Showing this is error when i run cargo build please help

Compiling solana-runtime v1.10.12
error[E0658]: destructuring assignments are unstable
→ /home/alibhaimalai/.cargo/registry/src/github.com-1ecc6299db9ec823/solana-runtime-1.10.12/src/cost_model.rs:100:71
|
100 | (tx_cost.builtins_execution_cost, tx_cost.bpf_execution_cost) =
| ------------------------------------------------------------- ^
| |
| cannot assign to this expression
|
= note: see issue #71126 https://github.com/rust-lang/rust/issues/71126 for more information

For more information about this error, try rustc --explain E0658.
error: could not compile solana-runtime due to previous error

Hi, update your rust with rustup update, should fix it

do you mean i only need to send this command :- rustc update

.???

hi,its:

rustup update

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now showing this error
and thanks for your help i