[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] testing hermantolim/mac_derive against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhermantolim%2Fmac_derive" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hermantolim/mac_derive on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-108/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 691aa0f7a05244dce64321a4f9685cbd4cc16533c471d94f4937a3d8576b9419
[INFO] running `Command { std: "docker" "start" "-a" "691aa0f7a05244dce64321a4f9685cbd4cc16533c471d94f4937a3d8576b9419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "691aa0f7a05244dce64321a4f9685cbd4cc16533c471d94f4937a3d8576b9419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691aa0f7a05244dce64321a4f9685cbd4cc16533c471d94f4937a3d8576b9419", kill_on_drop: false }`
[INFO] [stdout] 691aa0f7a05244dce64321a4f9685cbd4cc16533c471d94f4937a3d8576b9419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b80d6cf08bbbb1048fe5d99c880c34124ccacca4ab37f164634a07ceb94cb5c5
[INFO] running `Command { std: "docker" "start" "-a" "b80d6cf08bbbb1048fe5d99c880c34124ccacca4ab37f164634a07ceb94cb5c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling mac_derive v0.1.0 (/opt/rustwide/workdir)
[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]   = note: `#[warn(unused_imports)]` on by default
[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: 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: field is never read: `attrs`
[INFO] [stdout]  --> src/attr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     attrs: Vec<Attribute>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/attr.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug)]
[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: struct is never constructed: `VarAttr`
[INFO] [stdout]    --> src/ast/attr.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct VarAttr<'a> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.19s
[INFO] running `Command { std: "docker" "inspect" "b80d6cf08bbbb1048fe5d99c880c34124ccacca4ab37f164634a07ceb94cb5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80d6cf08bbbb1048fe5d99c880c34124ccacca4ab37f164634a07ceb94cb5c5", kill_on_drop: false }`
[INFO] [stdout] b80d6cf08bbbb1048fe5d99c880c34124ccacca4ab37f164634a07ceb94cb5c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d475259cfdb29d716edfc8eab708175a7f78a742178d0aa5b6cf1463f15e9c3
[INFO] running `Command { std: "docker" "start" "-a" "8d475259cfdb29d716edfc8eab708175a7f78a742178d0aa5b6cf1463f15e9c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mac_derive v0.1.0 (/opt/rustwide/workdir)
[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]   = note: `#[warn(unused_imports)]` on by default
[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: 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: field is never read: `attrs`
[INFO] [stdout]  --> src/attr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     attrs: Vec<Attribute>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/attr.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug)]
[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: struct is never constructed: `VarAttr`
[INFO] [stdout]    --> src/ast/attr.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct VarAttr<'a> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 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]   = note: `#[warn(legacy_derive_helpers)]` on by default
[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] 
[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] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> examples/derive.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trace_macros)]
[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]   = note: `#[warn(unused_imports)]` on by default
[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] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mac_derive` due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: field is never read: `attrs`
[INFO] [stdout]  --> src/attr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     attrs: Vec<Attribute>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/attr.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug)]
[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: struct is never constructed: `VarAttr`
[INFO] [stdout]    --> src/ast/attr.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct VarAttr<'a> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d475259cfdb29d716edfc8eab708175a7f78a742178d0aa5b6cf1463f15e9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d475259cfdb29d716edfc8eab708175a7f78a742178d0aa5b6cf1463f15e9c3", kill_on_drop: false }`
[INFO] [stdout] 8d475259cfdb29d716edfc8eab708175a7f78a742178d0aa5b6cf1463f15e9c3