These fields are all relevant to the argument parser and forwarded through to the delegated cargo rustc.
```console
warning: field is never read: `quiet`
--> src/main.rs:82:9
|
82 | quiet: bool,
| ^^^^^^^^^^^
|
= note: `#[warn(dead_code)]` on by default
warning: field is never read: `package`
--> src/main.rs:84:9
|
84 | package: Option,
| ^^^^^^^^^^^^^^^^^^^^^^^
warning: field is never read: `lib`
--> src/main.rs:86:9
|
86 | lib: bool,
| ^^^^^^^^^
warning: field is never read: `bin`
--> src/main.rs:88:9
|
88 | bin: Option,
| ^^^^^^^^^^^^^^^^^^^
warning: field is never read: `example`
--> src/main.rs:90:9
|
90 | example: Option,
| ^^^^^^^^^^^^^^^^^^^^^^^
warning: field is never read: `release`
--> src/main.rs:92:9
|
92 | release: bool,
| ^^^^^^^^^^^^^
warning: field is never read: `profile`
--> src/main.rs:94:9
|
94 | profile: Option,
| ^^^^^^^^^^^^^^^^^^^^^^^
warning: field is never read: `features`
--> src/main.rs:96:9
|
96 | features: Option,
| ^^^^^^^^^^^^^^^^^^^^^^^^
warning: field is never read: `all_features`
--> src/main.rs:98:9
|
98 | all_features: bool,
| ^^^^^^^^^^^^^^^^^^
warning: field is never read: `no_default_features`
--> src/main.rs:100:9
|
100 | no_default_features: bool,
| ^^^^^^^^^^^^^^^^^^^^^^^^^
warning: field is never read: `target`
--> src/main.rs:102:9
|
102 | target: Option,
| ^^^^^^^^^^^^^^^^^^^^^^
warning: field is never read: `manifest_path`
--> src/main.rs:104:9
|
104 | manifest_path: Option,
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
warning: field is never read: `rest`
--> src/main.rs:108:9
|
108 | rest: Vec,
| ^^^^^^^^^^^^^^^^^^^
```
These fields are all relevant to the argument parser and forwarded through to the delegated
```console warning: field is never read: `quiet` --> src/main.rs:82:9 | 82 | quiet: bool, | ^^^^^^^^^^^ | = note: `#[warn(dead_code)]` on by default warning: field is never read: `package` --> src/main.rs:84:9 | 84 | package: Optioncargo rustc.