[INFO] fetching crate tex_engine 0.0.1...
[INFO] testing tex_engine-0.0.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate tex_engine 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tex_engine 0.0.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tex_engine 0.0.1
[INFO] finished tweaking crates.io crate tex_engine 0.0.1
[INFO] tweaked toml for crates.io crate tex_engine 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75dcd64dc502667600e01c5739aafee00d07917fd7c16527cf74d269ee8fd698
[INFO] running `Command { std: "docker" "start" "-a" "75dcd64dc502667600e01c5739aafee00d07917fd7c16527cf74d269ee8fd698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75dcd64dc502667600e01c5739aafee00d07917fd7c16527cf74d269ee8fd698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75dcd64dc502667600e01c5739aafee00d07917fd7c16527cf74d269ee8fd698", kill_on_drop: false }`
[INFO] [stdout] 75dcd64dc502667600e01c5739aafee00d07917fd7c16527cf74d269ee8fd698
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48451134b7066d22c652ac8af72ae23c523ff1a93b3c9fe73d6053cf67df3e87
[INFO] running `Command { std: "docker" "start" "-a" "48451134b7066d22c652ac8af72ae23c523ff1a93b3c9fe73d6053cf67df3e87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling include_dir_macros v0.7.3
[INFO] [stderr]    Compiling value-bag v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling include_dir v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.34
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling ahash v0.8.8
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling tex_engine v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Assignable`, `Command`
[INFO] [stdout]  --> src/tex/commands/etex.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::tex::commands::{Assignable, Command, GulletCommand, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                            ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GulletCommand`
[INFO] [stdout]  --> src/tex/commands/methods.rs:4:52
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::tex::commands::{Command, Def, ExpToken, GulletCommand, ParamToken, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dir`, `include_dir`
[INFO] [stdout]  --> src/tex/fonts.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use include_dir::{Dir, include_dir};
[INFO] [stdout]   |                   ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CategoryCodeScheme`
[INFO] [stdout]  --> src/engine/mouth/methods.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::tex::catcodes::{CategoryCode, CategoryCodeScheme};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/engine/stomach.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::state::modes::TeXGroupType`
[INFO] [stdout]  --> src/engine/stomach.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::engine::state::modes::TeXGroupType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImplementationError`, `ModeError`
[INFO] [stdout]   --> src/engine/stomach.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::errors::{ErrorInPrimitive, ImplementationError, ModeError, TeXError};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f,"Error in definition of {}",todo!("meaning of Def macro"))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------^
[INFO] [stdout]     |         |                                    |
[INFO] [stdout]     |         |                                    any code following this expression is unreachable
[INFO] [stdout]     |         unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::format_args` which comes from the expansion of the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 | /         return Err(ErrorInPrimitive{name:$name,msg:None,cause:Some($cause.cause),source:Some(
[INFO] [stdout] 181 | |             crate::utils::errors::FileEndedUnexpectedly{cause:None}.into()
[INFO] [stdout] 182 | |         )})
[INFO] [stdout]     | |           ^
[INFO] [stdout]     | |           |
[INFO] [stdout]     | |___________unreachable expression
[INFO] [stdout]     |             any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:892:5
[INFO] [stdout]     |
[INFO] [stdout] 892 |       file_end_prim!("edef",cmd)
[INFO] [stdout]     |       -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `file_end_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/engine/stomach.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     todo!("Handle whatsit");
[INFO] [stdout]    |                     ----------------------- any code following this expression is unreachable
[INFO] [stdout] 37 |                     self.maybe_shipout(force)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]    --> src/utils/strings.rs:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn from_u8_iter(iter: &mut IntoIter<u8>) -> Option<Self> {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/utils/strings.rs:290:38
[INFO] [stdout]     |
[INFO] [stdout] 290 |     fn rep_field<A: Clone + Default>(a: A) -> Self::Allchars<A> {
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:300:19
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn get(&self, u: char) -> &A {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:304:23
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:304:32
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:308:27
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sourceref`
[INFO] [stdout]   --> src/tex/token.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn new(base:BaseToken<C>,sourceref:Option<(Ptr<String>,(usize,usize),(usize,usize))>) -> Self { base }
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sourceref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:56
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:594:81
[INFO] [stdout]     |
[INFO] [stdout] 594 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:605:82
[INFO] [stdout]     |
[INFO] [stdout] 605 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/methods.rs:15:25
[INFO] [stdout]     |
[INFO] [stdout] 15  |           if let Some((tk,b)) = catch_prim!($mouth.get_next($state) => ($name,$cmd)) {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 697 | /     map_group!("def",cmd,state,gullet.mouth(),{
[INFO] [stdout] 698 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 699 | |         match cs {
[INFO] [stdout] 700 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 731 | |         }
[INFO] [stdout] 732 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `map_group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:712:29
[INFO] [stdout]     |
[INFO] [stdout] 712 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/tex.rs:759:29
[INFO] [stdout]     |
[INFO] [stdout] 759 |               if let Some((tk,b)) = catch_prim!($gullet.mouth().get_next($state) => ("edef",cmd)) {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 840 | /     expand_group_with_unknowns!(state,gullet,{
[INFO] [stdout] 841 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 842 | |         match cs {
[INFO] [stdout] 843 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 890 | |             Command::Def(def) if def.protected => replacement.push(ExpToken::Token(tk))
[INFO] [stdout] 891 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:855:29
[INFO] [stdout]     |
[INFO] [stdout] 855 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:74
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:89
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eh`
[INFO] [stdout]    --> src/tex/commands/tex.rs:941:9
[INFO] [stdout]     |
[INFO] [stdout] 941 |     let eh = state.get_primitive_toks("errhelp");
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_eh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:73
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:88
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]    --> src/tex/commands/tex.rs:983:100
[INFO] [stdout]     |
[INFO] [stdout] 983 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_`
[INFO] [stdout]    --> src/tex/commands/tex.rs:988:116
[INFO] [stdout]     |
[INFO] [stdout] 988 | ...o::Gu,cmd:StomachCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `long_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1184:144
[INFO] [stdout]      |
[INFO] [stdout] 1184 | ...,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_long_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:74
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:89
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1253:80
[INFO] [stdout]      |
[INFO] [stdout] 1253 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1267:81
[INFO] [stdout]      |
[INFO] [stdout] 1267 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outer_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1284:155
[INFO] [stdout]      |
[INFO] [stdout] 1284 | ...l,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:41
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:46
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                              ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1405:79
[INFO] [stdout]      |
[INFO] [stdout] 1405 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1446:100
[INFO] [stdout]      |
[INFO] [stdout] 1446 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1497:52
[INFO] [stdout]      |
[INFO] [stdout] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stdout]      |                                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1497:54
[INFO] [stdout]      |
[INFO] [stdout] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stdout]      |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1497:57
[INFO] [stdout]      |
[INFO] [stdout] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stdout]      |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1498:56
[INFO] [stdout]      |
[INFO] [stdout] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1498:58
[INFO] [stdout]      |
[INFO] [stdout] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1498:61
[INFO] [stdout]      |
[INFO] [stdout] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1499:55
[INFO] [stdout]      |
[INFO] [stdout] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stdout]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1499:57
[INFO] [stdout]      |
[INFO] [stdout] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stdout]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1499:60
[INFO] [stdout]      |
[INFO] [stdout] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stdout]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1500:55
[INFO] [stdout]      |
[INFO] [stdout] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stdout]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1500:57
[INFO] [stdout]      |
[INFO] [stdout] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stdout]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1500:60
[INFO] [stdout]      |
[INFO] [stdout] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stdout]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1503:57
[INFO] [stdout]      |
[INFO] [stdout] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1503:59
[INFO] [stdout]      |
[INFO] [stdout] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1503:62
[INFO] [stdout]      |
[INFO] [stdout] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1505:56
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1505:58
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1505:61
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1506:57
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1506:59
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1506:62
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1507:57
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1507:59
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1507:62
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1508:57
[INFO] [stdout]      |
[INFO] [stdout] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1508:59
[INFO] [stdout]      |
[INFO] [stdout] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1508:62
[INFO] [stdout]      |
[INFO] [stdout] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1512:55
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stdout]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1512:57
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stdout]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1512:60
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stdout]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1514:56
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1514:58
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1514:61
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1516:56
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1516:58
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1516:61
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1517:57
[INFO] [stdout]      |
[INFO] [stdout] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1517:59
[INFO] [stdout]      |
[INFO] [stdout] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1517:62
[INFO] [stdout]      |
[INFO] [stdout] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1518:56
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1518:58
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1518:61
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:78:58
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn etexrevision<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrim...
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn etexversion<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet...
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `protected_`
[INFO] [stdout]   --> src/tex/commands/etex.rs:87:132
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...hCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/etex.rs:106:56
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn unexpanded<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrimit...
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:112
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...<T,S=S,Gu=Gu>>(state:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:129
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...tate:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tex/commands.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Command::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]    |                                    ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]    --> src/tex/commands.rs:107:45
[INFO] [stdout]     |
[INFO] [stdout] 107 |             StomachCommandInner::Value{name,tp,..} => write!(f,"\\{}",name),
[INFO] [stdout]     |                                             ^^-
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/tex/commands.rs:110:48
[INFO] [stdout]     |
[INFO] [stdout] 110 |             StomachCommandInner::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:194:40
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn has_next<S:State<T>>(&mut self, state:&S) -> Result<bool,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:199:40
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn get_next<S:State<T>>(&mut self, state:&S) -> Result<Option<(T,bool)>,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:266:42
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 TeXMouthSource::NoExpand(t) => todo!("preview `\noexpand`ed token"),
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:298:42
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 TeXMouthSource::NoExpand(t) => return Ok(true)
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:33:25
[INFO] [stdout]     |
[INFO] [stdout] 33  |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expand`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:245:72
[INFO] [stdout]     |
[INFO] [stdout] 245 |         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout]     |                                                                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: `expand` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/engine/gullet/methods.rs:40:29
[INFO] [stdout]     |
[INFO] [stdout] 40  |           while let Some(($tk,$expand)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 257 | /         expand_group_with_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 258 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 259 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 260 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 267 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `catcode`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Command::Char {char,catcode} =>
[INFO] [stdout]     |                             ^^^^^^^ help: try ignoring the field: `catcode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:337:17
[INFO] [stdout]     |
[INFO] [stdout] 337 |             let idx = gullet.new_conditional();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:393:26
[INFO] [stdout]     |
[INFO] [stdout] 393 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:501:47
[INFO] [stdout]     |
[INFO] [stdout] 501 |             StomachCommandInner::Value {index,name,tp:Assignable::Int,..} => {
[INFO] [stdout]     |                                               ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:737:37
[INFO] [stdout]     |
[INFO] [stdout] 737 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:749:37
[INFO] [stdout]     |
[INFO] [stdout] 749 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:776:26
[INFO] [stdout]     |
[INFO] [stdout] 776 |     while let Some((next,e)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:783:29
[INFO] [stdout]     |
[INFO] [stdout] 783 |             BaseToken::Char(c,_) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/gullet.rs:66:56
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn get_keywords<'a>(&mut self, state:&mut Self::S, mut keywords:Vec<&'a str>) -> Result<Option<&'a str>,Box<dyn TeXError<T>>> {
[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: unused variable: `u`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ValueRegister(u,_) => todo!("ValueRegister assignment"),
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                  ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                       ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                               ^^ help: try ignoring the field: `tp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Char(x,_) => todo!("Character in digest"),
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]   --> src/engine/stomach.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn maybe_shipout(&mut self,force:bool) -> Option<Self::B> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/engine/filesystem.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut v = write.as_mut().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `commands` is never read
[INFO] [stdout]   --> src/engine/stomach.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct ShipoutDefaultStomach<T:Token,S:State<T>,Gu:Gullet<T>,B:TeXBox>{
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 69 |     commands:Map<fn(&mut S,&mut S::FS,&mut Gu,&mut Self,StomachCommand<T>,bool) -> Result<(),ErrorInPrimitive<T>>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `SPACE` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:8
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |        ^^^^^ help: convert the identifier to snake case: `space`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:685:9
[INFO] [stdout]     |
[INFO] [stdout] 685 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("def",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:744:9
[INFO] [stdout]     |
[INFO] [stdout] 744 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("edef",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1141:9
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1149:17
[INFO] [stdout]      |
[INFO] [stdout] 1149 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1165:17
[INFO] [stdout]      |
[INFO] [stdout] 1165 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1260:5
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1274:5
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/engine.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         self.etex();
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = self.etex();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/engine/stomach/methods.rs:26:35
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Err(ModeError{cmd:name.clone(),mode:state.mode(),cause:Some(cmd.cause),source:None}.into())
[INFO] [stdout]    |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 129 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "48451134b7066d22c652ac8af72ae23c523ff1a93b3c9fe73d6053cf67df3e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48451134b7066d22c652ac8af72ae23c523ff1a93b3c9fe73d6053cf67df3e87", kill_on_drop: false }`
[INFO] [stdout] 48451134b7066d22c652ac8af72ae23c523ff1a93b3c9fe73d6053cf67df3e87
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b49982181cef6c8b2b70fb2e67de0c2d459674fe54a5ff457be508f0d0e32493
[INFO] running `Command { std: "docker" "start" "-a" "b49982181cef6c8b2b70fb2e67de0c2d459674fe54a5ff457be508f0d0e32493", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling ahash v0.8.8
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling tex_engine v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stdout] warning: unused imports: `Assignable`, `Command`
[INFO] [stdout]  --> src/tex/commands/etex.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::tex::commands::{Assignable, Command, GulletCommand, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                            ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GulletCommand`
[INFO] [stdout]  --> src/tex/commands/methods.rs:4:52
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::tex::commands::{Command, Def, ExpToken, GulletCommand, ParamToken, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dir`, `include_dir`
[INFO] [stdout]  --> src/tex/fonts.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use include_dir::{Dir, include_dir};
[INFO] [stdout]   |                   ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CategoryCodeScheme`
[INFO] [stdout]  --> src/engine/mouth/methods.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::tex::catcodes::{CategoryCode, CategoryCodeScheme};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/engine/stomach.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::state::modes::TeXGroupType`
[INFO] [stdout]  --> src/engine/stomach.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::engine::state::modes::TeXGroupType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImplementationError`, `ModeError`
[INFO] [stdout]   --> src/engine/stomach.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::errors::{ErrorInPrimitive, ImplementationError, ModeError, TeXError};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f,"Error in definition of {}",todo!("meaning of Def macro"))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------^
[INFO] [stdout]     |         |                                    |
[INFO] [stdout]     |         |                                    any code following this expression is unreachable
[INFO] [stdout]     |         unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::format_args` which comes from the expansion of the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 | /         return Err(ErrorInPrimitive{name:$name,msg:None,cause:Some($cause.cause),source:Some(
[INFO] [stdout] 181 | |             crate::utils::errors::FileEndedUnexpectedly{cause:None}.into()
[INFO] [stdout] 182 | |         )})
[INFO] [stdout]     | |           ^
[INFO] [stdout]     | |           |
[INFO] [stdout]     | |___________unreachable expression
[INFO] [stdout]     |             any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:892:5
[INFO] [stdout]     |
[INFO] [stdout] 892 |       file_end_prim!("edef",cmd)
[INFO] [stdout]     |       -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `file_end_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/engine/stomach.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     todo!("Handle whatsit");
[INFO] [stdout]    |                     ----------------------- any code following this expression is unreachable
[INFO] [stdout] 37 |                     self.maybe_shipout(force)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]    --> src/utils/strings.rs:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn from_u8_iter(iter: &mut IntoIter<u8>) -> Option<Self> {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/utils/strings.rs:290:38
[INFO] [stdout]     |
[INFO] [stdout] 290 |     fn rep_field<A: Clone + Default>(a: A) -> Self::Allchars<A> {
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:300:19
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn get(&self, u: char) -> &A {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:304:23
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:304:32
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:308:27
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sourceref`
[INFO] [stdout]   --> src/tex/token.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn new(base:BaseToken<C>,sourceref:Option<(Ptr<String>,(usize,usize),(usize,usize))>) -> Self { base }
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sourceref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:56
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:594:81
[INFO] [stdout]     |
[INFO] [stdout] 594 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:605:82
[INFO] [stdout]     |
[INFO] [stdout] 605 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/methods.rs:15:25
[INFO] [stdout]     |
[INFO] [stdout] 15  |           if let Some((tk,b)) = catch_prim!($mouth.get_next($state) => ($name,$cmd)) {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 697 | /     map_group!("def",cmd,state,gullet.mouth(),{
[INFO] [stdout] 698 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 699 | |         match cs {
[INFO] [stdout] 700 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 731 | |         }
[INFO] [stdout] 732 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `map_group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:712:29
[INFO] [stdout]     |
[INFO] [stdout] 712 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/tex.rs:759:29
[INFO] [stdout]     |
[INFO] [stdout] 759 |               if let Some((tk,b)) = catch_prim!($gullet.mouth().get_next($state) => ("edef",cmd)) {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 840 | /     expand_group_with_unknowns!(state,gullet,{
[INFO] [stdout] 841 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 842 | |         match cs {
[INFO] [stdout] 843 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 890 | |             Command::Def(def) if def.protected => replacement.push(ExpToken::Token(tk))
[INFO] [stdout] 891 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:855:29
[INFO] [stdout]     |
[INFO] [stdout] 855 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:74
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:89
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eh`
[INFO] [stdout]    --> src/tex/commands/tex.rs:941:9
[INFO] [stdout]     |
[INFO] [stdout] 941 |     let eh = state.get_primitive_toks("errhelp");
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_eh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:73
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:88
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]    --> src/tex/commands/tex.rs:983:100
[INFO] [stdout]     |
[INFO] [stdout] 983 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_`
[INFO] [stdout]    --> src/tex/commands/tex.rs:988:116
[INFO] [stdout]     |
[INFO] [stdout] 988 | ...o::Gu,cmd:StomachCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `long_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1184:144
[INFO] [stdout]      |
[INFO] [stdout] 1184 | ...,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_long_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:74
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:89
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1253:80
[INFO] [stdout]      |
[INFO] [stdout] 1253 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1267:81
[INFO] [stdout]      |
[INFO] [stdout] 1267 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outer_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1284:155
[INFO] [stdout]      |
[INFO] [stdout] 1284 | ...l,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:41
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:46
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                              ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1405:79
[INFO] [stdout]      |
[INFO] [stdout] 1405 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1446:100
[INFO] [stdout]      |
[INFO] [stdout] 1446 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1497:52
[INFO] [stdout]      |
[INFO] [stdout] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stdout]      |                                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1497:54
[INFO] [stdout]      |
[INFO] [stdout] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stdout]      |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1497:57
[INFO] [stdout]      |
[INFO] [stdout] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stdout]      |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1498:56
[INFO] [stdout]      |
[INFO] [stdout] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1498:58
[INFO] [stdout]      |
[INFO] [stdout] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1498:61
[INFO] [stdout]      |
[INFO] [stdout] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1499:55
[INFO] [stdout]      |
[INFO] [stdout] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stdout]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1499:57
[INFO] [stdout]      |
[INFO] [stdout] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stdout]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1499:60
[INFO] [stdout]      |
[INFO] [stdout] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stdout]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1500:55
[INFO] [stdout]      |
[INFO] [stdout] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stdout]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1500:57
[INFO] [stdout]      |
[INFO] [stdout] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stdout]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1500:60
[INFO] [stdout]      |
[INFO] [stdout] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stdout]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1503:57
[INFO] [stdout]      |
[INFO] [stdout] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1503:59
[INFO] [stdout]      |
[INFO] [stdout] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1503:62
[INFO] [stdout]      |
[INFO] [stdout] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1505:56
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1505:58
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1505:61
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1506:57
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1506:59
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1506:62
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1507:57
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1507:59
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1507:62
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1508:57
[INFO] [stdout]      |
[INFO] [stdout] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1508:59
[INFO] [stdout]      |
[INFO] [stdout] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1508:62
[INFO] [stdout]      |
[INFO] [stdout] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1512:55
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stdout]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1512:57
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stdout]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1512:60
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stdout]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1514:56
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1514:58
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1514:61
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1516:56
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1516:58
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1516:61
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1517:57
[INFO] [stdout]      |
[INFO] [stdout] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1517:59
[INFO] [stdout]      |
[INFO] [stdout] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1517:62
[INFO] [stdout]      |
[INFO] [stdout] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1518:56
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1518:58
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1518:61
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:78:58
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn etexrevision<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrim...
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn etexversion<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet...
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `protected_`
[INFO] [stdout]   --> src/tex/commands/etex.rs:87:132
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...hCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/etex.rs:106:56
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn unexpanded<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrimit...
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:112
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...<T,S=S,Gu=Gu>>(state:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:129
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...tate:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tex/commands.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Command::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]    |                                    ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]    --> src/tex/commands.rs:107:45
[INFO] [stdout]     |
[INFO] [stdout] 107 |             StomachCommandInner::Value{name,tp,..} => write!(f,"\\{}",name),
[INFO] [stdout]     |                                             ^^-
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/tex/commands.rs:110:48
[INFO] [stdout]     |
[INFO] [stdout] 110 |             StomachCommandInner::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:194:40
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn has_next<S:State<T>>(&mut self, state:&S) -> Result<bool,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:199:40
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn get_next<S:State<T>>(&mut self, state:&S) -> Result<Option<(T,bool)>,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:266:42
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 TeXMouthSource::NoExpand(t) => todo!("preview `\noexpand`ed token"),
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:298:42
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 TeXMouthSource::NoExpand(t) => return Ok(true)
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:33:25
[INFO] [stdout]     |
[INFO] [stdout] 33  |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expand`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:245:72
[INFO] [stdout]     |
[INFO] [stdout] 245 |         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout]     |                                                                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: `expand` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/engine/gullet/methods.rs:40:29
[INFO] [stdout]     |
[INFO] [stdout] 40  |           while let Some(($tk,$expand)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 257 | /         expand_group_with_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 258 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 259 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 260 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 267 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `catcode`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Command::Char {char,catcode} =>
[INFO] [stdout]     |                             ^^^^^^^ help: try ignoring the field: `catcode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:337:17
[INFO] [stdout]     |
[INFO] [stdout] 337 |             let idx = gullet.new_conditional();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:393:26
[INFO] [stdout]     |
[INFO] [stdout] 393 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:501:47
[INFO] [stdout]     |
[INFO] [stdout] 501 |             StomachCommandInner::Value {index,name,tp:Assignable::Int,..} => {
[INFO] [stdout]     |                                               ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:737:37
[INFO] [stdout]     |
[INFO] [stdout] 737 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:749:37
[INFO] [stdout]     |
[INFO] [stdout] 749 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:776:26
[INFO] [stdout]     |
[INFO] [stdout] 776 |     while let Some((next,e)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:783:29
[INFO] [stdout]     |
[INFO] [stdout] 783 |             BaseToken::Char(c,_) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/gullet.rs:66:56
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn get_keywords<'a>(&mut self, state:&mut Self::S, mut keywords:Vec<&'a str>) -> Result<Option<&'a str>,Box<dyn TeXError<T>>> {
[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: unused variable: `u`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ValueRegister(u,_) => todo!("ValueRegister assignment"),
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                  ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                       ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                               ^^ help: try ignoring the field: `tp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Char(x,_) => todo!("Character in digest"),
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]   --> src/engine/stomach.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn maybe_shipout(&mut self,force:bool) -> Option<Self::B> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/engine/filesystem.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut v = write.as_mut().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `commands` is never read
[INFO] [stdout]   --> src/engine/stomach.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct ShipoutDefaultStomach<T:Token,S:State<T>,Gu:Gullet<T>,B:TeXBox>{
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 69 |     commands:Map<fn(&mut S,&mut S::FS,&mut Gu,&mut Self,StomachCommand<T>,bool) -> Result<(),ErrorInPrimitive<T>>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `SPACE` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:8
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |        ^^^^^ help: convert the identifier to snake case: `space`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:685:9
[INFO] [stdout]     |
[INFO] [stdout] 685 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("def",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:744:9
[INFO] [stdout]     |
[INFO] [stdout] 744 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("edef",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1141:9
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1149:17
[INFO] [stdout]      |
[INFO] [stdout] 1149 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1165:17
[INFO] [stdout]      |
[INFO] [stdout] 1165 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1260:5
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1274:5
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/engine.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         self.etex();
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = self.etex();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/engine/stomach/methods.rs:26:35
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Err(ModeError{cmd:name.clone(),mode:state.mode(),cause:Some(cmd.cause),source:None}.into())
[INFO] [stdout]    |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Assignable`, `Command`
[INFO] [stdout]  --> src/tex/commands/etex.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::tex::commands::{Assignable, Command, GulletCommand, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                            ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GulletCommand`
[INFO] [stdout]  --> src/tex/commands/methods.rs:4:52
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::tex::commands::{Command, Def, ExpToken, GulletCommand, ParamToken, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dir`, `include_dir`
[INFO] [stdout]  --> src/tex/fonts.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use include_dir::{Dir, include_dir};
[INFO] [stdout]   |                   ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CategoryCodeScheme`
[INFO] [stdout]  --> src/engine/mouth/methods.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::tex::catcodes::{CategoryCode, CategoryCodeScheme};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/engine/stomach.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::state::modes::TeXGroupType`
[INFO] [stdout]  --> src/engine/stomach.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::engine::state::modes::TeXGroupType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImplementationError`, `ModeError`
[INFO] [stdout]   --> src/engine/stomach.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::errors::{ErrorInPrimitive, ImplementationError, ModeError, TeXError};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, `trace`, `warn`
[INFO] [stdout]   --> src/lib.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 |     use log::{error, warn, info, debug, trace};
[INFO] [stdout]    |               ^^^^^  ^^^^        ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::gullet::TeXGullet`
[INFO] [stdout]   --> src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use crate::engine::gullet::TeXGullet;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::mouth::TracingMouth`
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use crate::engine::mouth::TracingMouth;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Engine`
[INFO] [stdout]   --> src/lib.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use crate::engine::{Engine, new_tex_with_source_references, Outputs};
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::state::TeXState`
[INFO] [stdout]   --> src/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use crate::engine::state::TeXState;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::stomach::NoShipoutDefaultStomach`
[INFO] [stdout]   --> src/lib.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use crate::engine::stomach::NoShipoutDefaultStomach;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tex::boxes::StandardTeXBox`
[INFO] [stdout]   --> src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     use crate::tex::boxes::StandardTeXBox;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tex::token::TokenWithSourceref`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     use crate::tex::token::TokenWithSourceref;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 129 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f,"Error in definition of {}",todo!("meaning of Def macro"))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------^
[INFO] [stdout]     |         |                                    |
[INFO] [stdout]     |         |                                    any code following this expression is unreachable
[INFO] [stdout]     |         unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::format_args` which comes from the expansion of the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 | /         return Err(ErrorInPrimitive{name:$name,msg:None,cause:Some($cause.cause),source:Some(
[INFO] [stdout] 181 | |             crate::utils::errors::FileEndedUnexpectedly{cause:None}.into()
[INFO] [stdout] 182 | |         )})
[INFO] [stdout]     | |           ^
[INFO] [stdout]     | |           |
[INFO] [stdout]     | |___________unreachable expression
[INFO] [stdout]     |             any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:892:5
[INFO] [stdout]     |
[INFO] [stdout] 892 |       file_end_prim!("edef",cmd)
[INFO] [stdout]     |       -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `file_end_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/engine/stomach.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     todo!("Handle whatsit");
[INFO] [stdout]    |                     ----------------------- any code following this expression is unreachable
[INFO] [stdout] 37 |                     self.maybe_shipout(force)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]    --> src/utils/strings.rs:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn from_u8_iter(iter: &mut IntoIter<u8>) -> Option<Self> {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/utils/strings.rs:290:38
[INFO] [stdout]     |
[INFO] [stdout] 290 |     fn rep_field<A: Clone + Default>(a: A) -> Self::Allchars<A> {
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:300:19
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn get(&self, u: char) -> &A {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:304:23
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:304:32
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:308:27
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sourceref`
[INFO] [stdout]   --> src/tex/token.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn new(base:BaseToken<C>,sourceref:Option<(Ptr<String>,(usize,usize),(usize,usize))>) -> Self { base }
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sourceref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:56
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:594:81
[INFO] [stdout]     |
[INFO] [stdout] 594 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:605:82
[INFO] [stdout]     |
[INFO] [stdout] 605 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/methods.rs:15:25
[INFO] [stdout]     |
[INFO] [stdout] 15  |           if let Some((tk,b)) = catch_prim!($mouth.get_next($state) => ($name,$cmd)) {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 697 | /     map_group!("def",cmd,state,gullet.mouth(),{
[INFO] [stdout] 698 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 699 | |         match cs {
[INFO] [stdout] 700 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 731 | |         }
[INFO] [stdout] 732 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `map_group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:712:29
[INFO] [stdout]     |
[INFO] [stdout] 712 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/tex.rs:759:29
[INFO] [stdout]     |
[INFO] [stdout] 759 |               if let Some((tk,b)) = catch_prim!($gullet.mouth().get_next($state) => ("edef",cmd)) {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 840 | /     expand_group_with_unknowns!(state,gullet,{
[INFO] [stdout] 841 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 842 | |         match cs {
[INFO] [stdout] 843 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 890 | |             Command::Def(def) if def.protected => replacement.push(ExpToken::Token(tk))
[INFO] [stdout] 891 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:855:29
[INFO] [stdout]     |
[INFO] [stdout] 855 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:74
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:89
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eh`
[INFO] [stdout]    --> src/tex/commands/tex.rs:941:9
[INFO] [stdout]     |
[INFO] [stdout] 941 |     let eh = state.get_primitive_toks("errhelp");
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_eh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:73
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:88
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]    --> src/tex/commands/tex.rs:983:100
[INFO] [stdout]     |
[INFO] [stdout] 983 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_`
[INFO] [stdout]    --> src/tex/commands/tex.rs:988:116
[INFO] [stdout]     |
[INFO] [stdout] 988 | ...o::Gu,cmd:StomachCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `long_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1184:144
[INFO] [stdout]      |
[INFO] [stdout] 1184 | ...,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_long_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:74
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:89
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1253:80
[INFO] [stdout]      |
[INFO] [stdout] 1253 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1267:81
[INFO] [stdout]      |
[INFO] [stdout] 1267 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outer_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1284:155
[INFO] [stdout]      |
[INFO] [stdout] 1284 | ...l,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:41
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:46
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                              ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1405:79
[INFO] [stdout]      |
[INFO] [stdout] 1405 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1446:100
[INFO] [stdout]      |
[INFO] [stdout] 1446 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1497:52
[INFO] [stdout]      |
[INFO] [stdout] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stdout]      |                                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1497:54
[INFO] [stdout]      |
[INFO] [stdout] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stdout]      |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1497:57
[INFO] [stdout]      |
[INFO] [stdout] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stdout]      |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1498:56
[INFO] [stdout]      |
[INFO] [stdout] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1498:58
[INFO] [stdout]      |
[INFO] [stdout] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1498:61
[INFO] [stdout]      |
[INFO] [stdout] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1499:55
[INFO] [stdout]      |
[INFO] [stdout] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stdout]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1499:57
[INFO] [stdout]      |
[INFO] [stdout] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stdout]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1499:60
[INFO] [stdout]      |
[INFO] [stdout] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stdout]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1500:55
[INFO] [stdout]      |
[INFO] [stdout] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stdout]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1500:57
[INFO] [stdout]      |
[INFO] [stdout] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stdout]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1500:60
[INFO] [stdout]      |
[INFO] [stdout] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stdout]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1503:57
[INFO] [stdout]      |
[INFO] [stdout] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1503:59
[INFO] [stdout]      |
[INFO] [stdout] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1503:62
[INFO] [stdout]      |
[INFO] [stdout] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1505:56
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1505:58
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1505:61
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1506:57
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1506:59
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1506:62
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1507:57
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1507:59
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1507:62
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1508:57
[INFO] [stdout]      |
[INFO] [stdout] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1508:59
[INFO] [stdout]      |
[INFO] [stdout] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1508:62
[INFO] [stdout]      |
[INFO] [stdout] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1512:55
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stdout]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1512:57
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stdout]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1512:60
[INFO] [stdout]      |
[INFO] [stdout] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stdout]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1514:56
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1514:58
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1514:61
[INFO] [stdout]      |
[INFO] [stdout] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1516:56
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1516:58
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1516:61
[INFO] [stdout]      |
[INFO] [stdout] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1517:57
[INFO] [stdout]      |
[INFO] [stdout] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stdout]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1517:59
[INFO] [stdout]      |
[INFO] [stdout] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stdout]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1517:62
[INFO] [stdout]      |
[INFO] [stdout] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stdout]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1518:56
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stdout]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1518:58
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stdout]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1518:61
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stdout]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:78:58
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn etexrevision<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrim...
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn etexversion<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet...
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `protected_`
[INFO] [stdout]   --> src/tex/commands/etex.rs:87:132
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...hCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/etex.rs:106:56
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn unexpanded<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrimit...
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:112
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...<T,S=S,Gu=Gu>>(state:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:129
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...tate:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tex/commands.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Command::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]    |                                    ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]    --> src/tex/commands.rs:107:45
[INFO] [stdout]     |
[INFO] [stdout] 107 |             StomachCommandInner::Value{name,tp,..} => write!(f,"\\{}",name),
[INFO] [stdout]     |                                             ^^-
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/tex/commands.rs:110:48
[INFO] [stdout]     |
[INFO] [stdout] 110 |             StomachCommandInner::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:194:40
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn has_next<S:State<T>>(&mut self, state:&S) -> Result<bool,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:199:40
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn get_next<S:State<T>>(&mut self, state:&S) -> Result<Option<(T,bool)>,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:266:42
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 TeXMouthSource::NoExpand(t) => todo!("preview `\noexpand`ed token"),
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:298:42
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 TeXMouthSource::NoExpand(t) => return Ok(true)
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:33:25
[INFO] [stdout]     |
[INFO] [stdout] 33  |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expand`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:245:72
[INFO] [stdout]     |
[INFO] [stdout] 245 |         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout]     |                                                                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: `expand` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/engine/gullet/methods.rs:40:29
[INFO] [stdout]     |
[INFO] [stdout] 40  |           while let Some(($tk,$expand)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 257 | /         expand_group_with_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 258 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 259 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 260 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 267 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `catcode`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Command::Char {char,catcode} =>
[INFO] [stdout]     |                             ^^^^^^^ help: try ignoring the field: `catcode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:337:17
[INFO] [stdout]     |
[INFO] [stdout] 337 |             let idx = gullet.new_conditional();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:393:26
[INFO] [stdout]     |
[INFO] [stdout] 393 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:501:47
[INFO] [stdout]     |
[INFO] [stdout] 501 |             StomachCommandInner::Value {index,name,tp:Assignable::Int,..} => {
[INFO] [stdout]     |                                               ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:737:37
[INFO] [stdout]     |
[INFO] [stdout] 737 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:749:37
[INFO] [stdout]     |
[INFO] [stdout] 749 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:776:26
[INFO] [stdout]     |
[INFO] [stdout] 776 |     while let Some((next,e)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:783:29
[INFO] [stdout]     |
[INFO] [stdout] 783 |             BaseToken::Char(c,_) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/gullet.rs:66:56
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn get_keywords<'a>(&mut self, state:&mut Self::S, mut keywords:Vec<&'a str>) -> Result<Option<&'a str>,Box<dyn TeXError<T>>> {
[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: unused variable: `u`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ValueRegister(u,_) => todo!("ValueRegister assignment"),
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                  ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                       ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                               ^^ help: try ignoring the field: `tp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Char(x,_) => todo!("Character in digest"),
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]   --> src/engine/stomach.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn maybe_shipout(&mut self,force:bool) -> Option<Self::B> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/engine/filesystem.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut v = write.as_mut().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `commands` is never read
[INFO] [stdout]   --> src/engine/stomach.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct ShipoutDefaultStomach<T:Token,S:State<T>,Gu:Gullet<T>,B:TeXBox>{
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 69 |     commands:Map<fn(&mut S,&mut S::FS,&mut Gu,&mut Self,StomachCommand<T>,bool) -> Result<(),ErrorInPrimitive<T>>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> src/lib.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn trace() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `info` is never used
[INFO] [stdout]   --> src/lib.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn info() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `warn` is never used
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn warn() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error` is never used
[INFO] [stdout]   --> src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn error() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `SPACE` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:8
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |        ^^^^^ help: convert the identifier to snake case: `space`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:685:9
[INFO] [stdout]     |
[INFO] [stdout] 685 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("def",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:744:9
[INFO] [stdout]     |
[INFO] [stdout] 744 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("edef",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1141:9
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1149:17
[INFO] [stdout]      |
[INFO] [stdout] 1149 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1165:17
[INFO] [stdout]      |
[INFO] [stdout] 1165 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1260:5
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1274:5
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/engine.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         self.etex();
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = self.etex();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/engine/stomach/methods.rs:26:35
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Err(ModeError{cmd:name.clone(),mode:state.mode(),cause:Some(cmd.cause),source:None}.into())
[INFO] [stdout]    |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         env_logger::builder().filter_level(log::LevelFilter::Trace).try_init();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Trace).try_init();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         env_logger::builder().filter_level(log::LevelFilter::Debug).try_init();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Debug).try_init();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         env_logger::builder().filter_level(log::LevelFilter::Info).try_init();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Info).try_init();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         env_logger::builder().filter_level(log::LevelFilter::Warn).try_init();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Warn).try_init();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         env_logger::builder().filter_level(log::LevelFilter::Error).try_init();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Error).try_init();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 146 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.75s
[INFO] running `Command { std: "docker" "inspect" "b49982181cef6c8b2b70fb2e67de0c2d459674fe54a5ff457be508f0d0e32493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49982181cef6c8b2b70fb2e67de0c2d459674fe54a5ff457be508f0d0e32493", kill_on_drop: false }`
[INFO] [stdout] b49982181cef6c8b2b70fb2e67de0c2d459674fe54a5ff457be508f0d0e32493
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a666af6ae53d9abb6b15b03269f35c60be934b19c1a5b1b59ada8e032cd14ed
[INFO] running `Command { std: "docker" "start" "-a" "0a666af6ae53d9abb6b15b03269f35c60be934b19c1a5b1b59ada8e032cd14ed", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Assignable`, `Command`
[INFO] [stderr]  --> src/tex/commands/etex.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::tex::commands::{Assignable, Command, GulletCommand, StomachCommand, StomachCommandInner};
[INFO] [stderr]   |                            ^^^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GulletCommand`
[INFO] [stderr]  --> src/tex/commands/methods.rs:4:52
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::tex::commands::{Command, Def, ExpToken, GulletCommand, ParamToken, StomachCommand, StomachCommandInner};
[INFO] [stderr]   |                                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Dir`, `include_dir`
[INFO] [stderr]  --> src/tex/fonts.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use include_dir::{Dir, include_dir};
[INFO] [stderr]   |                   ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CategoryCodeScheme`
[INFO] [stderr]  --> src/engine/mouth/methods.rs:6:42
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::tex::catcodes::{CategoryCode, CategoryCodeScheme};
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/engine/stomach.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::state::modes::TeXGroupType`
[INFO] [stderr]  --> src/engine/stomach.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::engine::state::modes::TeXGroupType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ImplementationError`, `ModeError`
[INFO] [stderr]   --> src/engine/stomach.rs:11:46
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::utils::errors::{ErrorInPrimitive, ImplementationError, ModeError, TeXError};
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/utils/errors.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         write!(f,"Error in definition of {}",todo!("meaning of Def macro"))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------^
[INFO] [stderr]     |         |                                    |
[INFO] [stderr]     |         |                                    any code following this expression is unreachable
[INFO] [stderr]     |         unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `$crate::format_args` which comes from the expansion of the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/utils/errors.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 | /         return Err(ErrorInPrimitive{name:$name,msg:None,cause:Some($cause.cause),source:Some(
[INFO] [stderr] 181 | |             crate::utils::errors::FileEndedUnexpectedly{cause:None}.into()
[INFO] [stderr] 182 | |         )})
[INFO] [stderr]     | |           ^
[INFO] [stderr]     | |           |
[INFO] [stderr]     | |___________unreachable expression
[INFO] [stderr]     |             any code following this expression is unreachable
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tex/commands/tex.rs:892:5
[INFO] [stderr]     |
[INFO] [stderr] 892 |       file_end_prim!("edef",cmd)
[INFO] [stderr]     |       -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `file_end_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/engine/stomach.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |                     todo!("Handle whatsit");
[INFO] [stderr]    |                     ----------------------- any code following this expression is unreachable
[INFO] [stderr] 37 |                     self.maybe_shipout(force)
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iter`
[INFO] [stderr]    --> src/utils/strings.rs:287:21
[INFO] [stderr]     |
[INFO] [stderr] 287 |     fn from_u8_iter(iter: &mut IntoIter<u8>) -> Option<Self> {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/utils/strings.rs:290:38
[INFO] [stderr]     |
[INFO] [stderr] 290 |     fn rep_field<A: Clone + Default>(a: A) -> Self::Allchars<A> {
[INFO] [stderr]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/utils/strings.rs:300:19
[INFO] [stderr]     |
[INFO] [stderr] 300 |     fn get(&self, u: char) -> &A {
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/utils/strings.rs:304:23
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/utils/strings.rs:304:32
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stderr]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/utils/strings.rs:308:27
[INFO] [stderr]     |
[INFO] [stderr] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/utils/strings.rs:308:36
[INFO] [stderr]     |
[INFO] [stderr] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stderr]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sourceref`
[INFO] [stderr]   --> src/tex/token.rs:83:30
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn new(base:BaseToken<C>,sourceref:Option<(Ptr<String>,(usize,usize),(usize,usize))>) -> Self { base }
[INFO] [stderr]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sourceref`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/tex/commands/tex.rs:525:56
[INFO] [stderr]     |
[INFO] [stderr] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stderr]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]    --> src/tex/commands/tex.rs:594:81
[INFO] [stderr]     |
[INFO] [stderr] 594 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]    --> src/tex/commands/tex.rs:605:82
[INFO] [stderr]     |
[INFO] [stderr] 605 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/tex/commands/methods.rs:15:25
[INFO] [stderr]     |
[INFO] [stderr] 15  |           if let Some((tk,b)) = catch_prim!($mouth.get_next($state) => ($name,$cmd)) {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tex/commands/tex.rs:697:5
[INFO] [stderr]     |
[INFO] [stderr] 697 | /     map_group!("def",cmd,state,gullet.mouth(),{
[INFO] [stderr] 698 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stderr] 699 | |         match cs {
[INFO] [stderr] 700 | |             BaseToken::Char(c,_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 731 | |         }
[INFO] [stderr] 732 | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `map_group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/tex/commands/tex.rs:712:29
[INFO] [stderr]     |
[INFO] [stderr] 712 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/tex/commands/tex.rs:759:29
[INFO] [stderr]     |
[INFO] [stderr] 759 |               if let Some((tk,b)) = catch_prim!($gullet.mouth().get_next($state) => ("edef",cmd)) {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] ...
[INFO] [stderr] 840 | /     expand_group_with_unknowns!(state,gullet,{
[INFO] [stderr] 841 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stderr] 842 | |         match cs {
[INFO] [stderr] 843 | |             BaseToken::Char(c,_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 890 | |             Command::Def(def) if def.protected => replacement.push(ExpToken::Token(tk))
[INFO] [stderr] 891 | |     );
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/tex/commands/tex.rs:855:29
[INFO] [stderr]     |
[INFO] [stderr] 855 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gullet`
[INFO] [stderr]    --> src/tex/commands/tex.rs:924:74
[INFO] [stderr]     |
[INFO] [stderr] 924 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/tex/commands/tex.rs:924:89
[INFO] [stderr]     |
[INFO] [stderr] 924 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `eh`
[INFO] [stderr]    --> src/tex/commands/tex.rs:941:9
[INFO] [stderr]     |
[INFO] [stderr] 941 |     let eh = state.get_primitive_toks("errhelp");
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_eh`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gullet`
[INFO] [stderr]    --> src/tex/commands/tex.rs:966:73
[INFO] [stderr]     |
[INFO] [stderr] 966 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/tex/commands/tex.rs:966:88
[INFO] [stderr]     |
[INFO] [stderr] 966 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `global`
[INFO] [stderr]    --> src/tex/commands/tex.rs:983:100
[INFO] [stderr]     |
[INFO] [stderr] 983 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `global_`
[INFO] [stderr]    --> src/tex/commands/tex.rs:988:116
[INFO] [stderr]     |
[INFO] [stderr] 988 | ...o::Gu,cmd:StomachCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stderr]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `long_`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1184:144
[INFO] [stderr]      |
[INFO] [stderr] 1184 | ...,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stderr]      |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_long_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gullet`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1232:74
[INFO] [stderr]      |
[INFO] [stderr] 1232 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1232:89
[INFO] [stderr]      |
[INFO] [stderr] 1232 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]      |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1253:80
[INFO] [stderr]      |
[INFO] [stderr] 1253 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stderr]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1267:81
[INFO] [stderr]      |
[INFO] [stderr] 1267 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stderr]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `outer_`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1284:155
[INFO] [stderr]      |
[INFO] [stderr] 1284 | ...l,protected_:bool,long_:bool,outer_:bool)
[INFO] [stderr]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1390:41
[INFO] [stderr]      |
[INFO] [stderr] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stderr]      |                                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1390:46
[INFO] [stderr]      |
[INFO] [stderr] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stderr]      |                                              ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1405:79
[INFO] [stderr]      |
[INFO] [stderr] 1405 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stderr]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `global`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1446:100
[INFO] [stderr]      |
[INFO] [stderr] 1446 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stderr]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1497:52
[INFO] [stderr]      |
[INFO] [stderr] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stderr]      |                                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1497:54
[INFO] [stderr]      |
[INFO] [stderr] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stderr]      |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1497:57
[INFO] [stderr]      |
[INFO] [stderr] 1497 |     register_conditional!(if,state,stomach,gullet,(s,gu,cmd) =>todo!("if"));
[INFO] [stderr]      |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1498:56
[INFO] [stderr]      |
[INFO] [stderr] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stderr]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1498:58
[INFO] [stderr]      |
[INFO] [stderr] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stderr]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1498:61
[INFO] [stderr]      |
[INFO] [stderr] 1498 |     register_conditional!(ifcase,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcase"));
[INFO] [stderr]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1499:55
[INFO] [stderr]      |
[INFO] [stderr] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stderr]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1499:57
[INFO] [stderr]      |
[INFO] [stderr] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stderr]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1499:60
[INFO] [stderr]      |
[INFO] [stderr] 1499 |     register_conditional!(ifcat,state,stomach,gullet,(s,gu,cmd) =>todo!("ifcat"));
[INFO] [stderr]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1500:55
[INFO] [stderr]      |
[INFO] [stderr] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stderr]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1500:57
[INFO] [stderr]      |
[INFO] [stderr] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stderr]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1500:60
[INFO] [stderr]      |
[INFO] [stderr] 1500 |     register_conditional!(ifdim,state,stomach,gullet,(s,gu,cmd) =>todo!("ifdim"));
[INFO] [stderr]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1503:57
[INFO] [stderr]      |
[INFO] [stderr] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stderr]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1503:59
[INFO] [stderr]      |
[INFO] [stderr] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stderr]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1503:62
[INFO] [stderr]      |
[INFO] [stderr] 1503 |     register_conditional!(iffalse,state,stomach,gullet,(s,gu,cmd) => Ok(false));
[INFO] [stderr]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1505:56
[INFO] [stderr]      |
[INFO] [stderr] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stderr]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1505:58
[INFO] [stderr]      |
[INFO] [stderr] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stderr]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1505:61
[INFO] [stderr]      |
[INFO] [stderr] 1505 |     register_conditional!(ifhbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhbox"));
[INFO] [stderr]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1506:57
[INFO] [stderr]      |
[INFO] [stderr] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stderr]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1506:59
[INFO] [stderr]      |
[INFO] [stderr] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stderr]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1506:62
[INFO] [stderr]      |
[INFO] [stderr] 1506 |     register_conditional!(ifhmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifhmode"));
[INFO] [stderr]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1507:57
[INFO] [stderr]      |
[INFO] [stderr] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stderr]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1507:59
[INFO] [stderr]      |
[INFO] [stderr] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stderr]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1507:62
[INFO] [stderr]      |
[INFO] [stderr] 1507 |     register_conditional!(ifinner,state,stomach,gullet,(s,gu,cmd) =>todo!("ifinner"));
[INFO] [stderr]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1508:57
[INFO] [stderr]      |
[INFO] [stderr] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stderr]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1508:59
[INFO] [stderr]      |
[INFO] [stderr] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stderr]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1508:62
[INFO] [stderr]      |
[INFO] [stderr] 1508 |     register_conditional!(ifmmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifmmode"));
[INFO] [stderr]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1512:55
[INFO] [stderr]      |
[INFO] [stderr] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stderr]      |                                                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1512:57
[INFO] [stderr]      |
[INFO] [stderr] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stderr]      |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1512:60
[INFO] [stderr]      |
[INFO] [stderr] 1512 |     register_conditional!(ifodd,state,stomach,gullet,(s,gu,cmd) =>todo!("ifodd"));
[INFO] [stderr]      |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1514:56
[INFO] [stderr]      |
[INFO] [stderr] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stderr]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1514:58
[INFO] [stderr]      |
[INFO] [stderr] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stderr]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1514:61
[INFO] [stderr]      |
[INFO] [stderr] 1514 |     register_conditional!(iftrue,state,stomach,gullet,(s,gu,cmd) => Ok(true));
[INFO] [stderr]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1516:56
[INFO] [stderr]      |
[INFO] [stderr] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stderr]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1516:58
[INFO] [stderr]      |
[INFO] [stderr] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stderr]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1516:61
[INFO] [stderr]      |
[INFO] [stderr] 1516 |     register_conditional!(ifvbox,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvbox"));
[INFO] [stderr]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1517:57
[INFO] [stderr]      |
[INFO] [stderr] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stderr]      |                                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1517:59
[INFO] [stderr]      |
[INFO] [stderr] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stderr]      |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1517:62
[INFO] [stderr]      |
[INFO] [stderr] 1517 |     register_conditional!(ifvmode,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvmode"));
[INFO] [stderr]      |                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1518:56
[INFO] [stderr]      |
[INFO] [stderr] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stderr]      |                                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1518:58
[INFO] [stderr]      |
[INFO] [stderr] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stderr]      |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1518:61
[INFO] [stderr]      |
[INFO] [stderr] 1518 |     register_conditional!(ifvoid,state,stomach,gullet,(s,gu,cmd) =>todo!("ifvoid"));
[INFO] [stderr]      |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/tex/commands/etex.rs:78:58
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub fn etexrevision<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrim...
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/tex/commands/etex.rs:81:57
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn etexversion<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet...
[INFO] [stderr]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `protected_`
[INFO] [stderr]   --> src/tex/commands/etex.rs:87:132
[INFO] [stderr]    |
[INFO] [stderr] 87 | ...hCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stderr]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/tex/commands/etex.rs:106:56
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn unexpanded<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrimit...
[INFO] [stderr]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]    --> src/tex/commands/pdftex.rs:161:112
[INFO] [stderr]     |
[INFO] [stderr] 161 | ...<T,S=S,Gu=Gu>>(state:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stderr]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gullet`
[INFO] [stderr]    --> src/tex/commands/pdftex.rs:161:129
[INFO] [stderr]     |
[INFO] [stderr] 161 | ...tate:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/tex/commands.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Command::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stderr]    |                                    ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tp`
[INFO] [stderr]    --> src/tex/commands.rs:107:45
[INFO] [stderr]     |
[INFO] [stderr] 107 |             StomachCommandInner::Value{name,tp,..} => write!(f,"\\{}",name),
[INFO] [stderr]     |                                             ^^-
[INFO] [stderr]     |                                             |
[INFO] [stderr]     |                                             help: try removing the field
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/tex/commands.rs:110:48
[INFO] [stderr]     |
[INFO] [stderr] 110 |             StomachCommandInner::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stderr]     |                                                ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/engine/mouth.rs:194:40
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn has_next<S:State<T>>(&mut self, state:&S) -> Result<bool,InvalidCharacter<T>> {
[INFO] [stderr]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/engine/mouth.rs:199:40
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn get_next<S:State<T>>(&mut self, state:&S) -> Result<Option<(T,bool)>,InvalidCharacter<T>> {
[INFO] [stderr]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/engine/mouth.rs:266:42
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 TeXMouthSource::NoExpand(t) => todo!("preview `\noexpand`ed token"),
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/engine/mouth.rs:298:42
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 TeXMouthSource::NoExpand(t) => return Ok(true)
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:33:25
[INFO] [stderr]     |
[INFO] [stderr] 33  |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] ...
[INFO] [stderr] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stderr] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stderr] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stderr] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stderr] ...   |
[INFO] [stderr] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stderr] 255 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expand`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:245:72
[INFO] [stderr]     |
[INFO] [stderr] 245 |         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stderr]     |                                                                        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: `expand` is captured in macro and introduced a unused variable
[INFO] [stderr]    --> src/engine/gullet/methods.rs:40:29
[INFO] [stderr]     |
[INFO] [stderr] 40  |           while let Some(($tk,$expand)) = $gullet.mouth().get_next($state)? {
[INFO] [stderr]     |                               ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stderr] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stderr] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stderr] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stderr] ...   |
[INFO] [stderr] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stderr] 255 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:105:25
[INFO] [stderr]     |
[INFO] [stderr] 105 |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] ...
[INFO] [stderr] 257 | /         expand_group_with_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stderr] 258 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stderr] 259 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stderr] 260 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stderr] ...   |
[INFO] [stderr] 266 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stderr] 267 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `catcode`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:315:29
[INFO] [stderr]     |
[INFO] [stderr] 315 |         Command::Char {char,catcode} =>
[INFO] [stderr]     |                             ^^^^^^^ help: try ignoring the field: `catcode: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:337:17
[INFO] [stderr]     |
[INFO] [stderr] 337 |             let idx = gullet.new_conditional();
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exp`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:351:26
[INFO] [stderr]     |
[INFO] [stderr] 351 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stderr]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exp`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:393:26
[INFO] [stderr]     |
[INFO] [stderr] 393 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stderr]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:501:47
[INFO] [stderr]     |
[INFO] [stderr] 501 |             StomachCommandInner::Value {index,name,tp:Assignable::Int,..} => {
[INFO] [stderr]     |                                               ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:737:37
[INFO] [stderr]     |
[INFO] [stderr] 737 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:749:37
[INFO] [stderr]     |
[INFO] [stderr] 749 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:776:26
[INFO] [stderr]     |
[INFO] [stderr] 776 |     while let Some((next,e)) = gullet.mouth().get_next(state)? {
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:783:29
[INFO] [stderr]     |
[INFO] [stderr] 783 |             BaseToken::Char(c,_) => {
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine/gullet.rs:66:56
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn get_keywords<'a>(&mut self, state:&mut Self::S, mut keywords:Vec<&'a str>) -> Result<Option<&'a str>,Box<dyn TeXError<T>>> {
[INFO] [stderr]    |                                                        ----^^^^^^^^
[INFO] [stderr]    |                                                        |
[INFO] [stderr]    |                                                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |         ValueRegister(u,_) => todo!("ValueRegister assignment"),
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stderr]    |                  ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stderr]    |                       ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stderr]    |                          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tp`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:38:31
[INFO] [stderr]    |
[INFO] [stderr] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stderr]    |                               ^^ help: try ignoring the field: `tp: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:40:14
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Char(x,_) => todo!("Character in digest"),
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `force`
[INFO] [stderr]   --> src/engine/stomach.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn maybe_shipout(&mut self,force:bool) -> Option<Self::B> {
[INFO] [stderr]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/engine/filesystem.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let mut v = write.as_mut().unwrap();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `commands` is never read
[INFO] [stderr]   --> src/engine/stomach.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub struct ShipoutDefaultStomach<T:Token,S:State<T>,Gu:Gullet<T>,B:TeXBox>{
[INFO] [stderr]    |            --------------------- field in this struct
[INFO] [stderr] 69 |     commands:Map<fn(&mut S,&mut S::FS,&mut Gu,&mut Self,StomachCommand<T>,bool) -> Result<(),ErrorInPrimitive<T>>>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `SPACE` should have a snake case name
[INFO] [stderr]    --> src/tex/commands/tex.rs:525:8
[INFO] [stderr]     |
[INFO] [stderr] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stderr]     |        ^^^^^ help: convert the identifier to snake case: `space`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `csO` should have a snake case name
[INFO] [stderr]    --> src/tex/commands/tex.rs:685:9
[INFO] [stderr]     |
[INFO] [stderr] 685 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("def",cmd));
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `csO` should have a snake case name
[INFO] [stderr]    --> src/tex/commands/tex.rs:744:9
[INFO] [stderr]     |
[INFO] [stderr] 744 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("edef",cmd));
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `csO` should have a snake case name
[INFO] [stderr]     --> src/tex/commands/tex.rs:1141:9
[INFO] [stderr]      |
[INFO] [stderr] 1141 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stderr]      |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `csO` should have a snake case name
[INFO] [stderr]     --> src/tex/commands/tex.rs:1149:17
[INFO] [stderr]      |
[INFO] [stderr] 1149 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stderr]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `csO` should have a snake case name
[INFO] [stderr]     --> src/tex/commands/tex.rs:1165:17
[INFO] [stderr]      |
[INFO] [stderr] 1165 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stderr]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/tex/commands/tex.rs:1260:5
[INFO] [stderr]      |
[INFO] [stderr] 1260 |     gullet.mouth().skip_eq_char(state);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1260 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stderr]      |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/tex/commands/tex.rs:1274:5
[INFO] [stderr]      |
[INFO] [stderr] 1274 |     gullet.mouth().skip_eq_char(state);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1274 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stderr]      |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/engine.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         self.etex();
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let _ = self.etex();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/engine/stomach/methods.rs:26:35
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Err(ModeError{cmd:name.clone(),mode:state.mode(),cause:Some(cmd.cause),source:None}.into())
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tex_engine` (lib) generated 129 warnings (run `cargo fix --lib -p tex_engine` to apply 115 suggestions)
[INFO] [stderr] warning: unused imports: `debug`, `error`, `trace`, `warn`
[INFO] [stderr]   --> src/lib.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |     use log::{error, warn, info, debug, trace};
[INFO] [stderr]    |               ^^^^^  ^^^^        ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::gullet::TeXGullet`
[INFO] [stderr]   --> src/lib.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     use crate::engine::gullet::TeXGullet;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::mouth::TracingMouth`
[INFO] [stderr]   --> src/lib.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use crate::engine::mouth::TracingMouth;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Engine`
[INFO] [stderr]   --> src/lib.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |     use crate::engine::{Engine, new_tex_with_source_references, Outputs};
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::state::TeXState`
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     use crate::engine::state::TeXState;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::stomach::NoShipoutDefaultStomach`
[INFO] [stderr]   --> src/lib.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     use crate::engine::stomach::NoShipoutDefaultStomach;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tex::boxes::StandardTeXBox`
[INFO] [stderr]   --> src/lib.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     use crate::tex::boxes::StandardTeXBox;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tex::token::TokenWithSourceref`
[INFO] [stderr]   --> src/lib.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     use crate::tex::token::TokenWithSourceref;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `trace` is never used
[INFO] [stderr]   --> src/lib.rs:82:8
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn trace() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `info` is never used
[INFO] [stderr]   --> src/lib.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn info() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `warn` is never used
[INFO] [stderr]   --> src/lib.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn warn() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `error` is never used
[INFO] [stderr]   --> src/lib.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn error() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         env_logger::builder().filter_level(log::LevelFilter::Trace).try_init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Trace).try_init();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         env_logger::builder().filter_level(log::LevelFilter::Debug).try_init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Debug).try_init();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         env_logger::builder().filter_level(log::LevelFilter::Info).try_init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Info).try_init();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         env_logger::builder().filter_level(log::LevelFilter::Warn).try_init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Warn).try_init();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         env_logger::builder().filter_level(log::LevelFilter::Error).try_init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Error).try_init();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tex_engine` (lib test) generated 146 warnings (129 duplicates) (run `cargo fix --lib -p tex_engine --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tex_engine-f327265a7c1d8757)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] [2024-02-13T11:10:17Z DEBUG tex_engine::engine::filesystem::kpathsea] Initializing kpathsea database
[INFO] [stdout] test tests::engine ... FAILED
[INFO] [stdout] test tests::kpsewhich ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::engine stdout ----
[INFO] [stdout] thread 'tests::engine' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/env_logger-0.10.2/src/logger.rs:859:16:
[INFO] [stdout] env_logger::init should not be called after logger initialized: SetLoggerError(())
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56238a4e8166 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56238a4e8166 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56238a4e8166 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56238a4e8166 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56238a513590 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56238a513590 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56238a4e58af - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x56238a4e7f44 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56238a4e7f44 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56238a4e9cb7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x56238a4e999d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56238a47d047 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56238a47d047 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56238a4ea2d6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56238a4ea2d6 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x56238a4ea022 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x56238a4e8666 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56238a4e9d80 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x56238a076725 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56238a076d63 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x56238a17fa5e - core::result::Result<T,E>::expect::h303e051137d3e84f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1030:23
[INFO] [stdout]   21:     0x56238a182689 - env_logger::logger::init::h29ae87f551bd0057
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/env_logger-0.10.2/src/logger.rs:859:5
[INFO] [stdout]   22:     0x56238a0f645c - tex_engine::tests::engine::h97697e350d05071d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:126:9
[INFO] [stdout]   23:     0x56238a0f63e7 - tex_engine::tests::engine::{{closure}}::h0ceb11506adcb242
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:122:16
[INFO] [stdout]   24:     0x56238a137806 - core::ops::function::FnOnce::call_once::hda73eaad8b4c2efc
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56238a48291f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x56238a48291f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   27:     0x56238a4816a1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   28:     0x56238a4816a1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x56238a4816a1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x56238a4816a1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x56238a4816a1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x56238a4816a1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   33:     0x56238a4816a1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   34:     0x56238a4489d6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   35:     0x56238a4489d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   36:     0x56238a44da37 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x56238a44da37 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x56238a44da37 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   39:     0x56238a44da37 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   40:     0x56238a44da37 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x56238a44da37 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x56238a44da37 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x56238a4ef785 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x56238a4ef785 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x56238a4ef785 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f11e5a9cac3 - <unknown>
[INFO] [stdout]   47:     0x7f11e5b2dbf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::kpsewhich stdout ----
[INFO] [stdout] thread 'tests::kpsewhich' panicked at src/engine/filesystem/kpathsea.rs:89:62:
[INFO] [stdout] kpsewhich not found!: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56238a4e8166 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56238a4e8166 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56238a4e8166 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56238a4e8166 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56238a513590 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56238a513590 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56238a4e58af - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x56238a4e7f44 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56238a4e7f44 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56238a4e9cb7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x56238a4e999d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56238a47d047 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56238a47d047 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56238a4ea2d6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56238a4ea2d6 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x56238a4ea022 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x56238a4e8666 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56238a4e9d80 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x56238a076725 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56238a076d63 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x56238a148928 - core::result::Result<T,E>::expect::h2f76469ba5055450
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1030:23
[INFO] [stdout]   21:     0x56238a16dfd1 - tex_engine::engine::filesystem::kpathsea::KpathseaBase::new::h5947cb33060c994a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/filesystem/kpathsea.rs:88:39
[INFO] [stdout]   22:     0x56238a13622e - <tex_engine::engine::filesystem::kpathsea::KPATHSEA as core::ops::deref::Deref>::deref::__static_ref_initialize::hf12cae842f0045a6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/filesystem/kpathsea.rs:277:56
[INFO] [stdout]   23:     0x56238a13622e - core::ops::function::FnOnce::call_once::h8cc717e69699b372
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56238a163f6a - lazy_static::lazy::Lazy<T>::get::{{closure}}::hb964d829283f239e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stdout]   25:     0x56238a1482a4 - std::sync::once::Once::call_once::{{closure}}::he301e0a46130c1ae
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sync/once.rs:149:41
[INFO] [stdout]   26:     0x56238a142b62 - std::sys_common::once::futex::Once::call::h829fe47fffc97cf5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/once/futex.rs:124:21
[INFO] [stdout]   27:     0x56238a148177 - std::sync::once::Once::call_once::hd112284eac88c23d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sync/once.rs:149:9
[INFO] [stdout]   28:     0x56238a1736e9 - lazy_static::lazy::Lazy<T>::get::h2d3d7e94648f7611
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stdout]   29:     0x56238a1736e9 - <tex_engine::engine::filesystem::kpathsea::KPATHSEA as core::ops::deref::Deref>::deref::__stability::h10274732f1301165
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stdout]   30:     0x56238a1736e9 - <tex_engine::engine::filesystem::kpathsea::KPATHSEA as core::ops::deref::Deref>::deref::h8c2bbcbac6e57cd5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stdout]   31:     0x56238a16c95a - tex_engine::engine::filesystem::kpathsea::Kpathsea::new::h094d130c87ad4e7d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/filesystem/kpathsea.rs:17:22
[INFO] [stdout]   32:     0x56238a0fbc8f - <tex_engine::engine::filesystem::KpseVirtualFileSystem<Char> as tex_engine::engine::filesystem::FileSystem<Char>>::new::h4878109668dfd7fb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/filesystem.rs:184:18
[INFO] [stdout]   33:     0x56238a0f5577 - tex_engine::tests::kpsewhich::h6db957f54b1161ef
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:111:13
[INFO] [stdout]   34:     0x56238a0f54c7 - tex_engine::tests::kpsewhich::{{closure}}::h001832db4bdd40f8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:108:19
[INFO] [stdout]   35:     0x56238a134cf6 - core::ops::function::FnOnce::call_once::h39efac99d1697103
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   36:     0x56238a48291f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   37:     0x56238a48291f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   38:     0x56238a4816a1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   39:     0x56238a4816a1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   40:     0x56238a4816a1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   41:     0x56238a4816a1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   42:     0x56238a4816a1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   43:     0x56238a4816a1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   44:     0x56238a4816a1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   45:     0x56238a4489d6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   46:     0x56238a4489d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   47:     0x56238a44da37 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   48:     0x56238a44da37 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   49:     0x56238a44da37 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   50:     0x56238a44da37 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   51:     0x56238a44da37 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   52:     0x56238a44da37 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   53:     0x56238a44da37 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   54:     0x56238a4ef785 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   55:     0x56238a4ef785 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   56:     0x56238a4ef785 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   57:     0x7f11e5a9cac3 - <unknown>
[INFO] [stdout]   58:     0x7f11e5b2dbf4 - __clone
[INFO] [stdout]   59:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::engine
[INFO] [stdout]     tests::kpsewhich
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "0a666af6ae53d9abb6b15b03269f35c60be934b19c1a5b1b59ada8e032cd14ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a666af6ae53d9abb6b15b03269f35c60be934b19c1a5b1b59ada8e032cd14ed", kill_on_drop: false }`
[INFO] [stdout] 0a666af6ae53d9abb6b15b03269f35c60be934b19c1a5b1b59ada8e032cd14ed
[INFO] testing tex_engine-0.0.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate tex_engine 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate tex_engine 0.0.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tex_engine 0.0.1
[INFO] finished tweaking crates.io crate tex_engine 0.0.1
[INFO] tweaked toml for crates.io crate tex_engine 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cf4b3d0ed059ea9a70bf1e3a8a4b66e71b189ced7374cd640ec7828f7eb2dd0
[INFO] running `Command { std: "docker" "start" "-a" "7cf4b3d0ed059ea9a70bf1e3a8a4b66e71b189ced7374cd640ec7828f7eb2dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cf4b3d0ed059ea9a70bf1e3a8a4b66e71b189ced7374cd640ec7828f7eb2dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf4b3d0ed059ea9a70bf1e3a8a4b66e71b189ced7374cd640ec7828f7eb2dd0", kill_on_drop: false }`
[INFO] [stdout] 7cf4b3d0ed059ea9a70bf1e3a8a4b66e71b189ced7374cd640ec7828f7eb2dd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04a651a1a6a49eb378d798d72ecd092a9ee8bc1d985210c9df0ec3a25384ec1f
[INFO] running `Command { std: "docker" "start" "-a" "04a651a1a6a49eb378d798d72ecd092a9ee8bc1d985210c9df0ec3a25384ec1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling include_dir_macros v0.7.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling value-bag v1.7.0
[INFO] [stderr]    Compiling chrono v0.4.34
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling include_dir v0.7.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling ahash v0.8.8
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling tex_engine v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Assignable`, `Command`
[INFO] [stdout]  --> src/tex/commands/etex.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::tex::commands::{Assignable, Command, GulletCommand, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                            ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GulletCommand`
[INFO] [stdout]  --> src/tex/commands/methods.rs:4:52
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::tex::commands::{Command, Def, ExpToken, GulletCommand, ParamToken, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dir`, `include_dir`
[INFO] [stdout]  --> src/tex/fonts.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use include_dir::{Dir, include_dir};
[INFO] [stdout]   |                   ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CategoryCodeScheme`
[INFO] [stdout]  --> src/engine/mouth/methods.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::tex::catcodes::{CategoryCode, CategoryCodeScheme};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/engine/stomach.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::state::modes::TeXGroupType`
[INFO] [stdout]  --> src/engine/stomach.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::engine::state::modes::TeXGroupType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImplementationError`, `ModeError`
[INFO] [stdout]   --> src/engine/stomach.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::errors::{ErrorInPrimitive, ImplementationError, ModeError, TeXError};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f,"Error in definition of {}",todo!("meaning of Def macro"))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------^
[INFO] [stdout]     |         |                                    |
[INFO] [stdout]     |         |                                    any code following this expression is unreachable
[INFO] [stdout]     |         unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::format_args` which comes from the expansion of the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 | /         return Err(ErrorInPrimitive{name:$name,msg:None,cause:Some($cause.cause),source:Some(
[INFO] [stdout] 181 | |             crate::utils::errors::FileEndedUnexpectedly{cause:None}.into()
[INFO] [stdout] 182 | |         )})
[INFO] [stdout]     | |           ^
[INFO] [stdout]     | |           |
[INFO] [stdout]     | |___________unreachable expression
[INFO] [stdout]     |             any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:892:5
[INFO] [stdout]     |
[INFO] [stdout] 892 |       file_end_prim!("edef",cmd)
[INFO] [stdout]     |       -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `file_end_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/engine/stomach.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     todo!("Handle whatsit");
[INFO] [stdout]    |                     ----------------------- any code following this expression is unreachable
[INFO] [stdout] 37 |                     self.maybe_shipout(force)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]    --> src/utils/strings.rs:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn from_u8_iter(iter: &mut IntoIter<u8>) -> Option<Self> {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/utils/strings.rs:290:38
[INFO] [stdout]     |
[INFO] [stdout] 290 |     fn rep_field<A: Clone + Default>(a: A) -> Self::Allchars<A> {
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:300:19
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn get(&self, u: char) -> &A {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:304:23
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:304:32
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:308:27
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sourceref`
[INFO] [stdout]   --> src/tex/token.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn new(base:BaseToken<C>,sourceref:Option<(Ptr<String>,(usize,usize),(usize,usize))>) -> Self { base }
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sourceref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:56
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:594:81
[INFO] [stdout]     |
[INFO] [stdout] 594 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:605:82
[INFO] [stdout]     |
[INFO] [stdout] 605 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/methods.rs:15:25
[INFO] [stdout]     |
[INFO] [stdout] 15  |           if let Some((tk,b)) = catch_prim!($mouth.get_next($state) => ($name,$cmd)) {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 697 | /     map_group!("def",cmd,state,gullet.mouth(),{
[INFO] [stdout] 698 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 699 | |         match cs {
[INFO] [stdout] 700 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 731 | |         }
[INFO] [stdout] 732 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `map_group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:712:29
[INFO] [stdout]     |
[INFO] [stdout] 712 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/tex.rs:759:29
[INFO] [stdout]     |
[INFO] [stdout] 759 |               if let Some((tk,b)) = catch_prim!($gullet.mouth().get_next($state) => ("edef",cmd)) {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 840 | /     expand_group_with_unknowns!(state,gullet,{
[INFO] [stdout] 841 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 842 | |         match cs {
[INFO] [stdout] 843 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 890 | |             Command::Def(def) if def.protected => replacement.push(ExpToken::Token(tk))
[INFO] [stdout] 891 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:855:29
[INFO] [stdout]     |
[INFO] [stdout] 855 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:74
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:89
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eh`
[INFO] [stdout]    --> src/tex/commands/tex.rs:941:9
[INFO] [stdout]     |
[INFO] [stdout] 941 |     let eh = state.get_primitive_toks("errhelp");
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_eh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:73
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:88
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]    --> src/tex/commands/tex.rs:983:100
[INFO] [stdout]     |
[INFO] [stdout] 983 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_`
[INFO] [stdout]    --> src/tex/commands/tex.rs:988:116
[INFO] [stdout]     |
[INFO] [stdout] 988 | ...o::Gu,cmd:StomachCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `long_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1184:144
[INFO] [stdout]      |
[INFO] [stdout] 1184 | ...,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_long_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:74
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:89
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1253:80
[INFO] [stdout]      |
[INFO] [stdout] 1253 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1267:81
[INFO] [stdout]      |
[INFO] [stdout] 1267 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outer_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1284:155
[INFO] [stdout]      |
[INFO] [stdout] 1284 | ...l,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:41
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:46
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                              ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1405:79
[INFO] [stdout]      |
[INFO] [stdout] 1405 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1446:100
[INFO] [stdout]      |
[INFO] [stdout] 1446 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/tex/commands/methods.rs:170:67
[INFO] [stdout]     |
[INFO] [stdout] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stdout]     |                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]    --> src/tex/commands/methods.rs:170:70
[INFO] [stdout]     |
[INFO] [stdout] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/methods.rs:170:74
[INFO] [stdout]     |
[INFO] [stdout] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stdout]     |                                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:78:58
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn etexrevision<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrim...
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn etexversion<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet...
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `protected_`
[INFO] [stdout]   --> src/tex/commands/etex.rs:87:132
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...hCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/etex.rs:106:56
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn unexpanded<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrimit...
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:112
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...<T,S=S,Gu=Gu>>(state:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:129
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...tate:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tex/commands.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Command::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]    |                                    ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]    --> src/tex/commands.rs:107:45
[INFO] [stdout]     |
[INFO] [stdout] 107 |             StomachCommandInner::Value{name,tp,..} => write!(f,"\\{}",name),
[INFO] [stdout]     |                                             ^^-
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/tex/commands.rs:110:48
[INFO] [stdout]     |
[INFO] [stdout] 110 |             StomachCommandInner::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:194:40
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn has_next<S:State<T>>(&mut self, state:&S) -> Result<bool,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:199:40
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn get_next<S:State<T>>(&mut self, state:&S) -> Result<Option<(T,bool)>,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:266:42
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 TeXMouthSource::NoExpand(t) => todo!("preview `\noexpand`ed token"),
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:298:42
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 TeXMouthSource::NoExpand(t) => return Ok(true)
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:33:25
[INFO] [stdout]     |
[INFO] [stdout] 33  |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expand`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:245:72
[INFO] [stdout]     |
[INFO] [stdout] 245 |         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout]     |                                                                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: `expand` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/engine/gullet/methods.rs:40:29
[INFO] [stdout]     |
[INFO] [stdout] 40  |           while let Some(($tk,$expand)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 257 | /         expand_group_with_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 258 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 259 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 260 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 267 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `catcode`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Command::Char {char,catcode} =>
[INFO] [stdout]     |                             ^^^^^^^ help: try ignoring the field: `catcode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:337:17
[INFO] [stdout]     |
[INFO] [stdout] 337 |             let idx = gullet.new_conditional();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:393:26
[INFO] [stdout]     |
[INFO] [stdout] 393 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:501:47
[INFO] [stdout]     |
[INFO] [stdout] 501 |             StomachCommandInner::Value {index,name,tp:Assignable::Int,..} => {
[INFO] [stdout]     |                                               ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:737:37
[INFO] [stdout]     |
[INFO] [stdout] 737 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:749:37
[INFO] [stdout]     |
[INFO] [stdout] 749 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:776:26
[INFO] [stdout]     |
[INFO] [stdout] 776 |     while let Some((next,e)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:783:29
[INFO] [stdout]     |
[INFO] [stdout] 783 |             BaseToken::Char(c,_) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/gullet.rs:66:56
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn get_keywords<'a>(&mut self, state:&mut Self::S, mut keywords:Vec<&'a str>) -> Result<Option<&'a str>,Box<dyn TeXError<T>>> {
[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: unused variable: `u`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ValueRegister(u,_) => todo!("ValueRegister assignment"),
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                  ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                       ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                               ^^ help: try ignoring the field: `tp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Char(x,_) => todo!("Character in digest"),
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]   --> src/engine/stomach.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn maybe_shipout(&mut self,force:bool) -> Option<Self::B> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/engine/filesystem.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut v = write.as_mut().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `commands` is never read
[INFO] [stdout]   --> src/engine/stomach.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct ShipoutDefaultStomach<T:Token,S:State<T>,Gu:Gullet<T>,B:TeXBox>{
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 69 |     commands:Map<fn(&mut S,&mut S::FS,&mut Gu,&mut Self,StomachCommand<T>,bool) -> Result<(),ErrorInPrimitive<T>>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `SPACE` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:8
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |        ^^^^^ help: convert the identifier to snake case: `space`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:685:9
[INFO] [stdout]     |
[INFO] [stdout] 685 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("def",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:744:9
[INFO] [stdout]     |
[INFO] [stdout] 744 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("edef",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1141:9
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1149:17
[INFO] [stdout]      |
[INFO] [stdout] 1149 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1165:17
[INFO] [stdout]      |
[INFO] [stdout] 1165 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1260:5
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1274:5
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/engine.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         self.etex();
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = self.etex();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/engine/stomach/methods.rs:26:35
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Err(ModeError{cmd:name.clone(),mode:state.mode(),cause:Some(cmd.cause),source:None}.into())
[INFO] [stdout]    |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 90 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "04a651a1a6a49eb378d798d72ecd092a9ee8bc1d985210c9df0ec3a25384ec1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a651a1a6a49eb378d798d72ecd092a9ee8bc1d985210c9df0ec3a25384ec1f", kill_on_drop: false }`
[INFO] [stdout] 04a651a1a6a49eb378d798d72ecd092a9ee8bc1d985210c9df0ec3a25384ec1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c102f3d14efaf0e2f5c712d699f5ebbc6e9b734363719e88f9215a1b96f2546
[INFO] running `Command { std: "docker" "start" "-a" "9c102f3d14efaf0e2f5c712d699f5ebbc6e9b734363719e88f9215a1b96f2546", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling ahash v0.8.8
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling tex_engine v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Assignable`, `Command`
[INFO] [stdout]  --> src/tex/commands/etex.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::tex::commands::{Assignable, Command, GulletCommand, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                            ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GulletCommand`
[INFO] [stdout]  --> src/tex/commands/methods.rs:4:52
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::tex::commands::{Command, Def, ExpToken, GulletCommand, ParamToken, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dir`, `include_dir`
[INFO] [stdout]  --> src/tex/fonts.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use include_dir::{Dir, include_dir};
[INFO] [stdout]   |                   ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CategoryCodeScheme`
[INFO] [stdout]  --> src/engine/mouth/methods.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::tex::catcodes::{CategoryCode, CategoryCodeScheme};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/engine/stomach.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::state::modes::TeXGroupType`
[INFO] [stdout]  --> src/engine/stomach.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::engine::state::modes::TeXGroupType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImplementationError`, `ModeError`
[INFO] [stdout]   --> src/engine/stomach.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::errors::{ErrorInPrimitive, ImplementationError, ModeError, TeXError};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f,"Error in definition of {}",todo!("meaning of Def macro"))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------^
[INFO] [stdout]     |         |                                    |
[INFO] [stdout]     |         |                                    any code following this expression is unreachable
[INFO] [stdout]     |         unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::format_args` which comes from the expansion of the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 | /         return Err(ErrorInPrimitive{name:$name,msg:None,cause:Some($cause.cause),source:Some(
[INFO] [stdout] 181 | |             crate::utils::errors::FileEndedUnexpectedly{cause:None}.into()
[INFO] [stdout] 182 | |         )})
[INFO] [stdout]     | |           ^
[INFO] [stdout]     | |           |
[INFO] [stdout]     | |___________unreachable expression
[INFO] [stdout]     |             any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:892:5
[INFO] [stdout]     |
[INFO] [stdout] 892 |       file_end_prim!("edef",cmd)
[INFO] [stdout]     |       -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `file_end_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/engine/stomach.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     todo!("Handle whatsit");
[INFO] [stdout]    |                     ----------------------- any code following this expression is unreachable
[INFO] [stdout] 37 |                     self.maybe_shipout(force)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]    --> src/utils/strings.rs:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn from_u8_iter(iter: &mut IntoIter<u8>) -> Option<Self> {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/utils/strings.rs:290:38
[INFO] [stdout]     |
[INFO] [stdout] 290 |     fn rep_field<A: Clone + Default>(a: A) -> Self::Allchars<A> {
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:300:19
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn get(&self, u: char) -> &A {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:304:23
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:304:32
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:308:27
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sourceref`
[INFO] [stdout]   --> src/tex/token.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn new(base:BaseToken<C>,sourceref:Option<(Ptr<String>,(usize,usize),(usize,usize))>) -> Self { base }
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sourceref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:56
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:594:81
[INFO] [stdout]     |
[INFO] [stdout] 594 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:605:82
[INFO] [stdout]     |
[INFO] [stdout] 605 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/methods.rs:15:25
[INFO] [stdout]     |
[INFO] [stdout] 15  |           if let Some((tk,b)) = catch_prim!($mouth.get_next($state) => ($name,$cmd)) {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 697 | /     map_group!("def",cmd,state,gullet.mouth(),{
[INFO] [stdout] 698 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 699 | |         match cs {
[INFO] [stdout] 700 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 731 | |         }
[INFO] [stdout] 732 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `map_group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:712:29
[INFO] [stdout]     |
[INFO] [stdout] 712 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/tex.rs:759:29
[INFO] [stdout]     |
[INFO] [stdout] 759 |               if let Some((tk,b)) = catch_prim!($gullet.mouth().get_next($state) => ("edef",cmd)) {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 840 | /     expand_group_with_unknowns!(state,gullet,{
[INFO] [stdout] 841 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 842 | |         match cs {
[INFO] [stdout] 843 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 890 | |             Command::Def(def) if def.protected => replacement.push(ExpToken::Token(tk))
[INFO] [stdout] 891 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:855:29
[INFO] [stdout]     |
[INFO] [stdout] 855 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:74
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:89
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eh`
[INFO] [stdout]    --> src/tex/commands/tex.rs:941:9
[INFO] [stdout]     |
[INFO] [stdout] 941 |     let eh = state.get_primitive_toks("errhelp");
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_eh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:73
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:88
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]    --> src/tex/commands/tex.rs:983:100
[INFO] [stdout]     |
[INFO] [stdout] 983 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_`
[INFO] [stdout]    --> src/tex/commands/tex.rs:988:116
[INFO] [stdout]     |
[INFO] [stdout] 988 | ...o::Gu,cmd:StomachCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `long_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1184:144
[INFO] [stdout]      |
[INFO] [stdout] 1184 | ...,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_long_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:74
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:89
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1253:80
[INFO] [stdout]      |
[INFO] [stdout] 1253 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1267:81
[INFO] [stdout]      |
[INFO] [stdout] 1267 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outer_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1284:155
[INFO] [stdout]      |
[INFO] [stdout] 1284 | ...l,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:41
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:46
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                              ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1405:79
[INFO] [stdout]      |
[INFO] [stdout] 1405 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1446:100
[INFO] [stdout]      |
[INFO] [stdout] 1446 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/tex/commands/methods.rs:170:67
[INFO] [stdout]     |
[INFO] [stdout] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stdout]     |                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]    --> src/tex/commands/methods.rs:170:70
[INFO] [stdout]     |
[INFO] [stdout] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/methods.rs:170:74
[INFO] [stdout]     |
[INFO] [stdout] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stdout]     |                                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:78:58
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn etexrevision<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrim...
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn etexversion<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet...
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `protected_`
[INFO] [stdout]   --> src/tex/commands/etex.rs:87:132
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...hCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/etex.rs:106:56
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn unexpanded<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrimit...
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:112
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...<T,S=S,Gu=Gu>>(state:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:129
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...tate:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tex/commands.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Command::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]    |                                    ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]    --> src/tex/commands.rs:107:45
[INFO] [stdout]     |
[INFO] [stdout] 107 |             StomachCommandInner::Value{name,tp,..} => write!(f,"\\{}",name),
[INFO] [stdout]     |                                             ^^-
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/tex/commands.rs:110:48
[INFO] [stdout]     |
[INFO] [stdout] 110 |             StomachCommandInner::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:194:40
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn has_next<S:State<T>>(&mut self, state:&S) -> Result<bool,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:199:40
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn get_next<S:State<T>>(&mut self, state:&S) -> Result<Option<(T,bool)>,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:266:42
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 TeXMouthSource::NoExpand(t) => todo!("preview `\noexpand`ed token"),
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:298:42
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 TeXMouthSource::NoExpand(t) => return Ok(true)
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:33:25
[INFO] [stdout]     |
[INFO] [stdout] 33  |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expand`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:245:72
[INFO] [stdout]     |
[INFO] [stdout] 245 |         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout]     |                                                                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: `expand` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/engine/gullet/methods.rs:40:29
[INFO] [stdout]     |
[INFO] [stdout] 40  |           while let Some(($tk,$expand)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 257 | /         expand_group_with_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 258 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 259 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 260 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 267 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `catcode`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Command::Char {char,catcode} =>
[INFO] [stdout]     |                             ^^^^^^^ help: try ignoring the field: `catcode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:337:17
[INFO] [stdout]     |
[INFO] [stdout] 337 |             let idx = gullet.new_conditional();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:393:26
[INFO] [stdout]     |
[INFO] [stdout] 393 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:501:47
[INFO] [stdout]     |
[INFO] [stdout] 501 |             StomachCommandInner::Value {index,name,tp:Assignable::Int,..} => {
[INFO] [stdout]     |                                               ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:737:37
[INFO] [stdout]     |
[INFO] [stdout] 737 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:749:37
[INFO] [stdout]     |
[INFO] [stdout] 749 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:776:26
[INFO] [stdout]     |
[INFO] [stdout] 776 |     while let Some((next,e)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:783:29
[INFO] [stdout]     |
[INFO] [stdout] 783 |             BaseToken::Char(c,_) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/gullet.rs:66:56
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn get_keywords<'a>(&mut self, state:&mut Self::S, mut keywords:Vec<&'a str>) -> Result<Option<&'a str>,Box<dyn TeXError<T>>> {
[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: unused variable: `u`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ValueRegister(u,_) => todo!("ValueRegister assignment"),
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                  ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                       ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                               ^^ help: try ignoring the field: `tp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Char(x,_) => todo!("Character in digest"),
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]   --> src/engine/stomach.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn maybe_shipout(&mut self,force:bool) -> Option<Self::B> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/engine/filesystem.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut v = write.as_mut().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `commands` is never read
[INFO] [stdout]   --> src/engine/stomach.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct ShipoutDefaultStomach<T:Token,S:State<T>,Gu:Gullet<T>,B:TeXBox>{
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 69 |     commands:Map<fn(&mut S,&mut S::FS,&mut Gu,&mut Self,StomachCommand<T>,bool) -> Result<(),ErrorInPrimitive<T>>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `SPACE` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:8
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |        ^^^^^ help: convert the identifier to snake case: `space`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:685:9
[INFO] [stdout]     |
[INFO] [stdout] 685 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("def",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:744:9
[INFO] [stdout]     |
[INFO] [stdout] 744 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("edef",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1141:9
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1149:17
[INFO] [stdout]      |
[INFO] [stdout] 1149 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1165:17
[INFO] [stdout]      |
[INFO] [stdout] 1165 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1260:5
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1274:5
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/engine.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         self.etex();
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = self.etex();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/engine/stomach/methods.rs:26:35
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Err(ModeError{cmd:name.clone(),mode:state.mode(),cause:Some(cmd.cause),source:None}.into())
[INFO] [stdout]    |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Assignable`, `Command`
[INFO] [stdout]  --> src/tex/commands/etex.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::tex::commands::{Assignable, Command, GulletCommand, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                            ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GulletCommand`
[INFO] [stdout]  --> src/tex/commands/methods.rs:4:52
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::tex::commands::{Command, Def, ExpToken, GulletCommand, ParamToken, StomachCommand, StomachCommandInner};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dir`, `include_dir`
[INFO] [stdout]  --> src/tex/fonts.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use include_dir::{Dir, include_dir};
[INFO] [stdout]   |                   ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CategoryCodeScheme`
[INFO] [stdout]  --> src/engine/mouth/methods.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::tex::catcodes::{CategoryCode, CategoryCodeScheme};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/engine/stomach.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::state::modes::TeXGroupType`
[INFO] [stdout]  --> src/engine/stomach.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::engine::state::modes::TeXGroupType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImplementationError`, `ModeError`
[INFO] [stdout]   --> src/engine/stomach.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::errors::{ErrorInPrimitive, ImplementationError, ModeError, TeXError};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, `trace`, `warn`
[INFO] [stdout]   --> src/lib.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 |     use log::{error, warn, info, debug, trace};
[INFO] [stdout]    |               ^^^^^  ^^^^        ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::gullet::TeXGullet`
[INFO] [stdout]   --> src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use crate::engine::gullet::TeXGullet;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::mouth::TracingMouth`
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use crate::engine::mouth::TracingMouth;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Engine`
[INFO] [stdout]   --> src/lib.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use crate::engine::{Engine, new_tex_with_source_references, Outputs};
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::state::TeXState`
[INFO] [stdout]   --> src/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use crate::engine::state::TeXState;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::stomach::NoShipoutDefaultStomach`
[INFO] [stdout]   --> src/lib.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use crate::engine::stomach::NoShipoutDefaultStomach;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tex::boxes::StandardTeXBox`
[INFO] [stdout]   --> src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     use crate::tex::boxes::StandardTeXBox;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tex::token::TokenWithSourceref`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     use crate::tex::token::TokenWithSourceref;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f,"Error in definition of {}",todo!("meaning of Def macro"))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------^
[INFO] [stdout]     |         |                                    |
[INFO] [stdout]     |         |                                    any code following this expression is unreachable
[INFO] [stdout]     |         unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::format_args` which comes from the expansion of the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 90 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/utils/errors.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 | /         return Err(ErrorInPrimitive{name:$name,msg:None,cause:Some($cause.cause),source:Some(
[INFO] [stdout] 181 | |             crate::utils::errors::FileEndedUnexpectedly{cause:None}.into()
[INFO] [stdout] 182 | |         )})
[INFO] [stdout]     | |           ^
[INFO] [stdout]     | |           |
[INFO] [stdout]     | |___________unreachable expression
[INFO] [stdout]     |             any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:892:5
[INFO] [stdout]     |
[INFO] [stdout] 892 |       file_end_prim!("edef",cmd)
[INFO] [stdout]     |       -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `file_end_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/engine/stomach.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     todo!("Handle whatsit");
[INFO] [stdout]    |                     ----------------------- any code following this expression is unreachable
[INFO] [stdout] 37 |                     self.maybe_shipout(force)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]    --> src/utils/strings.rs:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn from_u8_iter(iter: &mut IntoIter<u8>) -> Option<Self> {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/utils/strings.rs:290:38
[INFO] [stdout]     |
[INFO] [stdout] 290 |     fn rep_field<A: Clone + Default>(a: A) -> Self::Allchars<A> {
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:300:19
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn get(&self, u: char) -> &A {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:304:23
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:304:32
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/utils/strings.rs:308:27
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/utils/strings.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sourceref`
[INFO] [stdout]   --> src/tex/token.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn new(base:BaseToken<C>,sourceref:Option<(Ptr<String>,(usize,usize),(usize,usize))>) -> Self { base }
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sourceref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:56
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:594:81
[INFO] [stdout]     |
[INFO] [stdout] 594 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/tex.rs:605:82
[INFO] [stdout]     |
[INFO] [stdout] 605 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/methods.rs:15:25
[INFO] [stdout]     |
[INFO] [stdout] 15  |           if let Some((tk,b)) = catch_prim!($mouth.get_next($state) => ($name,$cmd)) {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tex/commands/tex.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 697 | /     map_group!("def",cmd,state,gullet.mouth(),{
[INFO] [stdout] 698 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 699 | |         match cs {
[INFO] [stdout] 700 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 731 | |         }
[INFO] [stdout] 732 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `map_group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:712:29
[INFO] [stdout]     |
[INFO] [stdout] 712 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/tex/commands/tex.rs:759:29
[INFO] [stdout]     |
[INFO] [stdout] 759 |               if let Some((tk,b)) = catch_prim!($gullet.mouth().get_next($state) => ("edef",cmd)) {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 840 | /     expand_group_with_unknowns!(state,gullet,{
[INFO] [stdout] 841 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stdout] 842 | |         match cs {
[INFO] [stdout] 843 | |             BaseToken::Char(c,_) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 890 | |             Command::Def(def) if def.protected => replacement.push(ExpToken::Token(tk))
[INFO] [stdout] 891 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tex/commands/tex.rs:855:29
[INFO] [stdout]     |
[INFO] [stdout] 855 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:74
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:924:89
[INFO] [stdout]     |
[INFO] [stdout] 924 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eh`
[INFO] [stdout]    --> src/tex/commands/tex.rs:941:9
[INFO] [stdout]     |
[INFO] [stdout] 941 |     let eh = state.get_primitive_toks("errhelp");
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_eh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:73
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/tex.rs:966:88
[INFO] [stdout]     |
[INFO] [stdout] 966 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]    --> src/tex/commands/tex.rs:983:100
[INFO] [stdout]     |
[INFO] [stdout] 983 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_`
[INFO] [stdout]    --> src/tex/commands/tex.rs:988:116
[INFO] [stdout]     |
[INFO] [stdout] 988 | ...o::Gu,cmd:StomachCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `long_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1184:144
[INFO] [stdout]      |
[INFO] [stdout] 1184 | ...,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_long_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:74
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1232:89
[INFO] [stdout]      |
[INFO] [stdout] 1232 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1253:80
[INFO] [stdout]      |
[INFO] [stdout] 1253 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1267:81
[INFO] [stdout]      |
[INFO] [stdout] 1267 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outer_`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1284:155
[INFO] [stdout]      |
[INFO] [stdout] 1284 | ...l,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:41
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1390:46
[INFO] [stdout]      |
[INFO] [stdout] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stdout]      |                                              ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1405:79
[INFO] [stdout]      |
[INFO] [stdout] 1405 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stdout]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global`
[INFO] [stdout]     --> src/tex/commands/tex.rs:1446:100
[INFO] [stdout]      |
[INFO] [stdout] 1446 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stdout]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/tex/commands/methods.rs:170:67
[INFO] [stdout]     |
[INFO] [stdout] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stdout]     |                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gu`
[INFO] [stdout]    --> src/tex/commands/methods.rs:170:70
[INFO] [stdout]     |
[INFO] [stdout] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/tex/commands/methods.rs:170:74
[INFO] [stdout]     |
[INFO] [stdout] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stdout]     |                                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:78:58
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn etexrevision<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrim...
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/tex/commands/etex.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn etexversion<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet...
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `protected_`
[INFO] [stdout]   --> src/tex/commands/etex.rs:87:132
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...hCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/tex/commands/etex.rs:106:56
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn unexpanded<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrimit...
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stomach`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:112
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...<T,S=S,Gu=Gu>>(state:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gullet`
[INFO] [stdout]    --> src/tex/commands/pdftex.rs:161:129
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...tate:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/tex/commands.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Command::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]    |                                    ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]    --> src/tex/commands.rs:107:45
[INFO] [stdout]     |
[INFO] [stdout] 107 |             StomachCommandInner::Value{name,tp,..} => write!(f,"\\{}",name),
[INFO] [stdout]     |                                             ^^-
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/tex/commands.rs:110:48
[INFO] [stdout]     |
[INFO] [stdout] 110 |             StomachCommandInner::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:194:40
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn has_next<S:State<T>>(&mut self, state:&S) -> Result<bool,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/engine/mouth.rs:199:40
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn get_next<S:State<T>>(&mut self, state:&S) -> Result<Option<(T,bool)>,InvalidCharacter<T>> {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:266:42
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 TeXMouthSource::NoExpand(t) => todo!("preview `\noexpand`ed token"),
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/engine/mouth.rs:298:42
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 TeXMouthSource::NoExpand(t) => return Ok(true)
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:33:25
[INFO] [stdout]     |
[INFO] [stdout] 33  |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expand`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:245:72
[INFO] [stdout]     |
[INFO] [stdout] 245 |         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout]     |                                                                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: `expand` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/engine/gullet/methods.rs:40:29
[INFO] [stdout]     |
[INFO] [stdout] 40  |           while let Some(($tk,$expand)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 255 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] ...
[INFO] [stdout] 257 | /         expand_group_with_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stdout] 258 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stdout] 259 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stdout] 260 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stdout] 267 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `catcode`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Command::Char {char,catcode} =>
[INFO] [stdout]     |                             ^^^^^^^ help: try ignoring the field: `catcode: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:337:17
[INFO] [stdout]     |
[INFO] [stdout] 337 |             let idx = gullet.new_conditional();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:351:26
[INFO] [stdout]     |
[INFO] [stdout] 351 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:393:26
[INFO] [stdout]     |
[INFO] [stdout] 393 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:501:47
[INFO] [stdout]     |
[INFO] [stdout] 501 |             StomachCommandInner::Value {index,name,tp:Assignable::Int,..} => {
[INFO] [stdout]     |                                               ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:737:37
[INFO] [stdout]     |
[INFO] [stdout] 737 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:749:37
[INFO] [stdout]     |
[INFO] [stdout] 749 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:776:26
[INFO] [stdout]     |
[INFO] [stdout] 776 |     while let Some((next,e)) = gullet.mouth().get_next(state)? {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/engine/gullet/methods.rs:783:29
[INFO] [stdout]     |
[INFO] [stdout] 783 |             BaseToken::Char(c,_) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/gullet.rs:66:56
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn get_keywords<'a>(&mut self, state:&mut Self::S, mut keywords:Vec<&'a str>) -> Result<Option<&'a str>,Box<dyn TeXError<T>>> {
[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: unused variable: `u`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ValueRegister(u,_) => todo!("ValueRegister assignment"),
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                  ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stdout]    |                       ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tp`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stdout]    |                               ^^ help: try ignoring the field: `tp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/engine/stomach/methods.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Char(x,_) => todo!("Character in digest"),
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]   --> src/engine/stomach.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn maybe_shipout(&mut self,force:bool) -> Option<Self::B> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/engine/filesystem.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut v = write.as_mut().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `commands` is never read
[INFO] [stdout]   --> src/engine/stomach.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct ShipoutDefaultStomach<T:Token,S:State<T>,Gu:Gullet<T>,B:TeXBox>{
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 69 |     commands:Map<fn(&mut S,&mut S::FS,&mut Gu,&mut Self,StomachCommand<T>,bool) -> Result<(),ErrorInPrimitive<T>>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> src/lib.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn trace() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `info` is never used
[INFO] [stdout]   --> src/lib.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn info() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `warn` is never used
[INFO] [stdout]   --> src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn warn() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error` is never used
[INFO] [stdout]   --> src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn error() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `SPACE` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:525:8
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stdout]     |        ^^^^^ help: convert the identifier to snake case: `space`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:685:9
[INFO] [stdout]     |
[INFO] [stdout] 685 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("def",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]    --> src/tex/commands/tex.rs:744:9
[INFO] [stdout]     |
[INFO] [stdout] 744 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("edef",cmd));
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1141:9
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1149:17
[INFO] [stdout]      |
[INFO] [stdout] 1149 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `csO` should have a snake case name
[INFO] [stdout]     --> src/tex/commands/tex.rs:1165:17
[INFO] [stdout]      |
[INFO] [stdout] 1165 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stdout]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1260:5
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/tex/commands/tex.rs:1274:5
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/engine.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         self.etex();
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = self.etex();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/engine/stomach/methods.rs:26:35
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Err(ModeError{cmd:name.clone(),mode:state.mode(),cause:Some(cmd.cause),source:None}.into())
[INFO] [stdout]    |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         env_logger::builder().filter_level(log::LevelFilter::Trace).try_init();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Trace).try_init();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         env_logger::builder().filter_level(log::LevelFilter::Debug).try_init();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Debug).try_init();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         env_logger::builder().filter_level(log::LevelFilter::Info).try_init();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Info).try_init();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         env_logger::builder().filter_level(log::LevelFilter::Warn).try_init();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Warn).try_init();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         env_logger::builder().filter_level(log::LevelFilter::Error).try_init();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Error).try_init();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 107 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.44s
[INFO] running `Command { std: "docker" "inspect" "9c102f3d14efaf0e2f5c712d699f5ebbc6e9b734363719e88f9215a1b96f2546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c102f3d14efaf0e2f5c712d699f5ebbc6e9b734363719e88f9215a1b96f2546", kill_on_drop: false }`
[INFO] [stdout] 9c102f3d14efaf0e2f5c712d699f5ebbc6e9b734363719e88f9215a1b96f2546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7051ac8f9982c1b78600d453e2dfc961a19b16e149b3264fbfc6f84c3b83e8d2
[INFO] running `Command { std: "docker" "start" "-a" "7051ac8f9982c1b78600d453e2dfc961a19b16e149b3264fbfc6f84c3b83e8d2", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Assignable`, `Command`
[INFO] [stderr]  --> src/tex/commands/etex.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::tex::commands::{Assignable, Command, GulletCommand, StomachCommand, StomachCommandInner};
[INFO] [stderr]   |                            ^^^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GulletCommand`
[INFO] [stderr]  --> src/tex/commands/methods.rs:4:52
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::tex::commands::{Command, Def, ExpToken, GulletCommand, ParamToken, StomachCommand, StomachCommandInner};
[INFO] [stderr]   |                                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Dir`, `include_dir`
[INFO] [stderr]  --> src/tex/fonts.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use include_dir::{Dir, include_dir};
[INFO] [stderr]   |                   ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CategoryCodeScheme`
[INFO] [stderr]  --> src/engine/mouth/methods.rs:6:42
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::tex::catcodes::{CategoryCode, CategoryCodeScheme};
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/engine/stomach.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::state::modes::TeXGroupType`
[INFO] [stderr]  --> src/engine/stomach.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::engine::state::modes::TeXGroupType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ImplementationError`, `ModeError`
[INFO] [stderr]   --> src/engine/stomach.rs:11:46
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::utils::errors::{ErrorInPrimitive, ImplementationError, ModeError, TeXError};
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/utils/errors.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         write!(f,"Error in definition of {}",todo!("meaning of Def macro"))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------------^
[INFO] [stderr]     |         |                                    |
[INFO] [stderr]     |         |                                    any code following this expression is unreachable
[INFO] [stderr]     |         unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `$crate::format_args` which comes from the expansion of the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/utils/errors.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 | /         return Err(ErrorInPrimitive{name:$name,msg:None,cause:Some($cause.cause),source:Some(
[INFO] [stderr] 181 | |             crate::utils::errors::FileEndedUnexpectedly{cause:None}.into()
[INFO] [stderr] 182 | |         )})
[INFO] [stderr]     | |           ^
[INFO] [stderr]     | |           |
[INFO] [stderr]     | |___________unreachable expression
[INFO] [stderr]     |             any code following this expression is unreachable
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tex/commands/tex.rs:892:5
[INFO] [stderr]     |
[INFO] [stderr] 892 |       file_end_prim!("edef",cmd)
[INFO] [stderr]     |       -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `file_end_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/engine/stomach.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |                     todo!("Handle whatsit");
[INFO] [stderr]    |                     ----------------------- any code following this expression is unreachable
[INFO] [stderr] 37 |                     self.maybe_shipout(force)
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iter`
[INFO] [stderr]    --> src/utils/strings.rs:287:21
[INFO] [stderr]     |
[INFO] [stderr] 287 |     fn from_u8_iter(iter: &mut IntoIter<u8>) -> Option<Self> {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/utils/strings.rs:290:38
[INFO] [stderr]     |
[INFO] [stderr] 290 |     fn rep_field<A: Clone + Default>(a: A) -> Self::Allchars<A> {
[INFO] [stderr]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/utils/strings.rs:300:19
[INFO] [stderr]     |
[INFO] [stderr] 300 |     fn get(&self, u: char) -> &A {
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/utils/strings.rs:304:23
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/utils/strings.rs:304:32
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn set(&mut self, u: char, v: A) {
[INFO] [stderr]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/utils/strings.rs:308:27
[INFO] [stderr]     |
[INFO] [stderr] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/utils/strings.rs:308:36
[INFO] [stderr]     |
[INFO] [stderr] 308 |     fn replace(&mut self, u: char, v: A) -> A {
[INFO] [stderr]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sourceref`
[INFO] [stderr]   --> src/tex/token.rs:83:30
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn new(base:BaseToken<C>,sourceref:Option<(Ptr<String>,(usize,usize),(usize,usize))>) -> Self { base }
[INFO] [stderr]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sourceref`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/tex/commands/tex.rs:525:56
[INFO] [stderr]     |
[INFO] [stderr] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stderr]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]    --> src/tex/commands/tex.rs:594:81
[INFO] [stderr]     |
[INFO] [stderr] 594 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]    --> src/tex/commands/tex.rs:605:82
[INFO] [stderr]     |
[INFO] [stderr] 605 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/tex/commands/methods.rs:15:25
[INFO] [stderr]     |
[INFO] [stderr] 15  |           if let Some((tk,b)) = catch_prim!($mouth.get_next($state) => ($name,$cmd)) {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tex/commands/tex.rs:697:5
[INFO] [stderr]     |
[INFO] [stderr] 697 | /     map_group!("def",cmd,state,gullet.mouth(),{
[INFO] [stderr] 698 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stderr] 699 | |         match cs {
[INFO] [stderr] 700 | |             BaseToken::Char(c,_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 731 | |         }
[INFO] [stderr] 732 | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `map_group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/tex/commands/tex.rs:712:29
[INFO] [stderr]     |
[INFO] [stderr] 712 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/tex/commands/tex.rs:759:29
[INFO] [stderr]     |
[INFO] [stderr] 759 |               if let Some((tk,b)) = catch_prim!($gullet.mouth().get_next($state) => ("edef",cmd)) {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] ...
[INFO] [stderr] 840 | /     expand_group_with_unknowns!(state,gullet,{
[INFO] [stderr] 841 | |         let def = Command::Def(Def{protected,long,outer,endswithbrace,arity,signature,replacement});
[INFO] [stderr] 842 | |         match cs {
[INFO] [stderr] 843 | |             BaseToken::Char(c,_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 890 | |             Command::Def(def) if def.protected => replacement.push(ExpToken::Token(tk))
[INFO] [stderr] 891 | |     );
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/tex/commands/tex.rs:855:29
[INFO] [stderr]     |
[INFO] [stderr] 855 |             BaseToken::Char(c,CategoryCode::Parameter) => {
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gullet`
[INFO] [stderr]    --> src/tex/commands/tex.rs:924:74
[INFO] [stderr]     |
[INFO] [stderr] 924 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/tex/commands/tex.rs:924:89
[INFO] [stderr]     |
[INFO] [stderr] 924 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `eh`
[INFO] [stderr]    --> src/tex/commands/tex.rs:941:9
[INFO] [stderr]     |
[INFO] [stderr] 941 |     let eh = state.get_primitive_toks("errhelp");
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_eh`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gullet`
[INFO] [stderr]    --> src/tex/commands/tex.rs:966:73
[INFO] [stderr]     |
[INFO] [stderr] 966 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/tex/commands/tex.rs:966:88
[INFO] [stderr]     |
[INFO] [stderr] 966 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `global`
[INFO] [stderr]    --> src/tex/commands/tex.rs:983:100
[INFO] [stderr]     |
[INFO] [stderr] 983 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `global_`
[INFO] [stderr]    --> src/tex/commands/tex.rs:988:116
[INFO] [stderr]     |
[INFO] [stderr] 988 | ...o::Gu,cmd:StomachCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stderr]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `long_`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1184:144
[INFO] [stderr]      |
[INFO] [stderr] 1184 | ...,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stderr]      |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_long_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gullet`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1232:74
[INFO] [stderr]      |
[INFO] [stderr] 1232 | ...:Gullet<T,S=S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1232:89
[INFO] [stderr]      |
[INFO] [stderr] 1232 | ...S>>(state:&mut S,gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet>::Int,ErrorInPrimitive<T>> {
[INFO] [stderr]      |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1253:80
[INFO] [stderr]      |
[INFO] [stderr] 1253 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<(), ErrorInPrimitive<T>> {
[INFO] [stderr]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1267:81
[INFO] [stderr]      |
[INFO] [stderr] 1267 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stderr]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `outer_`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1284:155
[INFO] [stderr]      |
[INFO] [stderr] 1284 | ...l,protected_:bool,long_:bool,outer_:bool)
[INFO] [stderr]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1390:41
[INFO] [stderr]      |
[INFO] [stderr] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stderr]      |                                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1390:46
[INFO] [stderr]      |
[INFO] [stderr] 1390 |             StomachCommandInner::Value {name,index,tp:_} => {
[INFO] [stderr]      |                                              ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1405:79
[INFO] [stderr]      |
[INFO] [stderr] 1405 | ...to::S, gullet:&mut Sto::Gu, stomach:&mut Sto, cmd:StomachCommand<T>) -> Result<Whatsit<T, Sto>, ErrorInPrimitive<T>> {
[INFO] [stderr]      |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `global`
[INFO] [stderr]     --> src/tex/commands/tex.rs:1446:100
[INFO] [stderr]      |
[INFO] [stderr] 1446 | ...mut Gu,cmd:StomachCommand<T>,global:bool,protected:bool,long:bool,outer:bool)
[INFO] [stderr]      |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/tex/commands/methods.rs:170:67
[INFO] [stderr]     |
[INFO] [stderr] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stderr]     |                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gu`
[INFO] [stderr]    --> src/tex/commands/methods.rs:170:70
[INFO] [stderr]     |
[INFO] [stderr] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stderr]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_gu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/tex/commands/methods.rs:170:74
[INFO] [stderr]     |
[INFO] [stderr] 170 |             index:$gullet.register_conditional(stringify!($name),|$s,$gu,$cmd| $f)
[INFO] [stderr]     |                                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/tex/commands/etex.rs:78:58
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub fn etexrevision<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrim...
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/tex/commands/etex.rs:81:57
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn etexversion<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,cmd:GulletCommand<T>) -> Result<<S::NumSet as NumSet...
[INFO] [stderr]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `protected_`
[INFO] [stderr]   --> src/tex/commands/etex.rs:87:132
[INFO] [stderr]    |
[INFO] [stderr] 87 | ...hCommand<T>,global_:bool,protected_:bool,long_:bool,outer_:bool)
[INFO] [stderr]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_protected_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/tex/commands/etex.rs:106:56
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn unexpanded<T:Token,S:State<T>,Gu:Gullet<T,S=S>>(state:&mut S,_gullet:&mut Gu,_cmd:GulletCommand<T>) -> Result<Vec<T>,ErrorInPrimit...
[INFO] [stderr]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stomach`
[INFO] [stderr]    --> src/tex/commands/pdftex.rs:161:112
[INFO] [stderr]     |
[INFO] [stderr] 161 | ...<T,S=S,Gu=Gu>>(state:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stderr]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stomach`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gullet`
[INFO] [stderr]    --> src/tex/commands/pdftex.rs:161:129
[INFO] [stderr]     |
[INFO] [stderr] 161 | ...tate:&mut S,stomach:&mut Sto,gullet:&mut Gu) {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gullet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/tex/commands.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Command::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stderr]    |                                    ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tp`
[INFO] [stderr]    --> src/tex/commands.rs:107:45
[INFO] [stderr]     |
[INFO] [stderr] 107 |             StomachCommandInner::Value{name,tp,..} => write!(f,"\\{}",name),
[INFO] [stderr]     |                                             ^^-
[INFO] [stderr]     |                                             |
[INFO] [stderr]     |                                             help: try removing the field
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/tex/commands.rs:110:48
[INFO] [stderr]     |
[INFO] [stderr] 110 |             StomachCommandInner::Whatsit {name,index} => write!(f,"Whatsit {}",name),
[INFO] [stderr]     |                                                ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/engine/mouth.rs:194:40
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn has_next<S:State<T>>(&mut self, state:&S) -> Result<bool,InvalidCharacter<T>> {
[INFO] [stderr]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/engine/mouth.rs:199:40
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn get_next<S:State<T>>(&mut self, state:&S) -> Result<Option<(T,bool)>,InvalidCharacter<T>> {
[INFO] [stderr]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/engine/mouth.rs:266:42
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 TeXMouthSource::NoExpand(t) => todo!("preview `\noexpand`ed token"),
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/engine/mouth.rs:298:42
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 TeXMouthSource::NoExpand(t) => return Ok(true)
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:33:25
[INFO] [stderr]     |
[INFO] [stderr] 33  |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] ...
[INFO] [stderr] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stderr] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stderr] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stderr] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stderr] ...   |
[INFO] [stderr] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stderr] 255 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expand`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:245:72
[INFO] [stderr]     |
[INFO] [stderr] 245 |         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stderr]     |                                                                        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: `expand` is captured in macro and introduced a unused variable
[INFO] [stderr]    --> src/engine/gullet/methods.rs:40:29
[INFO] [stderr]     |
[INFO] [stderr] 40  |           while let Some(($tk,$expand)) = $gullet.mouth().get_next($state)? {
[INFO] [stderr]     |                               ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 245 | /         expand_group_without_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stderr] 246 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stderr] 247 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stderr] 248 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stderr] ...   |
[INFO] [stderr] 254 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stderr] 255 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     = note: this warning originates in the macro `expand_group_without_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:105:25
[INFO] [stderr]     |
[INFO] [stderr] 105 |           if let Some((tk,b)) = $gullet.mouth().get_next($state)? {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] ...
[INFO] [stderr] 257 | /         expand_group_with_unknowns!(state,gullet,return Ok(tks),(tk,expand) => tks.push(tk);
[INFO] [stderr] 258 | |             Command::Gullet {name:"the",..} if keep_the => todo!("'the' in expansion"),
[INFO] [stderr] 259 | |             Command::Gullet {name:"unexpanded",..} => todo!("'unexpanded' in expansion"),
[INFO] [stderr] 260 | |             Command::Gullet {name:"noexpand",..} => {
[INFO] [stderr] ...   |
[INFO] [stderr] 266 | |             Command::Def(def) if def.protected && !expand_protected => tks.push(tk)
[INFO] [stderr] 267 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `expand_group_with_unknowns` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `catcode`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:315:29
[INFO] [stderr]     |
[INFO] [stderr] 315 |         Command::Char {char,catcode} =>
[INFO] [stderr]     |                             ^^^^^^^ help: try ignoring the field: `catcode: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:337:17
[INFO] [stderr]     |
[INFO] [stderr] 337 |             let idx = gullet.new_conditional();
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exp`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:351:26
[INFO] [stderr]     |
[INFO] [stderr] 351 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stderr]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exp`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:393:26
[INFO] [stderr]     |
[INFO] [stderr] 393 |     while let Some((next,exp)) = gullet.mouth().get_next(state)? {
[INFO] [stderr]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:501:47
[INFO] [stderr]     |
[INFO] [stderr] 501 |             StomachCommandInner::Value {index,name,tp:Assignable::Int,..} => {
[INFO] [stderr]     |                                               ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:737:37
[INFO] [stderr]     |
[INFO] [stderr] 737 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:749:37
[INFO] [stderr]     |
[INFO] [stderr] 749 |                     BaseToken::Char(c,CategoryCode::Space) => s.push(b' '),
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:776:26
[INFO] [stderr]     |
[INFO] [stderr] 776 |     while let Some((next,e)) = gullet.mouth().get_next(state)? {
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/engine/gullet/methods.rs:783:29
[INFO] [stderr]     |
[INFO] [stderr] 783 |             BaseToken::Char(c,_) => {
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine/gullet.rs:66:56
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn get_keywords<'a>(&mut self, state:&mut Self::S, mut keywords:Vec<&'a str>) -> Result<Option<&'a str>,Box<dyn TeXError<T>>> {
[INFO] [stderr]    |                                                        ----^^^^^^^^
[INFO] [stderr]    |                                                        |
[INFO] [stderr]    |                                                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |         ValueRegister(u,_) => todo!("ValueRegister assignment"),
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stderr]    |                  ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |         Whatsit {name,index} => todo!("Whatsits"),
[INFO] [stderr]    |                       ^^^^^ help: try ignoring the field: `index: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stderr]    |                          ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tp`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:38:31
[INFO] [stderr]    |
[INFO] [stderr] 38 |         AssignableValue {name,tp} => todo!("Assignable Value"),
[INFO] [stderr]    |                               ^^ help: try ignoring the field: `tp: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/engine/stomach/methods.rs:40:14
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Char(x,_) => todo!("Character in digest"),
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `force`
[INFO] [stderr]   --> src/engine/stomach.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn maybe_shipout(&mut self,force:bool) -> Option<Self::B> {
[INFO] [stderr]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/engine/filesystem.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let mut v = write.as_mut().unwrap();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `commands` is never read
[INFO] [stderr]   --> src/engine/stomach.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub struct ShipoutDefaultStomach<T:Token,S:State<T>,Gu:Gullet<T>,B:TeXBox>{
[INFO] [stderr]    |            --------------------- field in this struct
[INFO] [stderr] 69 |     commands:Map<fn(&mut S,&mut S::FS,&mut Gu,&mut Self,StomachCommand<T>,bool) -> Result<(),ErrorInPrimitive<T>>>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `SPACE` should have a snake case name
[INFO] [stderr]    --> src/tex/commands/tex.rs:525:8
[INFO] [stderr]     |
[INFO] [stderr] 525 | pub fn SPACE<T:Token,Sto:Stomach<T>>(_stomach:&mut Sto,state:&mut Sto::S,_cmd:StomachCommand<T>)
[INFO] [stderr]     |        ^^^^^ help: convert the identifier to snake case: `space`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `csO` should have a snake case name
[INFO] [stderr]    --> src/tex/commands/tex.rs:685:9
[INFO] [stderr]     |
[INFO] [stderr] 685 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("def",cmd));
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `csO` should have a snake case name
[INFO] [stderr]    --> src/tex/commands/tex.rs:744:9
[INFO] [stderr]     |
[INFO] [stderr] 744 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("edef",cmd));
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `csO` should have a snake case name
[INFO] [stderr]     --> src/tex/commands/tex.rs:1141:9
[INFO] [stderr]      |
[INFO] [stderr] 1141 |     let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stderr]      |         ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `csO` should have a snake case name
[INFO] [stderr]     --> src/tex/commands/tex.rs:1149:17
[INFO] [stderr]      |
[INFO] [stderr] 1149 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stderr]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `csO` should have a snake case name
[INFO] [stderr]     --> src/tex/commands/tex.rs:1165:17
[INFO] [stderr]      |
[INFO] [stderr] 1165 |             let csO = catch_prim!(gullet.mouth().get_next(state) => ("let",cmd));
[INFO] [stderr]      |                 ^^^ help: convert the identifier to snake case: `cs_o`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/tex/commands/tex.rs:1260:5
[INFO] [stderr]      |
[INFO] [stderr] 1260 |     gullet.mouth().skip_eq_char(state);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1260 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stderr]      |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/tex/commands/tex.rs:1274:5
[INFO] [stderr]      |
[INFO] [stderr] 1274 |     gullet.mouth().skip_eq_char(state);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1274 |     let _ = gullet.mouth().skip_eq_char(state);
[INFO] [stderr]      |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/engine.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         self.etex();
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let _ = self.etex();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/engine/stomach/methods.rs:26:35
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Err(ModeError{cmd:name.clone(),mode:state.mode(),cause:Some(cmd.cause),source:None}.into())
[INFO] [stderr]    |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tex_engine` (lib) generated 90 warnings (run `cargo fix --lib -p tex_engine` to apply 76 suggestions)
[INFO] [stderr] warning: unused imports: `debug`, `error`, `trace`, `warn`
[INFO] [stderr]   --> src/lib.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |     use log::{error, warn, info, debug, trace};
[INFO] [stderr]    |               ^^^^^  ^^^^        ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::gullet::TeXGullet`
[INFO] [stderr]   --> src/lib.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     use crate::engine::gullet::TeXGullet;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::mouth::TracingMouth`
[INFO] [stderr]   --> src/lib.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use crate::engine::mouth::TracingMouth;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Engine`
[INFO] [stderr]   --> src/lib.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |     use crate::engine::{Engine, new_tex_with_source_references, Outputs};
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::state::TeXState`
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     use crate::engine::state::TeXState;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::stomach::NoShipoutDefaultStomach`
[INFO] [stderr]   --> src/lib.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     use crate::engine::stomach::NoShipoutDefaultStomach;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tex::boxes::StandardTeXBox`
[INFO] [stderr]   --> src/lib.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     use crate::tex::boxes::StandardTeXBox;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tex::token::TokenWithSourceref`
[INFO] [stderr]   --> src/lib.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     use crate::tex::token::TokenWithSourceref;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `trace` is never used
[INFO] [stderr]   --> src/lib.rs:82:8
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn trace() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `info` is never used
[INFO] [stderr]   --> src/lib.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn info() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `warn` is never used
[INFO] [stderr]   --> src/lib.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn warn() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `error` is never used
[INFO] [stderr]   --> src/lib.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn error() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         env_logger::builder().filter_level(log::LevelFilter::Trace).try_init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Trace).try_init();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         env_logger::builder().filter_level(log::LevelFilter::Debug).try_init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Debug).try_init();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         env_logger::builder().filter_level(log::LevelFilter::Info).try_init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Info).try_init();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         env_logger::builder().filter_level(log::LevelFilter::Warn).try_init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Warn).try_init();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         env_logger::builder().filter_level(log::LevelFilter::Error).try_init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let _ = env_logger::builder().filter_level(log::LevelFilter::Error).try_init();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tex_engine` (lib test) generated 107 warnings (90 duplicates) (run `cargo fix --lib -p tex_engine --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tex_engine-6d5b3039eb99ce96)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] [2024-02-13T11:10:35Z DEBUG tex_engine::engine::filesystem::kpathsea] Initializing kpathsea database
[INFO] [stdout] test tests::kpsewhich ... FAILED
[INFO] [stdout] test tests::engine ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::kpsewhich stdout ----
[INFO] [stdout] thread 'tests::kpsewhich' panicked at src/engine/filesystem/kpathsea.rs:89:62:
[INFO] [stdout] kpsewhich not found!: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d9e91aaff6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55d9e91aaff6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d9e91aaff6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d9e91aaff6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d9e91d6250 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55d9e91d6250 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55d9e91a852f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55d9e91aadd4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d9e91aadd4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d9e91acb47 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x55d9e91ac82d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55d9e913df47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55d9e913df47 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55d9e91ad166 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55d9e91ad166 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x55d9e91aceb2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x55d9e91ab4f6 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55d9e91acc04 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x55d9e8d381b5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55d9e8d387f3 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x55d9e8ddfb98 - core::result::Result<T,E>::expect::hfedaef44b399ca36
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1030:23
[INFO] [stdout]   21:     0x55d9e8e07981 - tex_engine::engine::filesystem::kpathsea::KpathseaBase::new::hcc0eb8901ca359af
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/filesystem/kpathsea.rs:88:39
[INFO] [stdout]   22:     0x55d9e8e2a2ce - <tex_engine::engine::filesystem::kpathsea::KPATHSEA as core::ops::deref::Deref>::deref::__static_ref_initialize::h641e1e919ddcb173
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/filesystem/kpathsea.rs:277:56
[INFO] [stdout]   23:     0x55d9e8e2a2ce - core::ops::function::FnOnce::call_once::hc022915efbe1d376
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55d9e8df77ca - lazy_static::lazy::Lazy<T>::get::{{closure}}::h0735c876a4c496c5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stdout]   25:     0x55d9e8e0dfe8 - std::sync::once::Once::call_once::{{closure}}::h4d3554c742274b75
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sync/once.rs:149:41
[INFO] [stdout]   26:     0x55d9e8de7894 - std::sys_common::once::futex::Once::call::h02925ef9fe9f1092
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/once/futex.rs:124:21
[INFO] [stdout]   27:     0x55d9e8e0de77 - std::sync::once::Once::call_once::h25c2455032991710
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sync/once.rs:149:9
[INFO] [stdout]   28:     0x55d9e8e0da99 - lazy_static::lazy::Lazy<T>::get::h7f432b0d3e97d8c8
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stdout]   29:     0x55d9e8e0da99 - <tex_engine::engine::filesystem::kpathsea::KPATHSEA as core::ops::deref::Deref>::deref::__stability::hc45b14d81f3b89f9
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stdout]   30:     0x55d9e8e0da99 - <tex_engine::engine::filesystem::kpathsea::KPATHSEA as core::ops::deref::Deref>::deref::h9d3959a0ef98aaca
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stdout]   31:     0x55d9e8e062ca - tex_engine::engine::filesystem::kpathsea::Kpathsea::new::h9888bdf4a655b682
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/filesystem/kpathsea.rs:17:22
[INFO] [stdout]   32:     0x55d9e8de50bf - <tex_engine::engine::filesystem::KpseVirtualFileSystem<Char> as tex_engine::engine::filesystem::FileSystem<Char>>::new::h9275f272ef81972c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/filesystem.rs:184:18
[INFO] [stdout]   33:     0x55d9e8df4eb4 - tex_engine::tests::kpsewhich::h242a33b4caf65472
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:111:13
[INFO] [stdout]   34:     0x55d9e8df4d77 - tex_engine::tests::kpsewhich::{{closure}}::h12b9906847cbb0ee
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:108:19
[INFO] [stdout]   35:     0x55d9e8e2a086 - core::ops::function::FnOnce::call_once::hb486284cc8cb5c79
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   36:     0x55d9e9143b3f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   37:     0x55d9e9143b3f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   38:     0x55d9e9142961 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   39:     0x55d9e9142961 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   40:     0x55d9e9142961 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   41:     0x55d9e9142961 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   42:     0x55d9e9142961 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   43:     0x55d9e9142961 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   44:     0x55d9e9142961 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   45:     0x55d9e9109dc6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   46:     0x55d9e9109dc6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   47:     0x55d9e910ed87 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   48:     0x55d9e910ed87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   49:     0x55d9e910ed87 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   50:     0x55d9e910ed87 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   51:     0x55d9e910ed87 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   52:     0x55d9e910ed87 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   53:     0x55d9e910ed87 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   54:     0x55d9e91b1e35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   55:     0x55d9e91b1e35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   56:     0x55d9e91b1e35 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   57:     0x7f0a495ecac3 - <unknown>
[INFO] [stdout]   58:     0x7f0a4967dbf4 - __clone
[INFO] [stdout]   59:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::engine stdout ----
[INFO] [stdout] thread 'tests::engine' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/env_logger-0.10.2/src/logger.rs:859:16:
[INFO] [stdout] env_logger::init should not be called after logger initialized: SetLoggerError(())
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d9e91aaff6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55d9e91aaff6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d9e91aaff6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d9e91aaff6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d9e91d6250 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55d9e91d6250 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55d9e91a852f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55d9e91aadd4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d9e91aadd4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d9e91acb47 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x55d9e91ac82d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55d9e913df47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55d9e913df47 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55d9e91ad166 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55d9e91ad166 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x55d9e91aceb2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x55d9e91ab4f6 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55d9e91acc04 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x55d9e8d381b5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55d9e8d387f3 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x55d9e8e3e35e - core::result::Result<T,E>::expect::h6fdb363caecb97df
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1030:23
[INFO] [stdout]   21:     0x55d9e8e3a369 - env_logger::logger::init::h7e6f3781b40acf93
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/env_logger-0.10.2/src/logger.rs:859:5
[INFO] [stdout]   22:     0x55d9e8df5fc6 - tex_engine::tests::engine::h19f73a30bebeb9e9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:126:9
[INFO] [stdout]   23:     0x55d9e8df5f57 - tex_engine::tests::engine::{{closure}}::h54a0b44a082c5a2e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:122:16
[INFO] [stdout]   24:     0x55d9e8e28b16 - core::ops::function::FnOnce::call_once::h6fbb14c7f2ad65d4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55d9e9143b3f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55d9e9143b3f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   27:     0x55d9e9142961 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   28:     0x55d9e9142961 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x55d9e9142961 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   30:     0x55d9e9142961 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   31:     0x55d9e9142961 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55d9e9142961 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   33:     0x55d9e9142961 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   34:     0x55d9e9109dc6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   35:     0x55d9e9109dc6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   36:     0x55d9e910ed87 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x55d9e910ed87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x55d9e910ed87 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   39:     0x55d9e910ed87 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   40:     0x55d9e910ed87 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x55d9e910ed87 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x55d9e910ed87 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55d9e91b1e35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55d9e91b1e35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x55d9e91b1e35 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f0a495ecac3 - <unknown>
[INFO] [stdout]   47:     0x7f0a4967dbf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::engine
[INFO] [stdout]     tests::kpsewhich
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "7051ac8f9982c1b78600d453e2dfc961a19b16e149b3264fbfc6f84c3b83e8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7051ac8f9982c1b78600d453e2dfc961a19b16e149b3264fbfc6f84c3b83e8d2", kill_on_drop: false }`
[INFO] [stdout] 7051ac8f9982c1b78600d453e2dfc961a19b16e149b3264fbfc6f84c3b83e8d2
