[package - 134i386-default][math/kalker] Failed for kalker-2.2.1_5 in build

From: <pkg-fallout_at_FreeBSD.org>
Date: Sat, 12 Apr 2025 17:30:52 UTC
You are receiving this mail as a port that you maintain
is failing to build on the FreeBSD package build server.
Please investigate the failure and submit a PR to fix
build.

Maintainer:     ashish@FreeBSD.org
Log URL:        https://pkg-status.freebsd.org/beefy15/data/134i386-default/a0b63985d6be/logs/kalker-2.2.1_5.log
Build URL:      https://pkg-status.freebsd.org/beefy15/build.html?mastername=134i386-default&build=a0b63985d6be
Log:

=>> Building math/kalker
build started at Sat Apr 12 17:26:41 UTC 2025
port directory: /usr/ports/math/kalker
package name: kalker-2.2.1_5
building for: FreeBSD 134i386-default-job-07 13.4-RELEASE-p4 FreeBSD 13.4-RELEASE-p4 i386
maintained by: ashish@FreeBSD.org
Makefile datestamp: -rw-r--r--  1 root  wheel  608 Apr 10 01:01 /usr/ports/math/kalker/Makefile
Ports top last git commit: a0b63985d6
Ports top unclean checkout: no
Port dir last git commit: 2a5976aebe
Port dir unclean checkout: no
Poudriere version: poudriere-git-3.4.2-9-g05a460dc
Host OSVERSION: 1500035
Jail OSVERSION: 1304000
Job Id: 07

---Begin Environment---
SHELL=/bin/csh
BLOCKSIZE=K
MAIL=/var/mail/root
MM_CHARSET=UTF-8
LANG=C.UTF-8
OSVERSION=1304000
STATUS=1
HOME=/root
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin
MAKE_OBJDIR_CHECK_WRITABLE=0
UNAME_m=i386
UNAME_p=i386
UNAME_r=13.4-RELEASE-p4
LOCALBASE=/usr/local
UNAME_v=FreeBSD 13.4-RELEASE-p4
USER=root
POUDRIERE_NAME=poudriere-git
LIBEXECPREFIX=/usr/local/libexec/poudriere
POUDRIERE_VERSION=3.4.2-9-g05a460dc
MASTERMNT=/usr/local/poudriere/data/.m/134i386-default/ref
LC_COLLATE=C
POUDRIERE_BUILD_TYPE=bulk
PACKAGE_BUILDING=yes
SAVED_TERM=
OUTPUT_REDIRECTED_STDERR=4
OUTPUT_REDIRECTED=1
PWD=/usr/local/poudriere/data/.m/134i386-default/07/.p
OUTPUT_REDIRECTED_STDOUT=3
P_PORTS_FEATURES=FLAVORS SUBPACKAGES SELECTED_OPTIONS
MASTERNAME=134i386-default
SCRIPTPREFIX=/usr/local/share/poudriere
SCRIPTNAME=bulk.sh
OLDPWD=/usr/local/poudriere/data/.m/134i386-default/ref/.p/pool
POUDRIERE_PKGNAME=poudriere-git-3.4.2-9-g05a460dc
SCRIPTPATH=/usr/local/share/poudriere/bulk.sh
POUDRIEREPATH=/usr/local/bin/poudriere
---End Environment---

---Begin Poudriere Port Flags/Env---
PORT_FLAGS=
PKGENV=
FLAVOR=
MAKE_ARGS=
---End Poudriere Port Flags/Env---

---Begin OPTIONS List---
---End OPTIONS List---

--MAINTAINER--
ashish@FreeBSD.org
--End MAINTAINER--

--CONFIGURE_ARGS--

--End CONFIGURE_ARGS--

--CONFIGURE_ENV--
XDG_DATA_HOME=/wrkdirs/usr/ports/math/kalker/work  XDG_CONFIG_HOME=/wrkdirs/usr/ports/math/kalker/work  XDG_CACHE_HOME=/wrkdirs/usr/ports/math/kalker/work/.cache  HOME=/wrkdirs/usr/ports/math/kalker/work TMPDIR="/wrkdirs/usr/ports/math/kalker/work" PATH=/wrkdirs/usr/ports/math/kalker/work/.bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin PKG_CONFIG_LIBDIR=/wrkdirs/usr/ports/math/kalker/work/.pkgconfig:/usr/local/libdata/pkgconfig:/usr/local/share/pkgconfig:/usr/libdata/pkgconfig SHELL=/bin/sh CONFIG_SHELL=/bin/sh
--End CONFIGURE_ENV--

--MAKE_ENV--
XDG_DATA_HOME=/wrkdirs/usr/ports/math/kalker/work  XDG_CONFIG_HOME=/wrkdirs/usr/ports/math/kalker/work  XDG_CACHE_HOME=/wrkdirs/usr/ports/math/kalker/work/.cache  HOME=/wrkdirs/usr/ports/math/kalker/work TMPDIR="/wrkdirs/usr/ports/math/kalker/work" PATH=/wrkdirs/usr/ports/math/kalker/work/.bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin PKG_CONFIG_LIBDIR=/wrkdirs/usr/ports/math/kalker/work/.pkgconfig:/usr/local/libdata/pkgconfig:/usr/local/share/pkgconfig:/usr/libdata/pkgconfig MK_DEBUG_FILES=no MK_KERNEL_SYMBOLS=no SHELL=/bin/sh NO_LINT=YES PREFIX=/usr/local  LOCALBASE=/usr/local  CC="cc" CFLAGS="-O2 -pipe  -fstack-protector-strong -fno-strict-aliasing "  CPP="cpp" CPPFLAGS=""  LDFLAGS=" -fstack-protector-strong " LIBS=""  CXX="c++" CXXFLAGS="-O2 -pipe -fstack-protector-strong -fno-strict-aliasing  " BSD_INSTALL_PROGRAM="install  -s -m 555"  BSD_INSTALL_LIB="install  -s -m 0644"  BSD_INSTALL_SCRIPT="install  -m 555"  BSD_INSTALL_DATA="install  -m 
0644"  BSD_INSTALL_MAN="install  -m 444"
--End MAKE_ENV--

--PLIST_SUB--
OSREL=13.4 PREFIX=%D LOCALBASE=/usr/local  RESETPREFIX=/usr/local LIB32DIR=lib DOCSDIR="share/doc/kalker"  EXAMPLESDIR="share/examples/kalker"  DATADIR="share/kalker"  WWWDIR="www/kalker"  ETCDIR="etc/kalker"
--End PLIST_SUB--

--SUB_LIST--
PREFIX=/usr/local LOCALBASE=/usr/local  DATADIR=/usr/local/share/kalker DOCSDIR=/usr/local/share/doc/kalker EXAMPLESDIR=/usr/local/share/examples/kalker  WWWDIR=/usr/local/www/kalker ETCDIR=/usr/local/etc/kalker
--End SUB_LIST--

---Begin make.conf---
USE_PACKAGE_DEPENDS=yes
BATCH=yes
WRKDIRPREFIX=/wrkdirs
PORTSDIR=/usr/ports
PACKAGES=/packages
DISTDIR=/distfiles
PACKAGE_BUILDING=yes
PACKAGE_BUILDING_FLAVORS=yes
MACHINE=i386
MACHINE_ARCH=i386
ARCH=${MACHINE_ARCH}
####  ####
# XXX: We really need this but cannot use it while 'make checksum' does not
# try the next mirror on checksum failure.  It currently retries the same
# failed mirror and then fails rather then trying another.  It *does*
# try the next if the size is mismatched though.
#MASTER_SITE_FREEBSD=yes
# Build ALLOW_MAKE_JOBS_PACKAGES with 3 jobs
MAKE_JOBS_NUMBER=3
#### Misc Poudriere ####
.include "/etc/make.conf.ports_env"
GID=0
UID=0
---End make.conf---
--Resource limits--
cpu time               (seconds, -t)  unlimited
file size           (512-blocks, -f)  unlimited
data seg size           (kbytes, -d)  524288
stack size              (kbytes, -s)  65536
core file size      (512-blocks, -c)  unlimited
max memory size         (kbytes, -m)  unlimited
locked memory           (kbytes, -l)  unlimited
max user processes              (-u)  89999
open files                      (-n)  8192
virtual mem size        (kbytes, -v)  unlimited
swap limit              (kbytes, -w)  unlimited
socket buffer size       (bytes, -b)  unlimited
pseudo-terminals                (-p)  unlimited
kqueues                         (-k)  unlimited
umtx shared locks               (-o)  unlimited
--End resource limits--
=======================<phase: check-sanity   >============================
===== env: NO_DEPENDS=yes USER=root UID=0 GID=0
===>  License MIT accepted by the user
===========================================================================
=======================<phase: pkg-depends    >============================
===== env: USE_PACKAGE_DEPENDS_ONLY=1 USER=root UID=0 GID=0
===>   kalker-2.2.1_5 depends on file: /usr/local/sbin/pkg - not found
===>   Installing existing package /packages/All/pkg-2.1.0.pkg
[134i386-default-job-07] Installing pkg-2.1.0...
[134i386-default-job-07] Extracting pkg-2.1.0: .......... done
===>   kalker-2.2.1_5 depends on file: /usr/local/sbin/pkg - found
===>   Returning to build of kalker-2.2.1_5
===========================================================================
=======================<phase: fetch-depends  >============================
===== env: USE_PACKAGE_DEPENDS_ONLY=1 USER=root UID=0 GID=0
===========================================================================
=======================<phase: fetch          >============================
===== env: NO_DEPENDS=yes USER=root UID=0 GID=0
===>  License MIT accepted by the user
===> Fetching all distfiles required by kalker-2.2.1_5 for building
===========================================================================
=======================<phase: checksum       >============================
===== env: NO_DEPENDS=yes USER=root UID=0 GID=0
===>  License MIT accepted by the user
===> Fetching all distfiles required by kalker-2.2.1_5 for building
=> SHA256 Checksum OK for rust/crates/aho-corasick-0.7.20.crate.
=> SHA256 Checksum OK for rust/crates/ansi_term-0.12.1.crate.
=> SHA256 Checksum OK for rust/crates/atty-0.2.14.crate.
=> SHA256 Checksum OK for rust/crates/az-1.2.1.crate.
=> SHA256 Checksum OK for rust/crates/bitflags-1.3.2.crate.
=> SHA256 Checksum OK for rust/crates/bumpalo-3.12.0.crate.
=> SHA256 Checksum OK for rust/crates/cc-1.0.78.crate.
=> SHA256 Checksum OK for rust/crates/cfg-if-1.0.0.crate.
=> SHA256 Checksum OK for rust/crates/console_error_panic_hook-0.1.7.crate.
=> SHA256 Checksum OK for rust/crates/dirs-3.0.2.crate.
=> SHA256 Checksum OK for rust/crates/dirs-next-2.0.0.crate.
=> SHA256 Checksum OK for rust/crates/dirs-sys-0.3.7.crate.
=> SHA256 Checksum OK for rust/crates/dirs-sys-next-0.1.2.crate.
=> SHA256 Checksum OK for rust/crates/fs2-0.4.3.crate.
=> SHA256 Checksum OK for rust/crates/getrandom-0.2.8.crate.
=> SHA256 Checksum OK for rust/crates/gmp-mpfr-sys-1.6.2.crate.
=> SHA256 Checksum OK for rust/crates/hermit-abi-0.1.19.crate.
=> SHA256 Checksum OK for rust/crates/js-sys-0.3.60.crate.
=> SHA256 Checksum OK for rust/crates/lazy_static-1.4.0.crate.
=> SHA256 Checksum OK for rust/crates/libc-0.2.139.crate.
=> SHA256 Checksum OK for rust/crates/libm-0.2.8.crate.
=> SHA256 Checksum OK for rust/crates/log-0.4.17.crate.
=> SHA256 Checksum OK for rust/crates/memchr-2.5.0.crate.
=> SHA256 Checksum OK for rust/crates/nix-0.19.1.crate.
=> SHA256 Checksum OK for rust/crates/once_cell-1.17.0.crate.
=> SHA256 Checksum OK for rust/crates/proc-macro2-1.0.50.crate.
=> SHA256 Checksum OK for rust/crates/quote-1.0.23.crate.
=> SHA256 Checksum OK for rust/crates/redox_syscall-0.2.16.crate.
=> SHA256 Checksum OK for rust/crates/redox_users-0.4.3.crate.
=> SHA256 Checksum OK for rust/crates/regex-1.7.1.crate.
=> SHA256 Checksum OK for rust/crates/regex-syntax-0.6.28.crate.
=> SHA256 Checksum OK for rust/crates/rug-1.24.0.crate.
=> SHA256 Checksum OK for rust/crates/rustyline-7.1.0.crate.
=> SHA256 Checksum OK for rust/crates/scoped-tls-1.0.1.crate.
=> SHA256 Checksum OK for rust/crates/scopeguard-1.1.0.crate.
=> SHA256 Checksum OK for rust/crates/seahorse-1.1.2.crate.
=> SHA256 Checksum OK for rust/crates/serde-1.0.152.crate.
=> SHA256 Checksum OK for rust/crates/syn-1.0.107.crate.
=> SHA256 Checksum OK for rust/crates/test-case-1.2.3.crate.
=> SHA256 Checksum OK for rust/crates/thiserror-1.0.38.crate.
=> SHA256 Checksum OK for rust/crates/thiserror-impl-1.0.38.crate.
=> SHA256 Checksum OK for rust/crates/toml-0.5.11.crate.
=> SHA256 Checksum OK for rust/crates/unicode-ident-1.0.6.crate.
<snip>
    ::: /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/complex/arith.rs:472:1
     |
472  | / mul_op_commut_round! {
473  | |     Complex, (u32, u32), Round2, NEAREST2, Ordering2;
474  | |     add_mul;
475  | |     Add { add }
...    |
481  | |     AddMulIncomplete
482  | | }
     | |_- in this macro invocation
     |
     = note: this warning originates in the macro `mul_op_commut_round` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: elided lifetime has a name
    --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/macros.rs:2294:60
     |
2291 |           impl<'a> $Imp<$Mul<'a>> for &'a $Big {
     |                -- lifetime `'a` declared here
...
2294 |               fn $method(self, rhs: $Mul<'a>) -> $Incomplete<'_> {
     |                                                              ^^ this elided lifetime gets resolved as `'a`
     |
    ::: /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/complex/arith.rs:483:1
     |
483  | / mul_op_noncommut_round! {
484  | |     Complex, (u32, u32), Round2, NEAREST2, Ordering2;
485  | |     sub_mul, mul_sub;
486  | |     Sub { sub }
...    |
492  | |     SubMulIncomplete, SubMulFromIncomplete
493  | | }
     | |_- in this macro invocation
     |
     = note: this warning originates in the macro `mul_op_round` which comes from the expansion of the macro `mul_op_noncommut_round` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: elided lifetime has a name
    --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/macros.rs:2449:64
     |
2446 |           impl<'a> $Imp<&'a $Big> for $Mul<'a> {
     |                -- lifetime `'a` declared here
...
2449 |               fn $method(self, rhs: &'a $Big) -> $FromIncomplete<'_> {
     |                                                                  ^^ this elided lifetime gets resolved as `'a`
     |
    ::: /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/complex/arith.rs:483:1
     |
483  | / mul_op_noncommut_round! {
484  | |     Complex, (u32, u32), Round2, NEAREST2, Ordering2;
485  | |     sub_mul, mul_sub;
486  | |     Sub { sub }
...    |
492  | |     SubMulIncomplete, SubMulFromIncomplete
493  | | }
     | |_- in this macro invocation
     |
     = note: this warning originates in the macro `mul_op_noncommut_round` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: elided lifetime has a name
    --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/complex/big.rs:3618:68
     |
3618 |     pub fn agm_ref<'a>(&'a self, other: &'a Self) -> AgmIncomplete<'_> {
     |                    -- lifetime `'a` declared here                  ^^ this elided lifetime gets resolved as `'a`

warning: unexpected `cfg` condition name: `gmp_limb_bits_64`
    --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/rand.rs:1530:7
     |
1530 | #[cfg(gmp_limb_bits_64)]
     |       ^^^^^^^^^^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(gmp_limb_bits_64)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(gmp_limb_bits_64)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration

warning: unexpected `cfg` condition name: `gmp_limb_bits_32`
    --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/rand.rs:1562:7
     |
1562 | #[cfg(gmp_limb_bits_32)]
     |       ^^^^^^^^^^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(gmp_limb_bits_32)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(gmp_limb_bits_32)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration

warning: unexpected `cfg` condition name: `gmp_limb_bits_64`
    --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/rand.rs:1605:7
     |
1605 | #[cfg(gmp_limb_bits_64)]
     |       ^^^^^^^^^^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(gmp_limb_bits_64)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(gmp_limb_bits_64)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration

warning: unexpected `cfg` condition name: `gmp_limb_bits_32`
    --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/rand.rs:1637:7
     |
1637 | #[cfg(gmp_limb_bits_32)]
     |       ^^^^^^^^^^^^^^^^
     |
     = help: consider using a Cargo feature instead
     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
              [lints.rust]
              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(gmp_limb_bits_32)'] }
     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(gmp_limb_bits_32)");` to the top of the `build.rs`
     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration

warning: unexpected `cfg` condition name: `gmp_limb_bits_64`
   --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/lib.rs:591:11
    |
591 |     #[cfg(gmp_limb_bits_64)]
    |           ^^^^^^^^^^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(gmp_limb_bits_64)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(gmp_limb_bits_64)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration

warning: unexpected `cfg` condition name: `gmp_limb_bits_32`
   --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/lib.rs:593:11
    |
593 |     #[cfg(gmp_limb_bits_32)]
    |           ^^^^^^^^^^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(gmp_limb_bits_32)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(gmp_limb_bits_32)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration

warning: unexpected `cfg` condition name: `gmp_limb_bits_32`
   --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/lib.rs:590:25
    |
590 |     static_assert!(cfg!(gmp_limb_bits_32) ^ cfg!(gmp_limb_bits_64));
    |                         ^^^^^^^^^^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(gmp_limb_bits_32)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(gmp_limb_bits_32)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration

warning: unexpected `cfg` condition name: `gmp_limb_bits_64`
   --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/rug-1.24.0/src/lib.rs:590:50
    |
590 |     static_assert!(cfg!(gmp_limb_bits_32) ^ cfg!(gmp_limb_bits_64));
    |                                                  ^^^^^^^^^^^^^^^^
    |
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(gmp_limb_bits_64)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(gmp_limb_bits_64)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration

warning: dereferencing a null pointer
    --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/nix-0.19.1/src/macros.rs:215:14
     |
215  |             &(*(ptr::null() as *const $ty)).$field as *const _ as usize
     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
     |
    ::: /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/nix-0.19.1/src/sys/socket/mod.rs:1716:33
     |
1716 |             let pathlen = len - offset_of!(sockaddr_un, sun_path);
     |                                 --------------------------------- in this macro invocation
     |
     = note: `#[warn(deref_nullptr)]` on by default
     = note: this warning originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: dereferencing a null pointer
   --> /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/nix-0.19.1/src/macros.rs:215:14
    |
215 |             &(*(ptr::null() as *const $ty)).$field as *const _ as usize
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
    |
   ::: /wrkdirs/usr/ports/math/kalker/work/kalker-2.2.1/cargo-crates/nix-0.19.1/src/sys/socket/addr.rs:792:24
    |
792 |                 (len + offset_of!(libc::sockaddr_un, sun_path)) as libc::socklen_t
    |                        --------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: `nix` (lib) generated 26 warnings
warning: `rug` (lib) generated 183 warnings (22 duplicates)
*** Error code 101

Stop.
make: stopped in /usr/ports/math/kalker