[INFO] fetching crate rsmnl 0.1.0...
[INFO] testing rsmnl-0.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate rsmnl 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rsmnl 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rsmnl 0.1.0
[INFO] tweaked toml for crates.io crate rsmnl 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsmnl 0.1.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rsmnl 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ab4b163640ba1966ca4ffea9c4506a0561115d0cf8d7edbad1bd43daa79ceb4
[INFO] running `Command { std: "docker" "start" "-a" "0ab4b163640ba1966ca4ffea9c4506a0561115d0cf8d7edbad1bd43daa79ceb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ab4b163640ba1966ca4ffea9c4506a0561115d0cf8d7edbad1bd43daa79ceb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab4b163640ba1966ca4ffea9c4506a0561115d0cf8d7edbad1bd43daa79ceb4", kill_on_drop: false }`
[INFO] [stdout] 0ab4b163640ba1966ca4ffea9c4506a0561115d0cf8d7edbad1bd43daa79ceb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b8eaf78a4bfdedfc6fada24fce863163f30a2d0e394644f8a05bdc9c28a6d01
[INFO] running `Command { std: "docker" "start" "-a" "6b8eaf78a4bfdedfc6fada24fce863163f30a2d0e394644f8a05bdc9c28a6d01", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling rsmnl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/msgvec.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn put_header(&mut self) -> &mut Header {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^
[INFO] [stdout]     |                       |             |    |
[INFO] [stdout]     |                       |             |    the same lifetime is hidden here
[INFO] [stdout]     |                       |             the same lifetime is elided here
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn put_header(&mut self) -> &mut Header<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/msgvec.rs:343:19
[INFO] [stdout]     |
[INFO] [stdout] 343 |     pub fn header(&self) -> Result<&Header> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^
[INFO] [stdout]     |                   |                ||
[INFO] [stdout]     |                   |                |the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 343 |     pub fn header(&self) -> Result<&Header<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/msgvec.rs:355:19
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn msghdr(&self) -> Result<&Msghdr> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^
[INFO] [stdout]     |                   |                ||
[INFO] [stdout]     |                   |                |the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn msghdr(&self) -> Result<&Msghdr<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "6b8eaf78a4bfdedfc6fada24fce863163f30a2d0e394644f8a05bdc9c28a6d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8eaf78a4bfdedfc6fada24fce863163f30a2d0e394644f8a05bdc9c28a6d01", kill_on_drop: false }`
[INFO] [stdout] 6b8eaf78a4bfdedfc6fada24fce863163f30a2d0e394644f8a05bdc9c28a6d01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c28785a7af59d16da72b560e1e83da28a2cebd8199dc54767c6c177e02d180b8
[INFO] running `Command { std: "docker" "start" "-a" "c28785a7af59d16da72b560e1e83da28a2cebd8199dc54767c6c177e02d180b8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/msgvec.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn put_header(&mut self) -> &mut Header {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^
[INFO] [stdout]     |                       |             |    |
[INFO] [stdout]     |                       |             |    the same lifetime is hidden here
[INFO] [stdout]     |                       |             the same lifetime is elided here
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn put_header(&mut self) -> &mut Header<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/msgvec.rs:343:19
[INFO] [stdout]     |
[INFO] [stdout] 343 |     pub fn header(&self) -> Result<&Header> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^
[INFO] [stdout]     |                   |                ||
[INFO] [stdout]     |                   |                |the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 343 |     pub fn header(&self) -> Result<&Header<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/msgvec.rs:355:19
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn msghdr(&self) -> Result<&Msghdr> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^
[INFO] [stdout]     |                   |                ||
[INFO] [stdout]     |                   |                |the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn msghdr(&self) -> Result<&Msghdr<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling rsmnl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/netfilter/nfct-daemon.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let mut nlh = nlv.put_header();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stdout]    --> examples/netfilter/nfct-create-batch.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             listener.into_raw_fd();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the raw file descriptor may leak resources
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let _ = listener.into_raw_fd();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/rtnl/rtnl-link-dump3.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/netfilter/nfct-dump.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut nlh = nlv.put_header();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/lib.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn bytes2nlmsg(bytes: &[u8]) -> &Msghdr {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^
[INFO] [stdout]    |                       |         ||
[INFO] [stdout]    |                       |         |the same lifetime is hidden here
[INFO] [stdout]    |                       |         the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn bytes2nlmsg(bytes: &[u8]) -> &Msghdr<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/rtnl/rtnl-addr-add.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/rtnl/rtnl-addr-add.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut ifm = nlv.put_extra_header::<linux::ifaddrmsg>().unwrap();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/msgvec.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn put_header(&mut self) -> &mut Header {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^
[INFO] [stdout]     |                       |             |    |
[INFO] [stdout]     |                       |             |    the same lifetime is hidden here
[INFO] [stdout]     |                       |             the same lifetime is elided here
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn put_header(&mut self) -> &mut Header<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/msgvec.rs:343:19
[INFO] [stdout]     |
[INFO] [stdout] 343 |     pub fn header(&self) -> Result<&Header> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^
[INFO] [stdout]     |                   |                ||
[INFO] [stdout]     |                   |                |the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 343 |     pub fn header(&self) -> Result<&Header<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/msgvec.rs:355:19
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn msghdr(&self) -> Result<&Msghdr> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^
[INFO] [stdout]     |                   |                ||
[INFO] [stdout]     |                   |                |the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn msghdr(&self) -> Result<&Msghdr<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/rtnl/rtnl-neigh-dump.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/rtnl/rtnl-neigh-dump.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut rt = nlv.put_extra_header::<linux::rtgenmsg>().unwrap();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/rtnl/rtnl-link-set.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/rtnl/rtnl-link-dump2.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/rtnl/rtnl-route-add.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/rtnl/rtnl-addr-dump.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/netfilter/nf-queue.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/netfilter/nf-queue.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/netfilter/nf-queue.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/netfilter/nf-queue.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let mut nlh = nlv.put_header();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/rtnl/rtnl-route-dump.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut nlh = nlv.put_header();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/rtnl/rtnl-link-dump.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/netfilter/nf-log.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/netfilter/nf-log.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/netfilter/nf-log.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut nlh = nlv.put_header();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/genl/genl-family-get.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut nlh = nlv.put_header();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `Command { std: "docker" "inspect" "c28785a7af59d16da72b560e1e83da28a2cebd8199dc54767c6c177e02d180b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28785a7af59d16da72b560e1e83da28a2cebd8199dc54767c6c177e02d180b8", kill_on_drop: false }`
[INFO] [stdout] c28785a7af59d16da72b560e1e83da28a2cebd8199dc54767c6c177e02d180b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16ea169936a7030f6b593f8ded0b6c4fc20bf50cf62abb95a0b648dffc6f79cb
[INFO] running `Command { std: "docker" "start" "-a" "16ea169936a7030f6b593f8ded0b6c4fc20bf50cf62abb95a0b648dffc6f79cb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/msgvec.rs:113:23
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn put_header(&mut self) -> &mut Header {
[INFO] [stderr]     |                       ^^^^^^^^^     ^^^^^^^^^^^
[INFO] [stderr]     |                       |             |    |
[INFO] [stderr]     |                       |             |    the same lifetime is hidden here
[INFO] [stderr]     |                       |             the same lifetime is elided here
[INFO] [stderr]     |                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn put_header(&mut self) -> &mut Header<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/msgvec.rs:343:19
[INFO] [stderr]     |
[INFO] [stderr] 343 |     pub fn header(&self) -> Result<&Header> {
[INFO] [stderr]     |                   ^^^^^            ^^^^^^^
[INFO] [stderr]     |                   |                ||
[INFO] [stderr]     |                   |                |the same lifetime is hidden here
[INFO] [stderr]     |                   |                the same lifetime is elided here
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 343 |     pub fn header(&self) -> Result<&Header<'_>> {
[INFO] [stderr]     |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/msgvec.rs:355:19
[INFO] [stderr]     |
[INFO] [stderr] 355 |     pub fn msghdr(&self) -> Result<&Msghdr> {
[INFO] [stderr]     |                   ^^^^^            ^^^^^^^
[INFO] [stderr]     |                   |                ||
[INFO] [stderr]     |                   |                |the same lifetime is hidden here
[INFO] [stderr]     |                   |                the same lifetime is elided here
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 355 |     pub fn msghdr(&self) -> Result<&Msghdr<'_>> {
[INFO] [stderr]     |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rsmnl` (lib) generated 3 warnings (run `cargo fix --lib -p rsmnl` to apply 3 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/rtnl/rtnl-neigh-dump.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/rtnl/rtnl-neigh-dump.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let mut rt = nlv.put_extra_header::<linux::rtgenmsg>().unwrap();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stderr]    --> examples/netfilter/nfct-create-batch.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |             listener.into_raw_fd();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: losing the raw file descriptor may leak resources
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 142 |             let _ = listener.into_raw_fd();
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/rtnl/rtnl-addr-dump.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/rtnl/rtnl-addr-add.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/rtnl/rtnl-addr-add.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut ifm = nlv.put_extra_header::<linux::ifaddrmsg>().unwrap();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/rtnl/rtnl-link-dump2.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> tests/lib.rs:51:23
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn bytes2nlmsg(bytes: &[u8]) -> &Msghdr {
[INFO] [stderr]    |                       ^^^^^     ^^^^^^^
[INFO] [stderr]    |                       |         ||
[INFO] [stderr]    |                       |         |the same lifetime is hidden here
[INFO] [stderr]    |                       |         the same lifetime is elided here
[INFO] [stderr]    |                       the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn bytes2nlmsg(bytes: &[u8]) -> &Msghdr<'_> {
[INFO] [stderr]    |                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/rtnl/rtnl-route-dump.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |     let mut nlh = nlv.put_header();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rsmnl` (example "rtnl-neigh-dump") generated 2 warnings (run `cargo fix --example "rtnl-neigh-dump" -p rsmnl` to apply 2 suggestions)
[INFO] [stderr] warning: `rsmnl` (example "nfct-create-batch") generated 1 warning
[INFO] [stderr] warning: `rsmnl` (example "rtnl-addr-dump") generated 1 warning (run `cargo fix --example "rtnl-addr-dump" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr] warning: `rsmnl` (example "rtnl-addr-add") generated 2 warnings (run `cargo fix --example "rtnl-addr-add" -p rsmnl` to apply 2 suggestions)
[INFO] [stderr] warning: `rsmnl` (example "rtnl-link-dump2") generated 1 warning (run `cargo fix --example "rtnl-link-dump2" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr] warning: `rsmnl` (test "lib") generated 1 warning (run `cargo fix --test "lib" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr] warning: `rsmnl` (example "rtnl-route-dump") generated 1 warning (run `cargo fix --example "rtnl-route-dump" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/netfilter/nfct-dump.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |     let mut nlh = nlv.put_header();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/netfilter/nfct-daemon.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let mut nlh = nlv.put_header();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/netfilter/nf-queue.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/netfilter/nf-queue.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/netfilter/nf-queue.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/netfilter/nf-queue.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let mut nlh = nlv.put_header();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/netfilter/nf-log.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/netfilter/nf-log.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/netfilter/nf-log.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/genl/genl-family-get.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut nlh = nlv.put_header();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/rtnl/rtnl-route-add.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/rtnl/rtnl-link-dump.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/rtnl/rtnl-link-set.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/rtnl/rtnl-link-dump3.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut nlh = nlv.put_header();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rsmnl` (example "nfct-dump") generated 1 warning (run `cargo fix --example "nfct-dump" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr] warning: `rsmnl` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `rsmnl` (example "nfct-daemon") generated 1 warning (run `cargo fix --example "nfct-daemon" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr] warning: `rsmnl` (example "nf-queue") generated 4 warnings (run `cargo fix --example "nf-queue" -p rsmnl` to apply 4 suggestions)
[INFO] [stderr] warning: `rsmnl` (example "nf-log") generated 3 warnings (run `cargo fix --example "nf-log" -p rsmnl` to apply 3 suggestions)
[INFO] [stderr] warning: `rsmnl` (example "genl-family-get") generated 1 warning (run `cargo fix --example "genl-family-get" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr] warning: `rsmnl` (example "rtnl-route-add") generated 1 warning (run `cargo fix --example "rtnl-route-add" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr] warning: `rsmnl` (example "rtnl-link-dump") generated 1 warning (run `cargo fix --example "rtnl-link-dump" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr] warning: `rsmnl` (example "rtnl-link-set") generated 1 warning (run `cargo fix --example "rtnl-link-set" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr] warning: `rsmnl` (example "rtnl-link-dump3") generated 1 warning (run `cargo fix --example "rtnl-link-dump3" -p rsmnl` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rsmnl-501fec88099098e2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-41402d083e792c24)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'nlmsg_put_attr' (37) panicked at src/attr.rs:78:9:
[INFO] [stderr] misaligned pointer dereference: address must be a multiple of 0x8 but is 0x7f268c000d24
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x570991828082 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x570991828082 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x570991828082 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x570991828082 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x57099183810a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x57099183810a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stderr]    6:     0x5709917f6e86 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5709917f6e86 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x570991807509 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x570991807509 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x570991807369 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x5709917c799e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   12:     0x5709917c799e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x570991807782 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   14:     0x570991807782 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x5709918075c8 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stderr]   16:     0x570991802b59 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x5709917ebb9d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x57099183f2fd - core::panicking::panic_nounwind_fmt::runtime::hdd333623f60f3530
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x57099183f2fd - core::panicking::panic_nounwind_fmt::ha2bdc0d440fd6df8
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/intrinsics/mod.rs:2432:9
[INFO] [stderr]   20:     0x57099183f489 - core::panicking::panic_misaligned_pointer_dereference::he2df54a9faa76b2d
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:284:5
[INFO] [stderr]   21:     0x5709917a5f25 - rsmnl::attr::Attr::payload_raw_mut::h5da9f26380b557eb
[INFO] [stderr]                                at /opt/rustwide/workdir/src/attr.rs:78:9
[INFO] [stderr]   22:     0x5709917a7121 - rsmnl::msgvec::MsgVec::put::hc9c78b9c3e76f7b1
[INFO] [stderr]                                at /opt/rustwide/workdir/src/msgvec.rs:211:33
[INFO] [stderr]   23:     0x57099179dfd2 - lib::nlmsg_put_attr::h0294df3f5d3c3d58
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/lib.rs:255:17
[INFO] [stderr]   24:     0x57099179e487 - lib::nlmsg_put_attr::{{closure}}::h2de22da9af096747
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/lib.rs:251:20
[INFO] [stderr]   25:     0x5709917a2de6 - core::ops::function::FnOnce::call_once::h10548d836bfc2416
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   26:     0x5709917c779b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   27:     0x5709917c779b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stderr]   28:     0x5709917db16a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stderr]   29:     0x5709917db16a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   30:     0x5709917db16a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]   31:     0x5709917db16a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]   32:     0x5709917db16a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]   33:     0x5709917db16a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stderr]   34:     0x5709917db16a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stderr]   35:     0x5709917b55c4 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stderr]   36:     0x5709917b55c4 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   37:     0x5709917b8e82 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr]   38:     0x5709917b8e82 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   39:     0x5709917b8e82 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]   40:     0x5709917b8e82 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]   41:     0x5709917b8e82 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]   42:     0x5709917b8e82 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]   43:     0x5709917b8e82 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   44:     0x5709917fddef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stderr]   45:     0x5709917fddef - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stderr]   46:     0x7f26a7861aa4 - <unknown>
[INFO] [stderr]   47:     0x7f26a78eea64 - clone
[INFO] [stderr]   48:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--test lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/lib-41402d083e792c24` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "16ea169936a7030f6b593f8ded0b6c4fc20bf50cf62abb95a0b648dffc6f79cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ea169936a7030f6b593f8ded0b6c4fc20bf50cf62abb95a0b648dffc6f79cb", kill_on_drop: false }`
[INFO] [stdout] 16ea169936a7030f6b593f8ded0b6c4fc20bf50cf62abb95a0b648dffc6f79cb
