[INFO] cloning repository https://github.com/LeandroVandari/chat-async
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeandroVandari/chat-async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeandroVandari%2Fchat-async", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeandroVandari%2Fchat-async'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf873adab43b80fd7123cf0719f01f0d51c62e21
[INFO] testing LeandroVandari/chat-async against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeandroVandari%2Fchat-async" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LeandroVandari/chat-async
[INFO] finished tweaking git repo https://github.com/LeandroVandari/chat-async
[INFO] tweaked toml for git repo https://github.com/LeandroVandari/chat-async written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LeandroVandari/chat-async on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LeandroVandari/chat-async 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]   Downloaded ipc-channel v0.18.3
[INFO] [stderr]   Downloaded interprocess v2.2.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf321340d4ab1293255409d20135a573c494c8c183971e7b107bcad9f3570265
[INFO] running `Command { std: "docker" "start" "-a" "cf321340d4ab1293255409d20135a573c494c8c183971e7b107bcad9f3570265", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling fastrand v2.3.0
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[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling doctest-file v1.0.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio v1.47.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling interprocess v2.2.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling ipc-channel v0.18.3
[INFO] [stderr]    Compiling procspawn v1.0.1
[INFO] [stderr]    Compiling chat_async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `select`
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     select,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `multicast_connection`
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let multicast_connection = connect_to_multicast(multicast_addr)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_multicast_connection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_sender`
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let (t_sender, mut r_sender) = mpsc::channel(8);
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let (t_sender, mut r_sender) = mpsc::channel(8);
[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: field `multicast_addr` is never read
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct IpcCommunicator {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 22 |     ipc_conn: IpcStream,
[INFO] [stdout] 23 |     multicast_addr: SocketAddrV4,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpcCommunicator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sender` is never read
[INFO] [stdout]   --> src/connect/multicast/server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct MulticastServer<M: Message, C: Communicator = SocketCommunicator> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     sender: Sender<M>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MulticastServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.38s
[INFO] running `Command { std: "docker" "inspect" "cf321340d4ab1293255409d20135a573c494c8c183971e7b107bcad9f3570265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf321340d4ab1293255409d20135a573c494c8c183971e7b107bcad9f3570265", kill_on_drop: false }`
[INFO] [stdout] cf321340d4ab1293255409d20135a573c494c8c183971e7b107bcad9f3570265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecbcdd6639a6a9d2ebe7cb1da597e635a1e2b0c59bbe3d882d8f1bddf9e08866
[INFO] running `Command { std: "docker" "start" "-a" "ecbcdd6639a6a9d2ebe7cb1da597e635a1e2b0c59bbe3d882d8f1bddf9e08866", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `select`
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     select,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `multicast_connection`
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let multicast_connection = connect_to_multicast(multicast_addr)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_multicast_connection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_sender`
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let (t_sender, mut r_sender) = mpsc::channel(8);
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let (t_sender, mut r_sender) = mpsc::channel(8);
[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] [stderr]    Compiling chat_async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `multicast_addr` is never read
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct IpcCommunicator {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 22 |     ipc_conn: IpcStream,
[INFO] [stdout] 23 |     multicast_addr: SocketAddrV4,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpcCommunicator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sender` is never read
[INFO] [stdout]   --> src/connect/multicast/server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct MulticastServer<M: Message, C: Communicator = SocketCommunicator> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     sender: Sender<M>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MulticastServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `select`
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     select,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `multicast_connection`
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let multicast_connection = connect_to_multicast(multicast_addr)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_multicast_connection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_sender`
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let (t_sender, mut r_sender) = mpsc::channel(8);
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let (t_sender, mut r_sender) = mpsc::channel(8);
[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: field `multicast_addr` is never read
[INFO] [stdout]   --> src/connect/multicast/communicator/ipc/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct IpcCommunicator {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 22 |     ipc_conn: IpcStream,
[INFO] [stdout] 23 |     multicast_addr: SocketAddrV4,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpcCommunicator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sender` is never read
[INFO] [stdout]   --> src/connect/multicast/server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct MulticastServer<M: Message, C: Communicator = SocketCommunicator> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     sender: Sender<M>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MulticastServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "ecbcdd6639a6a9d2ebe7cb1da597e635a1e2b0c59bbe3d882d8f1bddf9e08866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbcdd6639a6a9d2ebe7cb1da597e635a1e2b0c59bbe3d882d8f1bddf9e08866", kill_on_drop: false }`
[INFO] [stdout] ecbcdd6639a6a9d2ebe7cb1da597e635a1e2b0c59bbe3d882d8f1bddf9e08866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b0e5c02a80e4c2d8e6f1c14b5aa522171631f8d671aa7f65053e40d9639e96b
[INFO] running `Command { std: "docker" "start" "-a" "5b0e5c02a80e4c2d8e6f1c14b5aa522171631f8d671aa7f65053e40d9639e96b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `select`
[INFO] [stderr]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     select,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `multicast_connection`
[INFO] [stderr]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let multicast_connection = connect_to_multicast(multicast_addr)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_multicast_connection`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_sender`
[INFO] [stderr]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let (t_sender, mut r_sender) = mpsc::channel(8);
[INFO] [stderr]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/connect/multicast/communicator/ipc/spawn_process.rs:68:24
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let (t_sender, mut r_sender) = mpsc::channel(8);
[INFO] [stderr]    |                        ----^^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `multicast_addr` is never read
[INFO] [stderr]   --> src/connect/multicast/communicator/ipc/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct IpcCommunicator {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] 22 |     ipc_conn: IpcStream,
[INFO] [stderr] 23 |     multicast_addr: SocketAddrV4,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `IpcCommunicator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `sender` is never read
[INFO] [stderr]   --> src/connect/multicast/server.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct MulticastServer<M: Message, C: Communicator = SocketCommunicator> {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 15 |     sender: Sender<M>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MulticastServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `chat_async` (lib) generated 6 warnings (run `cargo fix --lib -p chat_async` to apply 2 suggestions)
[INFO] [stderr] warning: `chat_async` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chat_async-6f842212bc1a4461)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::address_is_multicast ... ok
[INFO] [stdout] test connect::multicast::join::tests::connect_to_multicast_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- connect::multicast::join::tests::connect_to_multicast_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'connect::multicast::join::tests::connect_to_multicast_test' panicked at src/connect/multicast/join.rs:24:9:
[INFO] [stdout] assertion failed: super::connect_to_multicast(crate::MULTICAST_ADDRESS).await.is_ok()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x602b7624faa2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x602b7624faa2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x602b7624faa2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x602b7624faa2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x602b76275a73 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x602b76275a73 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x602b7624c723 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x602b7624c723 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x602b7624f8f2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x602b76251019 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x602b76250e4e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x602b7619a824 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x602b7619a824 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x602b762519ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x602b762519ee - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x602b76251786 - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x602b7624ff99 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x602b7625144d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x602b762741d0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x602b7627425c - core::panicking::panic::h89a5f2df32b0508a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x602b7615a731 - chat_async::connect::multicast::join::tests::connect_to_multicast_test::{{closure}}::hd136674dfe1c06cd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/connect/multicast/join.rs:24:9
[INFO] [stdout]   21:     0x602b7615ff12 - <core::pin::Pin<P> as core::future::future::Future>::poll::h4abbe76d3b69c69c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/future/future.rs:133:9
[INFO] [stdout]   22:     0x602b7615ff8d - <core::pin::Pin<P> as core::future::future::Future>::poll::hec5bc9ecd2d70da5
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/future/future.rs:133:9
[INFO] [stdout]   23:     0x602b7615fdcd - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}::h65d529f1bf9078e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/scheduler/current_thread/mod.rs:742:70
[INFO] [stdout]   24:     0x602b7615fcfb - tokio::task::coop::with_budget::h890d630cbb16e771
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/task/coop/mod.rs:167:5
[INFO] [stdout]   25:     0x602b7615fcfb - tokio::task::coop::budget::hadb0f7c1132ca96d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/task/coop/mod.rs:133:5
[INFO] [stdout]   26:     0x602b7615fcfb - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::h850c7907c1a31d60
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/scheduler/current_thread/mod.rs:742:25
[INFO] [stdout]   27:     0x602b7615d1b0 - tokio::runtime::scheduler::current_thread::Context::enter::h3e77c0617b882f36
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/scheduler/current_thread/mod.rs:432:19
[INFO] [stdout]   28:     0x602b7615f23d - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::hd415361e5e974aa0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/scheduler/current_thread/mod.rs:741:44
[INFO] [stdout]   29:     0x602b7615e454 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}::h6ce77567323b2a5b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/scheduler/current_thread/mod.rs:829:68
[INFO] [stdout]   30:     0x602b7615780b - tokio::runtime::context::scoped::Scoped<T>::set::h52a1c7dbf37d1182
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   31:     0x602b76157509 - tokio::runtime::context::set_scheduler::{{closure}}::h224e23d2314a1e54
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/context.rs:176:38
[INFO] [stdout]   32:     0x602b76154702 - std::thread::local::LocalKey<T>::try_with::ha2fab3cc7b203916
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/local.rs:315:12
[INFO] [stdout]   33:     0x602b76153cce - std::thread::local::LocalKey<T>::with::hcaff2be9f59eca4d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/local.rs:279:20
[INFO] [stdout]   34:     0x602b7615747d - tokio::runtime::context::set_scheduler::h2469d67f7f60f9d7
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/context.rs:176:17
[INFO] [stdout]   35:     0x602b7615e200 - tokio::runtime::scheduler::current_thread::CoreGuard::enter::h89ef9d6fa4b1e072
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/scheduler/current_thread/mod.rs:829:27
[INFO] [stdout]   36:     0x602b7615e4f3 - tokio::runtime::scheduler::current_thread::CoreGuard::block_on::ha46646ce70c86ef0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/scheduler/current_thread/mod.rs:729:24
[INFO] [stdout]   37:     0x602b7615c780 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}::ha197abb7b0374985
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/scheduler/current_thread/mod.rs:200:33
[INFO] [stdout]   38:     0x602b7615b510 - tokio::runtime::context::runtime::enter_runtime::h7d7ac10282d666bf
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   39:     0x602b7615c141 - tokio::runtime::scheduler::current_thread::CurrentThread::block_on::h4a91c35b793d453f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/scheduler/current_thread/mod.rs:188:9
[INFO] [stdout]   40:     0x602b76157de4 - tokio::runtime::runtime::Runtime::block_on_inner::h9f96aa13468ea493
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/runtime.rs:356:52
[INFO] [stdout]   41:     0x602b76157fac - tokio::runtime::runtime::Runtime::block_on::hf3f06d9494d9c3e7
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.0/src/runtime/runtime.rs:330:18
[INFO] [stdout]   42:     0x602b7615a413 - chat_async::connect::multicast::join::tests::connect_to_multicast_test::h427c5f9616bae17d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/connect/multicast/join.rs:24:16
[INFO] [stdout]   43:     0x602b7615a2b7 - chat_async::connect::multicast::join::tests::connect_to_multicast_test::{{closure}}::hdbf001db04839e25
[INFO] [stdout]                                at /opt/rustwide/workdir/src/connect/multicast/join.rs:23:41
[INFO] [stdout]   44:     0x602b7615a8e6 - core::ops::function::FnOnce::call_once::h2b9a25be17c1c29c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   45:     0x602b761a008b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   46:     0x602b761a008b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   47:     0x602b7619f1c5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   48:     0x602b7619f1c5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   49:     0x602b7619f1c5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   50:     0x602b7619f1c5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   51:     0x602b7619f1c5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   52:     0x602b7619f1c5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   53:     0x602b7619f1c5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   54:     0x602b76162dc4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   55:     0x602b76162dc4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   56:     0x602b7616679a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   57:     0x602b7616679a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   58:     0x602b7616679a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   59:     0x602b7616679a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   60:     0x602b7616679a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   61:     0x602b7616679a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   62:     0x602b7616679a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   63:     0x602b76254b8f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   64:     0x602b76254b8f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   65:     0x7028b163caa4 - <unknown>
[INFO] [stdout]   66:     0x7028b16c9a34 - clone
[INFO] [stdout]   67:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     connect::multicast::join::tests::connect_to_multicast_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "5b0e5c02a80e4c2d8e6f1c14b5aa522171631f8d671aa7f65053e40d9639e96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0e5c02a80e4c2d8e6f1c14b5aa522171631f8d671aa7f65053e40d9639e96b", kill_on_drop: false }`
[INFO] [stdout] 5b0e5c02a80e4c2d8e6f1c14b5aa522171631f8d671aa7f65053e40d9639e96b
