[INFO] cloning repository https://github.com/devshiv17/relay-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devshiv17/relay-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevshiv17%2Frelay-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevshiv17%2Frelay-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4624d2ca2cf500247e73683f225444411ff8f5e1
[INFO] testing devshiv17/relay-server against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevshiv17%2Frelay-server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/devshiv17/relay-server
[INFO] finished tweaking git repo https://github.com/devshiv17/relay-server
[INFO] tweaked toml for git repo https://github.com/devshiv17/relay-server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/devshiv17/relay-server on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/devshiv17/relay-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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing devshiv17/relay-server against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevshiv17%2Frelay-server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/devshiv17/relay-server
[INFO] finished tweaking git repo https://github.com/devshiv17/relay-server
[INFO] tweaked toml for git repo https://github.com/devshiv17/relay-server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/devshiv17/relay-server on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/devshiv17/relay-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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmij v0.1.9
[INFO] [stderr]   Downloaded serde_json v1.0.147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaacb1f7ed795b23ecceeb5e8a59137f456bec363241002e4fcf9907d37b1060
[INFO] running `Command { std: "docker" "start" "-a" "eaacb1f7ed795b23ecceeb5e8a59137f456bec363241002e4fcf9907d37b1060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaacb1f7ed795b23ecceeb5e8a59137f456bec363241002e4fcf9907d37b1060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaacb1f7ed795b23ecceeb5e8a59137f456bec363241002e4fcf9907d37b1060", kill_on_drop: false }`
[INFO] [stdout] eaacb1f7ed795b23ecceeb5e8a59137f456bec363241002e4fcf9907d37b1060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88e29f27216bdaed1220dc24e11d62a217b60adb4d454bc76994bcaaeb74434f
[INFO] running `Command { std: "docker" "start" "-a" "88e29f27216bdaed1220dc24e11d62a217b60adb4d454bc76994bcaaeb74434f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.147
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling itoa v1.0.16
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling zmij v0.1.9
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling relay-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MessageFramer`
[INFO] [stdout]   --> src/main.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | use protocol::{Message, MessageFramer};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peer_id` is never read
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct ConnectionHalf {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     peer_id: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_MESSAGE_SIZE` is never used
[INFO] [stdout]   --> src/protocol.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const MAX_MESSAGE_SIZE: usize = 10 * 1024 * 1024;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_bytes` is never used
[INFO] [stdout]   --> src/protocol.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Message {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn from_bytes(mut data: Bytes) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageFramer` is never constructed
[INFO] [stdout]   --> src/protocol.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct MessageFramer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `feed`, and `clear` are never used
[INFO] [stdout]    --> src/protocol.rs:81:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl MessageFramer {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout]  81 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     pub fn feed(&mut self, data: &[u8]) -> Vec<Message> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `Command { std: "docker" "inspect" "88e29f27216bdaed1220dc24e11d62a217b60adb4d454bc76994bcaaeb74434f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e29f27216bdaed1220dc24e11d62a217b60adb4d454bc76994bcaaeb74434f", kill_on_drop: false }`
[INFO] [stdout] 88e29f27216bdaed1220dc24e11d62a217b60adb4d454bc76994bcaaeb74434f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76ddb0d5f1c1d57a7607139fbae4af9a9a687819737134a872a0756cbbad2677
[INFO] running `Command { std: "docker" "start" "-a" "76ddb0d5f1c1d57a7607139fbae4af9a9a687819737134a872a0756cbbad2677", kill_on_drop: false }`
[INFO] [stderr]    Compiling relay-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MessageFramer`
[INFO] [stdout]   --> src/main.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | use protocol::{Message, MessageFramer};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peer_id` is never read
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct ConnectionHalf {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     peer_id: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_MESSAGE_SIZE` is never used
[INFO] [stdout]   --> src/protocol.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const MAX_MESSAGE_SIZE: usize = 10 * 1024 * 1024;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_bytes` is never used
[INFO] [stdout]   --> src/protocol.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Message {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn from_bytes(mut data: Bytes) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageFramer` is never constructed
[INFO] [stdout]   --> src/protocol.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct MessageFramer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `feed`, and `clear` are never used
[INFO] [stdout]    --> src/protocol.rs:81:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl MessageFramer {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout]  81 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     pub fn feed(&mut self, data: &[u8]) -> Vec<Message> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "76ddb0d5f1c1d57a7607139fbae4af9a9a687819737134a872a0756cbbad2677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ddb0d5f1c1d57a7607139fbae4af9a9a687819737134a872a0756cbbad2677", kill_on_drop: false }`
[INFO] [stdout] 76ddb0d5f1c1d57a7607139fbae4af9a9a687819737134a872a0756cbbad2677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b802b9d2b979e5b53998c7db555e230f8b352e643c7181c64dbcb32112e2ac68
[INFO] running `Command { std: "docker" "start" "-a" "b802b9d2b979e5b53998c7db555e230f8b352e643c7181c64dbcb32112e2ac68", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `MessageFramer`
[INFO] [stderr]   --> src/main.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | use protocol::{Message, MessageFramer};
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `peer_id` is never read
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct ConnectionHalf {
[INFO] [stderr]    |        -------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 34 |     peer_id: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MAX_MESSAGE_SIZE` is never used
[INFO] [stderr]   --> src/protocol.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub const MAX_MESSAGE_SIZE: usize = 10 * 1024 * 1024;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_bytes` is never used
[INFO] [stderr]   --> src/protocol.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl Message {
[INFO] [stderr]    | ------------ associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 50 |     pub fn from_bytes(mut data: Bytes) -> Result<Self> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MessageFramer` is never constructed
[INFO] [stderr]   --> src/protocol.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub struct MessageFramer {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `feed`, and `clear` are never used
[INFO] [stderr]    --> src/protocol.rs:81:12
[INFO] [stderr]     |
[INFO] [stderr]  80 | impl MessageFramer {
[INFO] [stderr]     | ------------------ associated items in this implementation
[INFO] [stderr]  81 |     pub fn new() -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  88 |     pub fn feed(&mut self, data: &[u8]) -> Vec<Message> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 135 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `relay-server` (bin "relay-server" test) generated 6 warnings (run `cargo fix --bin "relay-server" -p relay-server --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/relay_server-ec2cb65017ce347c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b802b9d2b979e5b53998c7db555e230f8b352e643c7181c64dbcb32112e2ac68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b802b9d2b979e5b53998c7db555e230f8b352e643c7181c64dbcb32112e2ac68", kill_on_drop: false }`
[INFO] [stdout] b802b9d2b979e5b53998c7db555e230f8b352e643c7181c64dbcb32112e2ac68