cargo clippy doesn't give warnings/errors after cargo check for clippy::cargo lint

[akshatagarwl]

Steps to reproduce:

• Initialize a project with the cargo init command
• Add the #![deny(clippy::cargo)] lint in the main.rs file
• Run cargo clippy

    Checking clippy_check_bug v0.1.0 (/home/humancalico/clippy_check_bug)
error: package `clippy_check_bug` is missing `package.description` metadata
  |
note: the lint level is defined here
 --> src/main.rs:1:9
  |
1 | #![deny(clippy::cargo)]
  |         ^^^^^^^^^^^^^
  = note: `#[deny(clippy::cargo_common_metadata)]` implied by `#[deny(clippy::cargo)]`
  = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cargo_common_metadata

error: package `clippy_check_bug` is missing `either package.license or package.license_file` metadata
  |
  = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cargo_common_metadata

error: package `clippy_check_bug` is missing `package.repository` metadata
  |
  = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cargo_common_metadata

error: package `clippy_check_bug` is missing `package.readme` metadata
  |
  = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cargo_common_metadata

error: package `clippy_check_bug` is missing `package.keywords` metadata
  |
  = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cargo_common_metadata

error: package `clippy_check_bug` is missing `package.categories` metadata
  |
  = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cargo_common_metadata

error: aborting due to 6 previous errors

error: could not compile `clippy_check_bug`

To learn more, run the command again with --verbose.

• run cargo check

    Checking clippy_check_bug v0.1.0 (/home/humancalico/clippy_check_bug)
    Finished dev [unoptimized + debuginfo] target(s) in 0.18s

• run cargo clippy

    Finished dev [unoptimized + debuginfo] target(s) in 0.00s

• run cargo clean
• run cargo clippy again
  Gives the same errors as before

Meta

• cargo clippy -V: clippy 0.0.212 (cb75ad5 2021-02-10)
• rustc -Vv:

    rustc 1.50.0 (cb75ad5db 2021-02-10)
    binary: rustc
    commit-hash: cb75ad5db02783e8b0222fee363c5f63f7e2cf5b
    commit-date: 2021-02-10
    host: x86_64-unknown-linux-gnu
    release: 1.50.0
  

[akshatagarwl]

Update: not just for clippy::cargo lint but for all lints

[Y-Nak]

This is a duplicate of #4612.

[akshatagarwl]

Oops didn't see that. I only searched for open issues while searching for this. Sorry 😥