[INFO] cloning repository https://github.com/ayourtch/vppbench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayourtch/vppbench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayourtch%2Fvppbench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayourtch%2Fvppbench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 096436d63877552f6d1ebf4a25048c4b8542959f
[INFO] checking ayourtch/vppbench against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayourtch%2Fvppbench" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ayourtch/vppbench
[INFO] finished tweaking git repo https://github.com/ayourtch/vppbench
[INFO] tweaked toml for git repo https://github.com/ayourtch/vppbench written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ayourtch/vppbench on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ayourtch/vppbench 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 840e593c7dd6387e1e6af18cd9b1ba7091e36e67297f6f322781eed62b912784
[INFO] running `Command { std: "docker" "start" "-a" "840e593c7dd6387e1e6af18cd9b1ba7091e36e67297f6f322781eed62b912784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "840e593c7dd6387e1e6af18cd9b1ba7091e36e67297f6f322781eed62b912784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840e593c7dd6387e1e6af18cd9b1ba7091e36e67297f6f322781eed62b912784", kill_on_drop: false }`
[INFO] [stdout] 840e593c7dd6387e1e6af18cd9b1ba7091e36e67297f6f322781eed62b912784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c520ec923c36dc487b712223700fba22198b477d4a56a2e9ed307fe53dde0518
[INFO] running `Command { std: "docker" "start" "-a" "c520ec923c36dc487b712223700fba22198b477d4a56a2e9ed307fe53dde0518", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling linkme-impl v0.3.32
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking recursive_array v0.1.3
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking inventory v0.3.20
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling thiserror-impl-no-std v2.0.2
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking thiserror-no-std v2.0.2
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling binary_serde_macros v1.0.24
[INFO] [stderr]    Compiling typetag-impl v0.2.20
[INFO] [stderr]    Compiling oside-derive v0.1.0 (https://github.com/ayourtch/oside.git#0dfbd30a)
[INFO] [stderr]     Checking binary_serde v1.0.24
[INFO] [stderr]     Checking linkme v0.3.32
[INFO] [stderr]     Checking memif v0.1.0 (/opt/rustwide/workdir/memif)
[INFO] [stdout] warning: unused import: `binary_serde_bitfield`
[INFO] [stdout]  --> memif/src/lib.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use binary_serde::{BinarySerde, Endianness, binary_serde_bitfield};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `UnixDatagram` and `UnixListener`
[INFO] [stdout]   --> memif/src/lib.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::os::unix::net::{UnixDatagram, UnixListener};
[INFO] [stdout]    |                          ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]   --> memif/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use anyhow::Context;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]   --> memif/src/lib.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> memif/src/lib.rs:761:5
[INFO] [stdout]     |
[INFO] [stdout] 761 |     'outer: while count > 0 && ns > 0 {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `nix::sys::memfd::MemFdCreateFlag`: Use `MFdFlags instead`
[INFO] [stdout]    --> memif/src/lib.rs:276:52
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let mfd = memfd::memfd_create(name, memfd::MemFdCreateFlag::MFD_ALLOW_SEALING)?;
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::eventfd::eventfd`: Use EventFd::from_value_and_flags() instead
[INFO] [stdout]    --> memif/src/lib.rs:499:41
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let int_fd = nix::sys::eventfd::eventfd(0, nix::sys::eventfd::EfdFlags::EFD_NONBLOCK)?;
[INFO] [stdout]     |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `binary_serde_bitfield`
[INFO] [stdout]  --> memif/src/lib.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use binary_serde::{BinarySerde, Endianness, binary_serde_bitfield};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `UnixDatagram` and `UnixListener`
[INFO] [stdout]   --> memif/src/lib.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::os::unix::net::{UnixDatagram, UnixListener};
[INFO] [stdout]    |                          ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]   --> memif/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use anyhow::Context;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]   --> memif/src/lib.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> memif/src/lib.rs:761:5
[INFO] [stdout]     |
[INFO] [stdout] 761 |     'outer: while count > 0 && ns > 0 {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `nix::sys::memfd::MemFdCreateFlag`: Use `MFdFlags instead`
[INFO] [stdout]    --> memif/src/lib.rs:276:52
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let mfd = memfd::memfd_create(name, memfd::MemFdCreateFlag::MFD_ALLOW_SEALING)?;
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::eventfd::eventfd`: Use EventFd::from_value_and_flags() instead
[INFO] [stdout]    --> memif/src/lib.rs:499:41
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let int_fd = nix::sys::eventfd::eventfd(0, nix::sys::eventfd::EfdFlags::EFD_NONBLOCK)?;
[INFO] [stdout]     |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> memif/src/lib.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let name = CString::new("memif region 0")?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> memif/src/lib.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         x => unimplemented!(),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> memif/src/lib.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         Ack => {
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 323 |         Hello(x) => {
[INFO] [stdout]     |         -------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 329 |         Init(x) => {
[INFO] [stdout]     |         ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 335 |         AddRegion(x) => {
[INFO] [stdout]     |         ------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 366 |         x => unimplemented!(),
[INFO] [stdout]     |         ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> memif/src/lib.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         x => unimplemented!(),
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> memif/src/lib.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         x => return None,
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> memif/src/lib.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         MemifMsgType::None => return None,
[INFO] [stdout]     |         ------------------ matches some of the same values
[INFO] [stdout] 379 |         MemifMsgType::Hello => MemifMsg::Hello(
[INFO] [stdout]     |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 382 |         MemifMsgType::Init => MemifMsg::Init(
[INFO] [stdout]     |         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 385 |         MemifMsgType::Ack => MemifMsg::Ack,
[INFO] [stdout]     |         ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 401 |         x => return None,
[INFO] [stdout]     |         ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> memif/src/lib.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         x => return None,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ring_count`
[INFO] [stdout]    --> memif/src/lib.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |     let ring_count = if typ == MemifRingType::S2m {
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ring_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `slot` is never read
[INFO] [stdout]    --> memif/src/lib.rs:594:20
[INFO] [stdout]     |
[INFO] [stdout] 594 |     let mut slot = 0;
[INFO] [stdout]     |                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> memif/src/lib.rs:707:9
[INFO] [stdout]     |
[INFO] [stdout] 707 |         x => {}
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> memif/src/lib.rs:763:30
[INFO] [stdout]     |
[INFO] [stdout] 763 |         let saved_next_buf = unsafe { mq.next_buf.get() };
[INFO] [stdout]     |                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> memif/src/lib.rs:778:33
[INFO] [stdout]     |
[INFO] [stdout] 778 |             let b0_desc_index = unsafe { mq.next_buf.get() } as u16;
[INFO] [stdout]     |                                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> memif/src/lib.rs:810:47
[INFO] [stdout]     |
[INFO] [stdout] 810 |                         let next_desc_index = unsafe { mq.next_buf.get() };
[INFO] [stdout]     |                                               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `saved_out_len`
[INFO] [stdout]    --> memif/src/lib.rs:762:13
[INFO] [stdout]     |
[INFO] [stdout] 762 |         let saved_out_len = out.len();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_saved_out_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> memif/src/lib.rs:852:23
[INFO] [stdout]     |
[INFO] [stdout] 852 |     let mq_next_buf = unsafe { mq.next_buf.get() };
[INFO] [stdout]     |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> memif/src/lib.rs:868:9
[INFO] [stdout]     |
[INFO] [stdout] 868 |         unsafe { mq.next_buf.set(mq_next_buf + 1) };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> memif/src/lib.rs:963:9
[INFO] [stdout]     |
[INFO] [stdout] 963 |     let mut last_slot = if conn.is_master {
[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: type `MemifMsgHello` is more private than the item `MemifMsg::Hello::0`
[INFO] [stdout]    --> memif/src/lib.rs:188:11
[INFO] [stdout]     |
[INFO] [stdout] 188 |     Hello(MemifMsgHello),
[INFO] [stdout]     |           ^^^^^^^^^^^^^ field `MemifMsg::Hello::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgHello` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:84:1
[INFO] [stdout]     |
[INFO] [stdout]  84 | struct MemifMsgHello {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgInit` is more private than the item `MemifMsg::Init::0`
[INFO] [stdout]    --> memif/src/lib.rs:189:10
[INFO] [stdout]     |
[INFO] [stdout] 189 |     Init(MemifMsgInit),
[INFO] [stdout]     |          ^^^^^^^^^^^^ field `MemifMsg::Init::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgInit` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:101:1
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct MemifMsgInit {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgAddRegion` is more private than the item `MemifMsg::AddRegion::0`
[INFO] [stdout]    --> memif/src/lib.rs:191:15
[INFO] [stdout]     |
[INFO] [stdout] 191 |     AddRegion(MemifMsgAddRegion),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^ field `MemifMsg::AddRegion::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgAddRegion` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct MemifMsgAddRegion {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgAddRing` is more private than the item `MemifMsg::AddRing::0`
[INFO] [stdout]    --> memif/src/lib.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |     AddRing(MemifMsgAddRing),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ field `MemifMsg::AddRing::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgAddRing` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:129:1
[INFO] [stdout]     |
[INFO] [stdout] 129 | struct MemifMsgAddRing {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgConnect` is more private than the item `MemifMsg::Connect::0`
[INFO] [stdout]    --> memif/src/lib.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |     Connect(MemifMsgConnect),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ field `MemifMsg::Connect::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgConnect` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | struct MemifMsgConnect {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgConnected` is more private than the item `MemifMsg::Connected::0`
[INFO] [stdout]    --> memif/src/lib.rs:194:15
[INFO] [stdout]     |
[INFO] [stdout] 194 |     Connected(MemifMsgConnected),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^ field `MemifMsg::Connected::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgConnected` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:156:1
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct MemifMsgConnected {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgDisconnect` is more private than the item `MemifMsg::Disconnect::0`
[INFO] [stdout]    --> memif/src/lib.rs:195:16
[INFO] [stdout]     |
[INFO] [stdout] 195 |     Disconnect(MemifMsgDisconnect),
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^ field `MemifMsg::Disconnect::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgDisconnect` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | struct MemifMsgDisconnect {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMIF_CACHELINE_SIZE` is never used
[INFO] [stdout]   --> memif/src/lib.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MEMIF_CACHELINE_SIZE: usize = 64;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMIF_VERSION` is never used
[INFO] [stdout]   --> memif/src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MEMIF_VERSION: u16 = (MEMIF_VERSION_MAJOR << 8) | MEMIF_VERSION_MINOR;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `int_count` is never read
[INFO] [stdout]    --> memif/src/lib.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | struct MemifQueue {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 243 |     int_count: u64,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `desc_index` and `flags` are never read
[INFO] [stdout]    --> memif/src/lib.rs:716:5
[INFO] [stdout]     |
[INFO] [stdout] 715 | pub struct MemifBuffer<'a> {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 716 |     desc_index: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 719 |     flags: u8,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MemifBuffer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `memif_buffer_enq_tx` is never used
[INFO] [stdout]    --> memif/src/lib.rs:838:4
[INFO] [stdout]     |
[INFO] [stdout] 838 | fn memif_buffer_enq_tx(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> memif/src/lib.rs:550:5
[INFO] [stdout]     |
[INFO] [stdout] 550 |     memif_init_queues(conn, MemifRingType::S2m);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 550 |     let _ = memif_init_queues(conn, MemifRingType::S2m);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> memif/src/lib.rs:551:5
[INFO] [stdout]     |
[INFO] [stdout] 551 |     memif_init_queues(conn, MemifRingType::M2s);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 551 |     let _ = memif_init_queues(conn, MemifRingType::M2s);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]    --> memif/src/lib.rs:625:26
[INFO] [stdout]     |
[INFO] [stdout] 625 |         (*ring).head.set(slot.try_into()?);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> memif/src/lib.rs:625:26
[INFO] [stdout]     |
[INFO] [stdout] 625 |         (*ring).head.set(slot.try_into()?);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memif` (lib test) due to 2 previous errors; 36 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> memif/src/lib.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let name = CString::new("memif region 0")?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> memif/src/lib.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         x => unimplemented!(),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> memif/src/lib.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         Ack => {
[INFO] [stdout]     |         --- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 323 |         Hello(x) => {
[INFO] [stdout]     |         -------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 329 |         Init(x) => {
[INFO] [stdout]     |         ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 335 |         AddRegion(x) => {
[INFO] [stdout]     |         ------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 366 |         x => unimplemented!(),
[INFO] [stdout]     |         ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> memif/src/lib.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         x => unimplemented!(),
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> memif/src/lib.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         x => return None,
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> memif/src/lib.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         MemifMsgType::None => return None,
[INFO] [stdout]     |         ------------------ matches some of the same values
[INFO] [stdout] 379 |         MemifMsgType::Hello => MemifMsg::Hello(
[INFO] [stdout]     |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 382 |         MemifMsgType::Init => MemifMsg::Init(
[INFO] [stdout]     |         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 385 |         MemifMsgType::Ack => MemifMsg::Ack,
[INFO] [stdout]     |         ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 401 |         x => return None,
[INFO] [stdout]     |         ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> memif/src/lib.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         x => return None,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ring_count`
[INFO] [stdout]    --> memif/src/lib.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |     let ring_count = if typ == MemifRingType::S2m {
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ring_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `slot` is never read
[INFO] [stdout]    --> memif/src/lib.rs:594:20
[INFO] [stdout]     |
[INFO] [stdout] 594 |     let mut slot = 0;
[INFO] [stdout]     |                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> memif/src/lib.rs:707:9
[INFO] [stdout]     |
[INFO] [stdout] 707 |         x => {}
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> memif/src/lib.rs:763:30
[INFO] [stdout]     |
[INFO] [stdout] 763 |         let saved_next_buf = unsafe { mq.next_buf.get() };
[INFO] [stdout]     |                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> memif/src/lib.rs:778:33
[INFO] [stdout]     |
[INFO] [stdout] 778 |             let b0_desc_index = unsafe { mq.next_buf.get() } as u16;
[INFO] [stdout]     |                                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> memif/src/lib.rs:810:47
[INFO] [stdout]     |
[INFO] [stdout] 810 |                         let next_desc_index = unsafe { mq.next_buf.get() };
[INFO] [stdout]     |                                               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `saved_out_len`
[INFO] [stdout]    --> memif/src/lib.rs:762:13
[INFO] [stdout]     |
[INFO] [stdout] 762 |         let saved_out_len = out.len();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_saved_out_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> memif/src/lib.rs:852:23
[INFO] [stdout]     |
[INFO] [stdout] 852 |     let mq_next_buf = unsafe { mq.next_buf.get() };
[INFO] [stdout]     |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> memif/src/lib.rs:868:9
[INFO] [stdout]     |
[INFO] [stdout] 868 |         unsafe { mq.next_buf.set(mq_next_buf + 1) };
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> memif/src/lib.rs:963:9
[INFO] [stdout]     |
[INFO] [stdout] 963 |     let mut last_slot = if conn.is_master {
[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: type `MemifMsgHello` is more private than the item `MemifMsg::Hello::0`
[INFO] [stdout]    --> memif/src/lib.rs:188:11
[INFO] [stdout]     |
[INFO] [stdout] 188 |     Hello(MemifMsgHello),
[INFO] [stdout]     |           ^^^^^^^^^^^^^ field `MemifMsg::Hello::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgHello` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:84:1
[INFO] [stdout]     |
[INFO] [stdout]  84 | struct MemifMsgHello {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgInit` is more private than the item `MemifMsg::Init::0`
[INFO] [stdout]    --> memif/src/lib.rs:189:10
[INFO] [stdout]     |
[INFO] [stdout] 189 |     Init(MemifMsgInit),
[INFO] [stdout]     |          ^^^^^^^^^^^^ field `MemifMsg::Init::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgInit` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:101:1
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct MemifMsgInit {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgAddRegion` is more private than the item `MemifMsg::AddRegion::0`
[INFO] [stdout]    --> memif/src/lib.rs:191:15
[INFO] [stdout]     |
[INFO] [stdout] 191 |     AddRegion(MemifMsgAddRegion),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^ field `MemifMsg::AddRegion::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgAddRegion` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct MemifMsgAddRegion {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgAddRing` is more private than the item `MemifMsg::AddRing::0`
[INFO] [stdout]    --> memif/src/lib.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |     AddRing(MemifMsgAddRing),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ field `MemifMsg::AddRing::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgAddRing` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:129:1
[INFO] [stdout]     |
[INFO] [stdout] 129 | struct MemifMsgAddRing {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgConnect` is more private than the item `MemifMsg::Connect::0`
[INFO] [stdout]    --> memif/src/lib.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |     Connect(MemifMsgConnect),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ field `MemifMsg::Connect::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgConnect` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | struct MemifMsgConnect {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgConnected` is more private than the item `MemifMsg::Connected::0`
[INFO] [stdout]    --> memif/src/lib.rs:194:15
[INFO] [stdout]     |
[INFO] [stdout] 194 |     Connected(MemifMsgConnected),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^ field `MemifMsg::Connected::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgConnected` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:156:1
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct MemifMsgConnected {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `MemifMsgDisconnect` is more private than the item `MemifMsg::Disconnect::0`
[INFO] [stdout]    --> memif/src/lib.rs:195:16
[INFO] [stdout]     |
[INFO] [stdout] 195 |     Disconnect(MemifMsgDisconnect),
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^ field `MemifMsg::Disconnect::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `MemifMsgDisconnect` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> memif/src/lib.rs:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | struct MemifMsgDisconnect {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMIF_CACHELINE_SIZE` is never used
[INFO] [stdout]   --> memif/src/lib.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MEMIF_CACHELINE_SIZE: usize = 64;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMIF_VERSION` is never used
[INFO] [stdout]   --> memif/src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MEMIF_VERSION: u16 = (MEMIF_VERSION_MAJOR << 8) | MEMIF_VERSION_MINOR;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `int_count` is never read
[INFO] [stdout]    --> memif/src/lib.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | struct MemifQueue {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 243 |     int_count: u64,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `desc_index` and `flags` are never read
[INFO] [stdout]    --> memif/src/lib.rs:716:5
[INFO] [stdout]     |
[INFO] [stdout] 715 | pub struct MemifBuffer<'a> {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 716 |     desc_index: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 719 |     flags: u8,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MemifBuffer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `memif_buffer_enq_tx` is never used
[INFO] [stdout]    --> memif/src/lib.rs:838:4
[INFO] [stdout]     |
[INFO] [stdout] 838 | fn memif_buffer_enq_tx(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> memif/src/lib.rs:550:5
[INFO] [stdout]     |
[INFO] [stdout] 550 |     memif_init_queues(conn, MemifRingType::S2m);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 550 |     let _ = memif_init_queues(conn, MemifRingType::S2m);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> memif/src/lib.rs:551:5
[INFO] [stdout]     |
[INFO] [stdout] 551 |     memif_init_queues(conn, MemifRingType::M2s);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 551 |     let _ = memif_init_queues(conn, MemifRingType::M2s);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]    --> memif/src/lib.rs:625:26
[INFO] [stdout]     |
[INFO] [stdout] 625 |         (*ring).head.set(slot.try_into()?);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> memif/src/lib.rs:625:26
[INFO] [stdout]     |
[INFO] [stdout] 625 |         (*ring).head.set(slot.try_into()?);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memif` (lib) due to 2 previous errors; 36 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c520ec923c36dc487b712223700fba22198b477d4a56a2e9ed307fe53dde0518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c520ec923c36dc487b712223700fba22198b477d4a56a2e9ed307fe53dde0518", kill_on_drop: false }`
[INFO] [stdout] c520ec923c36dc487b712223700fba22198b477d4a56a2e9ed307fe53dde0518
