[INFO] cloning repository https://github.com/kernel32dev/noude-js
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kernel32dev/noude-js" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernel32dev%2Fnoude-js", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernel32dev%2Fnoude-js'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db2172d7ac32c27dbaa9b79db2b01eb2414dec45
[INFO] checking kernel32dev/noude-js against master#7c4ac0603e9ee5295bc802c90575391288a69a8a for pr-124728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernel32dev%2Fnoude-js" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kernel32dev/noude-js on toolchain 7c4ac0603e9ee5295bc802c90575391288a69a8a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kernel32dev/noude-js
[INFO] finished tweaking git repo https://github.com/kernel32dev/noude-js
[INFO] tweaked toml for git repo https://github.com/kernel32dev/noude-js written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kernel32dev/noude-js 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" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking kernel32dev/noude-js against try#98ebbae35138252af77610c20ea5a5e8bf68d639 for pr-124728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernel32dev%2Fnoude-js" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kernel32dev/noude-js on toolchain 98ebbae35138252af77610c20ea5a5e8bf68d639
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kernel32dev/noude-js
[INFO] finished tweaking git repo https://github.com/kernel32dev/noude-js
[INFO] tweaked toml for git repo https://github.com/kernel32dev/noude-js written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kernel32dev/noude-js 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" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfef0b0ed8c7603c3db4981f63cff742009a2b087b52e6daeb6ae09505fe3a49
[INFO] running `Command { std: "docker" "start" "-a" "dfef0b0ed8c7603c3db4981f63cff742009a2b087b52e6daeb6ae09505fe3a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfef0b0ed8c7603c3db4981f63cff742009a2b087b52e6daeb6ae09505fe3a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfef0b0ed8c7603c3db4981f63cff742009a2b087b52e6daeb6ae09505fe3a49", kill_on_drop: false }`
[INFO] [stdout] dfef0b0ed8c7603c3db4981f63cff742009a2b087b52e6daeb6ae09505fe3a49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 587dfdbd7c3e0d81150f5a3729682086f020b372ec22c00b3b06587503e3f8c1
[INFO] running `Command { std: "docker" "start" "-a" "587dfdbd7c3e0d81150f5a3729682086f020b372ec22c00b3b06587503e3f8c1", kill_on_drop: false }`
[INFO] [stderr]     Checking utf16_lit v2.0.2
[INFO] [stderr]     Checking noude v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/native.rs:104:34
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self, state: &mut State, memory: &Memory, this: Value, argc: usize,
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `this`
[INFO] [stdout]    --> src/native.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self, state: &mut State, memory: &Memory, this: Value, argc: usize,
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_this`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/native.rs:118:38
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn call_as_constructor(self, state: &mut State, memory: &Memory, argc: usize) -> Object {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/native.rs:118:57
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn call_as_constructor(self, state: &mut State, memory: &Memory, argc: usize) -> Object {
[INFO] [stdout]     |                                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/native.rs:118:74
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn call_as_constructor(self, state: &mut State, memory: &Memory, argc: usize) -> Object {
[INFO] [stdout]     |                                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/native.rs:104:34
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self, state: &mut State, memory: &Memory, this: Value, argc: usize,
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `this`
[INFO] [stdout]    --> src/native.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self, state: &mut State, memory: &Memory, this: Value, argc: usize,
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_this`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/native.rs:118:38
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn call_as_constructor(self, state: &mut State, memory: &Memory, argc: usize) -> Object {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/native.rs:118:57
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn call_as_constructor(self, state: &mut State, memory: &Memory, argc: usize) -> Object {
[INFO] [stdout]     |                                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/native.rs:118:74
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn call_as_constructor(self, state: &mut State, memory: &Memory, argc: usize) -> Object {
[INFO] [stdout]     |                                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `symbol_generator` is never read
[INFO] [stdout]    --> src/runtime.rs:339:5
[INFO] [stdout]     |
[INFO] [stdout] 338 | pub struct Memory {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 339 |     symbol_generator: Rc<atomic::AtomicI64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Memory` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/runtime.rs:478:13
[INFO] [stdout]     |
[INFO] [stdout] 478 |     Boolean(bool),
[INFO] [stdout]     |     ------- ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 478 |     Boolean(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/runtime.rs:479:13
[INFO] [stdout]     |
[INFO] [stdout] 479 |     Integer(i64),
[INFO] [stdout]     |     ------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 479 |     Integer(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/runtime.rs:480:11
[INFO] [stdout]     |
[INFO] [stdout] 480 |     Float(f64),
[INFO] [stdout]     |     ----- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 480 |     Float(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/runtime.rs:481:12
[INFO] [stdout]     |
[INFO] [stdout] 481 |     String(String),
[INFO] [stdout]     |     ------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 481 |     String(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/runtime.rs:482:12
[INFO] [stdout]     |
[INFO] [stdout] 482 |     Symbol(i64, String),
[INFO] [stdout]     |     ------ ^^^  ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 482 |     Symbol((), ()),
[INFO] [stdout]     |            ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_symbol_id` is never used
[INFO] [stdout]    --> src/runtime.rs:671:12
[INFO] [stdout]     |
[INFO] [stdout] 647 | impl Memory {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 671 |     pub fn generate_symbol_id(&mut self) -> i64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Symbol` is never constructed
[INFO] [stdout]   --> src/native.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |         pub enum Native {
[INFO] [stdout]    |                  ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     Symbol,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Native` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `enum_native` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_static_utf8` and `to_static_utf16` are never used
[INFO] [stdout]   --> src/native.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |           impl Native {
[INFO] [stdout]    |           ----------- methods in this implementation
[INFO] [stdout] 13 |               fn to_static_utf8(self) -> &'static str {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |               fn to_static_utf16(self) -> &'static [u16] {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 | / enum_native! {
[INFO] [stdout] 28 | |     Symbol,
[INFO] [stdout] 29 | |     ConsoleLog,
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `enum_native` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_key` is never used
[INFO] [stdout]   --> src/native.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl Native {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn to_key(self) -> Key {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/syntax.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Break(&'a src),
[INFO] [stdout]    |     ----- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Break(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/syntax.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Continue(&'a src),
[INFO] [stdout]    |     -------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Continue(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]   --> src/syntax.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ForExpr {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 63 |         src: &'a src,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]   --> src/syntax.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     ForVarDecl {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 70 |         src: &'a src,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/syntax.rs:88:10
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Case(&'a src, Expr<'a>),
[INFO] [stdout]    |     ---- ^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Case((), ()),
[INFO] [stdout]    |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/syntax.rs:89:11
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Throw(&'a src, Expr<'a>),
[INFO] [stdout]    |     ----- ^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Throw((), ()),
[INFO] [stdout]    |           ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/syntax.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Debugger(&'a src),
[INFO] [stdout]    |     -------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Debugger(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     Var(&'a src),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 110 |     Var(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Let(&'a src),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Let(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:112:11
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Const(&'a src),
[INFO] [stdout]     |     ----- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Const(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:140:14
[INFO] [stdout]     |
[INFO] [stdout] 140 |     Assignee(Assignee<'a>),
[INFO] [stdout]     |     -------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 140 |     Assignee(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/syntax.rs:164:20
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Array(&'a src, Vec<Assignee<'a>>),
[INFO] [stdout]     |     -----          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Array(&'a src, ()),
[INFO] [stdout]     |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/syntax.rs:166:21
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Object(&'a src, Vec<(&'a str, Assignee<'a>)>),
[INFO] [stdout]     |     ------          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Object(&'a src, ()),
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/syntax.rs:176:19
[INFO] [stdout]     |
[INFO] [stdout] 176 |     Rest(&'a src, Box<Assignee<'a>>),
[INFO] [stdout]     |     ----          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 176 |     Rest(&'a src, ()),
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:300:11
[INFO] [stdout]     |
[INFO] [stdout] 300 |     Power(&'a src),
[INFO] [stdout]     |     ----- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 300 |     Power(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:301:14
[INFO] [stdout]     |
[INFO] [stdout] 301 |     Multiply(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 301 |     Multiply(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:302:12
[INFO] [stdout]     |
[INFO] [stdout] 302 |     Divide(&'a src),
[INFO] [stdout]     |     ------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 302 |     Divide(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:303:15
[INFO] [stdout]     |
[INFO] [stdout] 303 |     Remainder(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 303 |     Remainder(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Add(&'a src),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Add(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:305:14
[INFO] [stdout]     |
[INFO] [stdout] 305 |     Subtract(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 305 |     Subtract(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:306:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |     BitwiseLeft(&'a src),
[INFO] [stdout]     |     ----------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 306 |     BitwiseLeft(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:307:18
[INFO] [stdout]     |
[INFO] [stdout] 307 |     BitwiseRight(&'a src),
[INFO] [stdout]     |     ------------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 307 |     BitwiseRight(()),
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:308:26
[INFO] [stdout]     |
[INFO] [stdout] 308 |     BitwiseRightUnsigned(&'a src),
[INFO] [stdout]     |     -------------------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 308 |     BitwiseRightUnsigned(()),
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:309:10
[INFO] [stdout]     |
[INFO] [stdout] 309 |     Less(&'a src),
[INFO] [stdout]     |     ---- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 309 |     Less(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:310:15
[INFO] [stdout]     |
[INFO] [stdout] 310 |     LessEqual(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 310 |     LessEqual(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:311:13
[INFO] [stdout]     |
[INFO] [stdout] 311 |     Greater(&'a src),
[INFO] [stdout]     |     ------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 311 |     Greater(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:312:18
[INFO] [stdout]     |
[INFO] [stdout] 312 |     GreaterEqual(&'a src),
[INFO] [stdout]     |     ------------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 312 |     GreaterEqual(()),
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:313:8
[INFO] [stdout]     |
[INFO] [stdout] 313 |     In(&'a src),
[INFO] [stdout]     |     -- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 313 |     In(()),
[INFO] [stdout]     |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:314:16
[INFO] [stdout]     |
[INFO] [stdout] 314 |     InstanceOf(&'a src),
[INFO] [stdout]     |     ---------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 314 |     InstanceOf(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:315:11
[INFO] [stdout]     |
[INFO] [stdout] 315 |     Equal(&'a src),
[INFO] [stdout]     |     ----- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 315 |     Equal(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:316:14
[INFO] [stdout]     |
[INFO] [stdout] 316 |     NotEqual(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 316 |     NotEqual(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:317:15
[INFO] [stdout]     |
[INFO] [stdout] 317 |     Identical(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 317 |     Identical(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:318:18
[INFO] [stdout]     |
[INFO] [stdout] 318 |     NotIdentical(&'a src),
[INFO] [stdout]     |     ------------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 318 |     NotIdentical(()),
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:319:16
[INFO] [stdout]     |
[INFO] [stdout] 319 |     BitwiseAnd(&'a src),
[INFO] [stdout]     |     ---------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 319 |     BitwiseAnd(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:320:16
[INFO] [stdout]     |
[INFO] [stdout] 320 |     BitwiseXor(&'a src),
[INFO] [stdout]     |     ---------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 320 |     BitwiseXor(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:321:15
[INFO] [stdout]     |
[INFO] [stdout] 321 |     BitwiseOr(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 321 |     BitwiseOr(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |     And(&'a src),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 322 |     And(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 |     Or(&'a src),
[INFO] [stdout]     |     -- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 323 |     Or(()),
[INFO] [stdout]     |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:324:14
[INFO] [stdout]     |
[INFO] [stdout] 324 |     Coalesce(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 324 |     Coalesce(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |     TernaryQuestion(&'a src),
[INFO] [stdout]     |     --------------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 325 |     TernaryQuestion(()),
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 326 |     TernaryAnswer(&'a src),
[INFO] [stdout]     |     ------------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 326 |     TernaryAnswer(()),
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:327:12
[INFO] [stdout]     |
[INFO] [stdout] 327 |     Assign(&'a src),
[INFO] [stdout]     |     ------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 327 |     Assign(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:329:11
[INFO] [stdout]     |
[INFO] [stdout] 329 |     Comma(&'a src),
[INFO] [stdout]     |     ----- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 329 |     Comma(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:335:11
[INFO] [stdout]     |
[INFO] [stdout] 335 |     Power(&'a src),
[INFO] [stdout]     |     ----- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 335 |     Power(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     Add(&'a src),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 336 |     Add(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:337:14
[INFO] [stdout]     |
[INFO] [stdout] 337 |     Subtract(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 337 |     Subtract(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:338:14
[INFO] [stdout]     |
[INFO] [stdout] 338 |     Multiply(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 338 |     Multiply(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:339:12
[INFO] [stdout]     |
[INFO] [stdout] 339 |     Divide(&'a src),
[INFO] [stdout]     |     ------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 339 |     Divide(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:340:15
[INFO] [stdout]     |
[INFO] [stdout] 340 |     Remainder(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 340 |     Remainder(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |     BitwiseLeft(&'a src),
[INFO] [stdout]     |     ----------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 341 |     BitwiseLeft(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:342:18
[INFO] [stdout]     |
[INFO] [stdout] 342 |     BitwiseRight(&'a src),
[INFO] [stdout]     |     ------------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 342 |     BitwiseRight(()),
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:343:26
[INFO] [stdout]     |
[INFO] [stdout] 343 |     BitwiseRightUnsigned(&'a src),
[INFO] [stdout]     |     -------------------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 343 |     BitwiseRightUnsigned(()),
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:344:16
[INFO] [stdout]     |
[INFO] [stdout] 344 |     BitwiseAnd(&'a src),
[INFO] [stdout]     |     ---------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 344 |     BitwiseAnd(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:345:16
[INFO] [stdout]     |
[INFO] [stdout] 345 |     BitwiseXor(&'a src),
[INFO] [stdout]     |     ---------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 345 |     BitwiseXor(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:346:15
[INFO] [stdout]     |
[INFO] [stdout] 346 |     BitwiseOr(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 346 |     BitwiseOr(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:347:14
[INFO] [stdout]     |
[INFO] [stdout] 347 |     Coalesce(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 347 |     Coalesce(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src` and `desc` are never read
[INFO] [stdout]   --> src/utils.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct CompError<'a> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     /// a fonte do erro, uma referência ao código
[INFO] [stdout] 11 |     pub src: &'a str,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 12 |     /// a descrição do erro, como muitos errps tem mensagens fixas, usamos um Cow
[INFO] [stdout] 13 |     pub desc: Cow<'static, str>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompError` 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: 72 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `symbol_generator` is never read
[INFO] [stdout]    --> src/runtime.rs:339:5
[INFO] [stdout]     |
[INFO] [stdout] 338 | pub struct Memory {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 339 |     symbol_generator: Rc<atomic::AtomicI64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Memory` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/runtime.rs:478:13
[INFO] [stdout]     |
[INFO] [stdout] 478 |     Boolean(bool),
[INFO] [stdout]     |     ------- ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 478 |     Boolean(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/runtime.rs:479:13
[INFO] [stdout]     |
[INFO] [stdout] 479 |     Integer(i64),
[INFO] [stdout]     |     ------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 479 |     Integer(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/runtime.rs:480:11
[INFO] [stdout]     |
[INFO] [stdout] 480 |     Float(f64),
[INFO] [stdout]     |     ----- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 480 |     Float(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/runtime.rs:481:12
[INFO] [stdout]     |
[INFO] [stdout] 481 |     String(String),
[INFO] [stdout]     |     ------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 481 |     String(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/runtime.rs:482:12
[INFO] [stdout]     |
[INFO] [stdout] 482 |     Symbol(i64, String),
[INFO] [stdout]     |     ------ ^^^  ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 482 |     Symbol((), ()),
[INFO] [stdout]     |            ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_symbol_id` is never used
[INFO] [stdout]    --> src/runtime.rs:671:12
[INFO] [stdout]     |
[INFO] [stdout] 647 | impl Memory {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 671 |     pub fn generate_symbol_id(&mut self) -> i64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Symbol` is never constructed
[INFO] [stdout]   --> src/native.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |         pub enum Native {
[INFO] [stdout]    |                  ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     Symbol,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Native` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `enum_native` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_static_utf8` and `to_static_utf16` are never used
[INFO] [stdout]   --> src/native.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |           impl Native {
[INFO] [stdout]    |           ----------- methods in this implementation
[INFO] [stdout] 13 |               fn to_static_utf8(self) -> &'static str {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |               fn to_static_utf16(self) -> &'static [u16] {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 | / enum_native! {
[INFO] [stdout] 28 | |     Symbol,
[INFO] [stdout] 29 | |     ConsoleLog,
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `enum_native` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_key` is never used
[INFO] [stdout]   --> src/native.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl Native {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn to_key(self) -> Key {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/syntax.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Break(&'a src),
[INFO] [stdout]    |     ----- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Break(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/syntax.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Continue(&'a src),
[INFO] [stdout]    |     -------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Continue(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]   --> src/syntax.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ForExpr {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 63 |         src: &'a src,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]   --> src/syntax.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     ForVarDecl {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 70 |         src: &'a src,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/syntax.rs:88:10
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Case(&'a src, Expr<'a>),
[INFO] [stdout]    |     ---- ^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Case((), ()),
[INFO] [stdout]    |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/syntax.rs:89:11
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Throw(&'a src, Expr<'a>),
[INFO] [stdout]    |     ----- ^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Throw((), ()),
[INFO] [stdout]    |           ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/syntax.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Debugger(&'a src),
[INFO] [stdout]    |     -------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Debugger(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     Var(&'a src),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 110 |     Var(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Let(&'a src),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Let(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:112:11
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Const(&'a src),
[INFO] [stdout]     |     ----- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Const(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:140:14
[INFO] [stdout]     |
[INFO] [stdout] 140 |     Assignee(Assignee<'a>),
[INFO] [stdout]     |     -------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 140 |     Assignee(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/syntax.rs:164:20
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Array(&'a src, Vec<Assignee<'a>>),
[INFO] [stdout]     |     -----          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Array(&'a src, ()),
[INFO] [stdout]     |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/syntax.rs:166:21
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Object(&'a src, Vec<(&'a str, Assignee<'a>)>),
[INFO] [stdout]     |     ------          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Object(&'a src, ()),
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/syntax.rs:176:19
[INFO] [stdout]     |
[INFO] [stdout] 176 |     Rest(&'a src, Box<Assignee<'a>>),
[INFO] [stdout]     |     ----          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 176 |     Rest(&'a src, ()),
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:300:11
[INFO] [stdout]     |
[INFO] [stdout] 300 |     Power(&'a src),
[INFO] [stdout]     |     ----- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 300 |     Power(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:301:14
[INFO] [stdout]     |
[INFO] [stdout] 301 |     Multiply(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 301 |     Multiply(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:302:12
[INFO] [stdout]     |
[INFO] [stdout] 302 |     Divide(&'a src),
[INFO] [stdout]     |     ------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 302 |     Divide(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:303:15
[INFO] [stdout]     |
[INFO] [stdout] 303 |     Remainder(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 303 |     Remainder(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Add(&'a src),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Add(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:305:14
[INFO] [stdout]     |
[INFO] [stdout] 305 |     Subtract(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 305 |     Subtract(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:306:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |     BitwiseLeft(&'a src),
[INFO] [stdout]     |     ----------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 306 |     BitwiseLeft(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:307:18
[INFO] [stdout]     |
[INFO] [stdout] 307 |     BitwiseRight(&'a src),
[INFO] [stdout]     |     ------------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 307 |     BitwiseRight(()),
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:308:26
[INFO] [stdout]     |
[INFO] [stdout] 308 |     BitwiseRightUnsigned(&'a src),
[INFO] [stdout]     |     -------------------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 308 |     BitwiseRightUnsigned(()),
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:309:10
[INFO] [stdout]     |
[INFO] [stdout] 309 |     Less(&'a src),
[INFO] [stdout]     |     ---- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 309 |     Less(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:310:15
[INFO] [stdout]     |
[INFO] [stdout] 310 |     LessEqual(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 310 |     LessEqual(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:311:13
[INFO] [stdout]     |
[INFO] [stdout] 311 |     Greater(&'a src),
[INFO] [stdout]     |     ------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 311 |     Greater(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:312:18
[INFO] [stdout]     |
[INFO] [stdout] 312 |     GreaterEqual(&'a src),
[INFO] [stdout]     |     ------------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 312 |     GreaterEqual(()),
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:313:8
[INFO] [stdout]     |
[INFO] [stdout] 313 |     In(&'a src),
[INFO] [stdout]     |     -- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 313 |     In(()),
[INFO] [stdout]     |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:314:16
[INFO] [stdout]     |
[INFO] [stdout] 314 |     InstanceOf(&'a src),
[INFO] [stdout]     |     ---------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 314 |     InstanceOf(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:315:11
[INFO] [stdout]     |
[INFO] [stdout] 315 |     Equal(&'a src),
[INFO] [stdout]     |     ----- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 315 |     Equal(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:316:14
[INFO] [stdout]     |
[INFO] [stdout] 316 |     NotEqual(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 316 |     NotEqual(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:317:15
[INFO] [stdout]     |
[INFO] [stdout] 317 |     Identical(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 317 |     Identical(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:318:18
[INFO] [stdout]     |
[INFO] [stdout] 318 |     NotIdentical(&'a src),
[INFO] [stdout]     |     ------------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 318 |     NotIdentical(()),
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:319:16
[INFO] [stdout]     |
[INFO] [stdout] 319 |     BitwiseAnd(&'a src),
[INFO] [stdout]     |     ---------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 319 |     BitwiseAnd(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:320:16
[INFO] [stdout]     |
[INFO] [stdout] 320 |     BitwiseXor(&'a src),
[INFO] [stdout]     |     ---------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 320 |     BitwiseXor(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:321:15
[INFO] [stdout]     |
[INFO] [stdout] 321 |     BitwiseOr(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 321 |     BitwiseOr(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |     And(&'a src),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 322 |     And(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 |     Or(&'a src),
[INFO] [stdout]     |     -- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 323 |     Or(()),
[INFO] [stdout]     |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:324:14
[INFO] [stdout]     |
[INFO] [stdout] 324 |     Coalesce(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 324 |     Coalesce(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |     TernaryQuestion(&'a src),
[INFO] [stdout]     |     --------------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 325 |     TernaryQuestion(()),
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 326 |     TernaryAnswer(&'a src),
[INFO] [stdout]     |     ------------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 326 |     TernaryAnswer(()),
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:327:12
[INFO] [stdout]     |
[INFO] [stdout] 327 |     Assign(&'a src),
[INFO] [stdout]     |     ------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 327 |     Assign(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:329:11
[INFO] [stdout]     |
[INFO] [stdout] 329 |     Comma(&'a src),
[INFO] [stdout]     |     ----- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 329 |     Comma(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:335:11
[INFO] [stdout]     |
[INFO] [stdout] 335 |     Power(&'a src),
[INFO] [stdout]     |     ----- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 335 |     Power(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     Add(&'a src),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 336 |     Add(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:337:14
[INFO] [stdout]     |
[INFO] [stdout] 337 |     Subtract(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 337 |     Subtract(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:338:14
[INFO] [stdout]     |
[INFO] [stdout] 338 |     Multiply(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 338 |     Multiply(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:339:12
[INFO] [stdout]     |
[INFO] [stdout] 339 |     Divide(&'a src),
[INFO] [stdout]     |     ------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 339 |     Divide(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:340:15
[INFO] [stdout]     |
[INFO] [stdout] 340 |     Remainder(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 340 |     Remainder(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |     BitwiseLeft(&'a src),
[INFO] [stdout]     |     ----------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 341 |     BitwiseLeft(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:342:18
[INFO] [stdout]     |
[INFO] [stdout] 342 |     BitwiseRight(&'a src),
[INFO] [stdout]     |     ------------ ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 342 |     BitwiseRight(()),
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:343:26
[INFO] [stdout]     |
[INFO] [stdout] 343 |     BitwiseRightUnsigned(&'a src),
[INFO] [stdout]     |     -------------------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 343 |     BitwiseRightUnsigned(()),
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:344:16
[INFO] [stdout]     |
[INFO] [stdout] 344 |     BitwiseAnd(&'a src),
[INFO] [stdout]     |     ---------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 344 |     BitwiseAnd(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:345:16
[INFO] [stdout]     |
[INFO] [stdout] 345 |     BitwiseXor(&'a src),
[INFO] [stdout]     |     ---------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 345 |     BitwiseXor(()),
[INFO] [stdout]     |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:346:15
[INFO] [stdout]     |
[INFO] [stdout] 346 |     BitwiseOr(&'a src),
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 346 |     BitwiseOr(()),
[INFO] [stdout]     |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:347:14
[INFO] [stdout]     |
[INFO] [stdout] 347 |     Coalesce(&'a src),
[INFO] [stdout]     |     -------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 347 |     Coalesce(()),
[INFO] [stdout]     |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src` and `desc` are never read
[INFO] [stdout]   --> src/utils.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct CompError<'a> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     /// a fonte do erro, uma referência ao código
[INFO] [stdout] 11 |     pub src: &'a str,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 12 |     /// a descrição do erro, como muitos errps tem mensagens fixas, usamos um Cow
[INFO] [stdout] 13 |     pub desc: Cow<'static, str>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompError` 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: 72 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "587dfdbd7c3e0d81150f5a3729682086f020b372ec22c00b3b06587503e3f8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587dfdbd7c3e0d81150f5a3729682086f020b372ec22c00b3b06587503e3f8c1", kill_on_drop: false }`
[INFO] [stdout] 587dfdbd7c3e0d81150f5a3729682086f020b372ec22c00b3b06587503e3f8c1