[INFO] cloning repository https://github.com/jhb123/cpal-audio-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhb123/cpal-audio-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhb123%2Fcpal-audio-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhb123%2Fcpal-audio-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af6314c66a7f90fe03d4ac0f18bb1004b6a4ef0a
[INFO] checking jhb123/cpal-audio-server against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhb123%2Fcpal-audio-server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/jhb123/cpal-audio-server
[INFO] finished tweaking git repo https://github.com/jhb123/cpal-audio-server
[INFO] tweaked toml for git repo https://github.com/jhb123/cpal-audio-server written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jhb123/cpal-audio-server on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jhb123/cpal-audio-server 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" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ae37c281a5ed264e40111d28358c84c9e940baa275dda160b683871f54e2f31
[INFO] running `Command { std: "docker" "start" "-a" "7ae37c281a5ed264e40111d28358c84c9e940baa275dda160b683871f54e2f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ae37c281a5ed264e40111d28358c84c9e940baa275dda160b683871f54e2f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae37c281a5ed264e40111d28358c84c9e940baa275dda160b683871f54e2f31", kill_on_drop: false }`
[INFO] [stdout] 7ae37c281a5ed264e40111d28358c84c9e940baa275dda160b683871f54e2f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d56ad5de7353a04fb4306e5e729b88258cc8668f7dd979d7bbf5712eee05fbcc
[INFO] running `Command { std: "docker" "start" "-a" "d56ad5de7353a04fb4306e5e729b88258cc8668f7dd979d7bbf5712eee05fbcc", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rustix v0.38.11
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling prettyplease v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling fastrand v2.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling cpal v0.15.2
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking eio v0.1.2
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking ringbuf v0.3.3
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.2
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking alsa v0.7.1
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling prost-derive v0.12.0
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling prost v0.12.0
[INFO] [stderr]    Compiling prost-types v0.12.0
[INFO] [stderr]     Checking clap v4.4.2
[INFO] [stderr]    Compiling prost-build v0.12.0
[INFO] [stderr]    Compiling audio_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]   --> src/lib.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{mem::size_of, io::Cursor, error::Error};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]   --> src/lib.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{mem::size_of, io::Cursor, error::Error};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/demo_client.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let res = stream.send(&serialised)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/demo_client.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut stream = UdpSocket::bind("0.0.0.0:43443").unwrap();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         connection_handler(listener.try_clone().unwrap());
[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] 17 |         let _ = connection_handler(listener.try_clone().unwrap());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         connection_handler(listener.try_clone().unwrap());
[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] 17 |         let _ = connection_handler(listener.try_clone().unwrap());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/demo_client.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let res = stream.send(&serialised)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/demo_client.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut stream = UdpSocket::bind("0.0.0.0:43443").unwrap();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/demo_client.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     stream.connect(ip+":43442");
[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] 63 |     let _ = stream.connect(ip+":43442");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/demo_client.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     stream.connect(ip+":43442");
[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] 63 |     let _ = stream.connect(ip+":43442");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `Command { std: "docker" "inspect" "d56ad5de7353a04fb4306e5e729b88258cc8668f7dd979d7bbf5712eee05fbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56ad5de7353a04fb4306e5e729b88258cc8668f7dd979d7bbf5712eee05fbcc", kill_on_drop: false }`
[INFO] [stdout] d56ad5de7353a04fb4306e5e729b88258cc8668f7dd979d7bbf5712eee05fbcc
