[INFO] cloning repository https://github.com/hermantolim/mac_derive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hermantolim/mac_derive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhermantolim%2Fmac_derive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhermantolim%2Fmac_derive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 277ddfd5b720245148386a86bcf9f1b037ca0039
[INFO] checking hermantolim/mac_derive against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhermantolim%2Fmac_derive" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hermantolim/mac_derive on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hermantolim/mac_derive
[INFO] finished tweaking git repo https://github.com/hermantolim/mac_derive
[INFO] tweaked toml for git repo https://github.com/hermantolim/mac_derive written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hermantolim/mac_derive 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c984b34cd0e2249f36068de187a8302e700640f1c288114c4d81022e144fc09
[INFO] running `Command { std: "docker" "start" "-a" "6c984b34cd0e2249f36068de187a8302e700640f1c288114c4d81022e144fc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c984b34cd0e2249f36068de187a8302e700640f1c288114c4d81022e144fc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c984b34cd0e2249f36068de187a8302e700640f1c288114c4d81022e144fc09", kill_on_drop: false }`
[INFO] [stdout] 6c984b34cd0e2249f36068de187a8302e700640f1c288114c4d81022e144fc09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4df595d06333c0060db477752a8f4b21fad5629f9202bb18a099384c9493901d
[INFO] running `Command { std: "docker" "start" "-a" "4df595d06333c0060db477752a8f4b21fad5629f9202bb18a099384c9493901d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking mac_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/util.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use syn::{Error, Ident};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_meta_items2`, `get_meta_items`
[INFO] [stdout]  --> src/ast/attr.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     get_meta_items, get_meta_items2, token_from_lit, RenameRule, ATTR,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Literal`, `TokenStream`, `TokenTree`
[INFO] [stdout]  --> src/ast/attr.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use proc_macro2::{Literal, TokenStream, TokenTree};
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/util.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use syn::{Error, Ident};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashSet`
[INFO] [stdout]  --> src/ast/attr.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     collections::HashSet, convert::TryFrom, marker::PhantomData, str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_meta_items2`, `get_meta_items`
[INFO] [stdout]  --> src/ast/attr.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     get_meta_items, get_meta_items2, token_from_lit, RenameRule, ATTR,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attribute`, `Meta`, `NestedMeta`, `ParseStream`, `Parse`
[INFO] [stdout]   --> src/ast/attr.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     parse::{Parse, ParseStream},
[INFO] [stdout]    |             ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 13 |     spanned::Spanned,
[INFO] [stdout] 14 |     Attribute, Error, Ident, Lit, LitStr, Meta, MetaList, MetaNameValue,
[INFO] [stdout]    |     ^^^^^^^^^                             ^^^^
[INFO] [stdout] 15 |     NestedMeta, Result,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Literal`, `TokenStream`, `TokenTree`
[INFO] [stdout]  --> src/ast/attr.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use proc_macro2::{Literal, TokenStream, TokenTree};
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `write`
[INFO] [stdout]   --> src/ast/enum_repr.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |             fs::{write, File, OpenOptions},
[INFO] [stdout]    |                  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashSet`
[INFO] [stdout]  --> src/ast/attr.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     collections::HashSet, convert::TryFrom, marker::PhantomData, str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ContainerAttr`, `VariantAttr`
[INFO] [stdout]  --> src/ast/parser.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ast::{AttributesBucket, ContainerAttr, VariantAttr, ID};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/ast/parser.rs:6:51
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashSet, convert::TryFrom, hash::Hash};
[INFO] [stdout]   |                                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MetaList`, `MetaNameValue`
[INFO] [stdout]  --> src/ast/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MetaList, MetaNameValue, NestedMeta, Path, Result, Type,
[INFO] [stdout]   |     ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenStream` is imported redundantly
[INFO] [stdout]  --> src/derive.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ast::Enum, util::*};
[INFO] [stdout]   |                        ------- the item `TokenStream` is already imported here
[INFO] [stdout] 2 | use proc_macro2::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attribute`, `Meta`, `NestedMeta`, `ParseStream`, `Parse`
[INFO] [stdout]   --> src/ast/attr.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     parse::{Parse, ParseStream},
[INFO] [stdout]    |             ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 13 |     spanned::Spanned,
[INFO] [stdout] 14 |     Attribute, Error, Ident, Lit, LitStr, Meta, MetaList, MetaNameValue,
[INFO] [stdout]    |     ^^^^^^^^^                             ^^^^
[INFO] [stdout] 15 |     NestedMeta, Result,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `write`
[INFO] [stdout]   --> src/ast/enum_repr.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |             fs::{write, File, OpenOptions},
[INFO] [stdout]    |                  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ContainerAttr`, `VariantAttr`
[INFO] [stdout]  --> src/ast/parser.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ast::{AttributesBucket, ContainerAttr, VariantAttr, ID};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/ast/parser.rs:6:51
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashSet, convert::TryFrom, hash::Hash};
[INFO] [stdout]   |                                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MetaList`, `MetaNameValue`
[INFO] [stdout]  --> src/ast/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MetaList, MetaNameValue, NestedMeta, Path, Result, Type,
[INFO] [stdout]   |     ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenStream` is imported redundantly
[INFO] [stdout]  --> src/derive.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ast::Enum, util::*};
[INFO] [stdout]   |                        ------- the item `TokenStream` is already imported here
[INFO] [stdout] 2 | use proc_macro2::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `convert::TryFrom`
[INFO] [stdout]  --> src/ast/parser.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashSet, convert::TryFrom, hash::Hash};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `convert::TryFrom`
[INFO] [stdout]  --> src/ast/parser.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashSet, convert::TryFrom, hash::Hash};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/ast/attr.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |             (id, list) if id == ATTR || id == ATTR_NEST || id == OTHER => {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/ast/attr.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |             (id, list) if id == ATTR || id == ATTR_NEST || id == OTHER => {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/ast/attr.rs:172:18
[INFO] [stdout]     |
[INFO] [stdout] 172 |             (id, list) if id == OTHER => Ok(VariantAttr::Trans(PhantomData)),
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/ast/attr.rs:172:18
[INFO] [stdout]     |
[INFO] [stdout] 172 |             (id, list) if id == OTHER => Ok(VariantAttr::Trans(PhantomData)),
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VarAttr` is never constructed
[INFO] [stdout]    --> src/ast/attr.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct VarAttr<'a> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attrs`, `generics`, and `variants` are never read
[INFO] [stdout]   --> src/ast/enum_repr.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Enum {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 29 |     pub attrs: HashSet<ContainerAttr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 30 |     pub ident: Ident,
[INFO] [stdout] 31 |     pub generics: Generics,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 32 |     pub variants: Vec<Variant>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Enum` 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 `VarAttr` is never constructed
[INFO] [stdout]    --> src/ast/attr.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct VarAttr<'a> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attrs`, `generics`, and `variants` are never read
[INFO] [stdout]   --> src/ast/enum_repr.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Enum {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 29 |     pub attrs: HashSet<ContainerAttr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 30 |     pub ident: Ident,
[INFO] [stdout] 31 |     pub generics: Generics,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 32 |     pub variants: Vec<Variant>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Enum` 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 `attrs`, `ident`, and `fields` are never read
[INFO] [stdout]   --> src/ast/enum_repr.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Variant {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 37 |     pub attrs: HashSet<VariantAttr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 38 |     pub ident: Ident,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 39 |     pub fields: Fields,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Variant` 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 `attrs`, `ident`, and `fields` are never read
[INFO] [stdout]   --> src/ast/enum_repr.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Variant {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 37 |     pub attrs: HashSet<VariantAttr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 38 |     pub ident: Ident,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 39 |     pub fields: Fields,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Variant` 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 `enum_token`, `colon_token`, `arrow_token`, and `brace_token` are never read
[INFO] [stdout]    --> src/ast/enum_repr.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct EnumMacro {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub enum_token: token::Enum,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 148 |     pub ident: Ident,
[INFO] [stdout] 149 |     pub colon_token: token::Colon,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 150 |     pub repr: Ident,
[INFO] [stdout] 151 |     pub arrow_token: token::RArrow,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 152 |     pub default: Ident,
[INFO] [stdout] 153 |     pub brace_token: token::Brace,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EnumMacro` 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 `enum_token`, `colon_token`, `arrow_token`, and `brace_token` are never read
[INFO] [stdout]    --> src/ast/enum_repr.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct EnumMacro {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub enum_token: token::Enum,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 148 |     pub ident: Ident,
[INFO] [stdout] 149 |     pub colon_token: token::Colon,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 150 |     pub repr: Ident,
[INFO] [stdout] 151 |     pub arrow_token: token::RArrow,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 152 |     pub default: Ident,
[INFO] [stdout] 153 |     pub brace_token: token::Brace,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EnumMacro` 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 `paren_token` is never read
[INFO] [stdout]    --> src/ast/enum_repr.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct FieldsMacro {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 166 |     /// wrapping ident and discriminant
[INFO] [stdout] 167 |     pub paren_token: token::Paren,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldsMacro` 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 `paren_token` is never read
[INFO] [stdout]    --> src/ast/enum_repr.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct FieldsMacro {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 166 |     /// wrapping ident and discriminant
[INFO] [stdout] 167 |     pub paren_token: token::Paren,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldsMacro` 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 `attrs` is never read
[INFO] [stdout]  --> src/attr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Args {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 7 |     attrs: Vec<Attribute>
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Args` 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 `attrs` is never read
[INFO] [stdout]  --> src/attr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Args {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 7 |     attrs: Vec<Attribute>
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/util.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use syn::{Error, Ident};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_meta_items2`, `get_meta_items`
[INFO] [stdout]  --> src/ast/attr.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     get_meta_items, get_meta_items2, token_from_lit, RenameRule, ATTR,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Literal`, `TokenStream`, `TokenTree`
[INFO] [stdout]  --> src/ast/attr.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use proc_macro2::{Literal, TokenStream, TokenTree};
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashSet`
[INFO] [stdout]  --> src/ast/attr.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     collections::HashSet, convert::TryFrom, marker::PhantomData, str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attribute`, `Meta`, `NestedMeta`, `ParseStream`, `Parse`
[INFO] [stdout]   --> src/ast/attr.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     parse::{Parse, ParseStream},
[INFO] [stdout]    |             ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 13 |     spanned::Spanned,
[INFO] [stdout] 14 |     Attribute, Error, Ident, Lit, LitStr, Meta, MetaList, MetaNameValue,
[INFO] [stdout]    |     ^^^^^^^^^                             ^^^^
[INFO] [stdout] 15 |     NestedMeta, Result,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `write`
[INFO] [stdout]   --> src/ast/enum_repr.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |             fs::{write, File, OpenOptions},
[INFO] [stdout]    |                  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ContainerAttr`, `VariantAttr`
[INFO] [stdout]  --> src/ast/parser.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ast::{AttributesBucket, ContainerAttr, VariantAttr, ID};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/ast/parser.rs:6:51
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashSet, convert::TryFrom, hash::Hash};
[INFO] [stdout]   |                                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MetaList`, `MetaNameValue`
[INFO] [stdout]  --> src/ast/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     MetaList, MetaNameValue, NestedMeta, Path, Result, Type,
[INFO] [stdout]   |     ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TokenStream` is imported redundantly
[INFO] [stdout]  --> src/derive.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ast::Enum, util::*};
[INFO] [stdout]   |                        ------- the item `TokenStream` is already imported here
[INFO] [stdout] 2 | use proc_macro2::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `convert::TryFrom`
[INFO] [stdout]  --> src/ast/parser.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashSet, convert::TryFrom, hash::Hash};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/ast/attr.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |             (id, list) if id == ATTR || id == ATTR_NEST || id == OTHER => {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/ast/attr.rs:172:18
[INFO] [stdout]     |
[INFO] [stdout] 172 |             (id, list) if id == OTHER => Ok(VariantAttr::Trans(PhantomData)),
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VarAttr` is never constructed
[INFO] [stdout]    --> src/ast/attr.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct VarAttr<'a> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attrs`, `generics`, and `variants` are never read
[INFO] [stdout]   --> src/ast/enum_repr.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Enum {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 29 |     pub attrs: HashSet<ContainerAttr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 30 |     pub ident: Ident,
[INFO] [stdout] 31 |     pub generics: Generics,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 32 |     pub variants: Vec<Variant>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Enum` 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 `attrs`, `ident`, and `fields` are never read
[INFO] [stdout]   --> src/ast/enum_repr.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Variant {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 37 |     pub attrs: HashSet<VariantAttr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 38 |     pub ident: Ident,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 39 |     pub fields: Fields,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Variant` 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 `enum_token`, `colon_token`, `arrow_token`, and `brace_token` are never read
[INFO] [stdout]    --> src/ast/enum_repr.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct EnumMacro {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub enum_token: token::Enum,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 148 |     pub ident: Ident,
[INFO] [stdout] 149 |     pub colon_token: token::Colon,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 150 |     pub repr: Ident,
[INFO] [stdout] 151 |     pub arrow_token: token::RArrow,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 152 |     pub default: Ident,
[INFO] [stdout] 153 |     pub brace_token: token::Brace,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EnumMacro` 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 `paren_token` is never read
[INFO] [stdout]    --> src/ast/enum_repr.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct FieldsMacro {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 166 |     /// wrapping ident and discriminant
[INFO] [stdout] 167 |     pub paren_token: token::Paren,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldsMacro` 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 `attrs` is never read
[INFO] [stdout]  --> src/attr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Args {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 7 |     attrs: Vec<Attribute>
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> examples/derive.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[enum_repr(rename_all = "UPPERCASE", other(Meta1, Meta2))]
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 8 | #[repr(C)]
[INFO] [stdout] 9 | #[derive(Debug, EnumRepr)]
[INFO] [stdout]   |                 -------- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::identity`
[INFO] [stdout]    --> examples/derive.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | use std::convert::identity;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> examples/derive.rs:173:6
[INFO] [stdout]     |
[INFO] [stdout] 173 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> examples/derive.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let e = MyEnum::Variant1;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> examples/derive.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     let a = FullOpt::new();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> examples/derive.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let a = Red::new();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> examples/derive.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let b = Blue::new();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> examples/derive.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let r = c.r();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> examples/derive.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let b = c.b();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> examples/derive.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let g = c.g();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> examples/derive.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let y = c.c();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `c`
[INFO] [stdout]    --> examples/derive.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let c = Color::new();
[INFO] [stdout]     |         - move occurs because `c` has type `te::Color<Red, Red>`, which does not implement the `Copy` trait
[INFO] [stdout] 213 |     let r = c.r();
[INFO] [stdout]     |               --- `c` moved due to this method call
[INFO] [stdout] 214 |     let b = c.b();
[INFO] [stdout]     |             ^ value used here after move
[INFO] [stdout]     |
[INFO] [stdout] note: `te::Color::<Red, P>::r` takes ownership of the receiver `self`, which moves `c`
[INFO] [stdout]    --> examples/derive.rs:184:14
[INFO] [stdout]     |
[INFO] [stdout] 184 |         fn r(self) -> Color<Red, Red> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `c`
[INFO] [stdout]    --> examples/derive.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let c = Color::new();
[INFO] [stdout]     |         - move occurs because `c` has type `te::Color<Red, Red>`, which does not implement the `Copy` trait
[INFO] [stdout] 213 |     let r = c.r();
[INFO] [stdout] 214 |     let b = c.b();
[INFO] [stdout]     |               --- `c` moved due to this method call
[INFO] [stdout] 215 |     let g = c.g();
[INFO] [stdout]     |             ^ value used here after move
[INFO] [stdout]     |
[INFO] [stdout] note: `te::Color::<Red, P>::b` takes ownership of the receiver `self`, which moves `c`
[INFO] [stdout]    --> examples/derive.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |         fn b(self) -> Color<Blue, Red> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `c`
[INFO] [stdout]    --> examples/derive.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let c = Color::new();
[INFO] [stdout]     |         - move occurs because `c` has type `te::Color<Red, Red>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 215 |     let g = c.g();
[INFO] [stdout]     |               --- `c` moved due to this method call
[INFO] [stdout] 216 |     let y = c.c();
[INFO] [stdout]     |             ^ value used here after move
[INFO] [stdout]     |
[INFO] [stdout] note: `te::Color::<Red, P>::g` takes ownership of the receiver `self`, which moves `c`
[INFO] [stdout]    --> examples/derive.rs:197:14
[INFO] [stdout]     |
[INFO] [stdout] 197 |         fn g(self) -> Color<Green, Red> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mac_derive` (example "derive") due to 4 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4df595d06333c0060db477752a8f4b21fad5629f9202bb18a099384c9493901d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df595d06333c0060db477752a8f4b21fad5629f9202bb18a099384c9493901d", kill_on_drop: false }`
[INFO] [stdout] 4df595d06333c0060db477752a8f4b21fad5629f9202bb18a099384c9493901d