No default toolchain configured error when run rustc
How to fix the error: no default toolchain configured error on rust.
I got following error when run rls or rustc
$ rustc
error: no default toolchain configured
The answer is fairly simple. just instll stable and set default. that’s it.
$ rustup install stable
info: syncing channel updates for 'stable-x86_64-unknown-linux-gnu'
info: latest update on 2019-05-23, rust version 1.35.0 (3c235d560 2019-05-20)
info: downloading component 'rustc'
88.4 MiB / 88.4 MiB (100 %) 7.8 MiB/s in 12s ETA: 0s
info: downloading component 'rust-std'
59.1 MiB / 59.1 MiB (100 %) 6.9 MiB/s in 8s ETA: 0s
info: downloading component 'cargo'
info: downloading component 'rust-docs'
10.4 MiB / 10.4 MiB (100 %) 6.5 MiB/s in 1s ETA: 0s
info: installing component 'rustc'
88.4 MiB / 88.4 MiB (100 %) 14.4 MiB/s in 6s ETA: 0s
info: installing component 'rust-std'
59.1 MiB / 59.1 MiB (100 %) 17.3 MiB/s in 3s ETA: 0s
info: installing component 'cargo'
info: installing component 'rust-docs'
10.4 MiB / 10.4 MiB (100 %) 6.9 MiB/s in 1s ETA: 0s
stable-x86_64-unknown-linux-gnu installed - rustc 1.35.0 (3c235d560 2019-05-20)
$ rustup default stable
info: using existing install for 'stable-x86_64-unknown-linux-gnu'
info: default toolchain set to 'stable-x86_64-unknown-linux-gnu'
stable-x86_64-unknown-linux-gnu unchanged - rustc 1.35.0 (3c235d560 2019-05-20)
$ rustc
Usage: rustc [OPTIONS] INPUT
Options:
-h, --help Display this message
simple. isn’t it?