[INFO] cloning repository https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umangshrestha/yet-another-interpreter-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7f3b344f60c1aa4bc5b7297fa86681c55abc4c0
[INFO] checking umangshrestha/yet-another-interpreter-in-rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] finished tweaking git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] tweaked toml for git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/umangshrestha/yet-another-interpreter-in-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fa3aeb93fe03b071dfa84e529e31c6e18c9a54a2276c47f22bca3fe4f0b110a
[INFO] running `Command { std: "docker" "start" "-a" "0fa3aeb93fe03b071dfa84e529e31c6e18c9a54a2276c47f22bca3fe4f0b110a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fa3aeb93fe03b071dfa84e529e31c6e18c9a54a2276c47f22bca3fe4f0b110a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa3aeb93fe03b071dfa84e529e31c6e18c9a54a2276c47f22bca3fe4f0b110a", kill_on_drop: false }`
[INFO] [stdout] 0fa3aeb93fe03b071dfa84e529e31c6e18c9a54a2276c47f22bca3fe4f0b110a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c55096b178e5e5eb51a6b5e076e5cf185c3df82f44d8e2d635e3aa4f56303e4e
[INFO] running `Command { std: "docker" "start" "-a" "c55096b178e5e5eb51a6b5e076e5cf185c3df82f44d8e2d635e3aa4f56303e4e", kill_on_drop: false }`
[INFO] [stderr]     Checking rlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/mod.rs:1:62
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, LiteralType, Object, Span, TokenInfo, TokenType};
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/visitor.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, LiteralType, Object, Span, TokenType, TokenInfo};
[INFO] [stdout]   |                                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/ast/stmt/mod.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, Object, Span};
[INFO] [stdout]   |                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `environment`
[INFO] [stdout]  --> src/object/function.rs:3:77
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Environment, Error, ErrorInfo, Interpretor, Object, Span, Stmt, environment};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `LiteralType`, and `TokenType`
[INFO] [stdout]  --> src/interpretor/mod.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ast::Program, object::Function, Environment, Error, ErrorInfo, Expr, LiteralType, Object, Stmt,
[INFO] [stdout]   |                                                  ^^^^^                   ^^^^^^^^^^^
[INFO] [stdout] 5 |     TokenType,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/interpretor/expr.rs:1:79
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{visitor, ErrorInfo, Expr, Interpretor, LiteralType, Object, Span, TokenType, TokenInfo, Error};
[INFO] [stdout]   |                                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/mod.rs:1:62
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, LiteralType, Object, Span, TokenInfo, TokenType};
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/visitor.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, LiteralType, Object, Span, TokenType, TokenInfo};
[INFO] [stdout]   |                                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/ast/stmt/mod.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, Object, Span};
[INFO] [stdout]   |                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `environment`
[INFO] [stdout]  --> src/object/function.rs:3:77
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Environment, Error, ErrorInfo, Interpretor, Object, Span, Stmt, environment};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `LiteralType`, and `TokenType`
[INFO] [stdout]  --> src/interpretor/mod.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ast::Program, object::Function, Environment, Error, ErrorInfo, Expr, LiteralType, Object, Stmt,
[INFO] [stdout]   |                                                  ^^^^^                   ^^^^^^^^^^^
[INFO] [stdout] 5 |     TokenType,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/interpretor/expr.rs:1:79
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{visitor, ErrorInfo, Expr, Interpretor, LiteralType, Object, Span, TokenType, TokenInfo, Error};
[INFO] [stdout]   |                                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 body,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::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: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 body,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::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: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:35:57
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn visit_grouping_expr(&mut self, expr: &Box<Expr>, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let object = self.eval(object)?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         object: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         name: &String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/interpretor/expr.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         value: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         span: &Span,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:36
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpretor/stmt.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         name: &String,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_class`
[INFO] [stdout]    --> src/interpretor/stmt.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         super_class: &Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_super_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `methods`
[INFO] [stdout]    --> src/interpretor/stmt.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         methods: &Vec<Stmt>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_methods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         span: &Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:111:36
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn visit_break_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:115:39
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn visit_continue_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/object/function.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 | /                     environment
[INFO] [stdout] 46 | |                         .define(param
[INFO] [stdout] 47 | |                             .clone(), argument.to_owned(), false);
[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] 45 |                     let _ = environment
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:35:57
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn visit_grouping_expr(&mut self, expr: &Box<Expr>, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let object = self.eval(object)?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         object: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         name: &String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/interpretor/expr.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         value: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         span: &Span,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:36
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpretor/stmt.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         name: &String,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_class`
[INFO] [stdout]    --> src/interpretor/stmt.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         super_class: &Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_super_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `methods`
[INFO] [stdout]    --> src/interpretor/stmt.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         methods: &Vec<Stmt>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_methods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         span: &Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:111:36
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn visit_break_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:115:39
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn visit_continue_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/object/function.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 | /                     environment
[INFO] [stdout] 46 | |                         .define(param
[INFO] [stdout] 47 | |                             .clone(), argument.to_owned(), false);
[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] 45 |                     let _ = environment
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c55096b178e5e5eb51a6b5e076e5cf185c3df82f44d8e2d635e3aa4f56303e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55096b178e5e5eb51a6b5e076e5cf185c3df82f44d8e2d635e3aa4f56303e4e", kill_on_drop: false }`
[INFO] [stdout] c55096b178e5e5eb51a6b5e076e5cf185c3df82f44d8e2d635e3aa4f56303e4e
[INFO] checking umangshrestha/yet-another-interpreter-in-rust against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] finished tweaking git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] tweaked toml for git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/umangshrestha/yet-another-interpreter-in-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf66897fff69c4ee2b5e7bef45ec4dc6c48e7c2be2e1268b3ec4dd83bb8fe812
[INFO] running `Command { std: "docker" "start" "-a" "cf66897fff69c4ee2b5e7bef45ec4dc6c48e7c2be2e1268b3ec4dd83bb8fe812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf66897fff69c4ee2b5e7bef45ec4dc6c48e7c2be2e1268b3ec4dd83bb8fe812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf66897fff69c4ee2b5e7bef45ec4dc6c48e7c2be2e1268b3ec4dd83bb8fe812", kill_on_drop: false }`
[INFO] [stdout] cf66897fff69c4ee2b5e7bef45ec4dc6c48e7c2be2e1268b3ec4dd83bb8fe812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91abcfd2db3daf58c4c4abebabb2f4b7b41f99493285e3716b8b7e88a7e6c03d
[INFO] running `Command { std: "docker" "start" "-a" "91abcfd2db3daf58c4c4abebabb2f4b7b41f99493285e3716b8b7e88a7e6c03d", kill_on_drop: false }`
[INFO] [stderr]     Checking rlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/mod.rs:1:62
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, LiteralType, Object, Span, TokenInfo, TokenType};
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/visitor.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, LiteralType, Object, Span, TokenType, TokenInfo};
[INFO] [stdout]   |                                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/ast/stmt/mod.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, Object, Span};
[INFO] [stdout]   |                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `environment`
[INFO] [stdout]  --> src/object/function.rs:3:77
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Environment, Error, ErrorInfo, Interpretor, Object, Span, Stmt, environment};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `LiteralType`, and `TokenType`
[INFO] [stdout]  --> src/interpretor/mod.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ast::Program, object::Function, Environment, Error, ErrorInfo, Expr, LiteralType, Object, Stmt,
[INFO] [stdout]   |                                                  ^^^^^                   ^^^^^^^^^^^
[INFO] [stdout] 5 |     TokenType,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/interpretor/expr.rs:1:79
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{visitor, ErrorInfo, Expr, Interpretor, LiteralType, Object, Span, TokenType, TokenInfo, Error};
[INFO] [stdout]   |                                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/mod.rs:1:62
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, LiteralType, Object, Span, TokenInfo, TokenType};
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/visitor.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, LiteralType, Object, Span, TokenType, TokenInfo};
[INFO] [stdout]   |                                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/ast/stmt/mod.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, Object, Span};
[INFO] [stdout]   |                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `environment`
[INFO] [stdout]  --> src/object/function.rs:3:77
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Environment, Error, ErrorInfo, Interpretor, Object, Span, Stmt, environment};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `LiteralType`, and `TokenType`
[INFO] [stdout]  --> src/interpretor/mod.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ast::Program, object::Function, Environment, Error, ErrorInfo, Expr, LiteralType, Object, Stmt,
[INFO] [stdout]   |                                                  ^^^^^                   ^^^^^^^^^^^
[INFO] [stdout] 5 |     TokenType,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/interpretor/expr.rs:1:79
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{visitor, ErrorInfo, Expr, Interpretor, LiteralType, Object, Span, TokenType, TokenInfo, Error};
[INFO] [stdout]   |                                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 body,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::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: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 body,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::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: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:35:57
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn visit_grouping_expr(&mut self, expr: &Box<Expr>, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let object = self.eval(object)?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         object: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         name: &String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/interpretor/expr.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         value: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         span: &Span,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:36
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpretor/stmt.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         name: &String,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_class`
[INFO] [stdout]    --> src/interpretor/stmt.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         super_class: &Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_super_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `methods`
[INFO] [stdout]    --> src/interpretor/stmt.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         methods: &Vec<Stmt>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_methods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         span: &Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:111:36
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn visit_break_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:115:39
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn visit_continue_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/parser/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut stmt = Vec::new();
[INFO] [stdout]    |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 30 |         Ok(Program::new(stmt))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/parser/mod.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |           let mut value = None;
[INFO] [stdout]    |                   ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 55 |           Ok(Stmt::Let {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 56 | |             name,
[INFO] [stdout] 57 | |             value,
[INFO] [stdout] 58 | |             is_const,
[INFO] [stdout] 59 | |             span,
[INFO] [stdout] 60 | |         })
[INFO] [stdout]    | |         ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/parser/mod.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |                   let error = Error::Parse("Cannot inherit from itself".to_string());
[INFO] [stdout]    |                       ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 77 |           let mut methods = Vec::new();
[INFO] [stdout]    |                   ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 82 |           Ok(Stmt::Class {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 83 | |             name,
[INFO] [stdout] 84 | |             super_class,
[INFO] [stdout] 85 | |             methods,
[INFO] [stdout] 86 | |             span,
[INFO] [stdout] 87 | |         })
[INFO] [stdout]    | |         ^
[INFO] [stdout]    | |         |
[INFO] [stdout]    | |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let expr = self.expression()?;
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 130 |         self.should_be(TokenType::Semicolon)?;
[INFO] [stdout] 131 |         Ok(Stmt::Expr { expr })
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let expr = self.expression()?;
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 137 |         self.should_be(TokenType::Semicolon)?;
[INFO] [stdout] 138 |         Ok(Stmt::Print { expr })
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 143 |           let mut value = None;
[INFO] [stdout]     |                   ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 148 |           Ok(Stmt::Return {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 149 | |             value,
[INFO] [stdout] 150 | |             span: val.span,
[INFO] [stdout] 151 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let mut stmts = Vec::new();
[INFO] [stdout]     |                 ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 165 |         let condition = if self.curr.is(TokenType::Semicolon) {
[INFO] [stdout]     |             --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 173 |         let increment = match self.curr.token {
[INFO] [stdout]     |             --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 179 |         let mut body = self.statement()?;
[INFO] [stdout]     |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 185 |         let while_stmt = Stmt::While {
[INFO] [stdout]     |             ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 190 |         Ok(Stmt::Block { stmts })
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |           let condition = self.expression()?;
[INFO] [stdout]     |               --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 197 |           self.should_be(TokenType::RParen)?;
[INFO] [stdout] 198 |           let truthy = Box::new(self.statement()?);
[INFO] [stdout]     |               ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 199 |           let mut falsy = None;
[INFO] [stdout]     |                   ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 204 |           Ok(Stmt::If {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 205 | |             condition,
[INFO] [stdout] 206 | |             truthy,
[INFO] [stdout] 207 | |             falsy,
[INFO] [stdout] 208 | |         })
[INFO] [stdout]     | |         ^
[INFO] [stdout]     | |         |
[INFO] [stdout]     | |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     | |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     | |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:217:12
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let condition = self.expression()?;
[INFO] [stdout]     |             --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 215 |         self.should_be(TokenType::RParen)?;
[INFO] [stdout] 216 |         let body = Box::new(self.statement()?);
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 217 |         Ok(Stmt::While { condition, body })
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut stmts = Vec::new();
[INFO] [stdout]     |                 ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 227 |         Ok(Stmt::Block { stmts })
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/object/function.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 | /                     environment
[INFO] [stdout] 46 | |                         .define(param
[INFO] [stdout] 47 | |                             .clone(), argument.to_owned(), false);
[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] 45 |                     let _ = environment
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/mod.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let globals = Rc::new(RefCell::new(Environment::new()));
[INFO] [stdout]    |             ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 19 |         let time = Object::Function(Function::Inbuilt {
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 30 |         let environment = globals.clone();
[INFO] [stdout]    |             ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 34 |             locals: std::collections::HashMap::new(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/mod.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |             func: Box::new(|_args| {
[INFO] [stdout]    |                             ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 26 |                 Ok(Object::Number(time as f64))
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/expr.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let left = self.eval(left)?;
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |         let right = self.eval(right)?;
[INFO] [stdout]    |             ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         Object::binary(left, &op.token, right).map_err(|e| ErrorInfo::new_with_span(e, op.span.to_owned()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/expr.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |           let value = self.eval(value)?;
[INFO] [stdout]    |               ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 46 | /         self.environment
[INFO] [stdout] 47 | |             .borrow_mut()
[INFO] [stdout] 48 | |             .assign(name, value)
[INFO] [stdout]    | |                                ^
[INFO] [stdout]    | |                                |
[INFO] [stdout]    | |                                these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |________________________________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/stmt.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |           let value = value
[INFO] [stdout]    |               ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 31 | /         self.environment
[INFO] [stdout] 32 | |             .borrow_mut()
[INFO] [stdout] 33 | |             .define(name.to_owned(), value, is_const)
[INFO] [stdout]    | |                                                     ^
[INFO] [stdout]    | |                                                     |
[INFO] [stdout]    | |                                                     these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |_____________________________________________________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/stmt.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |           let function = Function::User {
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 95 | /         self.environment
[INFO] [stdout] 96 | |             .borrow_mut()
[INFO] [stdout] 97 | |             .define(name.to_owned(), Object::Function(function), false)
[INFO] [stdout]    | |_______________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:35:57
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn visit_grouping_expr(&mut self, expr: &Box<Expr>, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let object = self.eval(object)?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         object: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         name: &String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/interpretor/expr.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         value: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         span: &Span,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:36
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors; 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpretor/stmt.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         name: &String,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_class`
[INFO] [stdout]    --> src/interpretor/stmt.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         super_class: &Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_super_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `methods`
[INFO] [stdout]    --> src/interpretor/stmt.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         methods: &Vec<Stmt>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_methods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         span: &Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:111:36
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn visit_break_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:115:39
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn visit_continue_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlisp` (lib) due to 17 previous errors; 26 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/parser/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut stmt = Vec::new();
[INFO] [stdout]    |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 30 |         Ok(Program::new(stmt))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/parser/mod.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |           let mut value = None;
[INFO] [stdout]    |                   ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 55 |           Ok(Stmt::Let {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 56 | |             name,
[INFO] [stdout] 57 | |             value,
[INFO] [stdout] 58 | |             is_const,
[INFO] [stdout] 59 | |             span,
[INFO] [stdout] 60 | |         })
[INFO] [stdout]    | |         ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/parser/mod.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |                   let error = Error::Parse("Cannot inherit from itself".to_string());
[INFO] [stdout]    |                       ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 77 |           let mut methods = Vec::new();
[INFO] [stdout]    |                   ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 82 |           Ok(Stmt::Class {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 83 | |             name,
[INFO] [stdout] 84 | |             super_class,
[INFO] [stdout] 85 | |             methods,
[INFO] [stdout] 86 | |             span,
[INFO] [stdout] 87 | |         })
[INFO] [stdout]    | |         ^
[INFO] [stdout]    | |         |
[INFO] [stdout]    | |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let expr = self.expression()?;
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 130 |         self.should_be(TokenType::Semicolon)?;
[INFO] [stdout] 131 |         Ok(Stmt::Expr { expr })
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let expr = self.expression()?;
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 137 |         self.should_be(TokenType::Semicolon)?;
[INFO] [stdout] 138 |         Ok(Stmt::Print { expr })
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 143 |           let mut value = None;
[INFO] [stdout]     |                   ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 148 |           Ok(Stmt::Return {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 149 | |             value,
[INFO] [stdout] 150 | |             span: val.span,
[INFO] [stdout] 151 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let mut stmts = Vec::new();
[INFO] [stdout]     |                 ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 165 |         let condition = if self.curr.is(TokenType::Semicolon) {
[INFO] [stdout]     |             --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 173 |         let increment = match self.curr.token {
[INFO] [stdout]     |             --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 179 |         let mut body = self.statement()?;
[INFO] [stdout]     |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 185 |         let while_stmt = Stmt::While {
[INFO] [stdout]     |             ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 190 |         Ok(Stmt::Block { stmts })
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |           let condition = self.expression()?;
[INFO] [stdout]     |               --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 197 |           self.should_be(TokenType::RParen)?;
[INFO] [stdout] 198 |           let truthy = Box::new(self.statement()?);
[INFO] [stdout]     |               ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 199 |           let mut falsy = None;
[INFO] [stdout]     |                   ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 204 |           Ok(Stmt::If {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 205 | |             condition,
[INFO] [stdout] 206 | |             truthy,
[INFO] [stdout] 207 | |             falsy,
[INFO] [stdout] 208 | |         })
[INFO] [stdout]     | |         ^
[INFO] [stdout]     | |         |
[INFO] [stdout]     | |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     | |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     | |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:217:12
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let condition = self.expression()?;
[INFO] [stdout]     |             --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 215 |         self.should_be(TokenType::RParen)?;
[INFO] [stdout] 216 |         let body = Box::new(self.statement()?);
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 217 |         Ok(Stmt::While { condition, body })
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |            these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/parser/mod.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut stmts = Vec::new();
[INFO] [stdout]     |                 ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 227 |         Ok(Stmt::Block { stmts })
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/object/function.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 | /                     environment
[INFO] [stdout] 46 | |                         .define(param
[INFO] [stdout] 47 | |                             .clone(), argument.to_owned(), false);
[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] 45 |                     let _ = environment
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/mod.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let globals = Rc::new(RefCell::new(Environment::new()));
[INFO] [stdout]    |             ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 19 |         let time = Object::Function(Function::Inbuilt {
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 30 |         let environment = globals.clone();
[INFO] [stdout]    |             ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 34 |             locals: std::collections::HashMap::new(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/mod.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |             func: Box::new(|_args| {
[INFO] [stdout]    |                             ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 26 |                 Ok(Object::Number(time as f64))
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/expr.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let left = self.eval(left)?;
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |         let right = self.eval(right)?;
[INFO] [stdout]    |             ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         Object::binary(left, &op.token, right).map_err(|e| ErrorInfo::new_with_span(e, op.span.to_owned()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/expr.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |           let value = self.eval(value)?;
[INFO] [stdout]    |               ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 46 | /         self.environment
[INFO] [stdout] 47 | |             .borrow_mut()
[INFO] [stdout] 48 | |             .assign(name, value)
[INFO] [stdout]    | |                                ^
[INFO] [stdout]    | |                                |
[INFO] [stdout]    | |                                these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |________________________________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/stmt.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |           let value = value
[INFO] [stdout]    |               ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 31 | /         self.environment
[INFO] [stdout] 32 | |             .borrow_mut()
[INFO] [stdout] 33 | |             .define(name.to_owned(), value, is_const)
[INFO] [stdout]    | |                                                     ^
[INFO] [stdout]    | |                                                     |
[INFO] [stdout]    | |                                                     these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |_____________________________________________________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/interpretor/stmt.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |           let function = Function::User {
[INFO] [stdout]    |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 95 | /         self.environment
[INFO] [stdout] 96 | |             .borrow_mut()
[INFO] [stdout] 97 | |             .define(name.to_owned(), Object::Function(function), false)
[INFO] [stdout]    | |_______________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors; 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlisp` (lib test) due to 17 previous errors; 26 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "91abcfd2db3daf58c4c4abebabb2f4b7b41f99493285e3716b8b7e88a7e6c03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91abcfd2db3daf58c4c4abebabb2f4b7b41f99493285e3716b8b7e88a7e6c03d", kill_on_drop: false }`
[INFO] [stdout] 91abcfd2db3daf58c4c4abebabb2f4b7b41f99493285e3716b8b7e88a7e6c03d