[INFO] fetching crate clap_derive-v3 3.0.0-beta.1...
[INFO] testing clap_derive-v3-3.0.0-beta.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate clap_derive-v3 3.0.0-beta.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate clap_derive-v3 3.0.0-beta.1
[INFO] finished tweaking crates.io crate clap_derive-v3 3.0.0-beta.1
[INFO] tweaked toml for crates.io crate clap_derive-v3 3.0.0-beta.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate clap_derive-v3 3.0.0-beta.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate clap_derive-v3 3.0.0-beta.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded version_check v0.9.1
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7c14b8e4d45c3faa081fe5128674c63c0a0713af2589884c2aa5b2d1302a74f
[INFO] running `Command { std: "docker" "start" "-a" "a7c14b8e4d45c3faa081fe5128674c63c0a0713af2589884c2aa5b2d1302a74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7c14b8e4d45c3faa081fe5128674c63c0a0713af2589884c2aa5b2d1302a74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7c14b8e4d45c3faa081fe5128674c63c0a0713af2589884c2aa5b2d1302a74f", kill_on_drop: false }`
[INFO] [stdout] a7c14b8e4d45c3faa081fe5128674c63c0a0713af2589884c2aa5b2d1302a74f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5029d1fa8a6d98f8289a468564fdd2ad33087a035c039ae522d135ec9bac4f67
[INFO] running `Command { std: "docker" "start" "-a" "5029d1fa8a6d98f8289a468564fdd2ad33087a035c039ae522d135ec9bac4f67", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling clap_derive-v3 v3.0.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/derives/parse.rs:175:28
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 "about" => (Ok(About(name, None))),
[INFO] [stdout]     |                            ^                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 175 -                 "about" => (Ok(About(name, None))),
[INFO] [stdout] 175 +                 "about" => Ok(About(name, None)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/derives/parse.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 "author" => (Ok(Author(name, None))),
[INFO] [stdout]     |                             ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -                 "author" => (Ok(Author(name, None))),
[INFO] [stdout] 176 +                 "author" => Ok(Author(name, None)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CasingStyle` and `Parser`
[INFO] [stdout]   --> src/derives/mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Attrs, CasingStyle, GenOutput, Kind, Name, Parser, ParserKind, DEFAULT_CASING,
[INFO] [stdout]    |            ^^^^^^^^^^^                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/derives/parse.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     RenameAllEnv(Ident, LitStr),
[INFO] [stdout]    |     ------------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     RenameAllEnv(Ident, LitStr),
[INFO] [stdout] 29 +     RenameAllEnv((), LitStr),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/derives/parse.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |     RenameAll(Ident, LitStr),
[INFO] [stdout]    |     --------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     RenameAll(Ident, LitStr),
[INFO] [stdout] 30 +     RenameAll((), LitStr),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq_token` is never read
[INFO] [stdout]    --> src/derives/parse.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub struct ParserSpec {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 189 |     pub kind: Ident,
[INFO] [stdout] 190 |     pub eq_token: Option<Token![=]>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserSpec` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `Command { std: "docker" "inspect" "5029d1fa8a6d98f8289a468564fdd2ad33087a035c039ae522d135ec9bac4f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5029d1fa8a6d98f8289a468564fdd2ad33087a035c039ae522d135ec9bac4f67", kill_on_drop: false }`
[INFO] [stdout] 5029d1fa8a6d98f8289a468564fdd2ad33087a035c039ae522d135ec9bac4f67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c8a06a5c83a28a0f9b0503044b736eae4251730ab2039150573064f35f3a44f
[INFO] running `Command { std: "docker" "start" "-a" "1c8a06a5c83a28a0f9b0503044b736eae4251730ab2039150573064f35f3a44f", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap_derive-v3 v3.0.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/derives/parse.rs:175:28
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 "about" => (Ok(About(name, None))),
[INFO] [stdout]     |                            ^                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 175 -                 "about" => (Ok(About(name, None))),
[INFO] [stdout] 175 +                 "about" => Ok(About(name, None)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/derives/parse.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 "author" => (Ok(Author(name, None))),
[INFO] [stdout]     |                             ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -                 "author" => (Ok(Author(name, None))),
[INFO] [stdout] 176 +                 "author" => Ok(Author(name, None)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/derives/parse.rs:175:28
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 "about" => (Ok(About(name, None))),
[INFO] [stdout]     |                            ^                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 175 -                 "about" => (Ok(About(name, None))),
[INFO] [stdout] 175 +                 "about" => Ok(About(name, None)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/derives/parse.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 "author" => (Ok(Author(name, None))),
[INFO] [stdout]     |                             ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -                 "author" => (Ok(Author(name, None))),
[INFO] [stdout] 176 +                 "author" => Ok(Author(name, None)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CasingStyle` and `Parser`
[INFO] [stdout]   --> src/derives/mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Attrs, CasingStyle, GenOutput, Kind, Name, Parser, ParserKind, DEFAULT_CASING,
[INFO] [stdout]    |            ^^^^^^^^^^^                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CasingStyle` and `Parser`
[INFO] [stdout]   --> src/derives/mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Attrs, CasingStyle, GenOutput, Kind, Name, Parser, ParserKind, DEFAULT_CASING,
[INFO] [stdout]    |            ^^^^^^^^^^^                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/derives/parse.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     RenameAllEnv(Ident, LitStr),
[INFO] [stdout]    |     ------------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     RenameAllEnv(Ident, LitStr),
[INFO] [stdout] 29 +     RenameAllEnv((), LitStr),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/derives/parse.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |     RenameAll(Ident, LitStr),
[INFO] [stdout]    |     --------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     RenameAll(Ident, LitStr),
[INFO] [stdout] 30 +     RenameAll((), LitStr),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq_token` is never read
[INFO] [stdout]    --> src/derives/parse.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub struct ParserSpec {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 189 |     pub kind: Ident,
[INFO] [stdout] 190 |     pub eq_token: Option<Token![=]>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserSpec` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/derives/parse.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     RenameAllEnv(Ident, LitStr),
[INFO] [stdout]    |     ------------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     RenameAllEnv(Ident, LitStr),
[INFO] [stdout] 29 +     RenameAllEnv((), LitStr),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/derives/parse.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |     RenameAll(Ident, LitStr),
[INFO] [stdout]    |     --------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     RenameAll(Ident, LitStr),
[INFO] [stdout] 30 +     RenameAll((), LitStr),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq_token` is never read
[INFO] [stdout]    --> src/derives/parse.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub struct ParserSpec {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 189 |     pub kind: Ident,
[INFO] [stdout] 190 |     pub eq_token: Option<Token![=]>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserSpec` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "1c8a06a5c83a28a0f9b0503044b736eae4251730ab2039150573064f35f3a44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8a06a5c83a28a0f9b0503044b736eae4251730ab2039150573064f35f3a44f", kill_on_drop: false }`
[INFO] [stdout] 1c8a06a5c83a28a0f9b0503044b736eae4251730ab2039150573064f35f3a44f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aac600140463083a724ea06f36a616bc3fbbb8186bb15d746d686698a45a5ca0
[INFO] running `Command { std: "docker" "start" "-a" "aac600140463083a724ea06f36a616bc3fbbb8186bb15d746d686698a45a5ca0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/derives/parse.rs:175:28
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 "about" => (Ok(About(name, None))),
[INFO] [stderr]     |                            ^                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 175 -                 "about" => (Ok(About(name, None))),
[INFO] [stderr] 175 +                 "about" => Ok(About(name, None)),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/derives/parse.rs:176:29
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 "author" => (Ok(Author(name, None))),
[INFO] [stderr]     |                             ^                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 176 -                 "author" => (Ok(Author(name, None))),
[INFO] [stderr] 176 +                 "author" => Ok(Author(name, None)),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CasingStyle` and `Parser`
[INFO] [stderr]   --> src/derives/mod.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Attrs, CasingStyle, GenOutput, Kind, Name, Parser, ParserKind, DEFAULT_CASING,
[INFO] [stderr]    |            ^^^^^^^^^^^                         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/derives/parse.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |     RenameAllEnv(Ident, LitStr),
[INFO] [stderr]    |     ------------ ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 29 -     RenameAllEnv(Ident, LitStr),
[INFO] [stderr] 29 +     RenameAllEnv((), LitStr),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/derives/parse.rs:30:15
[INFO] [stderr]    |
[INFO] [stderr] 30 |     RenameAll(Ident, LitStr),
[INFO] [stderr]    |     --------- ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 30 -     RenameAll(Ident, LitStr),
[INFO] [stderr] 30 +     RenameAll((), LitStr),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `eq_token` is never read
[INFO] [stderr]    --> src/derives/parse.rs:190:9
[INFO] [stderr]     |
[INFO] [stderr] 188 | pub struct ParserSpec {
[INFO] [stderr]     |            ---------- field in this struct
[INFO] [stderr] 189 |     pub kind: Ident,
[INFO] [stderr] 190 |     pub eq_token: Option<Token![=]>,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParserSpec` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `clap_derive-v3` (lib) generated 6 warnings (run `cargo fix --lib -p clap_derive-v3` to apply 3 suggestions)
[INFO] [stderr] warning: `clap_derive-v3` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/clap_derive_v3-2ba534043ba9d13d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clap_derive_v3
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/derives/parse.rs:175:28
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 "about" => (Ok(About(name, None))),
[INFO] [stderr]     |                            ^                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 175 -                 "about" => (Ok(About(name, None))),
[INFO] [stderr] 175 +                 "about" => Ok(About(name, None)),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]    --> src/derives/parse.rs:176:29
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 "author" => (Ok(Author(name, None))),
[INFO] [stderr]     |                             ^                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 176 -                 "author" => (Ok(Author(name, None))),
[INFO] [stderr] 176 +                 "author" => Ok(Author(name, None)),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aac600140463083a724ea06f36a616bc3fbbb8186bb15d746d686698a45a5ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac600140463083a724ea06f36a616bc3fbbb8186bb15d746d686698a45a5ca0", kill_on_drop: false }`
[INFO] [stdout] aac600140463083a724ea06f36a616bc3fbbb8186bb15d746d686698a45a5ca0
