[INFO] cloning repository https://github.com/eduardorittner/loxr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eduardorittner/loxr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduardorittner%2Floxr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduardorittner%2Floxr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa89de965b532a4a212348754e8ec8ff002864ce
[INFO] checking eduardorittner/loxr against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduardorittner%2Floxr" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eduardorittner/loxr
[INFO] finished tweaking git repo https://github.com/eduardorittner/loxr
[INFO] tweaked toml for git repo https://github.com/eduardorittner/loxr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eduardorittner/loxr on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eduardorittner/loxr 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cb2f6301f0efc5c8e29a16c8983f5687b0fbf0712dd8def730c50a0f7587cf1
[INFO] running `Command { std: "docker" "start" "-a" "3cb2f6301f0efc5c8e29a16c8983f5687b0fbf0712dd8def730c50a0f7587cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cb2f6301f0efc5c8e29a16c8983f5687b0fbf0712dd8def730c50a0f7587cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb2f6301f0efc5c8e29a16c8983f5687b0fbf0712dd8def730c50a0f7587cf1", kill_on_drop: false }`
[INFO] [stdout] 3cb2f6301f0efc5c8e29a16c8983f5687b0fbf0712dd8def730c50a0f7587cf1
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a398095eb3bf1215d845a49d20e3f139eebf92e9034ce5d459e3a184b19c8ea
[INFO] running `Command { std: "docker" "start" "-a" "3a398095eb3bf1215d845a49d20e3f139eebf92e9034ce5d459e3a184b19c8ea", kill_on_drop: false }`
[INFO] [stderr]     Checking lex v0.1.0 (/opt/rustwide/workdir/lex)
[INFO] [stdout] warning: the feature `new_range_api` has been stable since 1.96.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> lex/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_range_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `done` are never read
[INFO] [stdout]   --> lex/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Lexer<'source> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 10 |     source: &'source str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     done: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_range_api` has been stable since 1.96.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> lex/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_range_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `done` are never read
[INFO] [stdout]   --> lex/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Lexer<'source> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 10 |     source: &'source str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     done: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ast v0.1.0 (/opt/rustwide/workdir/ast)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> ast/src/lib.rs:179:19
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fun_decl`
[INFO] [stdout]    --> ast/src/lib.rs:182:23
[INFO] [stdout]     |
[INFO] [stdout] 182 |             Decl::Fun(fun_decl) => todo!(),
[INFO] [stdout]     |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fun_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> ast/src/lib.rs:183:25
[INFO] [stdout]     |
[INFO] [stdout] 183 |             Decl::Var { name, value } => todo!(),
[INFO] [stdout]     |                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> ast/src/lib.rs:183:31
[INFO] [stdout]     |
[INFO] [stdout] 183 |             Decl::Var { name, value } => todo!(),
[INFO] [stdout]     |                               ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]    --> ast/src/lib.rs:184:26
[INFO] [stdout]     |
[INFO] [stdout] 184 |             Decl::Stmt { stmt } => todo!(),
[INFO] [stdout]     |                          ^^^^ help: try ignoring the field: `stmt: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> ast/src/lib.rs:179:19
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fun_decl`
[INFO] [stdout]    --> ast/src/lib.rs:182:23
[INFO] [stdout]     |
[INFO] [stdout] 182 |             Decl::Fun(fun_decl) => todo!(),
[INFO] [stdout]     |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fun_decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> ast/src/lib.rs:183:25
[INFO] [stdout]     |
[INFO] [stdout] 183 |             Decl::Var { name, value } => todo!(),
[INFO] [stdout]     |                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> ast/src/lib.rs:183:31
[INFO] [stdout]     |
[INFO] [stdout] 183 |             Decl::Var { name, value } => todo!(),
[INFO] [stdout]     |                               ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmt`
[INFO] [stdout]    --> ast/src/lib.rs:184:26
[INFO] [stdout]     |
[INFO] [stdout] 184 |             Decl::Stmt { stmt } => todo!(),
[INFO] [stdout]     |                          ^^^^ help: try ignoring the field: `stmt: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parse v0.1.0 (/opt/rustwide/workdir/parse)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> parse/src/decl.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |           ast::Decl::Fun(ast::FunDecl {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 62 | |             name,
[INFO] [stdout] 63 | |             args,
[INFO] [stdout] 64 | |             body: todo!(),
[INFO] [stdout]    | |                   ------- any code following this expression is unreachable
[INFO] [stdout] 65 | |         })
[INFO] [stdout]    | |_________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> parse/src/decl.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |           ast::Decl::Fun(ast::FunDecl {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 62 | |             name,
[INFO] [stdout] 63 | |             args,
[INFO] [stdout] 64 | |             body: todo!(),
[INFO] [stdout]    | |                   ------- any code following this expression is unreachable
[INFO] [stdout] 65 | |         })
[INFO] [stdout]    | |_________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `postfix_bp` is never used
[INFO] [stdout]    --> parse/src/expr.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | trait Operator {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn postfix_bp(&self) -> Option<(u8, ())>;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking vm_ast v0.1.0 (/opt/rustwide/workdir/vm-ast)
[INFO] [stdout] warning: method `postfix_bp` is never used
[INFO] [stdout]    --> parse/src/expr.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | trait Operator {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn postfix_bp(&self) -> Option<(u8, ())>;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse::Parser`
[INFO] [stdout]  --> vm-ast/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parse::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> vm-ast/src/lib.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Stmt::Return { expr } => Err("Return statements not implemented".into()),
[INFO] [stdout]    |                            ^^^^ help: try ignoring the field: `expr: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> vm-ast/src/lib.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut result = Lit::Nil;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> vm-ast/src/lib.rs:143:38
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 stmt: Stmt::Return { expr },
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `expr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse::Parser`
[INFO] [stdout]  --> vm-ast/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parse::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking loxr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> vm-ast/src/lib.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Stmt::Return { expr } => Err("Return statements not implemented".into()),
[INFO] [stdout]    |                            ^^^^ help: try ignoring the field: `expr: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> vm-ast/src/lib.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut result = Lit::Nil;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> vm-ast/src/lib.rs:143:38
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 stmt: Stmt::Return { expr },
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `expr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lex::T`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lex::T;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lex::token::TokenKind`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lex::token::TokenKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lex::T`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lex::T;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lex::token::TokenKind`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lex::token::TokenKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fun_decl`
[INFO] [stdout]   --> src/main.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |             ast::Decl::Fun(fun_decl) => todo!(),
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fun_decl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/main.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |             ast::Decl::Var { name, value } => todo!(),
[INFO] [stdout]    |                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/main.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 |             ast::Decl::Var { name, value } => todo!(),
[INFO] [stdout]    |                                    ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> src/main.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 ast::Stmt::While { cond, body } => todo!(),
[INFO] [stdout]    |                                    ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/main.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 ast::Stmt::While { cond, body } => todo!(),
[INFO] [stdout]    |                                          ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/main.rs:17:37
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 ast::Stmt::Return { expr } => todo!(),
[INFO] [stdout]    |                                     ^^^^ help: try ignoring the field: `expr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/main.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 ast::Stmt::Print { expr } => todo!(),
[INFO] [stdout]    |                                    ^^^^ help: try ignoring the field: `expr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     cond,
[INFO] [stdout]    |                     ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iftrue`
[INFO] [stdout]   --> src/main.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     iftrue,
[INFO] [stdout]    |                     ^^^^^^ help: try ignoring the field: `iftrue: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iffalse`
[INFO] [stdout]   --> src/main.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     iffalse,
[INFO] [stdout]    |                     ^^^^^^^ help: try ignoring the field: `iffalse: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial`
[INFO] [stdout]   --> src/main.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                     initial,
[INFO] [stdout]    |                     ^^^^^^^ help: try ignoring the field: `initial: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> src/main.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     cond,
[INFO] [stdout]    |                     ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `increment`
[INFO] [stdout]   --> src/main.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     increment,
[INFO] [stdout]    |                     ^^^^^^^^^ help: try ignoring the field: `increment: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/main.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     body,
[INFO] [stdout]    |                     ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     vm.execute_stmt(ast::Stmt::Block(block));
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let _ = vm.execute_stmt(ast::Stmt::Block(block));
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fun_decl`
[INFO] [stdout]   --> src/main.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |             ast::Decl::Fun(fun_decl) => todo!(),
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fun_decl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/main.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |             ast::Decl::Var { name, value } => todo!(),
[INFO] [stdout]    |                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/main.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 |             ast::Decl::Var { name, value } => todo!(),
[INFO] [stdout]    |                                    ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> src/main.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 ast::Stmt::While { cond, body } => todo!(),
[INFO] [stdout]    |                                    ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/main.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 ast::Stmt::While { cond, body } => todo!(),
[INFO] [stdout]    |                                          ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/main.rs:17:37
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 ast::Stmt::Return { expr } => todo!(),
[INFO] [stdout]    |                                     ^^^^ help: try ignoring the field: `expr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/main.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 ast::Stmt::Print { expr } => todo!(),
[INFO] [stdout]    |                                    ^^^^ help: try ignoring the field: `expr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     cond,
[INFO] [stdout]    |                     ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iftrue`
[INFO] [stdout]   --> src/main.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     iftrue,
[INFO] [stdout]    |                     ^^^^^^ help: try ignoring the field: `iftrue: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iffalse`
[INFO] [stdout]   --> src/main.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     iffalse,
[INFO] [stdout]    |                     ^^^^^^^ help: try ignoring the field: `iffalse: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial`
[INFO] [stdout]   --> src/main.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                     initial,
[INFO] [stdout]    |                     ^^^^^^^ help: try ignoring the field: `initial: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]   --> src/main.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     cond,
[INFO] [stdout]    |                     ^^^^ help: try ignoring the field: `cond: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `increment`
[INFO] [stdout]   --> src/main.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     increment,
[INFO] [stdout]    |                     ^^^^^^^^^ help: try ignoring the field: `increment: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/main.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     body,
[INFO] [stdout]    |                     ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     vm.execute_stmt(ast::Stmt::Block(block));
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let _ = vm.execute_stmt(ast::Stmt::Block(block));
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "3a398095eb3bf1215d845a49d20e3f139eebf92e9034ce5d459e3a184b19c8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a398095eb3bf1215d845a49d20e3f139eebf92e9034ce5d459e3a184b19c8ea", kill_on_drop: false }`
[INFO] [stdout] 3a398095eb3bf1215d845a49d20e3f139eebf92e9034ce5d459e3a184b19c8ea
