[INFO] fetching crate rschema-derive 0.5.0...
[INFO] testing rschema-derive-0.5.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rschema-derive 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rschema-derive 0.5.0
[INFO] finished tweaking crates.io crate rschema-derive 0.5.0
[INFO] tweaked toml for crates.io crate rschema-derive 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rschema-derive 0.5.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.5.0 (available: v0.11.0)
[INFO] [stderr]       Adding darling v0.13.4 (available: v0.23.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02b337eb06fc40f8d315b4a51d4316a9283d32f488691d50e8ea115057addc60
[INFO] running `Command { std: "docker" "start" "-a" "02b337eb06fc40f8d315b4a51d4316a9283d32f488691d50e8ea115057addc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02b337eb06fc40f8d315b4a51d4316a9283d32f488691d50e8ea115057addc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b337eb06fc40f8d315b4a51d4316a9283d32f488691d50e8ea115057addc60", kill_on_drop: false }`
[INFO] [stdout] 02b337eb06fc40f8d315b4a51d4316a9283d32f488691d50e8ea115057addc60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 846659d736267b0bf01ef9989ea690ba5eb141da1e73b9029ba22729a68c70b9
[INFO] running `Command { std: "docker" "start" "-a" "846659d736267b0bf01ef9989ea690ba5eb141da1e73b9029ba22729a68c70b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling rschema-core v0.5.1
[INFO] [stderr]    Compiling rschema-derive v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/ast.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Container<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub source: &'a syn::DeriveInput,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Container` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 88 |     ) -> (
[INFO] [stdout] 89 |         ImplGenerics,
[INFO] [stdout]    |         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 90 |         TypeGenerics,
[INFO] [stdout]    |         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 91 |         syn::TypeGenerics,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 92 |         Option<&syn::WhereClause>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 ~         ImplGenerics<'_>,
[INFO] [stdout] 90 ~         TypeGenerics<'_>,
[INFO] [stdout] 91 ~         syn::TypeGenerics<'_>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  99 |     field: &syn::Field,
[INFO] [stdout]     |            ^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 100 | ) -> darling::Result<Option<Field>> {
[INFO] [stdout]     |                             ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 | ) -> darling::Result<Option<Field<'_>>> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fields: &Punctuated<syn::Field, syn::Token![,]>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 123 | ) -> darling::Result<Vec<Field>> {
[INFO] [stdout]     |                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 123 | ) -> darling::Result<Vec<Field<'_>>> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 131 |     variant: &'a syn::Variant,
[INFO] [stdout]     |               -- the lifetime is named here
[INFO] [stdout] 132 | ) -> darling::Result<Option<Variant>> {
[INFO] [stdout]     |                             ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 132 | ) -> darling::Result<Option<Variant<'a>>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:166:15
[INFO] [stdout]     |
[INFO] [stdout] 166 |     variants: &Punctuated<syn::Variant, syn::Token![,]>,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 167 | ) -> darling::Result<Vec<Variant>> {
[INFO] [stdout]     |                          ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 167 | ) -> darling::Result<Vec<Variant<'_>>> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.55s
[INFO] running `Command { std: "docker" "inspect" "846659d736267b0bf01ef9989ea690ba5eb141da1e73b9029ba22729a68c70b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846659d736267b0bf01ef9989ea690ba5eb141da1e73b9029ba22729a68c70b9", kill_on_drop: false }`
[INFO] [stdout] 846659d736267b0bf01ef9989ea690ba5eb141da1e73b9029ba22729a68c70b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c78c684fc22956735320eb83891359f59fa795c3bf72cba5c023e4cb72fc31c3
[INFO] running `Command { std: "docker" "start" "-a" "c78c684fc22956735320eb83891359f59fa795c3bf72cba5c023e4cb72fc31c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rschema-derive v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/ast.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Container<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub source: &'a syn::DeriveInput,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Container` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 88 |     ) -> (
[INFO] [stdout] 89 |         ImplGenerics,
[INFO] [stdout]    |         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 90 |         TypeGenerics,
[INFO] [stdout]    |         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 91 |         syn::TypeGenerics,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 92 |         Option<&syn::WhereClause>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 ~         ImplGenerics<'_>,
[INFO] [stdout] 90 ~         TypeGenerics<'_>,
[INFO] [stdout] 91 ~         syn::TypeGenerics<'_>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  99 |     field: &syn::Field,
[INFO] [stdout]     |            ^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 100 | ) -> darling::Result<Option<Field>> {
[INFO] [stdout]     |                             ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 | ) -> darling::Result<Option<Field<'_>>> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fields: &Punctuated<syn::Field, syn::Token![,]>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 123 | ) -> darling::Result<Vec<Field>> {
[INFO] [stdout]     |                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 123 | ) -> darling::Result<Vec<Field<'_>>> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 131 |     variant: &'a syn::Variant,
[INFO] [stdout]     |               -- the lifetime is named here
[INFO] [stdout] 132 | ) -> darling::Result<Option<Variant>> {
[INFO] [stdout]     |                             ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 132 | ) -> darling::Result<Option<Variant<'a>>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:166:15
[INFO] [stdout]     |
[INFO] [stdout] 166 |     variants: &Punctuated<syn::Variant, syn::Token![,]>,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 167 | ) -> darling::Result<Vec<Variant>> {
[INFO] [stdout]     |                          ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 167 | ) -> darling::Result<Vec<Variant<'_>>> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/ast.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Container<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub source: &'a syn::DeriveInput,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Container` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 88 |     ) -> (
[INFO] [stdout] 89 |         ImplGenerics,
[INFO] [stdout]    |         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 90 |         TypeGenerics,
[INFO] [stdout]    |         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 91 |         syn::TypeGenerics,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 92 |         Option<&syn::WhereClause>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 ~         ImplGenerics<'_>,
[INFO] [stdout] 90 ~         TypeGenerics<'_>,
[INFO] [stdout] 91 ~         syn::TypeGenerics<'_>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  99 |     field: &syn::Field,
[INFO] [stdout]     |            ^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 100 | ) -> darling::Result<Option<Field>> {
[INFO] [stdout]     |                             ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 | ) -> darling::Result<Option<Field<'_>>> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fields: &Punctuated<syn::Field, syn::Token![,]>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 123 | ) -> darling::Result<Vec<Field>> {
[INFO] [stdout]     |                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 123 | ) -> darling::Result<Vec<Field<'_>>> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 131 |     variant: &'a syn::Variant,
[INFO] [stdout]     |               -- the lifetime is named here
[INFO] [stdout] 132 | ) -> darling::Result<Option<Variant>> {
[INFO] [stdout]     |                             ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 132 | ) -> darling::Result<Option<Variant<'a>>> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/data.rs:166:15
[INFO] [stdout]     |
[INFO] [stdout] 166 |     variants: &Punctuated<syn::Variant, syn::Token![,]>,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 167 | ) -> darling::Result<Vec<Variant>> {
[INFO] [stdout]     |                          ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 167 | ) -> darling::Result<Vec<Variant<'_>>> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "c78c684fc22956735320eb83891359f59fa795c3bf72cba5c023e4cb72fc31c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78c684fc22956735320eb83891359f59fa795c3bf72cba5c023e4cb72fc31c3", kill_on_drop: false }`
[INFO] [stdout] c78c684fc22956735320eb83891359f59fa795c3bf72cba5c023e4cb72fc31c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd5c5e38d945d445e96db5543a2a9bd3c1d221a9bd514bf00e02d9126d38c30a
[INFO] running `Command { std: "docker" "start" "-a" "dd5c5e38d945d445e96db5543a2a9bd3c1d221a9bd514bf00e02d9126d38c30a", kill_on_drop: false }`
[INFO] [stderr] warning: field `source` is never read
[INFO] [stderr]   --> src/ast.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct Container<'a> {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub source: &'a syn::DeriveInput,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Container` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ast.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         &self,
[INFO] [stderr]    |         ^^^^^ the lifetime is elided here
[INFO] [stderr] 88 |     ) -> (
[INFO] [stderr] 89 |         ImplGenerics,
[INFO] [stderr]    |         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr] 90 |         TypeGenerics,
[INFO] [stderr]    |         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr] 91 |         syn::TypeGenerics,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr] 92 |         Option<&syn::WhereClause>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 89 ~         ImplGenerics<'_>,
[INFO] [stderr] 90 ~         TypeGenerics<'_>,
[INFO] [stderr] 91 ~         syn::TypeGenerics<'_>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/data.rs:99:12
[INFO] [stderr]     |
[INFO] [stderr]  99 |     field: &syn::Field,
[INFO] [stderr]     |            ^^^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] 100 | ) -> darling::Result<Option<Field>> {
[INFO] [stderr]     |                             ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 100 | ) -> darling::Result<Option<Field<'_>>> {
[INFO] [stderr]     |                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/data.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fields: &Punctuated<syn::Field, syn::Token![,]>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] 123 | ) -> darling::Result<Vec<Field>> {
[INFO] [stderr]     |                          ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 123 | ) -> darling::Result<Vec<Field<'_>>> {
[INFO] [stderr]     |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/data.rs:132:29
[INFO] [stderr]     |
[INFO] [stderr] 131 |     variant: &'a syn::Variant,
[INFO] [stderr]     |               -- the lifetime is named here
[INFO] [stderr] 132 | ) -> darling::Result<Option<Variant>> {
[INFO] [stderr]     |                             ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 132 | ) -> darling::Result<Option<Variant<'a>>> {
[INFO] [stderr]     |                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/data.rs:166:15
[INFO] [stderr]     |
[INFO] [stderr] 166 |     variants: &Punctuated<syn::Variant, syn::Token![,]>,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] 167 | ) -> darling::Result<Vec<Variant>> {
[INFO] [stderr]     |                          ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 167 | ) -> darling::Result<Vec<Variant<'_>>> {
[INFO] [stderr]     |                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rschema-derive` (lib) generated 6 warnings (run `cargo fix --lib -p rschema-derive` to apply 5 suggestions)
[INFO] [stderr] warning: `rschema-derive` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rschema_derive-9d5850b00ffff306)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rschema_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd5c5e38d945d445e96db5543a2a9bd3c1d221a9bd514bf00e02d9126d38c30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5c5e38d945d445e96db5543a2a9bd3c1d221a9bd514bf00e02d9126d38c30a", kill_on_drop: false }`
[INFO] [stdout] dd5c5e38d945d445e96db5543a2a9bd3c1d221a9bd514bf00e02d9126d38c30a
