[INFO] cloning repository https://github.com/samlet/derive-macros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samlet/derive-macros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamlet%2Fderive-macros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamlet%2Fderive-macros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d496336a8e3c51c42db837fe8551c3e64664760d
[INFO] checking samlet/derive-macros against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamlet%2Fderive-macros" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samlet/derive-macros
[INFO] finished tweaking git repo https://github.com/samlet/derive-macros
[INFO] tweaked toml for git repo https://github.com/samlet/derive-macros written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samlet/derive-macros on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samlet/derive-macros 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f56e2fc7e5b57619f72c5492190d2e0fe15071e1060bda414ca48d5d0c4cea17
[INFO] running `Command { std: "docker" "start" "-a" "f56e2fc7e5b57619f72c5492190d2e0fe15071e1060bda414ca48d5d0c4cea17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f56e2fc7e5b57619f72c5492190d2e0fe15071e1060bda414ca48d5d0c4cea17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56e2fc7e5b57619f72c5492190d2e0fe15071e1060bda414ca48d5d0c4cea17", kill_on_drop: false }`
[INFO] [stdout] f56e2fc7e5b57619f72c5492190d2e0fe15071e1060bda414ca48d5d0c4cea17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da24d0fbb15571bfd9900f1234da30e9078e9cd1dd5b4481ff7ec4adfa5ef5db
[INFO] running `Command { std: "docker" "start" "-a" "da24d0fbb15571bfd9900f1234da30e9078e9cd1dd5b4481ff7ec4adfa5ef5db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking detail_error v0.1.0 (/opt/rustwide/workdir/detail_error)
[INFO] [stdout] warning: unused import: `parse_macro_input`
[INFO] [stdout]  --> detail_error/src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{parse_macro_input, parse2, DeriveInput};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> detail_error/src/lib.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use proc_macro2::{Ident, Span};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromMeta`
[INFO] [stdout]  --> detail_error/src/lib.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | use darling::{FromDeriveInput, FromVariant, FromMeta, FromField};
[INFO] [stdout]   |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ast` and `util`
[INFO] [stdout]  --> detail_error/src/lib.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use darling::{ast, util};
[INFO] [stdout]   |               ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_macro_input`
[INFO] [stdout]  --> detail_error/src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{parse_macro_input, parse2, DeriveInput};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> detail_error/src/lib.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use proc_macro2::{Ident, Span};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromMeta`
[INFO] [stdout]  --> detail_error/src/lib.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | use darling::{FromDeriveInput, FromVariant, FromMeta, FromField};
[INFO] [stdout]   |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ast` and `util`
[INFO] [stdout]  --> detail_error/src/lib.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use darling::{ast, util};
[INFO] [stdout]   |               ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_macro_input`
[INFO] [stdout]  --> detail_error/src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{parse_macro_input, parse2, DeriveInput};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> detail_error/src/lib.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use proc_macro2::{Ident, Span};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromMeta`
[INFO] [stdout]  --> detail_error/src/lib.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | use darling::{FromDeriveInput, FromVariant, FromMeta, FromField};
[INFO] [stdout]   |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ast` and `util`
[INFO] [stdout]  --> detail_error/src/lib.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use darling::{ast, util};
[INFO] [stdout]   |               ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DetailErrorStruct` is never constructed
[INFO] [stdout]   --> detail_error/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct DetailErrorStruct {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DeField` is never constructed
[INFO] [stdout]   --> detail_error/src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct DeField {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]   --> detail_error/src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct DetailErrorVariant {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 41 |     ident: syn::Ident,
[INFO] [stdout] 42 |     fields: darling::ast::Fields<syn::Field>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DetailErrorVariant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DetailErrorVariant_` is never constructed
[INFO] [stdout]   --> detail_error/src/lib.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct DetailErrorVariant_ {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DetailErrorStruct` is never constructed
[INFO] [stdout]   --> detail_error/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct DetailErrorStruct {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DeField` is never constructed
[INFO] [stdout]   --> detail_error/src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct DeField {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]   --> detail_error/src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct DetailErrorVariant {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 41 |     ident: syn::Ident,
[INFO] [stdout] 42 |     fields: darling::ast::Fields<syn::Field>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DetailErrorVariant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DetailErrorVariant_` is never constructed
[INFO] [stdout]   --> detail_error/src/lib.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct DetailErrorVariant_ {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ident` and `data` are never read
[INFO] [stdout]   --> detail_error/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct DetailErrorStruct {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 20 |     ident: syn::Ident,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     // DeField用于提取所有的字段
[INFO] [stdout] 22 |     data: darling::ast::Data<DetailErrorVariant_, DeField>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DetailErrorStruct` 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: fields `ident`, `ty`, and `skip` are never read
[INFO] [stdout]   --> detail_error/src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct DeField {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 28 |     // 提取字段名
[INFO] [stdout] 29 |     ident: Option<Ident>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     // 提取字段类型
[INFO] [stdout] 31 |     ty: Type,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     skip: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeField` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]   --> detail_error/src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct DetailErrorVariant {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 41 |     ident: syn::Ident,
[INFO] [stdout] 42 |     fields: darling::ast::Fields<syn::Field>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DetailErrorVariant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ident`, `fields`, `code`, and `message` are never read
[INFO] [stdout]   --> detail_error/src/lib.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct DetailErrorVariant_ {
[INFO] [stdout]    |        ------------------- fields in this struct
[INFO] [stdout] 52 |     ident: syn::Ident,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 53 |     fields: darling::ast::Fields<syn::Field>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 54 |     #[darling(default)]
[INFO] [stdout] 55 |     code: Option<u16>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     #[darling(default)]
[INFO] [stdout] 57 |     message: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DetailErrorVariant_` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rust-derive-macro-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] [detail_error/src/lib.rs:85:5] &detail_error = DetailErrorEnum {
[INFO] [stderr]     ident: Ident {
[INFO] [stderr]         ident: "BusinessError",
[INFO] [stderr]         span: #0 bytes(64..77),
[INFO] [stderr]     },
[INFO] [stderr]     data: Enum(
[INFO] [stderr]         [
[INFO] [stderr]             DetailErrorVariant {
[INFO] [stderr]                 ident: Ident {
[INFO] [stderr]                     ident: "InvalidEmail",
[INFO] [stderr]                     span: #0 bytes(84..96),
[INFO] [stderr]                 },
[INFO] [stderr]                 fields: Fields {
[INFO] [stderr]                     style: Unit,
[INFO] [stderr]                     fields: [],
[INFO] [stderr]                 },
[INFO] [stderr]                 code: None,
[INFO] [stderr]                 message: None,
[INFO] [stderr]             },
[INFO] [stderr]             DetailErrorVariant {
[INFO] [stderr]                 ident: Ident {
[INFO] [stderr]                     ident: "InvalidPassword",
[INFO] [stderr]                     span: #0 bytes(165..180),
[INFO] [stderr]                 },
[INFO] [stderr]                 fields: Fields {
[INFO] [stderr]                     style: Unit,
[INFO] [stderr]                     fields: [],
[INFO] [stderr]                 },
[INFO] [stderr]                 code: Some(
[INFO] [stderr]                     500,
[INFO] [stderr]                 ),
[INFO] [stderr]                 message: Some(
[INFO] [stderr]                     "this is an invalid password",
[INFO] [stderr]                 ),
[INFO] [stderr]             },
[INFO] [stderr]         ],
[INFO] [stderr]     ),
[INFO] [stderr] }
[INFO] [stderr] [detail_error/src/lib.rs:85:5] &detail_error = DetailErrorEnum {
[INFO] [stderr]     ident: Ident {
[INFO] [stderr]         ident: "BusinessError",
[INFO] [stderr]         span: #0 bytes(64..77),
[INFO] [stderr]     },
[INFO] [stderr]     data: Enum(
[INFO] [stderr]         [
[INFO] [stderr]             DetailErrorVariant {
[INFO] [stderr]                 ident: Ident {
[INFO] [stderr]                     ident: "InvalidEmail",
[INFO] [stderr]                     span: #0 bytes(84..96),
[INFO] [stderr]                 },
[INFO] [stderr]                 fields: Fields {
[INFO] [stderr]                     style: Unit,
[INFO] [stderr]                     fields: [],
[INFO] [stderr]                 },
[INFO] [stderr]                 code: None,
[INFO] [stderr]                 message: None,
[INFO] [stderr]             },
[INFO] [stderr]             DetailErrorVariant {
[INFO] [stderr]                 ident: Ident {
[INFO] [stderr]                     ident: "InvalidPassword",
[INFO] [stderr]                     span: #0 bytes(165..180),
[INFO] [stderr]                 },
[INFO] [stderr]                 fields: Fields {
[INFO] [stderr]                     style: Unit,
[INFO] [stderr]                     fields: [],
[INFO] [stderr]                 },
[INFO] [stderr]                 code: Some(
[INFO] [stderr]                     500,
[INFO] [stderr]                 ),
[INFO] [stderr]                 message: Some(
[INFO] [stderr]                     "this is an invalid password",
[INFO] [stderr]                 ),
[INFO] [stderr]             },
[INFO] [stderr]         ],
[INFO] [stderr]     ),
[INFO] [stderr] }
[INFO] [stdout] warning: fields `ident`, `ty`, and `skip` are never read
[INFO] [stdout]   --> detail_error/examples/use_parse.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LoremField {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 12 |     ident: Option<Ident>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     ty: Type,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     #[darling(default)]
[INFO] [stdout] 15 |     skip: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoremField` 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: fields `ident` and `data` are never read
[INFO] [stdout]   --> detail_error/examples/use_parse.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Lorem {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 21 |     ident: Ident,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     data: ast::Data<util::Ignored, LoremField>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lorem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]    --> detail_error/examples/consume_fields.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct MyFieldReceiver {
[INFO] [stdout]     |        --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 139 |     ty: syn::Type,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MyFieldReceiver` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.31s
[INFO] running `Command { std: "docker" "inspect" "da24d0fbb15571bfd9900f1234da30e9078e9cd1dd5b4481ff7ec4adfa5ef5db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da24d0fbb15571bfd9900f1234da30e9078e9cd1dd5b4481ff7ec4adfa5ef5db", kill_on_drop: false }`
[INFO] [stdout] da24d0fbb15571bfd9900f1234da30e9078e9cd1dd5b4481ff7ec4adfa5ef5db
