[Bug 292053] lang/rust fails sanity check with 'couldn't find required command: "" ' on 15.0-RELEASE

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 30 Dec 2025 20:32:54 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292053

            Bug ID: 292053
           Summary: lang/rust fails sanity check with 'couldn't find
                    required command: "" ' on 15.0-RELEASE
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: rust@FreeBSD.org
          Reporter: jmgriffith82@gmail.com
          Assignee: rust@FreeBSD.org
             Flags: maintainer-feedback?(rust@FreeBSD.org)

Created attachment 266659
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=266659&action=edit
Output of lang/rust build from my Poudriere jail.

Building with Poudriere in a jail, this has failed on 15.0-RELEASE across
multiple versions of lang/rust (1.89 from quarterly, 1.91 and 1.92 from HEAD
and experimental 1.94), all with the same message:

---

running sanity check
running: "/wrkdirs/usr/ports/lang/rust/work/bootstrap/bin/rustc" "--print"
"target-list" (failure_mode=Exit) (created at
src/bootstrap/src/core/sanity.rs:202:57, executed at
src/bootstrap/src/core/sanity.rs:205:10)

thread 'main' (416616) panicked at src/bootstrap/src/core/sanity.rs:76:13:


couldn't find required command: ""

---

My 13.5 Poudriere jail has been able to build rust 1.92, and I've not yet been
able to see what the difference might be. Attaching my build log from the last
run.

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