https://buildd.debian.org/status/logs.php?pkg=sccache&ver=0.17.0%2Bds-2

...
error: failed to run `rustc` to learn about target-specific information

Caused by:
  process didn't exit successfully: `rustc - --crate-name ___ --print=file-names debuginfo=1 --target armv7-unknown-linux-gnueabihf --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --print=split-debuginfo --print=crate-name --print=cfg -Wwarnings` (exit status: 1)
  --- stderr
  error: multiple input filenames provided (first two filenames are `-` and `debuginfo=1`)

dh_auto_build: error: /usr/share/dh-rust/bin/cargo build returned exit code 101
make: *** [debian/rules:46: binary-arch] Error 25


The following fixes the build on i386 and armhf:
--- sccache-0.17.0+ds/debian/rules	2026-08-17 13:10:13.000000000 +0300
+++ sccache-0.17.0+ds/debian/rules	2026-08-18 19:59:50.000000000 +0300
@@ -13,11 +13,6 @@
 export DEB_CXXFLAGS_MAINT_STRIP=-O2
 endif

-# reduce risk of out-of-memory issues during build for weak arches
-ifneq (,$(filter $(DEB_HOST_ARCH),armel armhf i386 mipsel riscv64))
-export RUSTFLAGS += debuginfo=1
-endif
-
 # build binary sccache-dist on supported arches
 # TODO: enable when using safe crates (see bug#1142994)
 #ifneq (,$(filter $(DEB_HOST_ARCH),amd64 arm64))

We believe that the bug you reported is fixed in the latest version of
sccache, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1145058@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Jonas Smedegaard <dr@jones.dk> (supplier of updated sccache package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Sat, 22 Aug 2026 07:46:42 +0200
Source: sccache
Architecture: source
Version: 0.17.0+ds-3
Distribution: unstable
Urgency: medium
Maintainer: Jonas Smedegaard <dr@jones.dk>
Changed-By: Jonas Smedegaard <dr@jones.dk>
Closes: 1145058
Changes:
 sccache (0.17.0+ds-3) unstable; urgency=medium
 .
   * drop broken attempt at lightening load during build on weak archs;
     closes: bug#1145058, thanks to Adrian Bunk
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