[INFO] cloning repository https://github.com/LionzGHG/CraftingInterpreters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LionzGHG/CraftingInterpreters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLionzGHG%2FCraftingInterpreters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLionzGHG%2FCraftingInterpreters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e71bad0c82a98ef8fe7b5f7ab42e7facdca26ac
[INFO] checking LionzGHG/CraftingInterpreters/3e71bad0c82a98ef8fe7b5f7ab42e7facdca26ac against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLionzGHG%2FCraftingInterpreters" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LionzGHG/CraftingInterpreters on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LionzGHG/CraftingInterpreters
[INFO] finished tweaking git repo https://github.com/LionzGHG/CraftingInterpreters
[INFO] tweaked toml for git repo https://github.com/LionzGHG/CraftingInterpreters written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LionzGHG/CraftingInterpreters 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 406082f7baf2fb392999d2a106d08ede94c07440cc2387a28f150da4dc6cff44
[INFO] running `Command { std: "docker" "start" "-a" "406082f7baf2fb392999d2a106d08ede94c07440cc2387a28f150da4dc6cff44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "406082f7baf2fb392999d2a106d08ede94c07440cc2387a28f150da4dc6cff44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406082f7baf2fb392999d2a106d08ede94c07440cc2387a28f150da4dc6cff44", kill_on_drop: false }`
[INFO] [stdout] 406082f7baf2fb392999d2a106d08ede94c07440cc2387a28f150da4dc6cff44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d666541cb7d75fb528bdae0e872850c616b92fd7d240e053593bf064c29ca4e
[INFO] running `Command { std: "docker" "start" "-a" "7d666541cb7d75fb528bdae0e872850c616b92fd7d240e053593bf064c29ca4e", kill_on_drop: false }`
[INFO] [stderr]     Checking rogue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use parser::{ast::{Expr, Stmt}, Parser};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ffi::FromVecWithNulError`
[INFO] [stdout]  --> src/parser/ast.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{any::Any, ffi::FromVecWithNulError};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TypeId`, `collections::HashMap`, `io`, and `type_name_of_val`
[INFO] [stdout]  --> src/interpreter/mod.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::{type_name_of_val, TypeId}, collections::HashMap, io};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^  ^^^^^^   ^^^^^^^^^^^^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/interpreter/mod.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::util::{Value, error::Error};
[INFO] [stdout]   |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/interpreter/environment.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{lexer::tokens::Token, util::{error::Error, Value}};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AssertUnwindSafe` and `UnwindSafe`
[INFO] [stdout]  --> src/util/mod.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::Any, fmt::{Debug, Display}, panic::{AssertUnwindSafe, UnwindSafe}};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/util/error_formatter.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/util/error_formatter.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::lexer::tokens::{Token, TokenType};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `util::Number`
[INFO] [stdout]   --> src/util/mod.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl Number {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]   --> src/util/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl<T> Object for T
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]   --> src/util/mod.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl Clone for Box<dyn Object> {
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]   --> src/util/mod.rs:99:26
[INFO] [stdout]    |
[INFO] [stdout] 99 | impl Display for Box<dyn Object> {
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]    --> src/util/mod.rs:107:42
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn downcast_obj<T: Any>(object: &dyn Object) -> Option<&T> {
[INFO] [stdout]     |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]    --> src/util/mod.rs:113:34
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn downcast_to_f64(obj: &dyn Object) -> Option<f64> {
[INFO] [stdout]     |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]    --> src/util/mod.rs:127:50
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn downcast_to<T: 'static + Clone>(obj: &dyn Object) -> Option<T> {
[INFO] [stdout]     |                                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]   --> src/util/mod.rs:73:36
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn clone_box(&self) -> Box<dyn Object> {
[INFO] [stdout]    |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `util::downcast_obj`
[INFO] [stdout]   --> src/util/mod.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |         if let Some(value) = downcast_obj::<f64>(self).cloned() {
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use parser::{ast::{Expr, Stmt}, Parser};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ffi::FromVecWithNulError`
[INFO] [stdout]  --> src/parser/ast.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{any::Any, ffi::FromVecWithNulError};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TypeId`, `collections::HashMap`, `io`, and `type_name_of_val`
[INFO] [stdout]  --> src/interpreter/mod.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::{type_name_of_val, TypeId}, collections::HashMap, io};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^  ^^^^^^   ^^^^^^^^^^^^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/interpreter/mod.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::util::{Value, error::Error};
[INFO] [stdout]   |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/interpreter/environment.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{lexer::tokens::Token, util::{error::Error, Value}};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AssertUnwindSafe` and `UnwindSafe`
[INFO] [stdout]  --> src/util/mod.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::Any, fmt::{Debug, Display}, panic::{AssertUnwindSafe, UnwindSafe}};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/util/error_formatter.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/util/error_formatter.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::lexer::tokens::{Token, TokenType};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `util::Number`
[INFO] [stdout]   --> src/util/mod.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl Number {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]   --> src/util/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl<T> Object for T
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]   --> src/util/mod.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl Clone for Box<dyn Object> {
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]   --> src/util/mod.rs:99:26
[INFO] [stdout]    |
[INFO] [stdout] 99 | impl Display for Box<dyn Object> {
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]    --> src/util/mod.rs:107:42
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn downcast_obj<T: Any>(object: &dyn Object) -> Option<&T> {
[INFO] [stdout]     |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]    --> src/util/mod.rs:113:34
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn downcast_to_f64(obj: &dyn Object) -> Option<f64> {
[INFO] [stdout]     |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]    --> src/util/mod.rs:127:50
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn downcast_to<T: 'static + Clone>(obj: &dyn Object) -> Option<T> {
[INFO] [stdout]     |                                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `util::Object`
[INFO] [stdout]   --> src/util/mod.rs:73:36
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn clone_box(&self) -> Box<dyn Object> {
[INFO] [stdout]    |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `util::downcast_obj`
[INFO] [stdout]   --> src/util/mod.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |         if let Some(value) = downcast_obj::<f64>(self).cloned() {
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `util::Number::0`
[INFO] [stdout]   --> src/util/mod.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |         return self.0;
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `util::Object::clone_box`
[INFO] [stdout]   --> src/util/mod.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |         self.as_ref().clone_box()
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `util::Object::as_string`
[INFO] [stdout]    --> src/util/mod.rs:101:30
[INFO] [stdout]     |
[INFO] [stdout] 101 |         write!(f, "{}", self.as_string())
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `util::Object::as_any`
[INFO] [stdout]    --> src/util/mod.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     object.as_any().downcast_ref::<T>()
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `util::Object::as_any`
[INFO] [stdout]    --> src/util/mod.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let opt_opt: Option<Option<f64>> = obj.as_any().downcast_ref::<Option<Option<f64>>>().unwrap().clone();
[INFO] [stdout]     |                                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `util::Object::as_any`
[INFO] [stdout]    --> src/util/mod.rs:128:42
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let opt_opt: Option<Option<T>> = obj.as_any().downcast_ref::<Option<Option<T>>>().expect("Expected Option<Optiony<T>>").clone();
[INFO] [stdout]     |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `util::Number::0`
[INFO] [stdout]   --> src/util/mod.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |         return self.0;
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `util::Object::clone_box`
[INFO] [stdout]   --> src/util/mod.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |         self.as_ref().clone_box()
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `util::Object::as_string`
[INFO] [stdout]    --> src/util/mod.rs:101:30
[INFO] [stdout]     |
[INFO] [stdout] 101 |         write!(f, "{}", self.as_string())
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `util::Object::as_any`
[INFO] [stdout]    --> src/util/mod.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     object.as_any().downcast_ref::<T>()
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `util::Object::as_any`
[INFO] [stdout]    --> src/util/mod.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let opt_opt: Option<Option<f64>> = obj.as_any().downcast_ref::<Option<Option<f64>>>().unwrap().clone();
[INFO] [stdout]     |                                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `util::Object::as_any`
[INFO] [stdout]    --> src/util/mod.rs:128:42
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let opt_opt: Option<Option<T>> = obj.as_any().downcast_ref::<Option<Option<T>>>().expect("Expected Option<Optiony<T>>").clone();
[INFO] [stdout]     |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `initializer` is assigned to, but never used
[INFO] [stdout]    --> src/parser/mod.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let mut initializer: Option<Box<dyn Stmt>> = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_initializer` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `initializer` is never read
[INFO] [stdout]    --> src/parser/mod.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |             initializer = Some(Box::new(Var::inferred(true, self.peek(), None)));
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `initializer` is assigned to, but never used
[INFO] [stdout]    --> src/parser/mod.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let mut initializer: Option<Box<dyn Stmt>> = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_initializer` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/util/error_formatter.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         code: &str, 
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `initializer` is never read
[INFO] [stdout]    --> src/parser/mod.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |             initializer = Some(Box::new(Var::inferred(true, self.peek(), None)));
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `go_back` and `synchronize` are never used
[INFO] [stdout]    --> src/parser/mod.rs:68:8
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Parser {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68  |     fn go_back(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     fn synchronize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/util/error_formatter.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         code: &str, 
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/util/error_formatter.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut err_fmt: ErrorHandler = ErrorHandler;
[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: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `go_back` and `synchronize` are never used
[INFO] [stdout]    --> src/parser/mod.rs:68:8
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Parser {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68  |     fn go_back(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     fn synchronize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "7d666541cb7d75fb528bdae0e872850c616b92fd7d240e053593bf064c29ca4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d666541cb7d75fb528bdae0e872850c616b92fd7d240e053593bf064c29ca4e", kill_on_drop: false }`
[INFO] [stdout] 7d666541cb7d75fb528bdae0e872850c616b92fd7d240e053593bf064c29ca4e