[INFO] cloning repository https://github.com/Kilerd/rust-derive-macro-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kilerd/rust-derive-macro-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKilerd%2Frust-derive-macro-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKilerd%2Frust-derive-macro-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44515567a1c6ce8e051aa64c2d6d65176c1d6d44
[INFO] documenting Kilerd/rust-derive-macro-demo against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKilerd%2Frust-derive-macro-demo" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kilerd/rust-derive-macro-demo on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kilerd/rust-derive-macro-demo
[INFO] finished tweaking git repo https://github.com/Kilerd/rust-derive-macro-demo
[INFO] tweaked toml for git repo https://github.com/Kilerd/rust-derive-macro-demo written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Kilerd/rust-derive-macro-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebb7c15c3ae22adffca78d96f22ad92adeaadd1cfb58dc6a10976aa7ef7de0d2
[INFO] running `Command { std: "docker" "start" "-a" "ebb7c15c3ae22adffca78d96f22ad92adeaadd1cfb58dc6a10976aa7ef7de0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb7c15c3ae22adffca78d96f22ad92adeaadd1cfb58dc6a10976aa7ef7de0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb7c15c3ae22adffca78d96f22ad92adeaadd1cfb58dc6a10976aa7ef7de0d2", kill_on_drop: false }`
[INFO] [stdout] ebb7c15c3ae22adffca78d96f22ad92adeaadd1cfb58dc6a10976aa7ef7de0d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9221a75a63a48a5557ba016a4d871372328e6291ad3a64b4f3f5f35645e2afd6
[INFO] running `Command { std: "docker" "start" "-a" "9221a75a63a48a5557ba016a4d871372328e6291ad3a64b4f3f5f35645e2afd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro2::Ident`
[INFO] [stdout]  --> detail_error/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use proc_macro2::Ident;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fields`
[INFO] [stdout]   --> detail_error/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fields: darling::ast::Fields<syn::Field>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DetailErrorVariant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> detail_error/src/lib.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, FromVariant)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting rust-derive-macro-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] [detail_error/src/lib.rs:35] &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]     Finished dev [unoptimized + debuginfo] target(s) in 17.08s
[INFO] running `Command { std: "docker" "inspect" "9221a75a63a48a5557ba016a4d871372328e6291ad3a64b4f3f5f35645e2afd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9221a75a63a48a5557ba016a4d871372328e6291ad3a64b4f3f5f35645e2afd6", kill_on_drop: false }`
[INFO] [stdout] 9221a75a63a48a5557ba016a4d871372328e6291ad3a64b4f3f5f35645e2afd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 5db28b3eea37be979bc2e37278f9ccbfbc64b0af005fb1f902227dd7988ec5cf
[INFO] running `Command { std: "docker" "start" "-a" "5db28b3eea37be979bc2e37278f9ccbfbc64b0af005fb1f902227dd7988ec5cf", kill_on_drop: false }`
[INFO] [stderr] error: no library targets found in package `rust-derive-macro-demo`
[INFO] running `Command { std: "docker" "inspect" "5db28b3eea37be979bc2e37278f9ccbfbc64b0af005fb1f902227dd7988ec5cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db28b3eea37be979bc2e37278f9ccbfbc64b0af005fb1f902227dd7988ec5cf", kill_on_drop: false }`
[INFO] [stdout] 5db28b3eea37be979bc2e37278f9ccbfbc64b0af005fb1f902227dd7988ec5cf