Building stage2 tool cargo (x86_64-unknown-freebsd)
running: "/wrkdirs/usr/ports/lang/rust/work/rustc-1.27.1-src/build/x86_64-unknown-freebsd/stage0/bin/cargo" "build" "--target" "x86_64-unknown-freebsd" "--release" "--frozen" "--manifest-path" "/wrkdirs/usr/ports/lang/rust/work/rustc-1.27.1-src/src/tools/cargo/Cargo.toml" "--features" "" "--message-format" "json"
error: the listed checksum of `/wrkdirs/usr/ports/lang/rust/work/rustc-1.27.1-src/src/vendor/libgit2-sys/libgit2/src/streams/openssl.c` has changed:
expected: ef75d3fffa0bf3bdc0ba5ddb49fcbee412a58a4b31e45280543a1f4083f5d903
actual:   0cbfb6941ab35992db4a0808bfc4d64f4d6b5a24dd5691480606ba1f2d3ad0a3

directory sources are not intended to be edited, if modifications are required then it is recommended that [replace] is used with a forked copy of the source
command did not execute successfully: "/wrkdirs/usr/ports/lang/rust/work/rustc-1.27.1-src/build/x86_64-unknown-freebsd/stage0/bin/cargo" "build" "--target" "x86_64-unknown-freebsd" "--release" "--frozen" "--manifest-path" "/wrkdirs/usr/ports/lang/rust/work/rustc-1.27.1-src/src/tools/cargo/Cargo.toml" "--features" "" "--message-format" "json"
expected success, got: exit code: 101
Traceback (most recent call last):
  File "/wrkdirs/usr/ports/lang/rust/work/rustc-1.27.1-src/x.py", line 20, in <module>
    bootstrap.main()
  File "/wrkdirs/usr/ports/lang/rust/work/rustc-1.27.1-src/src/bootstrap/bootstrap.py", line 800, in main
    bootstrap(help_triggered)
  File "/wrkdirs/usr/ports/lang/rust/work/rustc-1.27.1-src/src/bootstrap/bootstrap.py", line 791, in bootstrap
    run(args, env=env, verbose=build.verbose)
  File "/wrkdirs/usr/ports/lang/rust/work/rustc-1.27.1-src/src/bootstrap/bootstrap.py", line 148, in run
    raise RuntimeError(err)
RuntimeError: failed to run: /wrkdirs/usr/ports/lang/rust/work/rustc-1.27.1-src/build/bootstrap/debug/bootstrap build --verbose --config ./config.toml --jobs 16
*** Error code 1

Stop.
make: stopped in /usr/ports/lang/rust
=>> Cleaning up wrkdir
===>  Cleaning for rust-1.27.1
build of lang/rust | rust-1.27.1 ended at Sun Jul 22 19:46:00 EDT 2018
build time: 01:07:55
!!! build failure encountered !!!