[INFO] cloning repository https://github.com/acarl123/RustUDPListener
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acarl123/RustUDPListener" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facarl123%2FRustUDPListener", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facarl123%2FRustUDPListener'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eae210b6c2a87b325c6698c68043ef2fc3b3d179
[INFO] testing acarl123/RustUDPListener against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facarl123%2FRustUDPListener" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acarl123/RustUDPListener on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/acarl123/RustUDPListener
[INFO] finished tweaking git repo https://github.com/acarl123/RustUDPListener
[INFO] tweaked toml for git repo https://github.com/acarl123/RustUDPListener written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/acarl123/RustUDPListener already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ba077d608025d98d1d8963f4f8c0ffe5b91986879d6bb6a9da346effdd4895c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ba077d608025d98d1d8963f4f8c0ffe5b91986879d6bb6a9da346effdd4895c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ba077d608025d98d1d8963f4f8c0ffe5b91986879d6bb6a9da346effdd4895c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba077d608025d98d1d8963f4f8c0ffe5b91986879d6bb6a9da346effdd4895c", kill_on_drop: false }`
[INFO] [stdout] 9ba077d608025d98d1d8963f4f8c0ffe5b91986879d6bb6a9da346effdd4895c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 00743dc1da1628ca92d3b17bef238dbef57c3d3e29196defb4194af0f1c765e9
[INFO] running `Command { std: "docker" "start" "-a" "00743dc1da1628ca92d3b17bef238dbef57c3d3e29196defb4194af0f1c765e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling SocketSender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut socket = try!(UdpSocket::bind(&bind_addr.as_str()));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(socket.send_to(buf, &src));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let (amt, src) = try!(socket.recv_from(&mut buf));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut socket = try!(UdpSocket::bind(&bind_addr.as_str()));
[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: crate `SocketSender` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `socket_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `byteArray` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn int_to_char(byteArray: &[u8; 255]) -> String{
[INFO] [stdout]   |                ^^^^^^^^^ help: convert the identifier to snake case: `byte_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut newVec = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `new_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listenAddr` should have a snake case name
[INFO] [stdout]   --> src/main.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn socket_response(listenAddr: &str, listenPort: i32) -> Result<(), Error> {
[INFO] [stdout]    |                    ^^^^^^^^^^ help: convert the identifier to snake case: `listen_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listenPort` should have a snake case name
[INFO] [stdout]   --> src/main.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn socket_response(listenAddr: &str, listenPort: i32) -> Result<(), Error> {
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: convert the identifier to snake case: `listen_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     socket_response("0.0.0.0", 13389);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "00743dc1da1628ca92d3b17bef238dbef57c3d3e29196defb4194af0f1c765e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00743dc1da1628ca92d3b17bef238dbef57c3d3e29196defb4194af0f1c765e9", kill_on_drop: false }`
[INFO] [stdout] 00743dc1da1628ca92d3b17bef238dbef57c3d3e29196defb4194af0f1c765e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e7031160abe7fd2615e845a81b5212a9355a3b7127d202f26af61b6ca486652
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e7031160abe7fd2615e845a81b5212a9355a3b7127d202f26af61b6ca486652", kill_on_drop: false }`
[INFO] [stderr]    Compiling SocketSender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut socket = try!(UdpSocket::bind(&bind_addr.as_str()));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(socket.send_to(buf, &src));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let (amt, src) = try!(socket.recv_from(&mut buf));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut socket = try!(UdpSocket::bind(&bind_addr.as_str()));
[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: crate `SocketSender` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `socket_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `byteArray` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn int_to_char(byteArray: &[u8; 255]) -> String{
[INFO] [stdout]   |                ^^^^^^^^^ help: convert the identifier to snake case: `byte_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut newVec = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `new_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listenAddr` should have a snake case name
[INFO] [stdout]   --> src/main.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn socket_response(listenAddr: &str, listenPort: i32) -> Result<(), Error> {
[INFO] [stdout]    |                    ^^^^^^^^^^ help: convert the identifier to snake case: `listen_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listenPort` should have a snake case name
[INFO] [stdout]   --> src/main.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn socket_response(listenAddr: &str, listenPort: i32) -> Result<(), Error> {
[INFO] [stdout]    |                                      ^^^^^^^^^^ help: convert the identifier to snake case: `listen_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     socket_response("0.0.0.0", 13389);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "2e7031160abe7fd2615e845a81b5212a9355a3b7127d202f26af61b6ca486652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7031160abe7fd2615e845a81b5212a9355a3b7127d202f26af61b6ca486652", kill_on_drop: false }`
[INFO] [stdout] 2e7031160abe7fd2615e845a81b5212a9355a3b7127d202f26af61b6ca486652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7fa63ed8d9eec0dce85cb7de17c77449f3f3b0fac2256f7875775a108587020
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7fa63ed8d9eec0dce85cb7de17c77449f3f3b0fac2256f7875775a108587020", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 | use std::iter::FromIterator;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut socket = try!(UdpSocket::bind(&bind_addr.as_str()));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try!(socket.send_to(buf, &src));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:29:26
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let (amt, src) = try!(socket.recv_from(&mut buf));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut socket = try!(UdpSocket::bind(&bind_addr.as_str()));
[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: crate `SocketSender` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `socket_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `byteArray` should have a snake case name
[INFO] [stderr]  --> src/main.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn int_to_char(byteArray: &[u8; 255]) -> String{
[INFO] [stderr]   |                ^^^^^^^^^ help: convert the identifier to snake case: `byte_array`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `newVec` should have a snake case name
[INFO] [stderr]   --> src/main.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut newVec = Vec::new();
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case: `new_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `listenAddr` should have a snake case name
[INFO] [stderr]   --> src/main.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn socket_response(listenAddr: &str, listenPort: i32) -> Result<(), Error> {
[INFO] [stderr]    |                    ^^^^^^^^^^ help: convert the identifier to snake case: `listen_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `listenPort` should have a snake case name
[INFO] [stderr]   --> src/main.rs:20:38
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn socket_response(listenAddr: &str, listenPort: i32) -> Result<(), Error> {
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: convert the identifier to snake case: `listen_port`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     socket_response("0.0.0.0", 13389);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `SocketSender` (bin "SocketSender" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/SocketSender-1f9cb37c499a642e)
[INFO] running `Command { std: "docker" "inspect" "e7fa63ed8d9eec0dce85cb7de17c77449f3f3b0fac2256f7875775a108587020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7fa63ed8d9eec0dce85cb7de17c77449f3f3b0fac2256f7875775a108587020", kill_on_drop: false }`
[INFO] [stdout] e7fa63ed8d9eec0dce85cb7de17c77449f3f3b0fac2256f7875775a108587020