[INFO] fetching crate tokio-vhost 0.1.1...
[INFO] testing tokio-vhost-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tokio-vhost 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tokio-vhost 0.1.1
[INFO] finished tweaking crates.io crate tokio-vhost 0.1.1
[INFO] tweaked toml for crates.io crate tokio-vhost 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-vhost 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tokio-vhost 0.1.1 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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1451e029802d6fce2f635982ea22ce244f2e31299d3049881fb901c0c2d317cc
[INFO] running `Command { std: "docker" "start" "-a" "1451e029802d6fce2f635982ea22ce244f2e31299d3049881fb901c0c2d317cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1451e029802d6fce2f635982ea22ce244f2e31299d3049881fb901c0c2d317cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1451e029802d6fce2f635982ea22ce244f2e31299d3049881fb901c0c2d317cc", kill_on_drop: false }`
[INFO] [stdout] 1451e029802d6fce2f635982ea22ce244f2e31299d3049881fb901c0c2d317cc
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72a381d8736a7f3ff4b817a717743cb8a18c45337d5a0d09cf32b345a6c3158c
[INFO] running `Command { std: "docker" "start" "-a" "72a381d8736a7f3ff4b817a717743cb8a18c45337d5a0d09cf32b345a6c3158c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling virtio-bindings v0.2.6
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling vmm-sys-util v0.14.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling vm-memory v0.16.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling virtio-queue v0.16.0
[INFO] [stderr]    Compiling tokio-eventfd v0.2.2
[INFO] [stderr]    Compiling tokio-vhost v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ready_tx` and `ready_rx` are never read
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct VirtQueue {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     ready_tx: watch::Sender<bool>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 61 |     ready_rx: watch::Receiver<bool>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cmsg_level` and `cmsg_type` are never read
[INFO] [stdout]   --> src/ancillary.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Unknown { cmsg_level: i32, cmsg_type: i32 },
[INFO] [stdout]    |     -------   ^^^^^^^^^^       ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AncillaryError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `capacity`, `is_empty`, `len`, `truncated`, and `clear` are never used
[INFO] [stdout]    --> src/ancillary.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 210 | impl<'a> SocketAncillary<'a> {
[INFO] [stdout]     | ---------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 220 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     pub fn truncated(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_F_NOTIFY_ON_EMPTY` is never used
[INFO] [stdout]   --> src/protocol.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const VIRTIO_F_NOTIFY_ON_EMPTY: u64 = 1 << 24;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_F_INDIRECT_DESC` is never used
[INFO] [stdout]   --> src/protocol.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const VIRTIO_F_INDIRECT_DESC: u64 = 1 << 28;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_F_EVENT_IDX` is never used
[INFO] [stdout]   --> src/protocol.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const VIRTIO_F_EVENT_IDX: u64 = 1 << 29;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SingleMemoryRegionDescription` is never constructed
[INFO] [stdout]   --> src/protocol.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct SingleMemoryRegionDescription {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_ref` and `into_inner` are never used
[INFO] [stdout]   --> src/read_with_fds.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl WithFds {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn get_ref(&self) -> &UnixStream {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn into_inner(self) -> UnixStream {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.30s
[INFO] running `Command { std: "docker" "inspect" "72a381d8736a7f3ff4b817a717743cb8a18c45337d5a0d09cf32b345a6c3158c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a381d8736a7f3ff4b817a717743cb8a18c45337d5a0d09cf32b345a6c3158c", kill_on_drop: false }`
[INFO] [stdout] 72a381d8736a7f3ff4b817a717743cb8a18c45337d5a0d09cf32b345a6c3158c
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efd30d5c141582224d9d088fece7f3fc99fc928fa6653a9db09b6b58700800ae
[INFO] running `Command { std: "docker" "start" "-a" "efd30d5c141582224d9d088fece7f3fc99fc928fa6653a9db09b6b58700800ae", kill_on_drop: false }`
[INFO] [stdout] warning: fields `ready_tx` and `ready_rx` are never read
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct VirtQueue {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     ready_tx: watch::Sender<bool>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 61 |     ready_rx: watch::Receiver<bool>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cmsg_level` and `cmsg_type` are never read
[INFO] [stdout]   --> src/ancillary.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Unknown { cmsg_level: i32, cmsg_type: i32 },
[INFO] [stdout]    |     -------   ^^^^^^^^^^       ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AncillaryError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `capacity`, `is_empty`, `len`, `truncated`, and `clear` are never used
[INFO] [stdout]    --> src/ancillary.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 210 | impl<'a> SocketAncillary<'a> {
[INFO] [stdout]     | ---------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 220 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     pub fn truncated(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_F_NOTIFY_ON_EMPTY` is never used
[INFO] [stdout]   --> src/protocol.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const VIRTIO_F_NOTIFY_ON_EMPTY: u64 = 1 << 24;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_F_INDIRECT_DESC` is never used
[INFO] [stdout]   --> src/protocol.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const VIRTIO_F_INDIRECT_DESC: u64 = 1 << 28;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_F_EVENT_IDX` is never used
[INFO] [stdout]   --> src/protocol.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const VIRTIO_F_EVENT_IDX: u64 = 1 << 29;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SingleMemoryRegionDescription` is never constructed
[INFO] [stdout]   --> src/protocol.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct SingleMemoryRegionDescription {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_ref` and `into_inner` are never used
[INFO] [stdout]   --> src/read_with_fds.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl WithFds {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn get_ref(&self) -> &UnixStream {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn into_inner(self) -> UnixStream {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-vhost v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ready_tx` and `ready_rx` are never read
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct VirtQueue {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     ready_tx: watch::Sender<bool>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 61 |     ready_rx: watch::Receiver<bool>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cmsg_level` and `cmsg_type` are never read
[INFO] [stdout]   --> src/ancillary.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Unknown { cmsg_level: i32, cmsg_type: i32 },
[INFO] [stdout]    |     -------   ^^^^^^^^^^       ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AncillaryError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `capacity`, `is_empty`, `len`, `truncated`, and `clear` are never used
[INFO] [stdout]    --> src/ancillary.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 210 | impl<'a> SocketAncillary<'a> {
[INFO] [stdout]     | ---------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 220 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     pub fn truncated(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_F_NOTIFY_ON_EMPTY` is never used
[INFO] [stdout]   --> src/protocol.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const VIRTIO_F_NOTIFY_ON_EMPTY: u64 = 1 << 24;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_F_INDIRECT_DESC` is never used
[INFO] [stdout]   --> src/protocol.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const VIRTIO_F_INDIRECT_DESC: u64 = 1 << 28;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_F_EVENT_IDX` is never used
[INFO] [stdout]   --> src/protocol.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const VIRTIO_F_EVENT_IDX: u64 = 1 << 29;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SingleMemoryRegionDescription` is never constructed
[INFO] [stdout]   --> src/protocol.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct SingleMemoryRegionDescription {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_ref` and `into_inner` are never used
[INFO] [stdout]   --> src/read_with_fds.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl WithFds {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn get_ref(&self) -> &UnixStream {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn into_inner(self) -> UnixStream {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "efd30d5c141582224d9d088fece7f3fc99fc928fa6653a9db09b6b58700800ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd30d5c141582224d9d088fece7f3fc99fc928fa6653a9db09b6b58700800ae", kill_on_drop: false }`
[INFO] [stdout] efd30d5c141582224d9d088fece7f3fc99fc928fa6653a9db09b6b58700800ae
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81ddcd3e01fe7419e4851c2077c9d8671e2cf9f48a07fd87e97b7b1329e63aac
[INFO] running `Command { std: "docker" "start" "-a" "81ddcd3e01fe7419e4851c2077c9d8671e2cf9f48a07fd87e97b7b1329e63aac", kill_on_drop: false }`
[INFO] [stderr] warning: fields `ready_tx` and `ready_rx` are never read
[INFO] [stderr]   --> src/lib.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct VirtQueue {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 60 |     ready_tx: watch::Sender<bool>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 61 |     ready_rx: watch::Receiver<bool>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `cmsg_level` and `cmsg_type` are never read
[INFO] [stderr]   --> src/ancillary.rs:72:15
[INFO] [stderr]    |
[INFO] [stderr] 72 |     Unknown { cmsg_level: i32, cmsg_type: i32 },
[INFO] [stderr]    |     -------   ^^^^^^^^^^       ^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AncillaryError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `capacity`, `is_empty`, `len`, `truncated`, and `clear` are never used
[INFO] [stderr]    --> src/ancillary.rs:220:12
[INFO] [stderr]     |
[INFO] [stderr] 210 | impl<'a> SocketAncillary<'a> {
[INFO] [stderr]     | ---------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 220 |     pub fn capacity(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 230 |     pub fn len(&self) -> usize {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 242 |     pub fn truncated(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 246 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `VIRTIO_F_NOTIFY_ON_EMPTY` is never used
[INFO] [stderr]   --> src/protocol.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub const VIRTIO_F_NOTIFY_ON_EMPTY: u64 = 1 << 24;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `VIRTIO_F_INDIRECT_DESC` is never used
[INFO] [stderr]   --> src/protocol.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const VIRTIO_F_INDIRECT_DESC: u64 = 1 << 28;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `VIRTIO_F_EVENT_IDX` is never used
[INFO] [stderr]   --> src/protocol.rs:13:11
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const VIRTIO_F_EVENT_IDX: u64 = 1 << 29;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SingleMemoryRegionDescription` is never constructed
[INFO] [stderr]   --> src/protocol.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct SingleMemoryRegionDescription {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_ref` and `into_inner` are never used
[INFO] [stderr]   --> src/read_with_fds.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl WithFds {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn get_ref(&self) -> &UnixStream {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn into_inner(self) -> UnixStream {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-vhost` (lib) generated 8 warnings
[INFO] [stderr] warning: `tokio-vhost` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_vhost-1c3d1e27431c420e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio_vhost
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81ddcd3e01fe7419e4851c2077c9d8671e2cf9f48a07fd87e97b7b1329e63aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ddcd3e01fe7419e4851c2077c9d8671e2cf9f48a07fd87e97b7b1329e63aac", kill_on_drop: false }`
[INFO] [stdout] 81ddcd3e01fe7419e4851c2077c9d8671e2cf9f48a07fd87e97b7b1329e63aac
