[INFO] cloning repository https://github.com/utam0k/r8cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utam0k/r8cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fr8cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fr8cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60d03075da9d0a8f73d50f99b70cd2de706f7ca6
[INFO] linting utam0k/r8cc against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fr8cc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/utam0k/r8cc
[INFO] finished tweaking git repo https://github.com/utam0k/r8cc
[INFO] tweaked toml for git repo https://github.com/utam0k/r8cc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/utam0k/r8cc on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/utam0k/r8cc 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a8adeba10e342b23988c54ff2505efb1d56a81eab3293bf97d848618fe339f
[INFO] running `Command { std: "docker" "start" "-a" "b9a8adeba10e342b23988c54ff2505efb1d56a81eab3293bf97d848618fe339f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a8adeba10e342b23988c54ff2505efb1d56a81eab3293bf97d848618fe339f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a8adeba10e342b23988c54ff2505efb1d56a81eab3293bf97d848618fe339f", kill_on_drop: false }`
[INFO] [stdout] b9a8adeba10e342b23988c54ff2505efb1d56a81eab3293bf97d848618fe339f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0e01314980f0dbfbe97503c0e9336a5996af9f0f96e9a95ac6ceaa43229f843
[INFO] running `Command { std: "docker" "start" "-a" "a0e01314980f0dbfbe97503c0e9336a5996af9f0f96e9a95ac6ceaa43229f843", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking r8cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lex.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 146 |             '0'...'9' => read_number(c),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lex.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lex.rs:149:28
[INFO] [stdout]     |
[INFO] [stdout] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/stream.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             pos: pos,
[INFO] [stdout]    |             ^^^^^^^^ help: replace it with: `pos`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lib.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             name: name,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lib.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             ctype: ctype,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `ctype`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lib.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             fname: fname,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `fname`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lib.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             args: args,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `args`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/lib.rs:183:16
[INFO] [stdout]     |
[INFO] [stdout] 183 |         Self { kind: kind }
[INFO] [stdout]     |                ^^^^^^^^^^ help: replace it with: `kind`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stdout] 17 | |         Mutex::new(context::Context::new())
[INFO] [stdout] 18 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     };
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stdout] 17 | |         Mutex::new(context::Context::new())
[INFO] [stdout] 18 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     };
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 let mut reg;
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `Context`
[INFO] [stdout]   --> src/context.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     pub fn new() -> Self {
[INFO] [stdout] 14 | |         Self {
[INFO] [stdout] 15 | |             vars: LinkedList::new(),
[INFO] [stdout] 16 | |             strings: LinkedList::new(),
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 12 + impl Default for Context {
[INFO] [stdout] 13 +     fn default() -> Self {
[INFO] [stdout] 14 +         Self::new()
[INFO] [stdout] 15 +     }
[INFO] [stdout] 16 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/lex.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         match self {
[INFO] [stdout] 29 | |             Token::TtypePunct(punct) if punct == &c => true,
[INFO] [stdout] 30 | |             _ => false,
[INFO] [stdout] 31 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 28 -         match self {
[INFO] [stdout] 29 -             Token::TtypePunct(punct) if punct == &c => true,
[INFO] [stdout] 30 -             _ => false,
[INFO] [stdout] 31 -         }
[INFO] [stdout] 28 +         matches!(self, Token::TtypePunct(punct) if punct == &c)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/lex.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |             if !UNGOTTEN.is_none() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^ help: try: `UNGOTTEN.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/lex.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let next_char: Option<char>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ created here
[INFO] [stdout] 67 |         next_char = getc();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ initialised here
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `next_char` here
[INFO] [stdout]    |
[INFO] [stdout] 66 ~         
[INFO] [stdout] 67 ~         let next_char: Option<char> = getc();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lex.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         return Some(res);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 155 -         return Some(res);
[INFO] [stdout] 155 +         Some(res)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lex.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         return None;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 157 -         return None;
[INFO] [stdout] 157 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]    --> src/lex.rs:149:55
[INFO] [stdout]     |
[INFO] [stdout] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stdout]     |                                                       ^^^^^^^^^ help: try removing the `clone` call: `c`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]     = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]    --> src/lex.rs:151:35
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 Token::TtypePunct(c.clone())
[INFO] [stdout]     |                                   ^^^^^^^^^ help: try removing the `clone` call: `c`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/lex.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |         if !UNGOTTEN.is_none() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: try: `UNGOTTEN.is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]   --> src/stream.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |             return Some(c.clone());
[INFO] [stdout]    |                         ^^^^^^^^^ help: try dereferencing it: `*c`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Iterator::find`
[INFO] [stdout]   --> src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | /     for v in vars {
[INFO] [stdout] 70 | |         if &v.name == name {
[INFO] [stdout] 71 | |             return Some(v);
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |     None
[INFO] [stdout]    | |________^ help: replace with an iterator: `vars.into_iter().find(|v| &v.name == name)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: you may need to dereference some variables
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_find
[INFO] [stdout]    = note: `#[warn(clippy::manual_find)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `match` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/lib.rs:167:44
[INFO] [stdout]     |
[INFO] [stdout] 167 |               AstKind::Literal(ref ctype) => match ctype {
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 168 | |                 Ctype::Array(c_chars, _) => {
[INFO] [stdout] 169 | |                     let mut s = String::new();
[INFO] [stdout] 170 | |                     for c_char in c_chars {
[INFO] [stdout] ...   |
[INFO] [stdout] 178 | |                 _ => (),
[INFO] [stdout] 179 | |             },
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: the outer pattern can be modified to include the inner pattern
[INFO] [stdout]    --> src/lib.rs:167:30
[INFO] [stdout]     |
[INFO] [stdout] 167 |             AstKind::Literal(ref ctype) => match ctype {
[INFO] [stdout]     |                              ^^^^^^^^^ replace this binding
[INFO] [stdout] 168 |                 Ctype::Array(c_chars, _) => {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ with this pattern
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/lib.rs:167:44
[INFO] [stdout]     |
[INFO] [stdout] 167 |               AstKind::Literal(ref ctype) => match ctype {
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 168 | |                 Ctype::Array(c_chars, _) => {
[INFO] [stdout] 169 | |                     let mut s = String::new();
[INFO] [stdout] 170 | |                     for c_char in c_chars {
[INFO] [stdout] ...   |
[INFO] [stdout] 178 | |                 _ => (),
[INFO] [stdout] 179 | |             },
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 167 ~             AstKind::Literal(ref ctype) => if let Ctype::Array(c_chars, _) = ctype {
[INFO] [stdout] 168 +                 let mut s = String::new();
[INFO] [stdout] 169 +                 for c_char in c_chars {
[INFO] [stdout] 170 +                     match c_char {
[INFO] [stdout] 171 +                         Ctype::Char(c) => s.push(c.clone()),
[INFO] [stdout] 172 +                         _ => unreachable!(),
[INFO] [stdout] 173 +                     }
[INFO] [stdout] 174 +                 }
[INFO] [stdout] 175 +                 CONTEXT.lock().unwrap().push_string(s);
[INFO] [stdout] 176 ~             },
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]    --> src/lib.rs:172:54
[INFO] [stdout]     |
[INFO] [stdout] 172 | ...                   Ctype::Char(c) => s.push(c.clone()),
[INFO] [stdout]     |                                                ^^^^^^^^^ help: try dereferencing it: `*c`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `Ast`
[INFO] [stdout]    --> src/lib.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 208 | |         self.to_string_int()
[INFO] [stdout] 209 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement trait `Display` for type `Ast` instead
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout]     = note: `#[warn(clippy::inherent_to_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `REGS`
[INFO] [stdout]    --> src/lib.rs:234:26
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 for i in 1..args_len {
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 234 -                 for i in 1..args_len {
[INFO] [stdout] 234 +                 for <item> in REGS.iter().take(args_len).skip(1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/lib.rs:253:17
[INFO] [stdout]     |
[INFO] [stdout] 253 | /                 match operand.kind {
[INFO] [stdout] 254 | |                     AstKind::Var(ref var) => print!("lea -{}(%rbp), %rax\n\t", var.vpos * 8),
[INFO] [stdout] 255 | |                     _ => (),
[INFO] [stdout] 256 | |                 }
[INFO] [stdout]     | |_________________^ help: try: `if let AstKind::Var(ref var) = operand.kind { print!("lea -{}(%rbp), %rax\n\t", var.vpos * 8) }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `&Box<T>`. Consider using just `&T`
[INFO] [stdout]    --> src/lib.rs:281:34
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn emit_assign(&self, value: &Box<Self>) {
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `&Self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrowed_box
[INFO] [stdout]     = note: `#[warn(clippy::borrowed_box)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/lib.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |           let op: &str;
[INFO] [stdout]     |           ^^^^^^^^^^^^^ created here
[INFO] [stdout] ...
[INFO] [stdout] 302 | /         op = match self.kind {
[INFO] [stdout] 303 | |             AstKind::Binop(kind, _, ref left, ref right) => match kind {
[INFO] [stdout] 304 | |                 '=' => {
[INFO] [stdout] 305 | |                     left.emit_assign(right);
[INFO] [stdout] ...   |
[INFO] [stdout] 314 | |             _ => panic!("invalid operand"),
[INFO] [stdout] 315 | |         };
[INFO] [stdout]     | |_________^ initialised here
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `op` here
[INFO] [stdout]     |
[INFO] [stdout] 290 ~         
[INFO] [stdout] 291 |         if let Some(ctype) = self.get_ctype() {
[INFO] [stdout] ...
[INFO] [stdout] 301 |         }
[INFO] [stdout] 302 ~         let op: &str = match self.kind {
[INFO] [stdout] 303 +             AstKind::Binop(kind, _, ref left, ref right) => match kind {
[INFO] [stdout] 304 +                 '=' => {
[INFO] [stdout] 305 +                     left.emit_assign(right);
[INFO] [stdout] 306 +                     return;
[INFO] [stdout] 307 +                 }
[INFO] [stdout] 308 +                 '+' => "add",
[INFO] [stdout] 309 +                 '-' => "sub",
[INFO] [stdout] 310 +                 '*' => "imul",
[INFO] [stdout] 311 +                 '/' => "",
[INFO] [stdout] 312 +                 _ => panic!("invalid operand"),
[INFO] [stdout] 313 +             },
[INFO] [stdout] 314 +             _ => panic!("invalid operand"),
[INFO] [stdout] 315 ~         };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]    --> src/lib.rs:355:54
[INFO] [stdout]     |
[INFO] [stdout] 355 | ...                   Ctype::Char(c) => s.push(c.clone()),
[INFO] [stdout]     |                                                ^^^^^^^^^ help: try dereferencing it: `*c`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:411:40
[INFO] [stdout]     |
[INFO] [stdout] 411 |             Addr(_, ref ctype) => Some(&ctype),
[INFO] [stdout]     |                                        ^^^^^^ help: change this to: `ctype`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:412:41
[INFO] [stdout]     |
[INFO] [stdout] 412 |             Deref(_, ref ctype) => Some(&ctype),
[INFO] [stdout]     |                                         ^^^^^^ help: change this to: `ctype`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/lib.rs:420:5
[INFO] [stdout]     |
[INFO] [stdout] 420 |     let types;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `types` here and remove the assignments from the branches
[INFO] [stdout]     |
[INFO] [stdout] 420 ~     
[INFO] [stdout] 421 ~     let types = if a_type > b_type {
[INFO] [stdout] 422 ~         (b_type, a_type)
[INFO] [stdout] 423 |     } else {
[INFO] [stdout] 424 ~         (a_type, b_type)
[INFO] [stdout] 425 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i32` which implements the `Copy` trait
[INFO] [stdout]    --> src/lib.rs:438:30
[INFO] [stdout]     |
[INFO] [stdout] 438 |         Int(a) => return Int(a.clone()),
[INFO] [stdout]     |                              ^^^^^^^^^ help: try dereferencing it: `*a`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]    --> src/lib.rs:439:31
[INFO] [stdout]     |
[INFO] [stdout] 439 |         Char(a) => return Int(a.clone() as i32),
[INFO] [stdout]     |                               ^^^^^^^^^ help: try dereferencing it: `*a`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:440:84
[INFO] [stdout]     |
[INFO] [stdout] 440 |         Array(_, _) => return result_type_int(op, &Ptr(Box::new(types.0.clone())), &types.1),
[INFO] [stdout]     |                                                                                    ^^^^^^^^ help: change this to: `types.1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:508:9
[INFO] [stdout]     |
[INFO] [stdout] 508 | /         return Some(match token {
[INFO] [stdout] 509 | |             TtypeIdent(sval) => read_ident_or_func(sval),
[INFO] [stdout] 510 | |             TtypeInt(ival) => Ast::make_int(ival as i32),
[INFO] [stdout] 511 | |             TtypeChar(c) => Ast::make_char(c),
[INFO] [stdout] 512 | |             TtypeString(sval) => Ast::make_string(sval),
[INFO] [stdout] 513 | |             TtypePunct(punct) => panic!("unexpected character: '{}'", punct),
[INFO] [stdout] 514 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 508 ~         Some(match token {
[INFO] [stdout] 509 +             TtypeIdent(sval) => read_ident_or_func(sval),
[INFO] [stdout] 510 +             TtypeInt(ival) => Ast::make_int(ival as i32),
[INFO] [stdout] 511 +             TtypeChar(c) => Ast::make_char(c),
[INFO] [stdout] 512 +             TtypeString(sval) => Ast::make_string(sval),
[INFO] [stdout] 513 +             TtypePunct(punct) => panic!("unexpected character: '{}'", punct),
[INFO] [stdout] 514 ~         })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:516:9
[INFO] [stdout]     |
[INFO] [stdout] 516 |         return None;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 516 -         return None;
[INFO] [stdout] 516 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`)
[INFO] [stdout]    --> src/lib.rs:510:45
[INFO] [stdout]     |
[INFO] [stdout] 510 |             TtypeInt(ival) => Ast::make_int(ival as i32),
[INFO] [stdout]     |                                             ^^^^^^^^^^^ help: try: `ival`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]    --> src/lib.rs:622:13
[INFO] [stdout]     |
[INFO] [stdout] 622 | fn quote(q: &String) -> String {
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]     = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 622 - fn quote(q: &String) -> String {
[INFO] [stdout] 622 + fn quote(q: &str) -> String {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/lib.rs:626:13
[INFO] [stdout]     |
[INFO] [stdout] 626 |             buf.push_str("\\");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `buf.push('\\')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]     = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/lib.rs:639:5
[INFO] [stdout]     |
[INFO] [stdout] 639 |     print!("\t.data\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 639 -     print!("\t.data\n");
[INFO] [stdout] 639 +     println!("\t.data");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/lib.rs:642:9
[INFO] [stdout]     |
[INFO] [stdout] 642 |         print!(".string \"{}\"\n", quote(&p));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 642 -         print!(".string \"{}\"\n", quote(&p));
[INFO] [stdout] 642 +         println!(".string \"{}\"", quote(&p));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:642:42
[INFO] [stdout]     |
[INFO] [stdout] 642 |         print!(".string \"{}\"\n", quote(&p));
[INFO] [stdout]     |                                          ^^ help: change this to: `p`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/lex.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             if !UNGOTTEN.is_none() {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lex.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         if !UNGOTTEN.is_none() {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lex.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let tok = UNGOTTEN.clone();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lex.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 146 |             '0'...'9' => read_number(c),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lex.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lex.rs:149:28
[INFO] [stdout]     |
[INFO] [stdout] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/stream.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             pos: pos,
[INFO] [stdout]    |             ^^^^^^^^ help: replace it with: `pos`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lib.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             name: name,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lib.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             ctype: ctype,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `ctype`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lib.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             fname: fname,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `fname`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lib.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             args: args,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `args`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/lib.rs:183:16
[INFO] [stdout]     |
[INFO] [stdout] 183 |         Self { kind: kind }
[INFO] [stdout]     |                ^^^^^^^^^^ help: replace it with: `kind`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stdout] 17 | |         Mutex::new(context::Context::new())
[INFO] [stdout] 18 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     };
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stdout] 17 | |         Mutex::new(context::Context::new())
[INFO] [stdout] 18 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     };
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     loop {
[INFO] [stdout] 10 | |         if let Some(t) = r8cc::read_decl_or_stmt() {
[INFO] [stdout] 11 | |             exprs.push(t);
[INFO] [stdout] 12 | |         } else {
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____^ help: try: `while let Some(t) = r8cc::read_decl_or_stmt() { .. }`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]    = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         print!(".global mymain\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 19 -         print!(".global mymain\n");
[INFO] [stdout] 19 +         println!(".global mymain");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         print!("ret\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 41 -         print!("ret\n");
[INFO] [stdout] 41 +         println!("ret");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `while let` loop
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     loop {
[INFO] [stdout] 10 | |         if let Some(t) = r8cc::read_decl_or_stmt() {
[INFO] [stdout] 11 | |             exprs.push(t);
[INFO] [stdout] 12 | |         } else {
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____^ help: try: `while let Some(t) = r8cc::read_decl_or_stmt() { .. }`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]    = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         print!(".global mymain\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 19 -         print!(".global mymain\n");
[INFO] [stdout] 19 +         println!(".global mymain");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         print!("ret\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 41 -         print!("ret\n");
[INFO] [stdout] 41 +         println!("ret");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 let mut reg;
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `Context`
[INFO] [stdout]   --> src/context.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     pub fn new() -> Self {
[INFO] [stdout] 14 | |         Self {
[INFO] [stdout] 15 | |             vars: LinkedList::new(),
[INFO] [stdout] 16 | |             strings: LinkedList::new(),
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 12 + impl Default for Context {
[INFO] [stdout] 13 +     fn default() -> Self {
[INFO] [stdout] 14 +         Self::new()
[INFO] [stdout] 15 +     }
[INFO] [stdout] 16 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/lex.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         match self {
[INFO] [stdout] 29 | |             Token::TtypePunct(punct) if punct == &c => true,
[INFO] [stdout] 30 | |             _ => false,
[INFO] [stdout] 31 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 28 -         match self {
[INFO] [stdout] 29 -             Token::TtypePunct(punct) if punct == &c => true,
[INFO] [stdout] 30 -             _ => false,
[INFO] [stdout] 31 -         }
[INFO] [stdout] 28 +         matches!(self, Token::TtypePunct(punct) if punct == &c)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/lex.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |             if !UNGOTTEN.is_none() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^ help: try: `UNGOTTEN.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/lex.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let next_char: Option<char>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ created here
[INFO] [stdout] 67 |         next_char = getc();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ initialised here
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `next_char` here
[INFO] [stdout]    |
[INFO] [stdout] 66 ~         
[INFO] [stdout] 67 ~         let next_char: Option<char> = getc();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lex.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         return Some(res);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 155 -         return Some(res);
[INFO] [stdout] 155 +         Some(res)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lex.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         return None;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 157 -         return None;
[INFO] [stdout] 157 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]    --> src/lex.rs:149:55
[INFO] [stdout]     |
[INFO] [stdout] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stdout]     |                                                       ^^^^^^^^^ help: try removing the `clone` call: `c`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]     = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]    --> src/lex.rs:151:35
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 Token::TtypePunct(c.clone())
[INFO] [stdout]     |                                   ^^^^^^^^^ help: try removing the `clone` call: `c`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/lex.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |         if !UNGOTTEN.is_none() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: try: `UNGOTTEN.is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]   --> src/stream.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |             return Some(c.clone());
[INFO] [stdout]    |                         ^^^^^^^^^ help: try dereferencing it: `*c`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Iterator::find`
[INFO] [stdout]   --> src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | /     for v in vars {
[INFO] [stdout] 70 | |         if &v.name == name {
[INFO] [stdout] 71 | |             return Some(v);
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |     None
[INFO] [stdout]    | |________^ help: replace with an iterator: `vars.into_iter().find(|v| &v.name == name)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: you may need to dereference some variables
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_find
[INFO] [stdout]    = note: `#[warn(clippy::manual_find)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `match` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/lib.rs:167:44
[INFO] [stdout]     |
[INFO] [stdout] 167 |               AstKind::Literal(ref ctype) => match ctype {
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 168 | |                 Ctype::Array(c_chars, _) => {
[INFO] [stdout] 169 | |                     let mut s = String::new();
[INFO] [stdout] 170 | |                     for c_char in c_chars {
[INFO] [stdout] ...   |
[INFO] [stdout] 178 | |                 _ => (),
[INFO] [stdout] 179 | |             },
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: the outer pattern can be modified to include the inner pattern
[INFO] [stdout]    --> src/lib.rs:167:30
[INFO] [stdout]     |
[INFO] [stdout] 167 |             AstKind::Literal(ref ctype) => match ctype {
[INFO] [stdout]     |                              ^^^^^^^^^ replace this binding
[INFO] [stdout] 168 |                 Ctype::Array(c_chars, _) => {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ with this pattern
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/lib.rs:167:44
[INFO] [stdout]     |
[INFO] [stdout] 167 |               AstKind::Literal(ref ctype) => match ctype {
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 168 | |                 Ctype::Array(c_chars, _) => {
[INFO] [stdout] 169 | |                     let mut s = String::new();
[INFO] [stdout] 170 | |                     for c_char in c_chars {
[INFO] [stdout] ...   |
[INFO] [stdout] 178 | |                 _ => (),
[INFO] [stdout] 179 | |             },
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 167 ~             AstKind::Literal(ref ctype) => if let Ctype::Array(c_chars, _) = ctype {
[INFO] [stdout] 168 +                 let mut s = String::new();
[INFO] [stdout] 169 +                 for c_char in c_chars {
[INFO] [stdout] 170 +                     match c_char {
[INFO] [stdout] 171 +                         Ctype::Char(c) => s.push(c.clone()),
[INFO] [stdout] 172 +                         _ => unreachable!(),
[INFO] [stdout] 173 +                     }
[INFO] [stdout] 174 +                 }
[INFO] [stdout] 175 +                 CONTEXT.lock().unwrap().push_string(s);
[INFO] [stdout] 176 ~             },
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]    --> src/lib.rs:172:54
[INFO] [stdout]     |
[INFO] [stdout] 172 | ...                   Ctype::Char(c) => s.push(c.clone()),
[INFO] [stdout]     |                                                ^^^^^^^^^ help: try dereferencing it: `*c`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implementation of inherent method `to_string(&self) -> String` for type `Ast`
[INFO] [stdout]    --> src/lib.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     pub fn to_string(&self) -> String {
[INFO] [stdout] 208 | |         self.to_string_int()
[INFO] [stdout] 209 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement trait `Display` for type `Ast` instead
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[INFO] [stdout]     = note: `#[warn(clippy::inherent_to_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `REGS`
[INFO] [stdout]    --> src/lib.rs:234:26
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 for i in 1..args_len {
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 234 -                 for i in 1..args_len {
[INFO] [stdout] 234 +                 for <item> in REGS.iter().take(args_len).skip(1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/lib.rs:253:17
[INFO] [stdout]     |
[INFO] [stdout] 253 | /                 match operand.kind {
[INFO] [stdout] 254 | |                     AstKind::Var(ref var) => print!("lea -{}(%rbp), %rax\n\t", var.vpos * 8),
[INFO] [stdout] 255 | |                     _ => (),
[INFO] [stdout] 256 | |                 }
[INFO] [stdout]     | |_________________^ help: try: `if let AstKind::Var(ref var) = operand.kind { print!("lea -{}(%rbp), %rax\n\t", var.vpos * 8) }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `&Box<T>`. Consider using just `&T`
[INFO] [stdout]    --> src/lib.rs:281:34
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn emit_assign(&self, value: &Box<Self>) {
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: try: `&Self`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrowed_box
[INFO] [stdout]     = note: `#[warn(clippy::borrowed_box)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/lib.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |           let op: &str;
[INFO] [stdout]     |           ^^^^^^^^^^^^^ created here
[INFO] [stdout] ...
[INFO] [stdout] 302 | /         op = match self.kind {
[INFO] [stdout] 303 | |             AstKind::Binop(kind, _, ref left, ref right) => match kind {
[INFO] [stdout] 304 | |                 '=' => {
[INFO] [stdout] 305 | |                     left.emit_assign(right);
[INFO] [stdout] ...   |
[INFO] [stdout] 314 | |             _ => panic!("invalid operand"),
[INFO] [stdout] 315 | |         };
[INFO] [stdout]     | |_________^ initialised here
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `op` here
[INFO] [stdout]     |
[INFO] [stdout] 290 ~         
[INFO] [stdout] 291 |         if let Some(ctype) = self.get_ctype() {
[INFO] [stdout] ...
[INFO] [stdout] 301 |         }
[INFO] [stdout] 302 ~         let op: &str = match self.kind {
[INFO] [stdout] 303 +             AstKind::Binop(kind, _, ref left, ref right) => match kind {
[INFO] [stdout] 304 +                 '=' => {
[INFO] [stdout] 305 +                     left.emit_assign(right);
[INFO] [stdout] 306 +                     return;
[INFO] [stdout] 307 +                 }
[INFO] [stdout] 308 +                 '+' => "add",
[INFO] [stdout] 309 +                 '-' => "sub",
[INFO] [stdout] 310 +                 '*' => "imul",
[INFO] [stdout] 311 +                 '/' => "",
[INFO] [stdout] 312 +                 _ => panic!("invalid operand"),
[INFO] [stdout] 313 +             },
[INFO] [stdout] 314 +             _ => panic!("invalid operand"),
[INFO] [stdout] 315 ~         };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]    --> src/lib.rs:355:54
[INFO] [stdout]     |
[INFO] [stdout] 355 | ...                   Ctype::Char(c) => s.push(c.clone()),
[INFO] [stdout]     |                                                ^^^^^^^^^ help: try dereferencing it: `*c`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:411:40
[INFO] [stdout]     |
[INFO] [stdout] 411 |             Addr(_, ref ctype) => Some(&ctype),
[INFO] [stdout]     |                                        ^^^^^^ help: change this to: `ctype`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:412:41
[INFO] [stdout]     |
[INFO] [stdout] 412 |             Deref(_, ref ctype) => Some(&ctype),
[INFO] [stdout]     |                                         ^^^^^^ help: change this to: `ctype`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/lib.rs:420:5
[INFO] [stdout]     |
[INFO] [stdout] 420 |     let types;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `types` here and remove the assignments from the branches
[INFO] [stdout]     |
[INFO] [stdout] 420 ~     
[INFO] [stdout] 421 ~     let types = if a_type > b_type {
[INFO] [stdout] 422 ~         (b_type, a_type)
[INFO] [stdout] 423 |     } else {
[INFO] [stdout] 424 ~         (a_type, b_type)
[INFO] [stdout] 425 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i32` which implements the `Copy` trait
[INFO] [stdout]    --> src/lib.rs:438:30
[INFO] [stdout]     |
[INFO] [stdout] 438 |         Int(a) => return Int(a.clone()),
[INFO] [stdout]     |                              ^^^^^^^^^ help: try dereferencing it: `*a`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]    --> src/lib.rs:439:31
[INFO] [stdout]     |
[INFO] [stdout] 439 |         Char(a) => return Int(a.clone() as i32),
[INFO] [stdout]     |                               ^^^^^^^^^ help: try dereferencing it: `*a`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:440:84
[INFO] [stdout]     |
[INFO] [stdout] 440 |         Array(_, _) => return result_type_int(op, &Ptr(Box::new(types.0.clone())), &types.1),
[INFO] [stdout]     |                                                                                    ^^^^^^^^ help: change this to: `types.1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:508:9
[INFO] [stdout]     |
[INFO] [stdout] 508 | /         return Some(match token {
[INFO] [stdout] 509 | |             TtypeIdent(sval) => read_ident_or_func(sval),
[INFO] [stdout] 510 | |             TtypeInt(ival) => Ast::make_int(ival as i32),
[INFO] [stdout] 511 | |             TtypeChar(c) => Ast::make_char(c),
[INFO] [stdout] 512 | |             TtypeString(sval) => Ast::make_string(sval),
[INFO] [stdout] 513 | |             TtypePunct(punct) => panic!("unexpected character: '{}'", punct),
[INFO] [stdout] 514 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 508 ~         Some(match token {
[INFO] [stdout] 509 +             TtypeIdent(sval) => read_ident_or_func(sval),
[INFO] [stdout] 510 +             TtypeInt(ival) => Ast::make_int(ival as i32),
[INFO] [stdout] 511 +             TtypeChar(c) => Ast::make_char(c),
[INFO] [stdout] 512 +             TtypeString(sval) => Ast::make_string(sval),
[INFO] [stdout] 513 +             TtypePunct(punct) => panic!("unexpected character: '{}'", punct),
[INFO] [stdout] 514 ~         })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/lib.rs:516:9
[INFO] [stdout]     |
[INFO] [stdout] 516 |         return None;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 516 -         return None;
[INFO] [stdout] 516 +         None
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`)
[INFO] [stdout]    --> src/lib.rs:510:45
[INFO] [stdout]     |
[INFO] [stdout] 510 |             TtypeInt(ival) => Ast::make_int(ival as i32),
[INFO] [stdout]     |                                             ^^^^^^^^^^^ help: try: `ival`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]    --> src/lib.rs:622:13
[INFO] [stdout]     |
[INFO] [stdout] 622 | fn quote(q: &String) -> String {
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]     = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 622 - fn quote(q: &String) -> String {
[INFO] [stdout] 622 + fn quote(q: &str) -> String {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/lib.rs:626:13
[INFO] [stdout]     |
[INFO] [stdout] 626 |             buf.push_str("\\");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `buf.push('\\')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]     = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/lib.rs:639:5
[INFO] [stdout]     |
[INFO] [stdout] 639 |     print!("\t.data\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 639 -     print!("\t.data\n");
[INFO] [stdout] 639 +     println!("\t.data");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/lib.rs:642:9
[INFO] [stdout]     |
[INFO] [stdout] 642 |         print!(".string \"{}\"\n", quote(&p));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 642 -         print!(".string \"{}\"\n", quote(&p));
[INFO] [stdout] 642 +         println!(".string \"{}\"", quote(&p));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lib.rs:642:42
[INFO] [stdout]     |
[INFO] [stdout] 642 |         print!(".string \"{}\"\n", quote(&p));
[INFO] [stdout]     |                                          ^^ help: change this to: `p`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/lex.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             if !UNGOTTEN.is_none() {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lex.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         if !UNGOTTEN.is_none() {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lex.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let tok = UNGOTTEN.clone();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "a0e01314980f0dbfbe97503c0e9336a5996af9f0f96e9a95ac6ceaa43229f843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e01314980f0dbfbe97503c0e9336a5996af9f0f96e9a95ac6ceaa43229f843", kill_on_drop: false }`
[INFO] [stdout] a0e01314980f0dbfbe97503c0e9336a5996af9f0f96e9a95ac6ceaa43229f843