rust -W prints the list of lint checks in non-deterministic order

[pnkfelix]

On my Mac:

% ./objdir-dbgopt/x86_64-apple-darwin/stage2/bin/rustc -v
./objdir-dbgopt/x86_64-apple-darwin/stage2/bin/rustc 0.8-pre (69eb3cd 2013-07-15 20:53:15 +0200)
host: x86_64-apple-darwin
% ./objdir-dbgopt/x86_64-apple-darwin/stage2/bin/rustc -W

Available lint options:
    -W <foo>           Warn about <foo>
    -A <foo>           Allow <foo>
    -D <foo>           Deny <foo>
    -F <foo>           Forbid <foo> (deny, and deny all overrides)


Available lint checks:

                                name  default  meaning
                                ----  -------  -------

    non-implicitly-copyable-typarams     warn  passing non implicitly copyable types as copy type params
               non-uppercase-statics    allow  static constants should have uppercase identifiers
                         heap-memory    allow  use of any (~ type or @ type) heap memory
                non-camel-case-types    allow  types, variants and traits should have camel case names
                    unreachable-code     warn  detects unreachable code
                      path-statement     warn  path statements with no effect
                     unused-variable     warn  detect variables which are not used in any way
                 managed-heap-memory    allow  use of managed (@ type) heap memory
                       unused-unsafe     warn  unnecessary use of an `unsafe` block
                      unused-imports     warn  imports that are never used
                          while-true     warn  suggest using loop { } instead of while(true) { }
                         type-limits     warn  comparisons made useless by limits of the types involved
                     default-methods    allow  allow default methods
              unnecessary-allocation     warn  detects unnecessary allocations that can be eliminated
                     implicit-copies     warn  implicit copies of non implicitly copyable data
                            warnings     warn  mass-change the level for lints which produce warnings
                     dead-assignment     warn  detect assignments that will never be read
           unnecessary-qualification    allow  detects unnecessarily qualified names
                   unrecognized-lint     warn  unrecognized lint attribute
                         missing-doc    allow  detects missing documentation for public members
                              ctypes     warn  proper use of std::libc types in foreign modules
                   owned-heap-memory    allow  use of owned (~ type) heap memory
                          unused-mut     warn  detect mut variables which don't need to be mutable
                  deprecated-pattern    allow  warn about deprecated uses of pattern bindings

% ./objdir-dbgopt/x86_64-apple-darwin/stage2/bin/rustc -W

Available lint options:
    -W <foo>           Warn about <foo>
    -A <foo>           Allow <foo>
    -D <foo>           Deny <foo>
    -F <foo>           Forbid <foo> (deny, and deny all overrides)


Available lint checks:

                                name  default  meaning
                                ----  -------  -------

    non-implicitly-copyable-typarams     warn  passing non implicitly copyable types as copy type params
                     dead-assignment     warn  detect assignments that will never be read
                     implicit-copies     warn  implicit copies of non implicitly copyable data
                      path-statement     warn  path statements with no effect
                              ctypes     warn  proper use of std::libc types in foreign modules
                     default-methods    allow  allow default methods
                      unused-imports     warn  imports that are never used
           unnecessary-qualification    allow  detects unnecessarily qualified names
                          while-true     warn  suggest using loop { } instead of while(true) { }
                   unrecognized-lint     warn  unrecognized lint attribute
                       unused-unsafe     warn  unnecessary use of an `unsafe` block
                          unused-mut     warn  detect mut variables which don't need to be mutable
                non-camel-case-types    allow  types, variants and traits should have camel case names
                         missing-doc    allow  detects missing documentation for public members
                    unreachable-code     warn  detects unreachable code
              unnecessary-allocation     warn  detects unnecessary allocations that can be eliminated
                         type-limits     warn  comparisons made useless by limits of the types involved
                   owned-heap-memory    allow  use of owned (~ type) heap memory
                            warnings     warn  mass-change the level for lints which produce warnings
                     unused-variable     warn  detect variables which are not used in any way
                 managed-heap-memory    allow  use of managed (@ type) heap memory
                         heap-memory    allow  use of any (~ type or @ type) heap memory
               non-uppercase-statics    allow  static constants should have uppercase identifiers
                  deprecated-pattern    allow  warn about deprecated uses of pattern bindings

% 

It would be better if the printout ordering were normalized; e.g. sort by name, or by (default, name), something. Just something so someone eyeballing log output doesn't get concerned about such changes.

[bblum]

Haha, they are in a hashmap or something. This is super charming and I would not be upset if it didn't get fixed.