[INFO] fetching crate larpa-derive 0.1.1...
[INFO] linting larpa-derive-0.1.1 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate larpa-derive 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate larpa-derive 0.1.1
[INFO] finished tweaking crates.io crate larpa-derive 0.1.1
[INFO] tweaked toml for crates.io crate larpa-derive 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate larpa-derive 0.1.1 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate larpa-derive 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded expect-test v1.5.1
[INFO] [stderr]   Downloaded dissimilar v1.0.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07e9a3817c0130d8a8610d198d28cdcf58968ef9f7426a9b8aea1a46b9c9a00d
[INFO] running `Command { std: "docker" "start" "-a" "07e9a3817c0130d8a8610d198d28cdcf58968ef9f7426a9b8aea1a46b9c9a00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07e9a3817c0130d8a8610d198d28cdcf58968ef9f7426a9b8aea1a46b9c9a00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e9a3817c0130d8a8610d198d28cdcf58968ef9f7426a9b8aea1a46b9c9a00d", kill_on_drop: false }`
[INFO] [stdout] 07e9a3817c0130d8a8610d198d28cdcf58968ef9f7426a9b8aea1a46b9c9a00d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a54fec2cf2bd6241edf4df7ac3159ddf7c47f5fb059cb2266be0a9ec2a3eff4
[INFO] running `Command { std: "docker" "start" "-a" "7a54fec2cf2bd6241edf4df7ac3159ddf7c47f5fb059cb2266be0a9ec2a3eff4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking unicode-ident v1.0.19
[INFO] [stderr]     Checking dissimilar v1.0.10
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking expect-test v1.5.1
[INFO] [stderr]     Checking syn v2.0.106
[INFO] [stderr]     Checking larpa-derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/attr.rs:295:20
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 if attr.name.to_string() == attr2.name.to_string() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `attr.name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]     = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/attr.rs:295:45
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 if attr.name.to_string() == attr2.name.to_string() {
[INFO] [stdout]     |                    -------------------------^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: try: `attr2.name == attr.name.to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/attr.rs:327:16
[INFO] [stdout]     |
[INFO] [stdout] 327 |             if name.to_string() == "crate" {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^ help: try: `name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/attr.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 | /             match &nv.value {
[INFO] [stdout] 349 | |                 syn::Expr::Lit(lit) => {
[INFO] [stdout] 350 | |                     if let syn::Lit::Str(s) = &lit.lit {
[INFO] [stdout] 351 | |                         lines.push(s.value());
[INFO] [stdout] ...   |
[INFO] [stdout] 355 | |                 _ => {}
[INFO] [stdout] 356 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 348 ~             if let syn::Expr::Lit(lit) = &nv.value {
[INFO] [stdout] 349 +                 if let syn::Lit::Str(s) = &lit.lit {
[INFO] [stdout] 350 +                     lines.push(s.value());
[INFO] [stdout] 351 +                     continue;
[INFO] [stdout] 352 +                 }
[INFO] [stdout] 353 +             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/attr.rs:392:9
[INFO] [stdout]     |
[INFO] [stdout] 392 | /         match next {
[INFO] [stdout] 393 | |             Some(next) => match next.chars().next() {
[INFO] [stdout] 394 | |                 Some(start) => {
[INFO] [stdout] 395 | |                     if start.is_alphabetic() {
[INFO] [stdout] ...   |
[INFO] [stdout] 408 | |             None => {}
[INFO] [stdout] 409 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 392 ~         if let Some(next) = next { match next.chars().next() {
[INFO] [stdout] 393 +             Some(start) => {
[INFO] [stdout] 394 +                 if start.is_alphabetic() {
[INFO] [stdout] 395 +                     if !doc.ends_with('\n') {
[INFO] [stdout] 396 +                         doc.push(' ');
[INFO] [stdout] 397 +                     }
[INFO] [stdout] 398 +                 } else {
[INFO] [stdout] 399 +                     doc.push('\n');
[INFO] [stdout] 400 +                 }
[INFO] [stdout] 401 +             }
[INFO] [stdout] 402 +             None => {
[INFO] [stdout] 403 +                 // Next line is empty.
[INFO] [stdout] 404 +                 doc.push_str("\n\n");
[INFO] [stdout] 405 +             }
[INFO] [stdout] 406 +         } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]    --> src/codegen.rs:380:33
[INFO] [stdout]     |
[INFO] [stdout] 380 |           let description = match self
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 381 | |             .input
[INFO] [stdout] 382 | |             .description
[INFO] [stdout] 383 | |             .as_deref()
[INFO] [stdout] 384 | |             .or_else(|| self.meta.pkg_description.as_deref())
[INFO] [stdout]     | |_____________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_lazy_evaluations)]` on by default
[INFO] [stdout] help: use `or` instead
[INFO] [stdout]     |
[INFO] [stdout] 384 -             .or_else(|| self.meta.pkg_description.as_deref())
[INFO] [stdout] 384 +             .or(self.meta.pkg_description.as_deref())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/input.rs:551:21
[INFO] [stdout]     |
[INFO] [stdout] 551 | /                     if let Some(short) = *short {
[INFO] [stdout] 552 | |                         if let Some(prev) = short_args.insert(short, arg.clone()) {
[INFO] [stdout] 553 | |                             let mut error = syn::Error::new(
[INFO] [stdout] 554 | |                                 arg.field_name.span(),
[INFO] [stdout] ...   |
[INFO] [stdout] 566 | |                     }
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 551 ~                     if let Some(short) = *short
[INFO] [stdout] 552 ~                         && let Some(prev) = short_args.insert(short, arg.clone()) {
[INFO] [stdout] 553 |                             let mut error = syn::Error::new(
[INFO] [stdout] ...
[INFO] [stdout] 564 |                             return Err(error);
[INFO] [stdout] 565 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/input.rs:590:9
[INFO] [stdout]     |
[INFO] [stdout] 590 | /         if let Some(subcmd) = &subcommand {
[INFO] [stdout] 591 | |             if let Some(arg) = last_positional
[INFO] [stdout] 592 | |                 && (arg.repeating || arg.is_optional())
[INFO] [stdout] ...   |
[INFO] [stdout] 604 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 590 ~         if let Some(subcmd) = &subcommand
[INFO] [stdout] 591 ~             && let Some(arg) = last_positional
[INFO] [stdout] 592 |                 && (arg.repeating || arg.is_optional())
[INFO] [stdout] ...
[INFO] [stdout] 602 |                 return Err(error);
[INFO] [stdout] 603 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/input.rs:817:21
[INFO] [stdout]     |
[INFO] [stdout] 817 |                 || (!flag.is_some() && default.is_none() && wrapper.is_none()),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: try: `flag.is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/input.rs:719:9
[INFO] [stdout]     |
[INFO] [stdout] 719 | /         match (flag, &default) {
[INFO] [stdout] 720 | |             (Some(flag_span), Some(_)) => {
[INFO] [stdout] 721 | |                 return Err(syn::Error::new(
[INFO] [stdout] 722 | |                     flag_span,
[INFO] [stdout] ...   |
[INFO] [stdout] 726 | |             _ => {}
[INFO] [stdout] 727 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 719 ~         if let (Some(flag_span), Some(_)) = (flag, &default) {
[INFO] [stdout] 720 +             return Err(syn::Error::new(
[INFO] [stdout] 721 +                 flag_span,
[INFO] [stdout] 722 +                 "`flag` and `default` cannot be used together",
[INFO] [stdout] 723 +             ));
[INFO] [stdout] 724 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/input.rs:729:9
[INFO] [stdout]     |
[INFO] [stdout] 729 | /         match (flag, &names) {
[INFO] [stdout] 730 | |             (Some(flag_span), None) => {
[INFO] [stdout] 731 | |                 return Err(syn::Error::new(
[INFO] [stdout] 732 | |                     flag_span,
[INFO] [stdout] ...   |
[INFO] [stdout] 736 | |             _ => {}
[INFO] [stdout] 737 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 729 ~         if let (Some(flag_span), None) = (flag, &names) {
[INFO] [stdout] 730 +             return Err(syn::Error::new(
[INFO] [stdout] 731 +                 flag_span,
[INFO] [stdout] 732 +                 "`flag` is not allowed on positional arguments; use `name` to make it a named flag",
[INFO] [stdout] 733 +             ));
[INFO] [stdout] 734 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/input.rs:739:9
[INFO] [stdout]     |
[INFO] [stdout] 739 | /         match (&default, &required) {
[INFO] [stdout] 740 | |             (Some(_), Some(req)) => {
[INFO] [stdout] 741 | |                 return Err(syn::Error::new(
[INFO] [stdout] 742 | |                     req.span(),
[INFO] [stdout] ...   |
[INFO] [stdout] 746 | |             _ => {}
[INFO] [stdout] 747 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 739 ~         if let (Some(_), Some(req)) = (&default, &required) {
[INFO] [stdout] 740 +             return Err(syn::Error::new(
[INFO] [stdout] 741 +                 req.span(),
[INFO] [stdout] 742 +                 "`required` and `default` cannot be used together",
[INFO] [stdout] 743 +             ));
[INFO] [stdout] 744 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/input.rs:749:9
[INFO] [stdout]     |
[INFO] [stdout] 749 | /         match (flag, &inverse_of) {
[INFO] [stdout] 750 | |             (None, Some(ident)) => {
[INFO] [stdout] 751 | |                 return Err(syn::Error::new(
[INFO] [stdout] 752 | |                     ident.span(),
[INFO] [stdout] ...   |
[INFO] [stdout] 756 | |             _ => {}
[INFO] [stdout] 757 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 749 ~         if let (None, Some(ident)) = (flag, &inverse_of) {
[INFO] [stdout] 750 +             return Err(syn::Error::new(
[INFO] [stdout] 751 +                 ident.span(),
[INFO] [stdout] 752 +                 "`inverse_of` must be used with `flag`",
[INFO] [stdout] 753 +             ));
[INFO] [stdout] 754 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]   --> src/meta.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         self.bin_name
[INFO] [stdout] 40 | |             .as_deref()
[INFO] [stdout] 41 | |             .or_else(|| self.pkg_name.as_deref())
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout] help: use `or` instead
[INFO] [stdout]    |
[INFO] [stdout] 41 -             .or_else(|| self.pkg_name.as_deref())
[INFO] [stdout] 41 +             .or(self.pkg_name.as_deref())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/attr.rs:295:20
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 if attr.name.to_string() == attr2.name.to_string() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `attr.name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]     = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/attr.rs:295:45
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 if attr.name.to_string() == attr2.name.to_string() {
[INFO] [stdout]     |                    -------------------------^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: try: `attr2.name == attr.name.to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/attr.rs:327:16
[INFO] [stdout]     |
[INFO] [stdout] 327 |             if name.to_string() == "crate" {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^ help: try: `name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/attr.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 | /             match &nv.value {
[INFO] [stdout] 349 | |                 syn::Expr::Lit(lit) => {
[INFO] [stdout] 350 | |                     if let syn::Lit::Str(s) = &lit.lit {
[INFO] [stdout] 351 | |                         lines.push(s.value());
[INFO] [stdout] ...   |
[INFO] [stdout] 355 | |                 _ => {}
[INFO] [stdout] 356 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 348 ~             if let syn::Expr::Lit(lit) = &nv.value {
[INFO] [stdout] 349 +                 if let syn::Lit::Str(s) = &lit.lit {
[INFO] [stdout] 350 +                     lines.push(s.value());
[INFO] [stdout] 351 +                     continue;
[INFO] [stdout] 352 +                 }
[INFO] [stdout] 353 +             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/attr.rs:392:9
[INFO] [stdout]     |
[INFO] [stdout] 392 | /         match next {
[INFO] [stdout] 393 | |             Some(next) => match next.chars().next() {
[INFO] [stdout] 394 | |                 Some(start) => {
[INFO] [stdout] 395 | |                     if start.is_alphabetic() {
[INFO] [stdout] ...   |
[INFO] [stdout] 408 | |             None => {}
[INFO] [stdout] 409 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 392 ~         if let Some(next) = next { match next.chars().next() {
[INFO] [stdout] 393 +             Some(start) => {
[INFO] [stdout] 394 +                 if start.is_alphabetic() {
[INFO] [stdout] 395 +                     if !doc.ends_with('\n') {
[INFO] [stdout] 396 +                         doc.push(' ');
[INFO] [stdout] 397 +                     }
[INFO] [stdout] 398 +                 } else {
[INFO] [stdout] 399 +                     doc.push('\n');
[INFO] [stdout] 400 +                 }
[INFO] [stdout] 401 +             }
[INFO] [stdout] 402 +             None => {
[INFO] [stdout] 403 +                 // Next line is empty.
[INFO] [stdout] 404 +                 doc.push_str("\n\n");
[INFO] [stdout] 405 +             }
[INFO] [stdout] 406 +         } }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]    --> src/codegen.rs:380:33
[INFO] [stdout]     |
[INFO] [stdout] 380 |           let description = match self
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 381 | |             .input
[INFO] [stdout] 382 | |             .description
[INFO] [stdout] 383 | |             .as_deref()
[INFO] [stdout] 384 | |             .or_else(|| self.meta.pkg_description.as_deref())
[INFO] [stdout]     | |_____________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_lazy_evaluations)]` on by default
[INFO] [stdout] help: use `or` instead
[INFO] [stdout]     |
[INFO] [stdout] 384 -             .or_else(|| self.meta.pkg_description.as_deref())
[INFO] [stdout] 384 +             .or(self.meta.pkg_description.as_deref())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/input.rs:551:21
[INFO] [stdout]     |
[INFO] [stdout] 551 | /                     if let Some(short) = *short {
[INFO] [stdout] 552 | |                         if let Some(prev) = short_args.insert(short, arg.clone()) {
[INFO] [stdout] 553 | |                             let mut error = syn::Error::new(
[INFO] [stdout] 554 | |                                 arg.field_name.span(),
[INFO] [stdout] ...   |
[INFO] [stdout] 566 | |                     }
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 551 ~                     if let Some(short) = *short
[INFO] [stdout] 552 ~                         && let Some(prev) = short_args.insert(short, arg.clone()) {
[INFO] [stdout] 553 |                             let mut error = syn::Error::new(
[INFO] [stdout] ...
[INFO] [stdout] 564 |                             return Err(error);
[INFO] [stdout] 565 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/input.rs:590:9
[INFO] [stdout]     |
[INFO] [stdout] 590 | /         if let Some(subcmd) = &subcommand {
[INFO] [stdout] 591 | |             if let Some(arg) = last_positional
[INFO] [stdout] 592 | |                 && (arg.repeating || arg.is_optional())
[INFO] [stdout] ...   |
[INFO] [stdout] 604 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 590 ~         if let Some(subcmd) = &subcommand
[INFO] [stdout] 591 ~             && let Some(arg) = last_positional
[INFO] [stdout] 592 |                 && (arg.repeating || arg.is_optional())
[INFO] [stdout] ...
[INFO] [stdout] 602 |                 return Err(error);
[INFO] [stdout] 603 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/input.rs:817:21
[INFO] [stdout]     |
[INFO] [stdout] 817 |                 || (!flag.is_some() && default.is_none() && wrapper.is_none()),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: try: `flag.is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/input.rs:719:9
[INFO] [stdout]     |
[INFO] [stdout] 719 | /         match (flag, &default) {
[INFO] [stdout] 720 | |             (Some(flag_span), Some(_)) => {
[INFO] [stdout] 721 | |                 return Err(syn::Error::new(
[INFO] [stdout] 722 | |                     flag_span,
[INFO] [stdout] ...   |
[INFO] [stdout] 726 | |             _ => {}
[INFO] [stdout] 727 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 719 ~         if let (Some(flag_span), Some(_)) = (flag, &default) {
[INFO] [stdout] 720 +             return Err(syn::Error::new(
[INFO] [stdout] 721 +                 flag_span,
[INFO] [stdout] 722 +                 "`flag` and `default` cannot be used together",
[INFO] [stdout] 723 +             ));
[INFO] [stdout] 724 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/input.rs:729:9
[INFO] [stdout]     |
[INFO] [stdout] 729 | /         match (flag, &names) {
[INFO] [stdout] 730 | |             (Some(flag_span), None) => {
[INFO] [stdout] 731 | |                 return Err(syn::Error::new(
[INFO] [stdout] 732 | |                     flag_span,
[INFO] [stdout] ...   |
[INFO] [stdout] 736 | |             _ => {}
[INFO] [stdout] 737 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 729 ~         if let (Some(flag_span), None) = (flag, &names) {
[INFO] [stdout] 730 +             return Err(syn::Error::new(
[INFO] [stdout] 731 +                 flag_span,
[INFO] [stdout] 732 +                 "`flag` is not allowed on positional arguments; use `name` to make it a named flag",
[INFO] [stdout] 733 +             ));
[INFO] [stdout] 734 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/input.rs:739:9
[INFO] [stdout]     |
[INFO] [stdout] 739 | /         match (&default, &required) {
[INFO] [stdout] 740 | |             (Some(_), Some(req)) => {
[INFO] [stdout] 741 | |                 return Err(syn::Error::new(
[INFO] [stdout] 742 | |                     req.span(),
[INFO] [stdout] ...   |
[INFO] [stdout] 746 | |             _ => {}
[INFO] [stdout] 747 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 739 ~         if let (Some(_), Some(req)) = (&default, &required) {
[INFO] [stdout] 740 +             return Err(syn::Error::new(
[INFO] [stdout] 741 +                 req.span(),
[INFO] [stdout] 742 +                 "`required` and `default` cannot be used together",
[INFO] [stdout] 743 +             ));
[INFO] [stdout] 744 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/input.rs:749:9
[INFO] [stdout]     |
[INFO] [stdout] 749 | /         match (flag, &inverse_of) {
[INFO] [stdout] 750 | |             (None, Some(ident)) => {
[INFO] [stdout] 751 | |                 return Err(syn::Error::new(
[INFO] [stdout] 752 | |                     ident.span(),
[INFO] [stdout] ...   |
[INFO] [stdout] 756 | |             _ => {}
[INFO] [stdout] 757 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 749 ~         if let (None, Some(ident)) = (flag, &inverse_of) {
[INFO] [stdout] 750 +             return Err(syn::Error::new(
[INFO] [stdout] 751 +                 ident.span(),
[INFO] [stdout] 752 +                 "`inverse_of` must be used with `flag`",
[INFO] [stdout] 753 +             ));
[INFO] [stdout] 754 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]   --> src/meta.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         self.bin_name
[INFO] [stdout] 40 | |             .as_deref()
[INFO] [stdout] 41 | |             .or_else(|| self.pkg_name.as_deref())
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout] help: use `or` instead
[INFO] [stdout]    |
[INFO] [stdout] 41 -             .or_else(|| self.pkg_name.as_deref())
[INFO] [stdout] 41 +             .or(self.pkg_name.as_deref())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "7a54fec2cf2bd6241edf4df7ac3159ddf7c47f5fb059cb2266be0a9ec2a3eff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a54fec2cf2bd6241edf4df7ac3159ddf7c47f5fb059cb2266be0a9ec2a3eff4", kill_on_drop: false }`
[INFO] [stdout] 7a54fec2cf2bd6241edf4df7ac3159ddf7c47f5fb059cb2266be0a9ec2a3eff4