From: kernel test robot <lkp@intel.com>
To: "Andreas Hindborg" <a.hindborg@kernel.org>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Dave Ertman" <david.m.ertman@intel.com>,
"Ira Weiny" <ira.weiny@intel.com>,
"Leon Romanovsky" <leon@kernel.org>,
"Paul Moore" <paul@paul-moore.com>,
"Serge Hallyn" <sergeh@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Alexander Viro" <viro@zeniv.linux.org.uk>,
"Christian Brauner" <brauner@kernel.org>,
"Jan Kara" <jack@suse.cz>,
"Igor Korotin" <igor.korotin.linux@gmail.com>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Lorenzo Stoakes" <lorenzo.stoakes@oracle.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
"Viresh Kumar" <vireshk@kernel.org>, "Nishanth Menon" <nm@ti.com>,
"Stephen Boyd" <sboyd@kernel.org>,
"Bjorn Helgaas" <helgaas@kernel.org>,
"Krzysztof Wilczyński" <kwilczynski@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v14 2/9] rust: rename `AlwaysRefCounted` to `RefCounted`.
Date: Wed, 4 Feb 2026 23:50:40 +0100 [thread overview]
Message-ID: <202602042300.Ec1WiMLA-lkp@intel.com> (raw)
In-Reply-To: <20260204-unique-ref-v14-2-17cb29ebacbb@kernel.org>
Hi Andreas,
kernel test robot noticed the following build errors:
[auto build test ERROR on 63804fed149a6750ffd28610c5c1c98cce6bd377]
url: https://github.com/intel-lab-lkp/linux/commits/Andreas-Hindborg/rust-types-Add-Ownable-Owned-types/20260204-200041
base: 63804fed149a6750ffd28610c5c1c98cce6bd377
patch link: https://lore.kernel.org/r/20260204-unique-ref-v14-2-17cb29ebacbb%40kernel.org
patch subject: [PATCH v14 2/9] rust: rename `AlwaysRefCounted` to `RefCounted`.
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260204/202602042300.Ec1WiMLA-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260204/202602042300.Ec1WiMLA-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602042300.Ec1WiMLA-lkp@intel.com/
All errors (new ones prefixed by >>):
>> error[E0407]: method `inc_ref` is not a member of trait `AlwaysRefCounted`
--> rust/kernel/usb.rs:378:5
|
378 | / fn inc_ref(&self) {
... |
383 | | }
| |_____^ not a member of trait `AlwaysRefCounted`
--
>> error[E0407]: method `dec_ref` is not a member of trait `AlwaysRefCounted`
--> rust/kernel/usb.rs:385:5
|
385 | / unsafe fn dec_ref(obj: NonNull<Self>) {
386 | | // SAFETY: The safety requirements guarantee that the refcount is non-zero.
387 | | unsafe { bindings::usb_put_intf(obj.cast().as_ptr()) }
388 | | }
| |_____^ not a member of trait `AlwaysRefCounted`
--
>> error[E0277]: the trait bound `usb::Interface: sync::aref::RefCounted` is not satisfied
--> rust/kernel/device.rs:700:17
|
700 | (&**dev).into()
| ^^^^^^^^^^^^^^^ the trait `sync::aref::RefCounted` is not implemented for `usb::Interface`
|
::: rust/kernel/usb.rs:352:1
|
352 | kernel::impl_device_context_into_aref!(Interface);
| ------------------------------------------------- in this macro invocation
|
= help: the following other types implement trait `sync::aref::RefCounted`:
auxiliary::Device
block::mq::request::Request<T>
cred::Credential
device::Device
device::property::FwNode
fs::file::File
fs::file::LocalFile
i2c::I2cAdapter
and 8 others
note: required by a bound in `sync::aref::ARef`
--> rust/kernel/sync/aref.rs:86:20
|
86 | pub struct ARef<T: RefCounted> {
| ^^^^^^^^^^ required by this bound in `ARef`
= note: this error originates in the macro `::kernel::__impl_device_context_into_aref` which comes from the expansion of the macro `kernel::impl_device_context_into_aref` (in Nightly builds, run with -Z macro-backtrace for more info)
--
>> error[E0277]: the trait bound `usb::Device: sync::aref::RefCounted` is not satisfied
--> rust/kernel/device.rs:700:17
|
700 | (&**dev).into()
| ^^^^^^^^^^^^^^^ the trait `sync::aref::RefCounted` is not implemented for `usb::Device`
|
::: rust/kernel/usb.rs:425:1
|
425 | kernel::impl_device_context_into_aref!(Device);
| ---------------------------------------------- in this macro invocation
|
= help: the following other types implement trait `sync::aref::RefCounted`:
auxiliary::Device
block::mq::request::Request<T>
cred::Credential
device::Device
device::property::FwNode
fs::file::File
fs::file::LocalFile
i2c::I2cAdapter
and 8 others
note: required by a bound in `sync::aref::ARef`
--> rust/kernel/sync/aref.rs:86:20
|
86 | pub struct ARef<T: RefCounted> {
| ^^^^^^^^^^ required by this bound in `ARef`
= note: this error originates in the macro `::kernel::__impl_device_context_into_aref` which comes from the expansion of the macro `kernel::impl_device_context_into_aref` (in Nightly builds, run with -Z macro-backtrace for more info)
--
>> error[E0407]: method `inc_ref` is not a member of trait `AlwaysRefCounted`
--> rust/kernel/usb.rs:429:5
|
429 | / fn inc_ref(&self) {
... |
434 | | }
| |_____^ not a member of trait `AlwaysRefCounted`
--
>> error[E0407]: method `dec_ref` is not a member of trait `AlwaysRefCounted`
--> rust/kernel/usb.rs:436:5
|
436 | / unsafe fn dec_ref(obj: NonNull<Self>) {
437 | | // SAFETY: The safety requirements guarantee that the refcount is non-zero.
438 | | unsafe { bindings::usb_put_dev(obj.cast().as_ptr()) }
439 | | }
| |_____^ not a member of trait `AlwaysRefCounted`
--
>> error[E0277]: the trait bound `usb::Interface: sync::aref::RefCounted` is not satisfied
--> rust/kernel/device.rs:698:56
|
698 | impl ::core::convert::From<&$device<$src>> for $crate::sync::aref::ARef<$device> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `sync::aref::RefCounted` is not implemented for `usb::Interface`
|
::: rust/kernel/usb.rs:352:1
|
352 | kernel::impl_device_context_into_aref!(Interface);
| ------------------------------------------------- in this macro invocation
|
= help: the following other types implement trait `sync::aref::RefCounted`:
auxiliary::Device
block::mq::request::Request<T>
cred::Credential
device::Device
device::property::FwNode
fs::file::File
fs::file::LocalFile
i2c::I2cAdapter
and 8 others
note: required by a bound in `sync::aref::ARef`
--> rust/kernel/sync/aref.rs:86:20
|
86 | pub struct ARef<T: RefCounted> {
| ^^^^^^^^^^ required by this bound in `ARef`
= note: this error originates in the macro `::kernel::__impl_device_context_into_aref` which comes from the expansion of the macro `kernel::impl_device_context_into_aref` (in Nightly builds, run with -Z macro-backtrace for more info)
--
>> error[E0277]: the trait bound `usb::Interface: sync::aref::RefCounted` is not satisfied
--> rust/kernel/usb.rs:377:34
|
377 | unsafe impl AlwaysRefCounted for Interface {
| ^^^^^^^^^ the trait `sync::aref::RefCounted` is not implemented for `usb::Interface`
|
= help: the following other types implement trait `sync::aref::RefCounted`:
auxiliary::Device
block::mq::request::Request<T>
cred::Credential
device::Device
device::property::FwNode
fs::file::File
fs::file::LocalFile
i2c::I2cAdapter
and 8 others
note: required by a bound in `sync::aref::AlwaysRefCounted`
--> rust/kernel/sync/aref.rs:74:36
|
74 | pub unsafe trait AlwaysRefCounted: RefCounted {}
| ^^^^^^^^^^ required by this bound in `AlwaysRefCounted`
--
>> error[E0277]: the trait bound `usb::Device: sync::aref::RefCounted` is not satisfied
--> rust/kernel/device.rs:698:56
|
698 | impl ::core::convert::From<&$device<$src>> for $crate::sync::aref::ARef<$device> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `sync::aref::RefCounted` is not implemented for `usb::Device`
|
::: rust/kernel/usb.rs:425:1
|
425 | kernel::impl_device_context_into_aref!(Device);
| ---------------------------------------------- in this macro invocation
|
= help: the following other types implement trait `sync::aref::RefCounted`:
auxiliary::Device
block::mq::request::Request<T>
cred::Credential
device::Device
device::property::FwNode
fs::file::File
fs::file::LocalFile
i2c::I2cAdapter
and 8 others
note: required by a bound in `sync::aref::ARef`
--> rust/kernel/sync/aref.rs:86:20
|
86 | pub struct ARef<T: RefCounted> {
| ^^^^^^^^^^ required by this bound in `ARef`
= note: this error originates in the macro `::kernel::__impl_device_context_into_aref` which comes from the expansion of the macro `kernel::impl_device_context_into_aref` (in Nightly builds, run with -Z macro-backtrace for more info)
--
>> error[E0277]: the trait bound `usb::Device: sync::aref::RefCounted` is not satisfied
--> rust/kernel/usb.rs:428:34
|
428 | unsafe impl AlwaysRefCounted for Device {
| ^^^^^^ the trait `sync::aref::RefCounted` is not implemented for `usb::Device`
|
= help: the following other types implement trait `sync::aref::RefCounted`:
auxiliary::Device
block::mq::request::Request<T>
cred::Credential
device::Device
device::property::FwNode
fs::file::File
fs::file::LocalFile
i2c::I2cAdapter
and 8 others
note: required by a bound in `sync::aref::AlwaysRefCounted`
--> rust/kernel/sync/aref.rs:74:36
|
74 | pub unsafe trait AlwaysRefCounted: RefCounted {}
| ^^^^^^^^^^ required by this bound in `AlwaysRefCounted`
--
>> error[E0277]: the trait bound `usb::Interface: sync::aref::RefCounted` is not satisfied
--> rust/kernel/device.rs:699:45
|
699 | fn from(dev: &$device<$src>) -> Self {
| ^^^^ the trait `sync::aref::RefCounted` is not implemented for `usb::Interface`
|
::: rust/kernel/usb.rs:352:1
|
352 | kernel::impl_device_context_into_aref!(Interface);
| ------------------------------------------------- in this macro invocation
|
= help: the following other types implement trait `sync::aref::RefCounted`:
auxiliary::Device
block::mq::request::Request<T>
cred::Credential
device::Device
device::property::FwNode
fs::file::File
fs::file::LocalFile
i2c::I2cAdapter
and 8 others
note: required by a bound in `sync::aref::ARef`
--> rust/kernel/sync/aref.rs:86:20
|
86 | pub struct ARef<T: RefCounted> {
| ^^^^^^^^^^ required by this bound in `ARef`
= note: this error originates in the macro `::kernel::__impl_device_context_into_aref` which comes from the expansion of the macro `kernel::impl_device_context_into_aref` (in Nightly builds, run with -Z macro-backtrace for more info)
..
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2026-02-04 22:51 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-04 11:56 [PATCH v14 0/9] rust: add `Ownable` trait and `Owned` type Andreas Hindborg
2026-02-04 11:56 ` [PATCH v14 1/9] rust: types: Add Ownable/Owned types Andreas Hindborg
2026-02-04 15:41 ` Danilo Krummrich
2026-02-04 16:06 ` Andreas Hindborg
2026-02-04 16:46 ` Danilo Krummrich
2026-02-04 16:55 ` Gary Guo
2026-02-04 16:56 ` Gary Guo
2026-02-05 13:29 ` Gary Guo
2026-02-04 11:56 ` [PATCH v14 2/9] rust: rename `AlwaysRefCounted` to `RefCounted` Andreas Hindborg
2026-02-04 15:08 ` Igor Korotin
2026-02-04 15:44 ` Danilo Krummrich
2026-02-04 22:50 ` kernel test robot [this message]
2026-02-06 16:57 ` Andreas Hindborg
2026-02-05 9:54 ` Viresh Kumar
2026-02-05 13:31 ` Gary Guo
2026-02-05 13:33 ` Gary Guo
2026-02-06 23:00 ` kernel test robot
2026-02-04 11:56 ` [PATCH v14 3/9] rust: Add missing SAFETY documentation for `ARef` example Andreas Hindborg
2026-02-04 11:56 ` [PATCH v14 4/9] rust: aref: update formatting of use statements Andreas Hindborg
2026-02-04 11:56 ` [PATCH v14 5/9] rust: Add `OwnableRefCounted` Andreas Hindborg
2026-02-04 11:56 ` [PATCH v14 6/9] rust: page: update formatting of `use` statements Andreas Hindborg
2026-02-04 11:56 ` [PATCH v14 7/9] rust: page: convert to `Ownable` Andreas Hindborg
2026-02-04 11:56 ` [PATCH v14 8/9] rust: implement `ForeignOwnable` for `Owned` Andreas Hindborg
2026-02-04 11:56 ` [PATCH v14 9/9] rust: page: add `from_raw()` Andreas Hindborg
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202602042300.Ec1WiMLA-lkp@intel.com \
--to=lkp@intel.com \
--cc=Liam.Howlett@oracle.com \
--cc=a.hindborg@kernel.org \
--cc=airlied@gmail.com \
--cc=aliceryhl@google.com \
--cc=bjorn3_gh@protonmail.com \
--cc=boqun.feng@gmail.com \
--cc=brauner@kernel.org \
--cc=dakr@kernel.org \
--cc=daniel.almeida@collabora.com \
--cc=david.m.ertman@intel.com \
--cc=gary@garyguo.net \
--cc=gregkh@linuxfoundation.org \
--cc=helgaas@kernel.org \
--cc=igor.korotin.linux@gmail.com \
--cc=ira.weiny@intel.com \
--cc=jack@suse.cz \
--cc=kwilczynski@kernel.org \
--cc=leon@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lorenzo.stoakes@oracle.com \
--cc=lossin@kernel.org \
--cc=nm@ti.com \
--cc=oe-kbuild-all@lists.linux.dev \
--cc=ojeda@kernel.org \
--cc=paul@paul-moore.com \
--cc=rafael@kernel.org \
--cc=sboyd@kernel.org \
--cc=sergeh@kernel.org \
--cc=simona@ffwll.ch \
--cc=tmgross@umich.edu \
--cc=vireshk@kernel.org \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox