Daiderd Jordan 8df4338f51
rustPackages: make rustc-dev optional
This was only introduced in 1.40.0 and doesn't work on older versions.

    thread 'main' panicked at 'Error: no rules matched rustc-dev.', src/bootstrap/builder.rs:231:21
    note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
    failed to run: /build/rustc-1.38.0-src/build/bootstrap/debug/bootstrap dist rustc-dev
2020-01-18 10:57:13 +01:00
..
2019-08-28 11:07:32 +00:00
2019-12-24 16:15:36 +00:00
2019-08-28 11:07:32 +00:00
2019-12-15 13:52:40 +01:00
2019-08-28 11:07:32 +00:00
2019-11-01 23:02:34 +08:00
2019-08-31 07:41:22 -04:00