[INFO] fetching crate pdf_derive 0.2.0...
[INFO] checking pdf_derive-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate pdf_derive 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate pdf_derive 0.2.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pdf_derive 0.2.0
[INFO] finished tweaking crates.io crate pdf_derive 0.2.0
[INFO] tweaked toml for crates.io crate pdf_derive 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2f9f198fbd8f3d5c7c832b2b390cb9bc991f3b460ba83fabb30f5368b69baa
[INFO] running `Command { std: "docker" "start" "-a" "fa2f9f198fbd8f3d5c7c832b2b390cb9bc991f3b460ba83fabb30f5368b69baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2f9f198fbd8f3d5c7c832b2b390cb9bc991f3b460ba83fabb30f5368b69baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2f9f198fbd8f3d5c7c832b2b390cb9bc991f3b460ba83fabb30f5368b69baa", kill_on_drop: false }`
[INFO] [stdout] fa2f9f198fbd8f3d5c7c832b2b390cb9bc991f3b460ba83fabb30f5368b69baa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2e7e1229a012fde0cfccd3e124661a38ab69e0ddc49040b7c474ef65c0053e2
[INFO] running `Command { std: "docker" "start" "-a" "a2e7e1229a012fde0cfccd3e124661a38ab69e0ddc49040b7c474ef65c0053e2", kill_on_drop: false }`
[INFO] [stderr]     Checking pdf_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `punctuated::Punctuated` and `token::Where`
[INFO] [stdout]   --> src/lib.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 | use syn::{*, punctuated::Punctuated, token::Where};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `punctuated::Punctuated` and `token::Where`
[INFO] [stdout]   --> src/lib.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 | use syn::{*, punctuated::Punctuated, token::Where};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |     let attrs = GlobalAttrs::from_ast(ast);
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |     let attrs = GlobalAttrs::from_ast(ast);
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Vec<(std::string::String, TokenStream2)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:352:14
[INFO] [stdout]     |
[INFO] [stdout] 336 | /         quote! {
[INFO] [stdout] 337 | |             impl #impl_generics pdf::object::Object for #id #ty_generics #where_clause {
[INFO] [stdout] 338 | |                 fn from_primitive(p: pdf::primitive::Primitive, _resolve: &impl pdf::object::Resolve) -> pdf::error::Result<Self> {
[INFO] [stdout] 339 | |                     match p {
[INFO] [stdout] ...   |
[INFO] [stdout] 349 | |             }
[INFO] [stdout] 350 | |         }
[INFO] [stdout]     | |         -
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |           these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 351 |       } else {
[INFO] [stdout] 352 | |         let (pairs, other) = enum_pairs(ast, data);
[INFO] [stdout]     | |              ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | /         quote! {
[INFO] [stdout] 374 | |             impl #impl_generics pdf::object::Object for #id #ty_generics #where_clause {
[INFO] [stdout] 375 | |                 fn from_primitive(p: pdf::primitive::Primitive, _resolve: &impl pdf::object::Resolve) -> pdf::error::Result<Self> {
[INFO] [stdout] 376 | |                     match p {
[INFO] [stdout] ...   |
[INFO] [stdout] 385 | |             }
[INFO] [stdout] 386 | |         }
[INFO] [stdout]     | |         -
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |           these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Vec<(std::string::String, TokenStream2)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:352:14
[INFO] [stdout]     |
[INFO] [stdout] 336 | /         quote! {
[INFO] [stdout] 337 | |             impl #impl_generics pdf::object::Object for #id #ty_generics #where_clause {
[INFO] [stdout] 338 | |                 fn from_primitive(p: pdf::primitive::Primitive, _resolve: &impl pdf::object::Resolve) -> pdf::error::Result<Self> {
[INFO] [stdout] 339 | |                     match p {
[INFO] [stdout] ...   |
[INFO] [stdout] 349 | |             }
[INFO] [stdout] 350 | |         }
[INFO] [stdout]     | |         -
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |           these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 351 |       } else {
[INFO] [stdout] 352 | |         let (pairs, other) = enum_pairs(ast, data);
[INFO] [stdout]     | |              ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | /         quote! {
[INFO] [stdout] 374 | |             impl #impl_generics pdf::object::Object for #id #ty_generics #where_clause {
[INFO] [stdout] 375 | |                 fn from_primitive(p: pdf::primitive::Primitive, _resolve: &impl pdf::object::Resolve) -> pdf::error::Result<Self> {
[INFO] [stdout] 376 | |                     match p {
[INFO] [stdout] ...   |
[INFO] [stdout] 385 | |             }
[INFO] [stdout] 386 | |         }
[INFO] [stdout]     | |         -
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |           these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Vec<(std::string::String, TokenStream2)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:419:14
[INFO] [stdout]     |
[INFO] [stdout] 409 | /         quote! {
[INFO] [stdout] 410 | |             impl #impl_generics pdf::object::ObjectWrite for #id #ty_generics #where_clause {
[INFO] [stdout] 411 | |                 fn to_primitive(&self, update: &mut impl pdf::object::Updater) -> Result<Primitive> {
[INFO] [stdout] 412 | |                     match *self {
[INFO] [stdout] ...   |
[INFO] [stdout] 416 | |             }
[INFO] [stdout] 417 | |         }
[INFO] [stdout]     | |         -
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |           these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 418 |       } else {
[INFO] [stdout] 419 | |         let (pairs, other) = enum_pairs(ast, data);
[INFO] [stdout]     | |              ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 436 | /         quote! {
[INFO] [stdout] 437 | |             impl #impl_generics pdf::object::ObjectWrite for #id #ty_generics #where_clause {
[INFO] [stdout] 438 | |                 fn to_primitive(&self, update: &mut impl pdf::object::Updater) -> Result<Primitive> {
[INFO] [stdout] 439 | |                     let name = match *self {
[INFO] [stdout] ...   |
[INFO] [stdout] 445 | |             }
[INFO] [stdout] 446 | |         }
[INFO] [stdout]     | |         -
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |           these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:457:85
[INFO] [stdout]     |
[INFO] [stdout] 457 |                 let labels: Vec<Ident> = fields.unnamed.iter().enumerate().map(|(i, f)| {
[INFO] [stdout]     |                                                                                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Vec<(std::string::String, TokenStream2)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:419:14
[INFO] [stdout]     |
[INFO] [stdout] 409 | /         quote! {
[INFO] [stdout] 410 | |             impl #impl_generics pdf::object::ObjectWrite for #id #ty_generics #where_clause {
[INFO] [stdout] 411 | |                 fn to_primitive(&self, update: &mut impl pdf::object::Updater) -> Result<Primitive> {
[INFO] [stdout] 412 | |                     match *self {
[INFO] [stdout] ...   |
[INFO] [stdout] 416 | |             }
[INFO] [stdout] 417 | |         }
[INFO] [stdout]     | |         -
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |           these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 418 |       } else {
[INFO] [stdout] 419 | |         let (pairs, other) = enum_pairs(ast, data);
[INFO] [stdout]     | |              ^^^^^
[INFO] [stdout] ...   |
[INFO] [stdout] 436 | /         quote! {
[INFO] [stdout] 437 | |             impl #impl_generics pdf::object::ObjectWrite for #id #ty_generics #where_clause {
[INFO] [stdout] 438 | |                 fn to_primitive(&self, update: &mut impl pdf::object::Updater) -> Result<Primitive> {
[INFO] [stdout] 439 | |                     let name = match *self {
[INFO] [stdout] ...   |
[INFO] [stdout] 445 | |             }
[INFO] [stdout] 446 | |         }
[INFO] [stdout]     | |         -
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |           these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:457:85
[INFO] [stdout]     |
[INFO] [stdout] 457 |                 let labels: Vec<Ident> = fields.unnamed.iter().enumerate().map(|(i, f)| {
[INFO] [stdout]     |                                                                                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<syn::Expr>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:588:36
[INFO] [stdout]     |
[INFO] [stdout] 587 |         let ty = field.ty.clone();
[INFO] [stdout]     |             -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 588 |         if let Some(ref default) = attrs.default() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<syn::Expr>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:588:36
[INFO] [stdout]     |
[INFO] [stdout] 587 |         let ty = field.ty.clone();
[INFO] [stdout]     |             -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 588 |         if let Some(ref default) = attrs.default() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:755:25
[INFO] [stdout]     |
[INFO] [stdout] 755 |     let (impl_generics, mut ty_generics, where_clause) = generics.split_for_impl();
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:755:25
[INFO] [stdout]     |
[INFO] [stdout] 755 |     let (impl_generics, mut ty_generics, where_clause) = generics.split_for_impl();
[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] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pdf_derive` (lib) due to 4 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pdf_derive` (lib test) due to 4 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a2e7e1229a012fde0cfccd3e124661a38ab69e0ddc49040b7c474ef65c0053e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e7e1229a012fde0cfccd3e124661a38ab69e0ddc49040b7c474ef65c0053e2", kill_on_drop: false }`
[INFO] [stdout] a2e7e1229a012fde0cfccd3e124661a38ab69e0ddc49040b7c474ef65c0053e2