[INFO] cloning repository https://github.com/lowobservable/xotpad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lowobservable/xotpad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowobservable%2Fxotpad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowobservable%2Fxotpad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 846cc5ff874a40421508561fccf3b5275cf36f64
[INFO] checking lowobservable/xotpad against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowobservable%2Fxotpad" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lowobservable/xotpad on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lowobservable/xotpad
[INFO] finished tweaking git repo https://github.com/lowobservable/xotpad
[INFO] tweaked toml for git repo https://github.com/lowobservable/xotpad written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lowobservable/xotpad 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-mutex v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9081f737770906e6299cd3cf39cdafbd7796a138f403d27eb88057fc0e4867d
[INFO] running `Command { std: "docker" "start" "-a" "a9081f737770906e6299cd3cf39cdafbd7796a138f403d27eb88057fc0e4867d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9081f737770906e6299cd3cf39cdafbd7796a138f403d27eb88057fc0e4867d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9081f737770906e6299cd3cf39cdafbd7796a138f403d27eb88057fc0e4867d", kill_on_drop: false }`
[INFO] [stdout] a9081f737770906e6299cd3cf39cdafbd7796a138f403d27eb88057fc0e4867d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a77f18c0844719a9bee7ff8cfd6bd35e2c0b9d826683c0372af00a604f920a8
[INFO] running `Command { std: "docker" "start" "-a" "2a77f18c0844719a9bee7ff8cfd6bd35e2c0b9d826683c0372af00a604f920a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking tracing-mutex v0.2.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking libxotpad v0.0.0 (/opt/rustwide/workdir/libxotpad)
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]  --> libxotpad/src/x29/pad.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::{channel, Sender};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]  --> libxotpad/src/x29/pad.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::{channel, Sender};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:580:29
[INFO] [stdout]     |
[INFO] [stdout] 580 |             if let Some(ref packet) = packet {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:821:49
[INFO] [stdout]     |
[INFO] [stdout] 821 |     fn out_of_order(&self, state: &mut VcState, err: io::Error) {
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:79:48
[INFO] [stdout]    |
[INFO] [stdout] 79 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:95:44
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:99:56
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   Ok(X29PadMessage::Indicate(response)) => todo!(),
[INFO] [stdout]    |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:166:38
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn read_remote_params(&self, request: &[u8]) -> Vec<(u8, u8)> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:170:42
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn set_read_remote_params(&self, request: &[(u8, u8)]) -> Vec<(u8, u8)> {
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> libxotpad/src/x25/vc.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Cleared(ClearInitiator, Option<X25ClearConfirm>),
[INFO] [stdout]    |     -------                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Cleared(ClearInitiator, ()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> libxotpad/src/x25/vc.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     TimeOut(u8),
[INFO] [stdout]    |     ------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 73 |     TimeOut(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 | /         thread::Builder::new().name("x25_vc_1".to_string()).spawn({
[INFO] [stdout] 245 | |             let inner = Arc::clone(&inner);
[INFO] [stdout] 246 | |             let barrier = Arc::clone(&barrier);
[INFO] [stdout] 247 | |
[INFO] [stdout] 248 | |             move || inner.run(recv_link, &barrier)
[INFO] [stdout] 249 | |         });
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let _ = thread::Builder::new().name("x25_vc_1".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 | /         thread::Builder::new().name("x25_vc_2".to_string()).spawn({
[INFO] [stdout] 532 | |             let recv_queue = Arc::clone(&recv_queue);
[INFO] [stdout] 533 | |             let engine_wait = Arc::clone(&self.engine_wait);
[INFO] [stdout] 534 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 546 | |             }
[INFO] [stdout] 547 | |         });
[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] 531 |         let _ = thread::Builder::new().name("x25_vc_2".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout] 58  | /         thread::Builder::new().name("x29_pad".to_string()).spawn({
[INFO] [stdout] 59  | |             let svc = svc.clone();
[INFO] [stdout] 60  | |             let recv_queue = Arc::clone(&recv_queue);
[INFO] [stdout] 61  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 126 | |             }
[INFO] [stdout] 127 | |         });
[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] 58  |         let _ = thread::Builder::new().name("x29_pad".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:580:29
[INFO] [stdout]     |
[INFO] [stdout] 580 |             if let Some(ref packet) = packet {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:821:49
[INFO] [stdout]     |
[INFO] [stdout] 821 |     fn out_of_order(&self, state: &mut VcState, err: io::Error) {
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:79:48
[INFO] [stdout]    |
[INFO] [stdout] 79 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:95:44
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:99:56
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   Ok(X29PadMessage::Indicate(response)) => todo!(),
[INFO] [stdout]    |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:166:38
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn read_remote_params(&self, request: &[u8]) -> Vec<(u8, u8)> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:170:42
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn set_read_remote_params(&self, request: &[(u8, u8)]) -> Vec<(u8, u8)> {
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> libxotpad/src/x25/vc.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Cleared(ClearInitiator, Option<X25ClearConfirm>),
[INFO] [stdout]    |     -------                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Cleared(ClearInitiator, ()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> libxotpad/src/x25/vc.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     TimeOut(u8),
[INFO] [stdout]    |     ------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 73 |     TimeOut(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 | /         thread::Builder::new().name("x25_vc_1".to_string()).spawn({
[INFO] [stdout] 245 | |             let inner = Arc::clone(&inner);
[INFO] [stdout] 246 | |             let barrier = Arc::clone(&barrier);
[INFO] [stdout] 247 | |
[INFO] [stdout] 248 | |             move || inner.run(recv_link, &barrier)
[INFO] [stdout] 249 | |         });
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let _ = thread::Builder::new().name("x25_vc_1".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 | /         thread::Builder::new().name("x25_vc_2".to_string()).spawn({
[INFO] [stdout] 532 | |             let recv_queue = Arc::clone(&recv_queue);
[INFO] [stdout] 533 | |             let engine_wait = Arc::clone(&self.engine_wait);
[INFO] [stdout] 534 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 546 | |             }
[INFO] [stdout] 547 | |         });
[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] 531 |         let _ = thread::Builder::new().name("x25_vc_2".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout] 58  | /         thread::Builder::new().name("x29_pad".to_string()).spawn({
[INFO] [stdout] 59  | |             let svc = svc.clone();
[INFO] [stdout] 60  | |             let recv_queue = Arc::clone(&recv_queue);
[INFO] [stdout] 61  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 126 | |             }
[INFO] [stdout] 127 | |         });
[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] 58  |         let _ = thread::Builder::new().name("x29_pad".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.4.0
[INFO] [stderr]     Checking xotpad v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x3_params`
[INFO] [stdout]  --> src/host_pad.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(/* pty: Pty */ x3_params: &X3Params, svc: Svc) {
[INFO] [stdout]   |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x3_params`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `svc`
[INFO] [stdout]  --> src/host_pad.rs:5:49
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(/* pty: Pty */ x3_params: &X3Params, svc: Svc) {
[INFO] [stdout]   |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_svc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x3_params`
[INFO] [stdout]  --> src/host_pad.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(/* pty: Pty */ x3_params: &X3Params, svc: Svc) {
[INFO] [stdout]   |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x3_params`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `svc`
[INFO] [stdout]  --> src/host_pad.rs:5:49
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(/* pty: Pty */ x3_params: &X3Params, svc: Svc) {
[INFO] [stdout]   |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_svc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/user_pad.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     thread::Builder::new()
[INFO] [stdout] 58 | |         .name("user_input".to_string())
[INFO] [stdout] 59 | |         .spawn({
[INFO] [stdout] 60 | |             let tx = tx.clone();
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |             }
[INFO] [stdout] 81 | |         });
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = thread::Builder::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/user_pad.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | /         thread::Builder::new()
[INFO] [stdout] 121 | |             .name("user_pad_1".to_string())
[INFO] [stdout] 122 | |             .spawn(move || {
[INFO] [stdout] 123 | |                 for tcp_stream in tcp_listener.incoming() {
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | |                 }
[INFO] [stdout] 164 | |             });
[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] 120 |         let _ = thread::Builder::new()
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/x28.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | /         match value {
[INFO] [stdout] 118 | |             Some(value) => write!(&mut s, "{param}:{value}"),
[INFO] [stdout] 119 | |             None => write!(&mut s, "{param}:INV"),
[INFO] [stdout] 120 | |         };
[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] 117 |         let _ = match value {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/user_pad.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     thread::Builder::new()
[INFO] [stdout] 58 | |         .name("user_input".to_string())
[INFO] [stdout] 59 | |         .spawn({
[INFO] [stdout] 60 | |             let tx = tx.clone();
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |             }
[INFO] [stdout] 81 | |         });
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = thread::Builder::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/user_pad.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | /         thread::Builder::new()
[INFO] [stdout] 121 | |             .name("user_pad_1".to_string())
[INFO] [stdout] 122 | |             .spawn(move || {
[INFO] [stdout] 123 | |                 for tcp_stream in tcp_listener.incoming() {
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | |                 }
[INFO] [stdout] 164 | |             });
[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] 120 |         let _ = thread::Builder::new()
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/x28.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | /         match value {
[INFO] [stdout] 118 | |             Some(value) => write!(&mut s, "{param}:{value}"),
[INFO] [stdout] 119 | |             None => write!(&mut s, "{param}:INV"),
[INFO] [stdout] 120 | |         };
[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] 117 |         let _ = match value {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "2a77f18c0844719a9bee7ff8cfd6bd35e2c0b9d826683c0372af00a604f920a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a77f18c0844719a9bee7ff8cfd6bd35e2c0b9d826683c0372af00a604f920a8", kill_on_drop: false }`
[INFO] [stdout] 2a77f18c0844719a9bee7ff8cfd6bd35e2c0b9d826683c0372af00a604f920a8
[INFO] checking lowobservable/xotpad against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowobservable%2Fxotpad" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lowobservable/xotpad on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lowobservable/xotpad
[INFO] finished tweaking git repo https://github.com/lowobservable/xotpad
[INFO] tweaked toml for git repo https://github.com/lowobservable/xotpad written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lowobservable/xotpad 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" "+nightly-2024-02-05" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 430db4ba28d33ac669d40cd3d1f9b8e7544926e42d763b99dcea5beba9877ae8
[INFO] running `Command { std: "docker" "start" "-a" "430db4ba28d33ac669d40cd3d1f9b8e7544926e42d763b99dcea5beba9877ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "430db4ba28d33ac669d40cd3d1f9b8e7544926e42d763b99dcea5beba9877ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430db4ba28d33ac669d40cd3d1f9b8e7544926e42d763b99dcea5beba9877ae8", kill_on_drop: false }`
[INFO] [stdout] 430db4ba28d33ac669d40cd3d1f9b8e7544926e42d763b99dcea5beba9877ae8
[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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 44e2381c8a25939eb9cc6cb461830de52c4913a7abf1dafdf21706c4f3d0f6fe
[INFO] running `Command { std: "docker" "start" "-a" "44e2381c8a25939eb9cc6cb461830de52c4913a7abf1dafdf21706c4f3d0f6fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tracing-mutex v0.2.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]     Checking libxotpad v0.0.0 (/opt/rustwide/workdir/libxotpad)
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]  --> libxotpad/src/x29/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(fuzzing)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]  --> libxotpad/src/x29/pad.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::{channel, Sender};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]   --> libxotpad/src/xot/mod.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[cfg(fuzzing)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]  --> libxotpad/src/x29/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(fuzzing)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]  --> libxotpad/src/x29/pad.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::{channel, Sender};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]   --> libxotpad/src/xot/mod.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[cfg(fuzzing)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:580:29
[INFO] [stdout]     |
[INFO] [stdout] 580 |             if let Some(ref packet) = packet {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:821:49
[INFO] [stdout]     |
[INFO] [stdout] 821 |     fn out_of_order(&self, state: &mut VcState, err: io::Error) {
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:79:48
[INFO] [stdout]    |
[INFO] [stdout] 79 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:95:44
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:99:56
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   Ok(X29PadMessage::Indicate(response)) => todo!(),
[INFO] [stdout]    |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:166:38
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn read_remote_params(&self, request: &[u8]) -> Vec<(u8, u8)> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:170:42
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn set_read_remote_params(&self, request: &[(u8, u8)]) -> Vec<(u8, u8)> {
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> libxotpad/src/x25/vc.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Cleared(ClearInitiator, Option<X25ClearConfirm>),
[INFO] [stdout]    |     -------                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Cleared(ClearInitiator, ()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> libxotpad/src/x25/vc.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     TimeOut(u8),
[INFO] [stdout]    |     ------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 73 |     TimeOut(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 | /         thread::Builder::new().name("x25_vc_1".to_string()).spawn({
[INFO] [stdout] 245 | |             let inner = Arc::clone(&inner);
[INFO] [stdout] 246 | |             let barrier = Arc::clone(&barrier);
[INFO] [stdout] 247 | |
[INFO] [stdout] 248 | |             move || inner.run(recv_link, &barrier)
[INFO] [stdout] 249 | |         });
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let _ = thread::Builder::new().name("x25_vc_1".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 | /         thread::Builder::new().name("x25_vc_2".to_string()).spawn({
[INFO] [stdout] 532 | |             let recv_queue = Arc::clone(&recv_queue);
[INFO] [stdout] 533 | |             let engine_wait = Arc::clone(&self.engine_wait);
[INFO] [stdout] 534 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 546 | |             }
[INFO] [stdout] 547 | |         });
[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] 531 |         let _ = thread::Builder::new().name("x25_vc_2".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout] 58  | /         thread::Builder::new().name("x29_pad".to_string()).spawn({
[INFO] [stdout] 59  | |             let svc = svc.clone();
[INFO] [stdout] 60  | |             let recv_queue = Arc::clone(&recv_queue);
[INFO] [stdout] 61  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 126 | |             }
[INFO] [stdout] 127 | |         });
[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] 58  |         let _ = thread::Builder::new().name("x29_pad".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libxotpad` (lib) due to 3 previous errors; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:580:29
[INFO] [stdout]     |
[INFO] [stdout] 580 |             if let Some(ref packet) = packet {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:821:49
[INFO] [stdout]     |
[INFO] [stdout] 821 |     fn out_of_order(&self, state: &mut VcState, err: io::Error) {
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:79:48
[INFO] [stdout]    |
[INFO] [stdout] 79 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:95:44
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   if let Err(err) = send_message(&svc, message) {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> libxotpad/src/x29/pad.rs:99:56
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   Ok(X29PadMessage::Indicate(response)) => todo!(),
[INFO] [stdout]    |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:166:38
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn read_remote_params(&self, request: &[u8]) -> Vec<(u8, u8)> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:170:42
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn set_read_remote_params(&self, request: &[(u8, u8)]) -> Vec<(u8, u8)> {
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> libxotpad/src/x25/vc.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Cleared(ClearInitiator, Option<X25ClearConfirm>),
[INFO] [stdout]    |     -------                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Cleared(ClearInitiator, ()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> libxotpad/src/x25/vc.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     TimeOut(u8),
[INFO] [stdout]    |     ------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 73 |     TimeOut(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 | /         thread::Builder::new().name("x25_vc_1".to_string()).spawn({
[INFO] [stdout] 245 | |             let inner = Arc::clone(&inner);
[INFO] [stdout] 246 | |             let barrier = Arc::clone(&barrier);
[INFO] [stdout] 247 | |
[INFO] [stdout] 248 | |             move || inner.run(recv_link, &barrier)
[INFO] [stdout] 249 | |         });
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let _ = thread::Builder::new().name("x25_vc_1".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x25/vc.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 | /         thread::Builder::new().name("x25_vc_2".to_string()).spawn({
[INFO] [stdout] 532 | |             let recv_queue = Arc::clone(&recv_queue);
[INFO] [stdout] 533 | |             let engine_wait = Arc::clone(&self.engine_wait);
[INFO] [stdout] 534 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 546 | |             }
[INFO] [stdout] 547 | |         });
[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] 531 |         let _ = thread::Builder::new().name("x25_vc_2".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> libxotpad/src/x29/pad.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout] 58  | /         thread::Builder::new().name("x29_pad".to_string()).spawn({
[INFO] [stdout] 59  | |             let svc = svc.clone();
[INFO] [stdout] 60  | |             let recv_queue = Arc::clone(&recv_queue);
[INFO] [stdout] 61  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 126 | |             }
[INFO] [stdout] 127 | |         });
[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] 58  |         let _ = thread::Builder::new().name("x29_pad".to_string()).spawn({
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libxotpad` (lib test) due to 3 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "44e2381c8a25939eb9cc6cb461830de52c4913a7abf1dafdf21706c4f3d0f6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e2381c8a25939eb9cc6cb461830de52c4913a7abf1dafdf21706c4f3d0f6fe", kill_on_drop: false }`
[INFO] [stdout] 44e2381c8a25939eb9cc6cb461830de52c4913a7abf1dafdf21706c4f3d0f6fe
