[INFO] cloning repository https://github.com/noxue/connex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noxue/connex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxue%2Fconnex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxue%2Fconnex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65f77feb0d37d74fd6afd8262a81048594acadd6
[INFO] building noxue/connex against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxue%2Fconnex" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/noxue/connex
[INFO] finished tweaking git repo https://github.com/noxue/connex
[INFO] tweaked toml for git repo https://github.com/noxue/connex written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/noxue/connex on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/noxue/connex 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snafu-derive v0.8.4
[INFO] [stderr]   Downloaded snafu v0.8.4
[INFO] [stderr]   Downloaded syn v2.0.77
[INFO] [stderr]   Downloaded async-trait v0.1.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ee8ab6d14be1fa63f23552181caf87fa351964638e3b30bf23d868b8c567556
[INFO] running `Command { std: "docker" "start" "-a" "0ee8ab6d14be1fa63f23552181caf87fa351964638e3b30bf23d868b8c567556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee8ab6d14be1fa63f23552181caf87fa351964638e3b30bf23d868b8c567556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee8ab6d14be1fa63f23552181caf87fa351964638e3b30bf23d868b8c567556", kill_on_drop: false }`
[INFO] [stdout] 0ee8ab6d14be1fa63f23552181caf87fa351964638e3b30bf23d868b8c567556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d976aad52b330683676e523c7e03b413926c2a43fa3fd2daf42b17f39cedf57
[INFO] running `Command { std: "docker" "start" "-a" "0d976aad52b330683676e523c7e03b413926c2a43fa3fd2daf42b17f39cedf57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling uuid v1.10.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling snafu-derive v0.8.4
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling async-trait v0.1.82
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling snafu v0.8.4
[INFO] [stderr]    Compiling connex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `OwnedReadHalf` and `OwnedWriteHalf`
[INFO] [stdout]  --> src/core/key_exchange/mod.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::tcp::{OwnedReadHalf, OwnedWriteHalf};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `state::ConnectionState`
[INFO] [stdout]  --> src/server/connection/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use state::ConnectionState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `session_id` is never read
[INFO] [stdout]   --> src/server/connection/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Connection {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     session_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: field `connections` is never read
[INFO] [stdout]   --> src/server/connection/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct ConnectionManager {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 59 |     connections: HashMap<String, Connection>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.40s
[INFO] running `Command { std: "docker" "inspect" "0d976aad52b330683676e523c7e03b413926c2a43fa3fd2daf42b17f39cedf57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d976aad52b330683676e523c7e03b413926c2a43fa3fd2daf42b17f39cedf57", kill_on_drop: false }`
[INFO] [stdout] 0d976aad52b330683676e523c7e03b413926c2a43fa3fd2daf42b17f39cedf57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5a5d67674d13ffcfd384c3a63713a15a5e6763999e14b21831732802e322de8
[INFO] running `Command { std: "docker" "start" "-a" "b5a5d67674d13ffcfd384c3a63713a15a5e6763999e14b21831732802e322de8", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `OwnedReadHalf` and `OwnedWriteHalf`
[INFO] [stdout]  --> src/core/key_exchange/mod.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::tcp::{OwnedReadHalf, OwnedWriteHalf};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `state::ConnectionState`
[INFO] [stdout]  --> src/server/connection/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use state::ConnectionState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `session_id` is never read
[INFO] [stdout]   --> src/server/connection/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Connection {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     session_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: field `connections` is never read
[INFO] [stdout]   --> src/server/connection/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct ConnectionManager {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 59 |     connections: HashMap<String, Connection>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling connex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> examples/test.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub async fn accept(&self, socket: TcpStream) -> Connection {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_exchange`
[INFO] [stdout]   --> examples/test.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         key_exchange: Box<dyn KeyExchange>,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_exchange`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encryption_filter`
[INFO] [stdout]   --> examples/test.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         encryption_filter: Box<dyn Filter>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encryption_filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decryption_filter`
[INFO] [stdout]   --> examples/test.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         decryption_filter: Box<dyn Filter>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decryption_filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]   --> examples/test.rs:38:37
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn add_filter_in(&mut self, filter: Box<dyn Filter>) {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]   --> examples/test.rs:42:38
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn add_filter_out(&mut self, filter: Box<dyn Filter>) {
[INFO] [stdout]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_key`
[INFO] [stdout]    --> examples/test.rs:133:16
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn new(public_key: &str, private_key: &str) -> Self {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `private_key`
[INFO] [stdout]    --> examples/test.rs:133:34
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn new(public_key: &str, private_key: &str) -> Self {
[INFO] [stdout]     |                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_private_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_key`
[INFO] [stdout]    --> examples/test.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn process(&self, public_key: &str, private_key: &str) -> String {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `private_key`
[INFO] [stdout]    --> examples/test.rs:139:41
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn process(&self, public_key: &str, private_key: &str) -> String {
[INFO] [stdout]     |                                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_private_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pipeline::Pipeline`
[INFO] [stdout]  --> examples/simpe_client_server.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         pipeline::Pipeline,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Writer` is more private than the item `Connection::writer`
[INFO] [stdout]   --> examples/test.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub writer: Writer,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ field `Connection::writer` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Writer` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> examples/test.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | struct Writer;
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Reader` is more private than the item `Connection::reader`
[INFO] [stdout]   --> examples/test.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub reader: Reader,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ field `Connection::reader` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Reader` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> examples/test.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | struct Reader;
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `StopHandle` is more private than the item `Connection::stop_handle`
[INFO] [stdout]   --> examples/test.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub stop_handle: StopHandle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Connection::stop_handle` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `StopHandle` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> examples/test.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct StopHandle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `process` is never used
[INFO] [stdout]   --> examples/test.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Filter {
[INFO] [stdout]    |       ------ method in this trait
[INFO] [stdout] 14 |     fn process(&self, data: Vec<u8>) -> Vec<u8>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `process` is never used
[INFO] [stdout]   --> examples/test.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | trait KeyExchange {
[INFO] [stdout]    |       ----------- method in this trait
[INFO] [stdout] 18 |     fn process(&self, public_key: &str, private_key: &str) -> String;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EncryptionFilter` is never constructed
[INFO] [stdout]   --> examples/simpe_client_server.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct EncryptionFilter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DecryptionFilter` is never constructed
[INFO] [stdout]   --> examples/simpe_client_server.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct DecryptionFilter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OwnedReadHalf` and `OwnedWriteHalf`
[INFO] [stdout]  --> src/core/key_exchange/mod.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::tcp::{OwnedReadHalf, OwnedWriteHalf};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `state::ConnectionState`
[INFO] [stdout]  --> src/server/connection/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use state::ConnectionState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `session_id` is never read
[INFO] [stdout]   --> src/server/connection/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Connection {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     session_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: field `connections` is never read
[INFO] [stdout]   --> src/server/connection/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct ConnectionManager {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 59 |     connections: HashMap<String, Connection>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "b5a5d67674d13ffcfd384c3a63713a15a5e6763999e14b21831732802e322de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a5d67674d13ffcfd384c3a63713a15a5e6763999e14b21831732802e322de8", kill_on_drop: false }`
[INFO] [stdout] b5a5d67674d13ffcfd384c3a63713a15a5e6763999e14b21831732802e322de8