[INFO] cloning repository https://github.com/lions-language/rust-toy-language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lions-language/rust-toy-language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flions-language%2Frust-toy-language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flions-language%2Frust-toy-language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0683e3737381820766ac0fbbf785e8da430cd1d2
[INFO] checking lions-language/rust-toy-language against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flions-language%2Frust-toy-language" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lions-language/rust-toy-language
[INFO] finished tweaking git repo https://github.com/lions-language/rust-toy-language
[INFO] tweaked toml for git repo https://github.com/lions-language/rust-toy-language written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lions-language/rust-toy-language 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/lions-language/rust-toy-language 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro-error v1.0.4
[INFO] [stderr]       Adding proc-macro-error-attr v1.0.4
[INFO] [stderr]       Adding try_match v0.3.0 (available: v0.4.2)
[INFO] [stderr]       Adding try_match_inner v0.4.0
[INFO] [stderr]       Adding version_check v0.9.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 37d75fc2a15ecf521da43bd7cbf4b7516e9e62af9291898b27ff6aa457f214ea
[INFO] running `Command { std: "docker" "start" "-a" "37d75fc2a15ecf521da43bd7cbf4b7516e9e62af9291898b27ff6aa457f214ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d75fc2a15ecf521da43bd7cbf4b7516e9e62af9291898b27ff6aa457f214ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d75fc2a15ecf521da43bd7cbf4b7516e9e62af9291898b27ff6aa457f214ea", kill_on_drop: false }`
[INFO] [stdout] 37d75fc2a15ecf521da43bd7cbf4b7516e9e62af9291898b27ff6aa457f214ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f222162d53df2e91819fe90e59c643bb8070c7801446388a75862af7788548cd
[INFO] running `Command { std: "docker" "start" "-a" "f222162d53df2e91819fe90e59c643bb8070c7801446388a75862af7788548cd", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/src/utils)
[INFO] [stderr]     Checking lexical v0.1.0 (/opt/rustwide/workdir/src/lexical)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lexical/src/parser/from_string.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 '.' => self.consume_one_and_return(chars, Token::Period),
[INFO] [stdout]    |                 --- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 86 |                 '0'..='9' | '.' => {
[INFO] [stdout]    |                             ^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lexical/src/parser/from_string.rs:104:33
[INFO] [stdout]     |
[INFO] [stdout] 104 | ...                   let mut suffix = self.peeking_take_while(chars, |ch| self.is_char(ch));
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lexical/src/parser/from_string.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     let mut s = self.peeking_take_while(chars, |ch| ch != '"');
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils/src/cell/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[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: `super::*`
[INFO] [stdout]   --> src/lexical/src/token/token_reader.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use super::*;
[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: `std::ops::Deref`
[INFO] [stdout]  --> src/utils/src/cell/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lexical/src/parser/from_string.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 '.' => self.consume_one_and_return(chars, Token::Period),
[INFO] [stdout]    |                 --- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 86 |                 '0'..='9' | '.' => {
[INFO] [stdout]    |                             ^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lexical/src/parser/from_string.rs:104:33
[INFO] [stdout]     |
[INFO] [stdout] 104 | ...                   let mut suffix = self.peeking_take_while(chars, |ch| self.is_char(ch));
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lexical/src/parser/from_string.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     let mut s = self.peeking_take_while(chars, |ch| ch != '"');
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexical/src/token/token_reader.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut parser = FromString::new("int a = 1;".to_string());
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling enum-ordinalize v3.1.10
[INFO] [stderr]    Compiling try_match_inner v0.4.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling educe v0.4.18
[INFO] [stderr]     Checking try_match v0.3.0
[INFO] [stderr]     Checking grammar v0.1.0 (/opt/rustwide/workdir/src/grammar)
[INFO] [stdout] warning: unused imports: `Expr` and `SharedCell`
[INFO] [stdout]  --> src/grammar/src/parser/parser.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CustomTypeObjectDeclaration, DataType, Expr, ExprNode, FuncCall, FuncClassify, FuncNameType,
[INFO] [stdout]   |                                            ^^^^
[INFO] [stdout] 4 |     FunctionDef, FunctionType, Ident, IfStatement, ImplStatement, MethodDef, MethodType,
[INFO] [stdout] 5 |     PeriodAccess, ReturnStatement, SharedAstNode, SharedCell, SharedExpr, StructDef,
[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: `std::cell::RefCell`
[INFO] [stdout]  --> src/grammar/src/parser/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/grammar/src/parser/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/grammar/src/parser/scope.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/grammar/src/parser/symbol.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/grammar/src/parser/symbol.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SharedScope`
[INFO] [stdout]  --> src/grammar/src/parser/symbol.rs:5:69
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::{DataType, FunctionDef, MethodDef, Scope, SharedAstNode, SharedScope, StructDef};
[INFO] [stdout]   |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `try_match::try_match`
[INFO] [stdout]   --> src/grammar/src/parser/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use try_match::try_match;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromString`
[INFO] [stdout]  --> src/grammar/src/lib.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) use lexical::{FromString, Keyword, LexicalParser, Token, TokenReader, Word};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr` and `SharedCell`
[INFO] [stdout]  --> src/grammar/src/parser/parser.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CustomTypeObjectDeclaration, DataType, Expr, ExprNode, FuncCall, FuncClassify, FuncNameType,
[INFO] [stdout]   |                                            ^^^^
[INFO] [stdout] 4 |     FunctionDef, FunctionType, Ident, IfStatement, ImplStatement, MethodDef, MethodType,
[INFO] [stdout] 5 |     PeriodAccess, ReturnStatement, SharedAstNode, SharedCell, SharedExpr, StructDef,
[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: `std::cell::RefCell`
[INFO] [stdout]  --> src/grammar/src/parser/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/grammar/src/parser/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/grammar/src/parser/scope.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/grammar/src/parser/symbol.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/grammar/src/parser/symbol.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SharedScope`
[INFO] [stdout]  --> src/grammar/src/parser/symbol.rs:5:69
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::{DataType, FunctionDef, MethodDef, Scope, SharedAstNode, SharedScope, StructDef};
[INFO] [stdout]   |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `try_match::try_match`
[INFO] [stdout]   --> src/grammar/src/parser/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use try_match::try_match;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/grammar/src/parser/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/grammar/src/parser/scope.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 value,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             v => Ok(SharedAstNode::new_expr(self.parse_expr()?)),
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 value,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:535:17
[INFO] [stdout]     |
[INFO] [stdout] 535 |                 value,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_defs`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:559:9
[INFO] [stdout]     |
[INFO] [stdout] 559 |         variant_defs: Vec<VariantDef>,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_defs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_data_type`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:560:9
[INFO] [stdout]     |
[INFO] [stdout] 560 |         return_data_type: DataType,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_data_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:1014:13
[INFO] [stdout]      |
[INFO] [stdout] 1014 |             value,
[INFO] [stdout]      |             ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:15:17
[INFO] [stdout]      |
[INFO] [stdout]   15 |             let mut left_node = self.$next_func_name()?;
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 1052 |     binary_operator!(assignment, eq, Assignment);
[INFO] [stdout]      |     -------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]      = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:15:17
[INFO] [stdout]      |
[INFO] [stdout]   15 |             let mut left_node = self.$next_func_name()?;
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 1057 |     binary_operator!(eq, additive, Eq, Neq, Lt, Gt);
[INFO] [stdout]      |     ----------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:15:17
[INFO] [stdout]      |
[INFO] [stdout]   15 |             let mut left_node = self.$next_func_name()?;
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 1061 |     binary_operator!(additive, multiplicative, (Plus, Additive));
[INFO] [stdout]      |     ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:15:17
[INFO] [stdout]      |
[INFO] [stdout]   15 |             let mut left_node = self.$next_func_name()?;
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 1065 |     binary_operator!(multiplicative, not, (Mult, Multiplicative));
[INFO] [stdout]      |     ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:49:17
[INFO] [stdout]      |
[INFO] [stdout]   49 |                 other => {
[INFO] [stdout]      |                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1068 |     unary_prefix_operator!(not, primary, Not);
[INFO] [stdout]      |     ----------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout] help: `other` is captured in macro and introduced a unused variable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:49:17
[INFO] [stdout]      |
[INFO] [stdout]   49 |                 other => {
[INFO] [stdout]      |                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1068 |     unary_prefix_operator!(not, primary, Not);
[INFO] [stdout]      |     ----------------------------------------- in this macro invocation
[INFO] [stdout]      = note: this warning originates in the macro `unary_prefix_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:1076:25
[INFO] [stdout]      |
[INFO] [stdout] 1076 |                     Err(err) => {
[INFO] [stdout]      |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:1091:25
[INFO] [stdout]      |
[INFO] [stdout] 1091 |                     Err(err) => {
[INFO] [stdout]      |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:1217:13
[INFO] [stdout]      |
[INFO] [stdout] 1217 |         let mut parser = FromString::new(s.into());
[INFO] [stdout]      |             ----^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/grammar/src/parser/scope.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 |             |v| {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_def`
[INFO] [stdout]   --> src/grammar/src/parser/symbol.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         func_def: &FunctionDef,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_def`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_def`
[INFO] [stdout]   --> src/grammar/src/parser/symbol.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         func_def: &MethodDef,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_def`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_def`
[INFO] [stdout]    --> src/grammar/src/parser/symbol.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         struct_def: &StructDef,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_def`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]   --> src/grammar/src/parser/mod.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/grammar/src/parser/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LexicalParser`
[INFO] [stdout]  --> src/grammar/src/lib.rs:9:47
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) use lexical::{FromString, Keyword, LexicalParser, Token, TokenReader, Word};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/grammar/src/parser/scope.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:210:32
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:335:32
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 value,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             v => Ok(SharedAstNode::new_expr(self.parse_expr()?)),
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:374:32
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:393:32
[INFO] [stdout]     |
[INFO] [stdout] 393 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:407:32
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 value,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:445:32
[INFO] [stdout]     |
[INFO] [stdout] 445 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:496:32
[INFO] [stdout]     |
[INFO] [stdout] 496 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:511:32
[INFO] [stdout]     |
[INFO] [stdout] 511 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:545:13
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let mut expr = String::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:544:32
[INFO] [stdout]     |
[INFO] [stdout] 544 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:545:13
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let mut expr = String::new();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:557:13
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let mut expr = String::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:556:32
[INFO] [stdout]     |
[INFO] [stdout] 556 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:557:13
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let mut expr = String::new();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:535:17
[INFO] [stdout]     |
[INFO] [stdout] 535 |                 value,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_defs`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:559:9
[INFO] [stdout]     |
[INFO] [stdout] 559 |         variant_defs: Vec<VariantDef>,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_defs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:607:32
[INFO] [stdout]     |
[INFO] [stdout] 607 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:619:32
[INFO] [stdout]     |
[INFO] [stdout] 619 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_data_type`
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:560:9
[INFO] [stdout]     |
[INFO] [stdout] 560 |         return_data_type: DataType,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_data_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:654:28
[INFO] [stdout]     |
[INFO] [stdout] 654 |     fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:1014:13
[INFO] [stdout]      |
[INFO] [stdout] 1014 |             value,
[INFO] [stdout]      |             ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:15:17
[INFO] [stdout]      |
[INFO] [stdout]   15 |             let mut left_node = self.$next_func_name()?;
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 1052 |     binary_operator!(assignment, eq, Assignment);
[INFO] [stdout]      |     -------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]      = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:15:17
[INFO] [stdout]      |
[INFO] [stdout]   15 |             let mut left_node = self.$next_func_name()?;
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 1057 |     binary_operator!(eq, additive, Eq, Neq, Lt, Gt);
[INFO] [stdout]      |     ----------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:15:17
[INFO] [stdout]      |
[INFO] [stdout]   15 |             let mut left_node = self.$next_func_name()?;
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 1061 |     binary_operator!(additive, multiplicative, (Plus, Additive));
[INFO] [stdout]      |     ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:15:17
[INFO] [stdout]      |
[INFO] [stdout]   15 |             let mut left_node = self.$next_func_name()?;
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 1065 |     binary_operator!(multiplicative, not, (Mult, Multiplicative));
[INFO] [stdout]      |     ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:49:17
[INFO] [stdout]      |
[INFO] [stdout]   49 |                 other => {
[INFO] [stdout]      |                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1068 |     unary_prefix_operator!(not, primary, Not);
[INFO] [stdout]      |     ----------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout] help: `other` is captured in macro and introduced a unused variable
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:49:17
[INFO] [stdout]      |
[INFO] [stdout]   49 |                 other => {
[INFO] [stdout]      |                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1068 |     unary_prefix_operator!(not, primary, Not);
[INFO] [stdout]      |     ----------------------------------------- in this macro invocation
[INFO] [stdout]      = note: this warning originates in the macro `unary_prefix_operator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:1076:25
[INFO] [stdout]      |
[INFO] [stdout] 1076 |                     Err(err) => {
[INFO] [stdout]      |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]     --> src/grammar/src/parser/parser.rs:1091:25
[INFO] [stdout]      |
[INFO] [stdout] 1091 |                     Err(err) => {
[INFO] [stdout]      |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:720:13
[INFO] [stdout]     |
[INFO] [stdout] 714 |             Lt { left, right } => {
[INFO] [stdout]     |             ------------------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 720 |             Lt { left, right } => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:702:32
[INFO] [stdout]     |
[INFO] [stdout] 702 |     pub fn build_format(&self, mut level: usize, s: &mut String) {
[INFO] [stdout]     |                                ----^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/grammar/src/parser/scope.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 |             |v| {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:780:32
[INFO] [stdout]     |
[INFO] [stdout] 780 |     pub fn build_format(&self, mut level: usize, s: &mut String) {
[INFO] [stdout]     |                                ----^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_def`
[INFO] [stdout]   --> src/grammar/src/parser/symbol.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         func_def: &FunctionDef,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_def`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_def`
[INFO] [stdout]   --> src/grammar/src/parser/symbol.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         func_def: &MethodDef,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_def`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_def`
[INFO] [stdout]    --> src/grammar/src/parser/symbol.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         struct_def: &StructDef,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_def`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:900:32
[INFO] [stdout]     |
[INFO] [stdout] 900 |     pub fn build_format(&self, mut level: usize, s: &mut String) {
[INFO] [stdout]     |                                ----^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `identifier`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:907:17
[INFO] [stdout]     |
[INFO] [stdout] 907 |                 identifier,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `identifier: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]   --> src/grammar/src/parser/mod.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:909:17
[INFO] [stdout]     |
[INFO] [stdout] 909 |                 context,
[INFO] [stdout]     |                 ^^^^^^^ help: try ignoring the field: `context: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FunctionSign` is never used
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub trait FunctionSign {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedStructDef` is never constructed
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:459:12
[INFO] [stdout]     |
[INFO] [stdout] 459 | pub struct SharedStructDef(Rc<RefCell<StructDef>>);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/grammar/src/parser/ext.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     struct Student {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 66 |         id: String,
[INFO] [stdout] 67 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_nokeyword` is never used
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:421:8
[INFO] [stdout]     |
[INFO] [stdout]  75 | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 421 |     fn take_nokeyword(&mut self) -> GrammarResult<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ast_node` is never read
[INFO] [stdout]   --> src/grammar/src/parser/symbol.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Symbol {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     ast_node: SharedAstNode,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]  --> src/grammar/src/parser/typ.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Type {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:210:32
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:335:32
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:374:32
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:393:32
[INFO] [stdout]     |
[INFO] [stdout] 393 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:407:32
[INFO] [stdout]     |
[INFO] [stdout] 407 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `box_into_inner` is declared but not used
[INFO] [stdout]  --> src/grammar/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_into_inner)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:445:32
[INFO] [stdout]     |
[INFO] [stdout] 445 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:496:32
[INFO] [stdout]     |
[INFO] [stdout] 496 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:511:32
[INFO] [stdout]     |
[INFO] [stdout] 511 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:545:13
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let mut expr = String::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:544:32
[INFO] [stdout]     |
[INFO] [stdout] 544 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:545:13
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let mut expr = String::new();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:557:13
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let mut expr = String::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:556:32
[INFO] [stdout]     |
[INFO] [stdout] 556 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.16s
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:557:13
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let mut expr = String::new();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:607:32
[INFO] [stdout]     |
[INFO] [stdout] 607 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:619:32
[INFO] [stdout]     |
[INFO] [stdout] 619 |     pub fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:654:28
[INFO] [stdout]     |
[INFO] [stdout] 654 |     fn build_format(&self, level: usize, s: &mut String) {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:720:13
[INFO] [stdout]     |
[INFO] [stdout] 714 |             Lt { left, right } => {
[INFO] [stdout]     |             ------------------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 720 |             Lt { left, right } => {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:702:32
[INFO] [stdout]     |
[INFO] [stdout] 702 |     pub fn build_format(&self, mut level: usize, s: &mut String) {
[INFO] [stdout]     |                                ----^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:780:32
[INFO] [stdout]     |
[INFO] [stdout] 780 |     pub fn build_format(&self, mut level: usize, s: &mut String) {
[INFO] [stdout]     |                                ----^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:900:32
[INFO] [stdout]     |
[INFO] [stdout] 900 |     pub fn build_format(&self, mut level: usize, s: &mut String) {
[INFO] [stdout]     |                                ----^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `identifier`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:907:17
[INFO] [stdout]     |
[INFO] [stdout] 907 |                 identifier,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `identifier: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:909:17
[INFO] [stdout]     |
[INFO] [stdout] 909 |                 context,
[INFO] [stdout]     |                 ^^^^^^^ help: try ignoring the field: `context: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FunctionSign` is never used
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub trait FunctionSign {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedStructDef` is never constructed
[INFO] [stdout]    --> src/grammar/src/parser/mod.rs:459:12
[INFO] [stdout]     |
[INFO] [stdout] 459 | pub struct SharedStructDef(Rc<RefCell<StructDef>>);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_nokeyword` is never used
[INFO] [stdout]    --> src/grammar/src/parser/parser.rs:421:8
[INFO] [stdout]     |
[INFO] [stdout]  75 | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 421 |     fn take_nokeyword(&mut self) -> GrammarResult<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ast_node` is never read
[INFO] [stdout]   --> src/grammar/src/parser/symbol.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Symbol {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     ast_node: SharedAstNode,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]  --> src/grammar/src/parser/typ.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Type {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `box_into_inner` is declared but not used
[INFO] [stdout]  --> src/grammar/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_into_inner)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f222162d53df2e91819fe90e59c643bb8070c7801446388a75862af7788548cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f222162d53df2e91819fe90e59c643bb8070c7801446388a75862af7788548cd", kill_on_drop: false }`
[INFO] [stdout] f222162d53df2e91819fe90e59c643bb8070c7801446388a75862af7788548cd
