Use HTTPS links where possible

src/test/pretty/block-comment-wchar.pp

@@ -90,7 +90,7 @@ fn f() {
 }
 
 fn main() {
-    // Taken from http://www.unicode.org/Public/UNIDATA/PropList.txt
+    // Taken from https://www.unicode.org/Public/UNIDATA/PropList.txt
     let chars =
         ['\x0A', '\x0B', '\x0C', '\x0D', '\x20', '\u{85}', '\u{A0}',
          '\u{1680}', '\u{2000}', '\u{2001}', '\u{2002}', '\u{2003}',

src/test/pretty/block-comment-wchar.rs

@@ -86,7 +86,7 @@ fn f() {
 }
 
 fn main() {
-    // Taken from http://www.unicode.org/Public/UNIDATA/PropList.txt
+    // Taken from https://www.unicode.org/Public/UNIDATA/PropList.txt
     let chars =
         ['\x0A', '\x0B', '\x0C', '\x0D', '\x20', '\u{85}', '\u{A0}',
          '\u{1680}', '\u{2000}', '\u{2001}', '\u{2002}', '\u{2003}',

src/test/run-make-fulldeps/extern-fn-with-packed-struct/test.c

@@ -1,4 +1,4 @@
-// Pragma needed cause of gcc bug on windows: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
+// Pragma needed cause of gcc bug on windows: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
 
 #include <assert.h>
 

src/test/ui/generic-associated-types/collections-project-default.rs

@@ -3,7 +3,7 @@
 #![feature(associated_type_defaults)]
 
 // A Collection trait and collection families. Based on
-// http://smallcultfollowing.com/babysteps/blog/2016/11/03/
+// https://smallcultfollowing.com/babysteps/blog/2016/11/03/
 // associated-type-constructors-part-2-family-traits/
 
 // check that we don't normalize with trait defaults.

src/test/ui/generic-associated-types/collections.rs

@@ -3,7 +3,7 @@
 #![feature(associated_type_defaults)]
 
 // A Collection trait and collection families. Based on
-// http://smallcultfollowing.com/babysteps/blog/2016/11/03/
+// https://smallcultfollowing.com/babysteps/blog/2016/11/03/
 // associated-type-constructors-part-2-family-traits/
 
 // run-pass

src/test/ui/moves/moves-based-on-type-no-recursive-stack-closure.rs

@@ -1,6 +1,6 @@
 // Tests correct kind-checking of the reason stack closures without the :Copy
 // bound must be noncopyable. For details see
-// http://smallcultfollowing.com/babysteps/blog/2013/04/30/the-case-of-the-recurring-closure/
+// https://smallcultfollowing.com/babysteps/blog/2013/04/30/the-case-of-the-recurring-closure/
 
 struct R<'a> {
     // This struct is needed to create the

src/test/ui/nullable-pointer-iotareduction.rs

@@ -4,7 +4,7 @@
 
 // Iota-reduction is a rule in the Calculus of (Co-)Inductive Constructions,
 // which "says that a destructor applied to an object built from a constructor
-// behaves as expected".  -- http://coq.inria.fr/doc/Reference-Manual006.html
+// behaves as expected".  -- https://web.archive.org/web/20100531091244/http://coq.inria.fr/doc/Reference-Manual006.html
 //
 // It's a little more complicated here, because of pointers and regions and
 // trying to get assert failure messages that at least identify which case

src/test/ui/parser/parser-unicode-whitespace.rs

@@ -1,7 +1,7 @@
 // run-pass
 // Beware editing: it has numerous whitespace characters which are important.
 // It contains one ranges from the 'PATTERN_WHITE_SPACE' property outlined in
-// http://unicode.org/Public/UNIDATA/PropList.txt
+// https://unicode.org/Public/UNIDATA/PropList.txt
 //
 // The characters in the first expression of the assertion can be generated
 // from: "4\u{0C}+\n\t\r7\t*\u{20}2\u{85}/\u{200E}3\u{200F}*\u{2028}2\u{2029}"

src/test/ui/traits/reservation-impl/non-lattice-ok.rs

@@ -28,7 +28,7 @@
 // go with a known approach, we should go with a "marker trait overlap"-style
 // approach.
 //
-// [ii]: http://smallcultfollowing.com/babysteps/blog/2016/09/24/intersection-impls/
+// [ii]: https://smallcultfollowing.com/babysteps/blog/2016/09/24/intersection-impls/
 
 #![feature(rustc_attrs, never_type)]
 

src/test/ui/wait-forked-but-failed-child.rs

@@ -28,7 +28,7 @@ use std::process::Command;
 fn find_zombies() {
     let my_pid = unsafe { libc::getpid() };
 
-    // http://pubs.opengroup.org/onlinepubs/9699919799/utilities/ps.html
+    // https://pubs.opengroup.org/onlinepubs/9699919799/utilities/ps.html
     let ps_cmd_output = Command::new("ps").args(&["-A", "-o", "pid,ppid,args"]).output().unwrap();
     let ps_output = String::from_utf8_lossy(&ps_cmd_output.stdout);