[INFO] fetching crate xsio 0.1.2...
[INFO] testing xsio-0.1.2 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate xsio 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate xsio 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xsio 0.1.2
[INFO] tweaked toml for crates.io crate xsio 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xsio 0.1.2 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xsio 0.1.2 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc8cac58b7f9b39b10d3008cb456f391e105fc554c5411fa4d6083e4d35a8b76
[INFO] running `Command { std: "docker" "start" "-a" "fc8cac58b7f9b39b10d3008cb456f391e105fc554c5411fa4d6083e4d35a8b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc8cac58b7f9b39b10d3008cb456f391e105fc554c5411fa4d6083e4d35a8b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8cac58b7f9b39b10d3008cb456f391e105fc554c5411fa4d6083e4d35a8b76", kill_on_drop: false }`
[INFO] [stdout] fc8cac58b7f9b39b10d3008cb456f391e105fc554c5411fa4d6083e4d35a8b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f6b2776417c276c5e39f59c8f670fabb24c32eee99c34a02b12c71e32ab332d
[INFO] running `Command { std: "docker" "start" "-a" "0f6b2776417c276c5e39f59c8f670fabb24c32eee99c34a02b12c71e32ab332d", kill_on_drop: false }`
[INFO] [stderr]    Compiling xsio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/udp/server/worker/worker.rs:1:98
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::SocketAddr, sync::{atomic::{AtomicBool, AtomicU64, Ordering}, mpsc::Sender, Arc}, time::Duration};
[INFO] [stdout]   |                                                                                                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pop::*`
[INFO] [stdout]  --> src/udp/server/modes/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use pop::*;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpsc::Sender`
[INFO] [stdout]  --> src/udp/server/modes/popmany/mod.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{atomic::Ordering, mpsc::Sender}, time::Duration};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `popmany::*`
[INFO] [stdout]  --> src/udp/server/modes/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use popmany::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kernel::*`
[INFO] [stdout]  --> src/udp/server/modes/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use kernel::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_ring`
[INFO] [stdout]    --> src/udp/server/modes/kernel/mod.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let tx_ring = unsafe {
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_ring`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]    --> src/udp/server/modes/kernel/mod.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let attr = bpf_attr {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/udp/server/worker/worker.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct XUdpServerWorker {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 15 |     pub(crate) number: usize,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "0f6b2776417c276c5e39f59c8f670fabb24c32eee99c34a02b12c71e32ab332d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6b2776417c276c5e39f59c8f670fabb24c32eee99c34a02b12c71e32ab332d", kill_on_drop: false }`
[INFO] [stdout] 0f6b2776417c276c5e39f59c8f670fabb24c32eee99c34a02b12c71e32ab332d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afb419593ad635d29987de9a166ce17d19f1356c5bc2f3048d16dd8c6af0ce4f
[INFO] running `Command { std: "docker" "start" "-a" "afb419593ad635d29987de9a166ce17d19f1356c5bc2f3048d16dd8c6af0ce4f", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/udp/server/worker/worker.rs:1:98
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::SocketAddr, sync::{atomic::{AtomicBool, AtomicU64, Ordering}, mpsc::Sender, Arc}, time::Duration};
[INFO] [stdout]   |                                                                                                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pop::*`
[INFO] [stdout]  --> src/udp/server/modes/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use pop::*;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpsc::Sender`
[INFO] [stdout]  --> src/udp/server/modes/popmany/mod.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{atomic::Ordering, mpsc::Sender}, time::Duration};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `popmany::*`
[INFO] [stdout]  --> src/udp/server/modes/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use popmany::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kernel::*`
[INFO] [stdout]  --> src/udp/server/modes/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use kernel::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_ring`
[INFO] [stdout]    --> src/udp/server/modes/kernel/mod.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let tx_ring = unsafe {
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_ring`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]    --> src/udp/server/modes/kernel/mod.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let attr = bpf_attr {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/udp/server/worker/worker.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct XUdpServerWorker {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 15 |     pub(crate) number: usize,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling xsio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]   --> tests/XUdpServer_Xdp.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let counter = total_requests.clone();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]   --> tests/XUdpServer_Drain.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let counter = total_requests.clone();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/udp/server/worker/worker.rs:1:98
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::SocketAddr, sync::{atomic::{AtomicBool, AtomicU64, Ordering}, mpsc::Sender, Arc}, time::Duration};
[INFO] [stdout]   |                                                                                                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pop::*`
[INFO] [stdout]  --> src/udp/server/modes/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use pop::*;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpsc::Sender`
[INFO] [stdout]  --> src/udp/server/modes/popmany/mod.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{atomic::Ordering, mpsc::Sender}, time::Duration};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `popmany::*`
[INFO] [stdout]  --> src/udp/server/modes/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use popmany::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kernel::*`
[INFO] [stdout]  --> src/udp/server/modes/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use kernel::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_ring`
[INFO] [stdout]    --> src/udp/server/modes/kernel/mod.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let tx_ring = unsafe {
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_ring`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]    --> src/udp/server/modes/kernel/mod.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let attr = bpf_attr {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/udp/server/worker/worker.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct XUdpServerWorker {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 15 |     pub(crate) number: usize,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "afb419593ad635d29987de9a166ce17d19f1356c5bc2f3048d16dd8c6af0ce4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb419593ad635d29987de9a166ce17d19f1356c5bc2f3048d16dd8c6af0ce4f", kill_on_drop: false }`
[INFO] [stdout] afb419593ad635d29987de9a166ce17d19f1356c5bc2f3048d16dd8c6af0ce4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b79a981f8647d5a063ab45e045f12e39cfac3f115a662cd8a1e55e70e521e44b
[INFO] running `Command { std: "docker" "start" "-a" "b79a981f8647d5a063ab45e045f12e39cfac3f115a662cd8a1e55e70e521e44b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `time::Duration`
[INFO] [stderr]  --> src/udp/server/worker/worker.rs:1:98
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{net::SocketAddr, sync::{atomic::{AtomicBool, AtomicU64, Ordering}, mpsc::Sender, Arc}, time::Duration};
[INFO] [stderr]   |                                                                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pop::*`
[INFO] [stderr]  --> src/udp/server/modes/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub use pop::*;
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mpsc::Sender`
[INFO] [stderr]  --> src/udp/server/modes/popmany/mod.rs:1:36
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{sync::{atomic::Ordering, mpsc::Sender}, time::Duration};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `popmany::*`
[INFO] [stderr]  --> src/udp/server/modes/mod.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub use popmany::*;
[INFO] [stderr]   |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `kernel::*`
[INFO] [stderr]  --> src/udp/server/modes/mod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use kernel::*;
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx_ring`
[INFO] [stderr]    --> src/udp/server/modes/kernel/mod.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |             let tx_ring = unsafe {
[INFO] [stderr]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_ring`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attr`
[INFO] [stderr]    --> src/udp/server/modes/kernel/mod.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let attr = bpf_attr {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stderr] 
[INFO] [stderr] warning: field `number` is never read
[INFO] [stderr]   --> src/udp/server/worker/worker.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct XUdpServerWorker {
[INFO] [stderr]    |            ---------------- field in this struct
[INFO] [stderr] 15 |     pub(crate) number: usize,
[INFO] [stderr]    |                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `xsio` (lib) generated 8 warnings (run `cargo fix --lib -p xsio` to apply 5 suggestions)
[INFO] [stderr] warning: unused variable: `counter`
[INFO] [stderr]   --> tests/XUdpServer_Drain.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let counter = total_requests.clone();
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `counter`
[INFO] [stderr]   --> tests/XUdpServer_Xdp.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let counter = total_requests.clone();
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `xsio` (test "XUdpServer_Drain") generated 1 warning
[INFO] [stderr] warning: `xsio` (test "XUdpServer_Xdp") generated 1 warning
[INFO] [stderr] warning: `xsio` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xsio-0b30116655cdddcb)
[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]      Running tests/Socket.rs (/opt/rustwide/target/debug/deps/Socket-3bd2822a81992dae)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::socket_bind_address_ipv6 ... ok
[INFO] [stdout] test tests::socket_creation_closing_ipv4 ... ok
[INFO] [stdout] test tests::socket_creation_closing_ipv6 ... ok
[INFO] [stdout] test tests::socket_bind_address_ipv4 ... ok
[INFO] [stdout] test tests::socket_option_reuseaddr_ipv4 ... ok
[INFO] [stdout] test tests::socket_option_reuseaddr_ipv6 ... ok
[INFO] [stdout] test tests::socket_tcp_listen_accept_send_recv_ipv4 ... ok
[INFO] [stdout] test tests::socket_tcp_listen_accept_send_recv_ipv6 ... ok
[INFO] [stdout] test tests::socket_udp_send_to_recv_from_ipv4 ... ok
[INFO] [stdout] test tests::socket_udp_send_to_recv_from_ipv6 ... ok
[INFO] [stdout] test tests::socket_option_timeout_ipv4 ... ok
[INFO] [stdout] test tests::socket_option_timeout_ipv6 ... ok
[INFO] [stderr]      Running tests/XUdpServer.rs (/opt/rustwide/target/debug/deps/XUdpServer-201f24507ea189ee)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::xudpserver_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/XUdpServer_Drain.rs (/opt/rustwide/target/debug/deps/XUdpServer_Drain-8e6711ab246681b6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] error: test failed, to rerun pass `--test XUdpServer_Drain`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/XUdpServer_Drain-8e6711ab246681b6` (signal: 4, SIGILL: illegal instruction)
[INFO] running `Command { std: "docker" "inspect" "b79a981f8647d5a063ab45e045f12e39cfac3f115a662cd8a1e55e70e521e44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79a981f8647d5a063ab45e045f12e39cfac3f115a662cd8a1e55e70e521e44b", kill_on_drop: false }`
[INFO] [stdout] b79a981f8647d5a063ab45e045f12e39cfac3f115a662cd8a1e55e70e521e44b
