Inconsistent behavior with rust-analyzer

[DrakulaD3a]

FAQ

• I have checked the FAQ and it didn't resolve my problem.

Announcement

• I have checked Breaking change announcement.

Minimal reproducible full config

Plug 'williamboman/mason.nvim'
Plug 'williamboman/mason-lspconfig.nvim'

require"mason".setup()
require"mason-lspconfig".setup({
  ensure_installed = { "rust_analyzer" },
})
require"mason-lspconfig".setup_handlers({
  function(server)
    require"lspconfig"[server].setup({
      capabilities = require"cmp_nvim_lsp".default_capabilities(capabilities),
    })
  end,
})

Description

When using nvim-cmp with rust-analyzer, showed completions are different from the completions, that actually get inserted. This happens only with rust-analyzer, no other lsp that I used.

Steps to reproduce

Just use the completion with the provided config

Expected behavior

Normal completion

Actual behavior

Completion of seemingly unrelated items

Additional context

With my config:

Bug.mp4

With minimal config:

Bug_minimal.mp4

[hejops]

I've noticed this as well. Another way to trigger this odd behaviour is to type something like 'x'. and (try to) select to_owned(). This completes partial_cmp on my system.

My config is below:

local cmp = require("cmp")
cmp.setup({
	snippet = {
		expand = function(args)
			require("luasnip").lsp_expand(args.body)
		end,
	},
	mapping = cmp.mapping.preset.insert({
		["<cr>"] = cmp.mapping.confirm({
			behavior = cmp.ConfirmBehavior.Replace,
			select = true,
		}),
	},
})

In comparison, Python (Pyright) and Go (gopls) are unaffected.

[hejops]

FWIW, updating rust-analyzer to 2024-12-02 resolved my issue.

[kyoryo]

I still got this issue even after updating rust-analyzer to the mentioned version above.

Did you change anything after updating @hejops ?

[hejops]

I did not, unfortunately.

[kyoryo]

It's the analyzer problem, not cmp. rust-lang/rust-analyzer#18547

[hrsh7th]

IMO, this bug is solved by IMO, current cmp-nvim-lsp has no this problem by hrsh7th/cmp-nvim-lsp#77 .

Could you update cmp-nvim-lsp?

[hrsh7th]

Oh, sorry. I guess I misunderstood. It looks like we need to fix rust-analyzer, so please wait.

[kyoryo]

This issue is resolved by updating rust-analyzer to 2024-12-16