freebsd/circus: workaround the timeout

rust-lang/rustup#2774 It is failing currently on: ``` info: installing component 'cargo' error: error: 'sysinfo not supported on this platform' ``` with 1.52.1
sylvestre · May 22, 2021 · 373776e · 373776e
1 parent df45b20
commit 373776e
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/.cirrus.yml b/.cirrus.yml
@@ -1,3 +1,10 @@
+env:
+  # Temporary workaround for error `error: sysinfo not supported on
+  # this platform` seen on FreeBSD platforms, affecting Rustup
+  #
+  # References: https://github.com/rust-lang/rustup/issues/2774
+  RUSTUP_IO_THREADS: 1
+
 task:
   name: stable x86_64-unknown-freebsd-12
   freebsd_instance: