[Bug 259799] devel/rust-cbindgen: armv6: build using "make" fails, using "cargo build --release -j 1" works

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=259799

--- Comment #29 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Mark Millard from comment #28)

I'm getting various builds that are generating
multi-GiByte log files (and growing) that have
lines like:

thread 'rustc' panicked at 'capacity overflow',
library/alloc/src/raw_vec.rs:559:5
stack backtrace:
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose
backtrace.

error: internal compiler error: unexpected panic

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report:
https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.55.0 running on armv7-unknown-freebsd

note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C linker=cc
--crate-type lib

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [trimmed_def_paths] calculating trimmed def paths
#1 [lint_mod] linting module `transitions`
#2 [analysis] running analysis passes on this crate
end of query stack
thread 'rustc' panicked at 'cannot panic during the backtrace function',
library/std/src/../../backtrace/src/lib.rs:147:13
stack backtrace:
   0: 0x4710076c - <std::sys_common::backtrace::_print::DisplayBacktrace as
core::fmt::Display>::fmt::h4428caffcb182c5b
   1: 0x471c9d00 - core::fmt::write::h91f4a7678561fd61
   2: 0x470e2180 - <unknown>
   3: 0x470ebd40 - <unknown>
   4: 0x470eb824 - <unknown>
   5: 0x41ed4848 - <unknown>
   6: 0x470ec690 - std::panicking::rust_panic_with_hook::h6bc4b7e83060df25
   7: 0x47100f0c - <unknown>
   8: 0x47100900 - <unknown>
   9: 0x470ec374 - <unknown>
. . .
  65: 0x470ee71c - <unknown>
  66: 0x401361bc - <unknown>
  67: 0x40135cd8 - pthread_create
  68: 0x40138b9c - pthread_peekjoin_np
  69: 0x40138b9c - pthread_peekjoin_np
  70: 0x40138b9c - pthread_peekjoin_np
  71: 0x40138b9c - pthread_peekjoin_np
  72: 0x40138b9c - pthread_peekjoin_np
  73: 0x40138b9c - pthread_peekjoin_np
. . . massive repitition of pthread_peekjoin_np lines . . .

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