[INFO] fetching crate xsio 0.1.2...
[INFO] checking xsio-0.1.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[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 c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 956e65f3121ce5061c0fa24de31c3cc9455aedf548953413f75e82bfbd9ec87a
[INFO] running `Command { std: "docker" "start" "-a" "956e65f3121ce5061c0fa24de31c3cc9455aedf548953413f75e82bfbd9ec87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "956e65f3121ce5061c0fa24de31c3cc9455aedf548953413f75e82bfbd9ec87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956e65f3121ce5061c0fa24de31c3cc9455aedf548953413f75e82bfbd9ec87a", kill_on_drop: false }`
[INFO] [stdout] 956e65f3121ce5061c0fa24de31c3cc9455aedf548953413f75e82bfbd9ec87a
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef05aa7356c830fabff0cb987f312d8c2f36c0e3e4b4392d5f9df6098ff4a9d9
[INFO] running `Command { std: "docker" "start" "-a" "ef05aa7356c830fabff0cb987f312d8c2f36c0e3e4b4392d5f9df6098ff4a9d9", kill_on_drop: false }`
[INFO] [stderr]     Checking 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 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] [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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "ef05aa7356c830fabff0cb987f312d8c2f36c0e3e4b4392d5f9df6098ff4a9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef05aa7356c830fabff0cb987f312d8c2f36c0e3e4b4392d5f9df6098ff4a9d9", kill_on_drop: false }`
[INFO] [stdout] ef05aa7356c830fabff0cb987f312d8c2f36c0e3e4b4392d5f9df6098ff4a9d9