Rustup installation error: command failed: mktemp -d

1

Hi,

I'm trying to install Rust on my OS X 10.9.2 Mac.

When I run the command

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

from a bash shell in the terminal, as per Install Rust - Rust Programming Language, I get the error:

james-mbp-4:~ jamespedersen$ curl https://sh.rustup.rs -sSf | sh
usage: mktemp [-d] [-q] [-t prefix] [-u] template ...
       mktemp [-d] [-q] [-u] -t prefix 
rustup: command failed: mktemp -d
info: downloading installer
mkdir: : No such file or directory
rustup: command failed: mkdir -p 
james-mbp-4:~ jamespedersen$

Any idea as to how to fix this? Is OS-X 10.9 too old for rust? What is the minimum OS-X version that Rust supports?

2

(Disclaimer: I don't know anything about rustup internals, just poking around in the GitHub repo.)

There is a very similar-looking issue on GitHub from 2016. It was closed in this PR, with this diff:

-   local _dir="$(ensure mktemp -d)"
+   local _dir="$(mktemp -d 2>/dev/null || ensure mktemp -d -t rustup)"

The added line means "try mktemp -d, and if that fails do mktemp -d -t rustup instead, making sure that exits successfully".

However, that change was reverted in a later PR, with the inverse diff:

-   _dir="$(mktemp -d 2>/dev/null || ensure mktemp -d -t rustup)"
+   _dir="$(ensure mktemp -d)"

And I guess that's why you're still running into this problem—it might make sense to open an issue so the maintainers are aware of this. In the meantime, I'd suggest doing curl https://sh.rustup.rs >rustup-setup.sh, then editing rustup-setup.sh manually to replace ensure mktemp -d with ensure mktemp -d -t rustup, and finally running sh rustup-setup.sh.

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