[INFO] cloning repository https://github.com/neverRare/butter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neverRare/butter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FneverRare%2Fbutter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FneverRare%2Fbutter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d4ab2c611f6d388e4b5ea85683dd3b7204e6dae
[INFO] checking neverRare/butter against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FneverRare%2Fbutter" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neverRare/butter on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neverRare/butter
[INFO] finished tweaking git repo https://github.com/neverRare/butter
[INFO] tweaked toml for git repo https://github.com/neverRare/butter written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/neverRare/butter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85fb2338e671160a0144844f65cc523dabdf4bc5cc0156de5543445ff8072af2
[INFO] running `Command { std: "docker" "start" "-a" "85fb2338e671160a0144844f65cc523dabdf4bc5cc0156de5543445ff8072af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85fb2338e671160a0144844f65cc523dabdf4bc5cc0156de5543445ff8072af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fb2338e671160a0144844f65cc523dabdf4bc5cc0156de5543445ff8072af2", kill_on_drop: false }`
[INFO] [stdout] 85fb2338e671160a0144844f65cc523dabdf4bc5cc0156de5543445ff8072af2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7926e60bb2e2b82358f4f8f487b8851a8f236fbea2de519d7c27eb0b68db8a9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7926e60bb2e2b82358f4f8f487b8851a8f236fbea2de519d7c27eb0b68db8a9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> util/src/parser.rs:67:36
[INFO] [stdout]    |
[INFO] [stdout] 67 |         fn prefix_parse(&mut self, kind: &Self::Kind) -> Self::Ast {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> util/src/parser.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             kind: &Self::Kind,
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> util/src/parser.rs:109:49
[INFO] [stdout]     |
[INFO] [stdout] 109 |         fn infix_precedence(infix: &Self::Item, kind: &Self::Kind) -> Option<u32> {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking butter_core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> core/src/parser/block.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(super) fn block_rest<'a>(parser: &mut Parser<'a>, left_bracket_span: &'a str) -> AstResult<'a> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_bracket_span`
[INFO] [stdout]   --> core/src/parser/block.rs:11:55
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(super) fn block_rest<'a>(parser: &mut Parser<'a>, left_bracket_span: &'a str) -> AstResult<'a> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_bracket_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Element`
[INFO] [stdout]  --> core/src/ast/expr/compound.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Element(Expr<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Splat`
[INFO] [stdout]   --> core/src/ast/expr/compound.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Splat(Expr<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Named`
[INFO] [stdout]   --> core/src/ast/expr/compound.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Named(Struct<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unnamed`
[INFO] [stdout]   --> core/src/ast/expr/compound.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Unnamed(Vec<Expr<'a>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> core/src/ast/expr/control_flow.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Else`
[INFO] [stdout]   --> core/src/ast/expr/control_flow.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Else(Block<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ElseIf`
[INFO] [stdout]   --> core/src/ast/expr/control_flow.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     ElseIf(Box<If<'a>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]  --> core/src/ast/expr/operator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Plus,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]  --> core/src/ast/expr/operator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Minus,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ref`
[INFO] [stdout]  --> core/src/ast/expr/operator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Ref,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Not,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Clone`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Clone,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Multiply`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Multiply,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FloorDiv`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     FloorDiv,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mod`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Mod,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `And`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LazyAnd`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     LazyAnd,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LazyOr`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     LazyOr,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equal`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotEqual`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     NotEqual,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Greater`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Greater,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GreaterEqual`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     GreaterEqual,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Less`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Less,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessEqual`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     LessEqual,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Concatenate`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Concatenate,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NullOr`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     NullOr,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Assign`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Assign,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoBound`
[INFO] [stdout]  --> core/src/ast/expr/range.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     NoBound,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Inclusive`
[INFO] [stdout]  --> core/src/ast/expr/range.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Inclusive(Box<Expr<'a>>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Exclusive`
[INFO] [stdout]  --> core/src/ast/expr/range.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Exclusive(Box<Expr<'a>>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]   --> core/src/ast/expr.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]   --> core/src/ast/expr.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> core/src/ast/expr.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ident`
[INFO] [stdout]   --> core/src/ast/expr.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Ident(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Char`
[INFO] [stdout]   --> core/src/ast/expr.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Char(u8),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> core/src/ast/expr.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Str(Vec<u8>),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UInt`
[INFO] [stdout]   --> core/src/ast/expr.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     UInt(u64),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> core/src/ast/expr.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]   --> core/src/ast/expr.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Break(Break<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Continue`
[INFO] [stdout]   --> core/src/ast/expr.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Continue(Continue<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]   --> core/src/ast/expr.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Return(Return<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unary`
[INFO] [stdout]   --> core/src/ast/expr.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Unary(UnaryExpr<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Binary`
[INFO] [stdout]   --> core/src/ast/expr.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Binary(BinaryExpr<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> core/src/ast/expr.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Array(Array<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ArrayRange`
[INFO] [stdout]   --> core/src/ast/expr.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ArrayRange(Range<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Struct`
[INFO] [stdout]   --> core/src/ast/expr.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Struct(Struct<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Property`
[INFO] [stdout]   --> core/src/ast/expr.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Property(Property<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OptionalProperty`
[INFO] [stdout]   --> core/src/ast/expr.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     OptionalProperty(Property<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Slice`
[INFO] [stdout]   --> core/src/ast/expr.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Slice(Slice<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OptionalSlice`
[INFO] [stdout]   --> core/src/ast/expr.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     OptionalSlice(Slice<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> core/src/ast/expr.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Call(Call<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Block`
[INFO] [stdout]   --> core/src/ast/expr.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Block(Block<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fun`
[INFO] [stdout]   --> core/src/ast/expr.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Fun(Fun<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]   --> core/src/ast/expr.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     If(If<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `For`
[INFO] [stdout]   --> core/src/ast/expr.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     For(For<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `While`
[INFO] [stdout]   --> core/src/ast/expr.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     While(While<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Loop`
[INFO] [stdout]   --> core/src/ast/expr.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Loop(Block<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ignore`
[INFO] [stdout]  --> core/src/ast/pattern.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Ignore,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ident`
[INFO] [stdout]  --> core/src/ast/pattern.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Ident(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Struct`
[INFO] [stdout]  --> core/src/ast/pattern.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Struct(StructPattern<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]  --> core/src/ast/pattern.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Array(ArrayPattern<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ArrayWithRest`
[INFO] [stdout]  --> core/src/ast/pattern.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ArrayWithRest(ArrayWithRest<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Declare`
[INFO] [stdout]  --> core/src/ast/statement.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Declare(Declare<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FunDeclare`
[INFO] [stdout]  --> core/src/ast/statement.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     FunDeclare(FunDeclare<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expr`
[INFO] [stdout]   --> core/src/ast/statement.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Expr(ExprType<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parser`
[INFO] [stdout]   --> core/src/parser/block.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     parser: &'b mut Parser<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `semicolon`
[INFO] [stdout]   --> core/src/parser/block.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub(super) semicolon: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `resumable`
[INFO] [stdout]   --> core/src/parser/block.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     resumable: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Declare`
[INFO] [stdout]   --> core/src/parser/node_type.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Declare,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FunDeclare`
[INFO] [stdout]   --> core/src/parser/node_type.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     FunDeclare,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Block`
[INFO] [stdout]   --> core/src/parser/node_type.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Block,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlockWithExpr`
[INFO] [stdout]   --> core/src/parser/node_type.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     BlockWithExpr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> core/src/parser.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn new(src: &'a str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ident_or_keyword`
[INFO] [stdout]  --> core/src/parser_2/ident_keyword.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn ident_or_keyword<'a, I>() -> impl Parser<I, Output = &'a str>
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `keyword`
[INFO] [stdout]   --> core/src/parser_2/ident_keyword.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn keyword<'a, I>(keyword: &'static str) -> impl Parser<I, Output = &'a str>
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ident`
[INFO] [stdout]   --> core/src/parser_2/ident_keyword.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn ident<'a, I>() -> impl Parser<I, Output = &'a str>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comment`
[INFO] [stdout]  --> core/src/parser_2.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn comment<'a, I>() -> impl Parser<I, Output = &'a str>
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> core/src/parser/block.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(super) fn block_rest<'a>(parser: &mut Parser<'a>, left_bracket_span: &'a str) -> AstResult<'a> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_bracket_span`
[INFO] [stdout]   --> core/src/parser/block.rs:11:55
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(super) fn block_rest<'a>(parser: &mut Parser<'a>, left_bracket_span: &'a str) -> AstResult<'a> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_bracket_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 83 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Element`
[INFO] [stdout]  --> core/src/ast/expr/compound.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Element(Expr<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Splat`
[INFO] [stdout]   --> core/src/ast/expr/compound.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Splat(Expr<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Named`
[INFO] [stdout]   --> core/src/ast/expr/compound.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Named(Struct<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unnamed`
[INFO] [stdout]   --> core/src/ast/expr/compound.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Unnamed(Vec<Expr<'a>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> core/src/ast/expr/control_flow.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Else`
[INFO] [stdout]   --> core/src/ast/expr/control_flow.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Else(Block<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ElseIf`
[INFO] [stdout]   --> core/src/ast/expr/control_flow.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     ElseIf(Box<If<'a>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]  --> core/src/ast/expr/operator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Plus,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]  --> core/src/ast/expr/operator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Minus,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ref`
[INFO] [stdout]  --> core/src/ast/expr/operator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Ref,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Not,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Clone`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Clone,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Multiply`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Multiply,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FloorDiv`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     FloorDiv,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mod`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Mod,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `And`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LazyAnd`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     LazyAnd,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LazyOr`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     LazyOr,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equal`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotEqual`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     NotEqual,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Greater`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Greater,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GreaterEqual`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     GreaterEqual,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Less`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Less,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessEqual`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     LessEqual,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Concatenate`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Concatenate,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NullOr`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     NullOr,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Assign`
[INFO] [stdout]   --> core/src/ast/expr/operator.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Assign,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoBound`
[INFO] [stdout]  --> core/src/ast/expr/range.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     NoBound,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Inclusive`
[INFO] [stdout]  --> core/src/ast/expr/range.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Inclusive(Box<Expr<'a>>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Exclusive`
[INFO] [stdout]  --> core/src/ast/expr/range.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Exclusive(Box<Expr<'a>>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]   --> core/src/ast/expr.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]   --> core/src/ast/expr.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> core/src/ast/expr.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ident`
[INFO] [stdout]   --> core/src/ast/expr.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Ident(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Char`
[INFO] [stdout]   --> core/src/ast/expr.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Char(u8),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> core/src/ast/expr.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Str(Vec<u8>),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UInt`
[INFO] [stdout]   --> core/src/ast/expr.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     UInt(u64),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> core/src/ast/expr.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]   --> core/src/ast/expr.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Break(Break<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Continue`
[INFO] [stdout]   --> core/src/ast/expr.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Continue(Continue<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]   --> core/src/ast/expr.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Return(Return<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unary`
[INFO] [stdout]   --> core/src/ast/expr.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Unary(UnaryExpr<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Binary`
[INFO] [stdout]   --> core/src/ast/expr.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Binary(BinaryExpr<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> core/src/ast/expr.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Array(Array<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ArrayRange`
[INFO] [stdout]   --> core/src/ast/expr.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ArrayRange(Range<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Struct`
[INFO] [stdout]   --> core/src/ast/expr.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Struct(Struct<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Property`
[INFO] [stdout]   --> core/src/ast/expr.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Property(Property<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OptionalProperty`
[INFO] [stdout]   --> core/src/ast/expr.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     OptionalProperty(Property<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Slice`
[INFO] [stdout]   --> core/src/ast/expr.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Slice(Slice<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OptionalSlice`
[INFO] [stdout]   --> core/src/ast/expr.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     OptionalSlice(Slice<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> core/src/ast/expr.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Call(Call<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Block`
[INFO] [stdout]   --> core/src/ast/expr.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Block(Block<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fun`
[INFO] [stdout]   --> core/src/ast/expr.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Fun(Fun<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]   --> core/src/ast/expr.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     If(If<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `For`
[INFO] [stdout]   --> core/src/ast/expr.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     For(For<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `While`
[INFO] [stdout]   --> core/src/ast/expr.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     While(While<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Loop`
[INFO] [stdout]   --> core/src/ast/expr.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Loop(Block<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ignore`
[INFO] [stdout]  --> core/src/ast/pattern.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Ignore,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ident`
[INFO] [stdout]  --> core/src/ast/pattern.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Ident(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Struct`
[INFO] [stdout]  --> core/src/ast/pattern.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Struct(StructPattern<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]  --> core/src/ast/pattern.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Array(ArrayPattern<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ArrayWithRest`
[INFO] [stdout]  --> core/src/ast/pattern.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ArrayWithRest(ArrayWithRest<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Declare`
[INFO] [stdout]  --> core/src/ast/statement.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Declare(Declare<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FunDeclare`
[INFO] [stdout]  --> core/src/ast/statement.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     FunDeclare(FunDeclare<'a>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expr`
[INFO] [stdout]   --> core/src/ast/statement.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Expr(ExprType<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parser`
[INFO] [stdout]   --> core/src/parser/block.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     parser: &'b mut Parser<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `semicolon`
[INFO] [stdout]   --> core/src/parser/block.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub(super) semicolon: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `resumable`
[INFO] [stdout]   --> core/src/parser/block.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     resumable: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Declare`
[INFO] [stdout]   --> core/src/parser/node_type.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Declare,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FunDeclare`
[INFO] [stdout]   --> core/src/parser/node_type.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     FunDeclare,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Block`
[INFO] [stdout]   --> core/src/parser/node_type.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Block,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlockWithExpr`
[INFO] [stdout]   --> core/src/parser/node_type.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     BlockWithExpr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> core/src/parser.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn new(src: &'a str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ident_or_keyword`
[INFO] [stdout]  --> core/src/parser_2/ident_keyword.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn ident_or_keyword<'a, I>() -> impl Parser<I, Output = &'a str>
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `keyword`
[INFO] [stdout]   --> core/src/parser_2/ident_keyword.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn keyword<'a, I>(keyword: &'static str) -> impl Parser<I, Output = &'a str>
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ident`
[INFO] [stdout]   --> core/src/parser_2/ident_keyword.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn ident<'a, I>() -> impl Parser<I, Output = &'a str>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comment`
[INFO] [stdout]  --> core/src/parser_2.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn comment<'a, I>() -> impl Parser<I, Output = &'a str>
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 83 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.52s
[INFO] running `Command { std: "docker" "inspect" "7926e60bb2e2b82358f4f8f487b8851a8f236fbea2de519d7c27eb0b68db8a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7926e60bb2e2b82358f4f8f487b8851a8f236fbea2de519d7c27eb0b68db8a9c", kill_on_drop: false }`
[INFO] [stdout] 7926e60bb2e2b82358f4f8f487b8851a8f236fbea2de519d7c27eb0b68db8a9c