &Expressions { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `expression` is never used [INFO] [stdout] --> src/ast/expression_statement.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl ExpressionStatement { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn expression(&self) -> &Expressions { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `body` is never used [INFO] [stdout] --> src/ast/function_literal.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl FunctionLiteral { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn body(&self) -> &BlockStatement { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `consequence` and `condition` are never used [INFO] [stdout] --> src/ast/if_expression.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl IfExpression { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn consequence(&self) -> &BlockStatement { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn condition(&self) -> &Box { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `expression_right` and `expression_left` are never used [INFO] [stdout] --> src/ast/infix_expression.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl InfixExpression { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn expression_right(&self) -> &Expressions { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn expression_left(&self) -> &Expressions { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `token` and `value` are never used [INFO] [stdout] --> src/ast/let_statement.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl LetStatement { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn token(&self) -> &Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn value(&self) -> &Expressions { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `expression_right` is never used [INFO] [stdout] --> src/ast/prefix_expression.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl PrefixExpression { [INFO] [stdout] | --------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn expression_right(&self) -> &Expressions { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `token` and `return_value` are never used [INFO] [stdout] --> src/ast/return_statement.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl ReturnStatement { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn token(&self) -> &Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn return_value(&self) -> &Expressions { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `as_null`, `as_return`, `as_fn`, `as_err`, `as_builtin`, and `is_null` are never used [INFO] [stdout] --> src/object/mod.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 81 | impl Objects { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 94 | pub fn as_null(self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn as_return(self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | pub fn as_fn(self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn as_err(self) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 124 | pub fn as_builtin(self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | pub fn is_null(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_builtin` is never used [INFO] [stdout] --> src/object/mod.rs:213:8 [INFO] [stdout] | [INFO] [stdout] 204 | pub trait Object: Debug { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 213 | fn is_builtin(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `value` is never used [INFO] [stdout] --> src/object/boolean.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Boolean { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn value(&self) -> &bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `message` is never used [INFO] [stdout] --> src/object/error.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Error { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn message(&self) -> &str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `body` is never used [INFO] [stdout] --> src/object/function.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Function { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn body(&self) -> &BlockStatement { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `value` is never used [INFO] [stdout] --> src/object/return_object.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Return { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn value(&self) -> &Box { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | repl::start(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 10 | let _ = repl::start(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.28s [INFO] running `Command { std: "docker" "inspect" "5340be4a53cd94cad1366929c98d964f77920dd459817af205a38ce28ea8e9d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5340be4a53cd94cad1366929c98d964f77920dd459817af205a38ce28ea8e9d4", kill_on_drop: false }` [INFO] [stdout] 5340be4a53cd94cad1366929c98d964f77920dd459817af205a38ce28ea8e9d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0789e2c7be6748e644c1fdc6ba25bbfe40bedc67deba20fd40c54711a3ba9a36 [INFO] running `Command { std: "docker" "start" "-a" "0789e2c7be6748e644c1fdc6ba25bbfe40bedc67deba20fd40c54711a3ba9a36", kill_on_drop: false }` [INFO] [stderr] Compiling repl_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `map` [INFO] [stdout] --> src/object/environment.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut map: HashMap = HashMap::new(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_map` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/object/environment.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut map: HashMap = HashMap::new(); [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: unused variable: `other` [INFO] [stdout] --> src/object/environment.rs:75:18 [INFO] [stdout] | [INFO] [stdout] 75 | fn eq(&self, other: &Self) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/object/environment.rs:81:27 [INFO] [stdout] | [INFO] [stdout] 81 | fn partial_cmp(&self, other: &Self) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BlockStatement` is never constructed [INFO] [stdout] --> src/ast/mod.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 125 | pub enum Statements { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 129 | BlockStatement(BlockStatement), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Statements` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_block_statement` is never used [INFO] [stdout] --> src/ast/mod.rs:153:12 [INFO] [stdout] | [INFO] [stdout] 134 | impl Statements { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 153 | pub fn as_block_statement(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `statement_node` is never used [INFO] [stdout] --> src/ast/mod.rs:178:8 [INFO] [stdout] | [INFO] [stdout] 177 | pub trait Statement: Node { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 178 | fn statement_node(&self); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `expression_node` is never used [INFO] [stdout] --> src/ast/mod.rs:182:8 [INFO] [stdout] | [INFO] [stdout] 181 | pub trait Expression: Node { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 182 | fn expression_node(&self); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `token` is never used [INFO] [stdout] --> src/ast/block_statement.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl BlockStatement { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn token(&self) -> &Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `token` is never used [INFO] [stdout] --> src/ast/let_statement.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl LetStatement { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn token(&self) -> &Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `token` is never used [INFO] [stdout] --> src/ast/return_statement.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl ReturnStatement { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn token(&self) -> &Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `as_null`, `as_return`, and `as_builtin` are never used [INFO] [stdout] --> src/object/mod.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 81 | impl Objects { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 94 | pub fn as_null(self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn as_return(self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 124 | pub fn as_builtin(self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_builtin` is never used [INFO] [stdout] --> src/object/mod.rs:213:8 [INFO] [stdout] | [INFO] [stdout] 204 | pub trait Object: Debug { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 213 | fn is_builtin(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | repl::start(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 10 | let _ = repl::start(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.34s [INFO] running `Command { std: "docker" "inspect" "0789e2c7be6748e644c1fdc6ba25bbfe40bedc67deba20fd40c54711a3ba9a36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0789e2c7be6748e644c1fdc6ba25bbfe40bedc67deba20fd40c54711a3ba9a36", kill_on_drop: false }` [INFO] [stdout] 0789e2c7be6748e644c1fdc6ba25bbfe40bedc67deba20fd40c54711a3ba9a36