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cargo +nightly error : no such subcommand

While executing : cargo +nightly install --git https://github.com/alexcrichton/wasm-gc --force in Ubuntu 18.04, is throwing

error: no such subcommand: +nightly

My system has following nightly version

rustc 1.47.0-nightly

 cargo 1.47.0-nightly install --git https://github.com/alexcrichton/wasm-gc --force

Even, above command throws similar error!

Cmd1 : rustup toolchain install nightly

Cmd2 : rustup update

Even after running these commands as suggested over communities, error isn't resolved. I'm new to rust & couldn't link cargo to installed nightly via rustup.

System Details

cargo version : 1.43.0

rustup version : 1.22.1 (b01adbbc3 2020-07-08)

Cmd 3:

which cargo  : /usr/bin/cargo
like image 932
Genie Avatar asked Jan 24 '23 19:01

Genie


1 Answers

which cargo printing out /usr/bin/cargo indicates that it defaults to Cargo that you installed from your OS's package manager (apt).

Invocations with the toolchain version like cargo +nightly are not a feature of Cargo, but rather Rustup. In fact, Rustup's cargo is a link to rustup that then invokes the "real" cargo stored under .rustup/toolchains.

The easiest way to solve this would be to uninstall the Cargo you obtained from Ubuntu repositories:

$ apt remove cargo

Otherwise, you could try to manipulate your PATH such that /home/<your_username>/.cargo/bin comes before /usr/bin.

like image 184
justinas Avatar answered Jan 27 '23 09:01

justinas