[INFO] fetching crate chip_lox_lang 0.2.0...
[INFO] checking chip_lox_lang-0.2.0 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate chip_lox_lang 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate chip_lox_lang 0.2.0 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate chip_lox_lang 0.2.0
[INFO] finished tweaking crates.io crate chip_lox_lang 0.2.0
[INFO] tweaked toml for crates.io crate chip_lox_lang 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate chip_lox_lang 0.2.0 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" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e9b9cd3308618a84cf8f29e453c933210b086c2bdad1d08038d7a622b32d600
[INFO] running `Command { std: "docker" "start" "-a" "7e9b9cd3308618a84cf8f29e453c933210b086c2bdad1d08038d7a622b32d600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e9b9cd3308618a84cf8f29e453c933210b086c2bdad1d08038d7a622b32d600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9b9cd3308618a84cf8f29e453c933210b086c2bdad1d08038d7a622b32d600", kill_on_drop: false }`
[INFO] [stdout] 7e9b9cd3308618a84cf8f29e453c933210b086c2bdad1d08038d7a622b32d600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Token`, `Unknown`
[INFO] [stdout]  --> src/lang/syntax/trees/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lang::tokens::{Token, Tokens, Unknown};
[INFO] [stdout]   |                           ^^^^^          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Token`, `Unknown`
[INFO] [stdout]  --> src/lang/syntax/trees/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lang::tokens::{Token, Tokens, Unknown};
[INFO] [stdout]   |                           ^^^^^          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/app/chip/mod.rs:55:47
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn on(&mut self, commands: &mut Commands, mut pixel: &mut super::screen::Pixel) {
[INFO] [stdout]    |                                               ----^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/app/chip/mod.rs:55:47
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn on(&mut self, commands: &mut Commands, mut pixel: &mut super::screen::Pixel) {
[INFO] [stdout]    |                                               ----^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/app/chip/mod.rs:61:48
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn off(&mut self, commands: &mut Commands, mut pixel: &mut super::screen::Pixel) {
[INFO] [stdout]    |                                                ----^^^^^
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/app/chip/mod.rs:61:48
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn off(&mut self, commands: &mut Commands, mut pixel: &mut super::screen::Pixel) {
[INFO] [stdout]    |                                                ----^^^^^
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Minus`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Token::Minus(Minus) => Some(13u8),
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_Minus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `NumberData`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Token::NumberData(NumberData) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_NumberData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Identifier`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Token::Identifier(Identifier) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Identifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Data`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |             Token::Data(Data) => (14, 13),
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_Data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Whitespace`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Token::Whitespace(Whitespace) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Whitespace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Plus`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Token::Plus(Plus) => (14, 13),
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_Plus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Minus`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Token::Minus(Minus) => (14, 13),
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_Minus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Multiply`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Token::Multiply(Multiply) => (14, 13),
[INFO] [stdout]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Multiply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Divide`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Token::Divide(Divide) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_Divide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Modulo`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Token::Modulo(Modulo) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_Modulo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `LParen`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Token::LParen(LParen) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_LParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Minus`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Token::Minus(Minus) => Some(13u8),
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_Minus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Newline`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Token::Newline(Newline) => (14, 13),
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Newline`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `NumberData`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Token::NumberData(NumberData) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_NumberData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Identifier`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Token::Identifier(Identifier) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Identifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Data`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |             Token::Data(Data) => (14, 13),
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_Data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Whitespace`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Token::Whitespace(Whitespace) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Whitespace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Plus`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Token::Plus(Plus) => (14, 13),
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_Plus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `LParen`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:97:27
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Token::LParen(LParen) => Token::RParen(RParen).into(),
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_LParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Minus`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Token::Minus(Minus) => (14, 13),
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_Minus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Multiply`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Token::Multiply(Multiply) => (14, 13),
[INFO] [stdout]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Multiply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Divide`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Token::Divide(Divide) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_Divide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Modulo`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Token::Modulo(Modulo) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_Modulo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `LParen`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Token::LParen(LParen) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_LParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Newline`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Token::Newline(Newline) => (14, 13),
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Newline`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `LParen`
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:97:27
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Token::LParen(LParen) => Token::RParen(RParen).into(),
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_LParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lang/syntax/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lang/syntax/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_next` is never used
[INFO] [stdout]    --> src/lang/syntax/trees/mod.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | impl TreeParse {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn peek_next(&self) -> Option<&Leaf> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_next` is never used
[INFO] [stdout]    --> src/lang/syntax/trees/mod.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | impl TreeParse {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn peek_next(&self) -> Option<&Leaf> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Tree` is never constructed
[INFO] [stdout]    --> src/lang/syntax/trees/mod.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 263 | enum Wood {
[INFO] [stdout]     |      ---- variant in this enum
[INFO] [stdout] 264 |     Tree(Tree),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Tree` is never constructed
[INFO] [stdout]    --> src/lang/syntax/trees/mod.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 263 | enum Wood {
[INFO] [stdout]     |      ---- variant in this enum
[INFO] [stdout] 264 |     Tree(Tree),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `branch` and `tree` are never used
[INFO] [stdout]    --> src/lang/syntax/trees/mod.rs:269:8
[INFO] [stdout]     |
[INFO] [stdout] 268 | impl Wood {
[INFO] [stdout]     | --------- associated functions in this implementation
[INFO] [stdout] 269 |     fn branch(branch: Branch) -> Wood {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 272 |     fn tree(tree: Tree) -> Wood {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `branch` and `tree` are never used
[INFO] [stdout]    --> src/lang/syntax/trees/mod.rs:269:8
[INFO] [stdout]     |
[INFO] [stdout] 268 | impl Wood {
[INFO] [stdout]     | --------- associated functions in this implementation
[INFO] [stdout] 269 |     fn branch(branch: Branch) -> Wood {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 272 |     fn tree(tree: Tree) -> Wood {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ternary` and `grouping` are never used
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:90:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Leaf {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub(crate) fn ternary(self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub(crate) fn grouping(self) -> Option<Token> {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ternary` and `grouping` are never used
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:90:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Leaf {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub(crate) fn ternary(self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub(crate) fn grouping(self) -> Option<Token> {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Minus` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Token::Minus(Minus) => Some(13u8),
[INFO] [stdout]    |                          ^^^^^ help: convert the identifier to snake case: `minus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Minus` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Token::Minus(Minus) => Some(13u8),
[INFO] [stdout]    |                          ^^^^^ help: convert the identifier to snake case: `minus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NumberData` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Token::NumberData(NumberData) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: convert the identifier to snake case: `number_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NumberData` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Token::NumberData(NumberData) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: convert the identifier to snake case: `number_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Identifier` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Token::Identifier(Identifier) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `identifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Identifier` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Token::Identifier(Identifier) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `identifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Data` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |             Token::Data(Data) => (14, 13),
[INFO] [stdout]    |                         ^^^^ help: convert the identifier to snake case: `data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Data` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |             Token::Data(Data) => (14, 13),
[INFO] [stdout]    |                         ^^^^ help: convert the identifier to snake case: `data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Whitespace` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Token::Whitespace(Whitespace) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `whitespace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Whitespace` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Token::Whitespace(Whitespace) => (14, 13),
[INFO] [stdout]    |                               ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `whitespace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Plus` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Token::Plus(Plus) => (14, 13),
[INFO] [stdout]    |                         ^^^^ help: convert the identifier to snake case: `plus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Plus` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Token::Plus(Plus) => (14, 13),
[INFO] [stdout]    |                         ^^^^ help: convert the identifier to snake case: `plus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Minus` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Token::Minus(Minus) => (14, 13),
[INFO] [stdout]    |                          ^^^^^ help: convert the identifier to snake case: `minus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Minus` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Token::Minus(Minus) => (14, 13),
[INFO] [stdout]    |                          ^^^^^ help: convert the identifier to snake case: `minus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Multiply` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Token::Multiply(Multiply) => (14, 13),
[INFO] [stdout]    |                             ^^^^^^^^ help: convert the identifier to snake case: `multiply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Multiply` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Token::Multiply(Multiply) => (14, 13),
[INFO] [stdout]    |                             ^^^^^^^^ help: convert the identifier to snake case: `multiply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Divide` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Token::Divide(Divide) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: convert the identifier to snake case: `divide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Divide` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Token::Divide(Divide) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: convert the identifier to snake case: `divide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Modulo` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Token::Modulo(Modulo) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: convert the identifier to snake case: `modulo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Modulo` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:55:27
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Token::Modulo(Modulo) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: convert the identifier to snake case: `modulo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LParen` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Token::LParen(LParen) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: convert the identifier to snake case: `lparen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LParen` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Token::LParen(LParen) => (14, 13),
[INFO] [stdout]    |                           ^^^^^^ help: convert the identifier to snake case: `lparen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Newline` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Token::Newline(Newline) => (14, 13),
[INFO] [stdout]    |                            ^^^^^^^ help: convert the identifier to snake case: `newline`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Newline` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Token::Newline(Newline) => (14, 13),
[INFO] [stdout]    |                            ^^^^^^^ help: convert the identifier to snake case: `newline`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LParen` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:97:27
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Token::LParen(LParen) => Token::RParen(RParen).into(),
[INFO] [stdout]    |                           ^^^^^^ help: convert the identifier to snake case: `lparen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LParen` should have a snake case name
[INFO] [stdout]   --> src/lang/syntax/trees/leafs.rs:97:27
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Token::LParen(LParen) => Token::RParen(RParen).into(),
[INFO] [stdout]    |                           ^^^^^^ help: convert the identifier to snake case: `lparen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/tree-repl.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/chip-repl.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/tree-repl.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/lang-repl.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/token-repl.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/opcode-repl.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/syntax-repl.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/lang-repl.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/token-repl.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   | ^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 2 |     crate::main();
[INFO] [stdout]   |     ------------- recursive call site
[INFO] [stdout]   |
[INFO] [stdout]   = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]   = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/opcode-repl.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   | ^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 2 |     crate::main();
[INFO] [stdout]   |     ------------- recursive call site
[INFO] [stdout]   |
[INFO] [stdout]   = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]   = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/chip-repl.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/syntax-repl.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 45s
[INFO] running `Command { std: "docker" "inspect" "4869e88af391ae327f987c6a9bb16c31ca3f9f95469b0378f7111e66444c2997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4869e88af391ae327f987c6a9bb16c31ca3f9f95469b0378f7111e66444c2997", kill_on_drop: false }`
[INFO] [stdout] 4869e88af391ae327f987c6a9bb16c31ca3f9f95469b0378f7111e66444c2997
