[INFO] cloning repository https://github.com/Joel-Engstrom/Node-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Joel-Engstrom/Node-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoel-Engstrom%2FNode-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoel-Engstrom%2FNode-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5eaf7f95d686e353a8f9bb1ecaa930cf76bc7fc
[INFO] checking Joel-Engstrom/Node-Rust against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoel-Engstrom%2FNode-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/Joel-Engstrom/Node-Rust
[INFO] finished tweaking git repo https://github.com/Joel-Engstrom/Node-Rust
[INFO] tweaked toml for git repo https://github.com/Joel-Engstrom/Node-Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Joel-Engstrom/Node-Rust on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Joel-Engstrom/Node-Rust 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be7fbe24cbff5ba2b52f40353bace7d2f01cd1177ca2f965fd7a43bcb8988ca1
[INFO] running `Command { std: "docker" "start" "-a" "be7fbe24cbff5ba2b52f40353bace7d2f01cd1177ca2f965fd7a43bcb8988ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7fbe24cbff5ba2b52f40353bace7d2f01cd1177ca2f965fd7a43bcb8988ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7fbe24cbff5ba2b52f40353bace7d2f01cd1177ca2f965fd7a43bcb8988ca1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f05f45f4267a54783684023701828876434fe77398d53e8f274e6dc6ad00a579
[INFO] running `Command { std: "docker" "start" "-a" "f05f45f4267a54783684023701828876434fe77398d53e8f274e6dc6ad00a579", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking Node-Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Node_Rust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `node_rust`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pdu::PDU::*`
[INFO] [stdout]    --> src/pdu.rs:926:9
[INFO] [stdout]     |
[INFO] [stdout] 926 |     use crate::pdu::PDU::*;
[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: `crate::pdu::PDU::*`
[INFO] [stdout]    --> src/pdu.rs:926:9
[INFO] [stdout]     |
[INFO] [stdout] 926 |     use crate::pdu::PDU::*;
[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 variable: `a`
[INFO] [stdout]    --> src/pdu.rs:933:14
[INFO] [stdout]     |
[INFO] [stdout] 933 |         let (a, b) = NetAlivePdu::try_parse(&b).unwrap();
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/pdu.rs:942:14
[INFO] [stdout]     |
[INFO] [stdout] 942 |         let (a, b) = NetGetNodePdu::try_parse(&b).unwrap();
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/pdu.rs:989:14
[INFO] [stdout]     |
[INFO] [stdout] 989 |         let (a, b) = NetCloseConnectionPdu::try_parse(&b).unwrap();
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> src/pdu.rs:1090:14
[INFO] [stdout]      |
[INFO] [stdout] 1090 |         let (a, b) = StunLookupPdu::try_parse(&b).unwrap();
[INFO] [stdout]      |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]   --> src/socket_wrapper.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const BUFFER_SIZE: usize = 25600;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Message` is never used
[INFO] [stdout]   --> src/socket_wrapper.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Message = (PDU, SocketAddr);
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpWrapper` is never constructed
[INFO] [stdout]   --> src/socket_wrapper.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TcpWrapper {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `send`, `next_pdu`, and `try_read` are never used
[INFO] [stdout]   --> src/socket_wrapper.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl TcpWrapper {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn send(&self, socket: &mut TcpStream, pdu: PDU) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn next_pdu(&mut self) -> Option<Message> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn try_read(&mut self, socket: &mut TcpStream) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UdpWrapper` is never constructed
[INFO] [stdout]   --> src/socket_wrapper.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct UdpWrapper {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `send`, `next_pdu`, and `try_read` are never used
[INFO] [stdout]    --> src/socket_wrapper.rs:94:12
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl UdpWrapper {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout]  94 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn send(&self, socket: &mut UdpSocket, pdu: PDU, rec: SocketAddr) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn next_pdu(&mut self) -> Option<Message> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn try_read(&mut self, socket: &mut UdpSocket) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pdu` is never used
[INFO] [stdout]    --> src/socket_wrapper.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn parse_pdu(buffer: &[u8]) -> Option<(PDU, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_net_pdu` is never used
[INFO] [stdout]    --> src/socket_wrapper.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn parse_net_pdu(buffer: &[u8]) -> Option<(PDU, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_val_pdu` is never used
[INFO] [stdout]    --> src/socket_wrapper.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn parse_val_pdu(buffer: &[u8]) -> Option<(PDU, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_stun_pdu` is never used
[INFO] [stdout]    --> src/socket_wrapper.rs:239:4
[INFO] [stdout]     |
[INFO] [stdout] 239 | fn parse_stun_pdu(buffer: &[u8]) -> Option<(PDU, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NET_ALIVE_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const NET_ALIVE_SIZE: usize = 1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NET_GET_NODE_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const NET_GET_NODE_SIZE: usize = 1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NET_GET_NODE_RESPONSE_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const NET_GET_NODE_RESPONSE_SIZE: usize = 1 + 4 + 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NET_JOIN_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const NET_JOIN_SIZE: usize = 1 + 4 + 2 + 1 + 4 + 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NET_JOIN_RESPONSE_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const NET_JOIN_RESPONSE_SIZE: usize = 1 + 4 + 2 + 1 + 1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NET_CLOSE_CONNECTION_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const NET_CLOSE_CONNECTION_SIZE: usize = 1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NET_NEW_RANGE_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const NET_NEW_RANGE_SIZE: usize = 1 + 1 + 1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NET_NEW_RANGE_RESPONSE_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const NET_NEW_RANGE_RESPONSE_SIZE: usize = 1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NET_LEAVING_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const NET_LEAVING_SIZE: usize = 1 + 4 + 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VAL_REMOVE_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const VAL_REMOVE_SIZE: usize = 1 + SSN_LENGTH;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VAL_LOOKUP_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const VAL_LOOKUP_SIZE: usize = 1 + SSN_LENGTH + 4 + 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STUN_LOOKUP_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const STUN_LOOKUP_SIZE: usize = 1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STUN_RESPONSE_SIZE` is never used
[INFO] [stdout]   --> src/pdu.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const STUN_RESPONSE_SIZE: usize = 1 + 4;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PDU` is never used
[INFO] [stdout]   --> src/pdu.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum PDU {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_bytes` is never used
[INFO] [stdout]   --> src/pdu.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl PDU {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 84 |     pub fn to_bytes(self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_be_u8` is never used
[INFO] [stdout]    --> src/pdu.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn read_be_u8(input: &mut &[u8]) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_be_u32` is never used
[INFO] [stdout]    --> src/pdu.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn read_be_u32(input: &mut &[u8]) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_be_u16` is never used
[INFO] [stdout]    --> src/pdu.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn read_be_u16(input: &mut &[u8]) -> u16 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ParsePdu` is never used
[INFO] [stdout]    --> src/pdu.rs:123:11
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub trait ParsePdu: Sized {
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/pdu.rs:933:14
[INFO] [stdout]     |
[INFO] [stdout] 933 |         let (a, b) = NetAlivePdu::try_parse(&b).unwrap();
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/pdu.rs:942:14
[INFO] [stdout]     |
[INFO] [stdout] 942 |         let (a, b) = NetGetNodePdu::try_parse(&b).unwrap();
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/pdu.rs:989:14
[INFO] [stdout]     |
[INFO] [stdout] 989 |         let (a, b) = NetCloseConnectionPdu::try_parse(&b).unwrap();
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> src/pdu.rs:1090:14
[INFO] [stdout]      |
[INFO] [stdout] 1090 |         let (a, b) = StunLookupPdu::try_parse(&b).unwrap();
[INFO] [stdout]      |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]   --> src/socket_wrapper.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const BUFFER_SIZE: usize = 25600;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Message` is never used
[INFO] [stdout]   --> src/socket_wrapper.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Message = (PDU, SocketAddr);
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpWrapper` is never constructed
[INFO] [stdout]   --> src/socket_wrapper.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TcpWrapper {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `send`, `next_pdu`, and `try_read` are never used
[INFO] [stdout]   --> src/socket_wrapper.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl TcpWrapper {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn send(&self, socket: &mut TcpStream, pdu: PDU) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn next_pdu(&mut self) -> Option<Message> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn try_read(&mut self, socket: &mut TcpStream) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UdpWrapper` is never constructed
[INFO] [stdout]   --> src/socket_wrapper.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct UdpWrapper {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `send`, `next_pdu`, and `try_read` are never used
[INFO] [stdout]    --> src/socket_wrapper.rs:94:12
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl UdpWrapper {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout]  94 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn send(&self, socket: &mut UdpSocket, pdu: PDU, rec: SocketAddr) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn next_pdu(&mut self) -> Option<Message> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn try_read(&mut self, socket: &mut UdpSocket) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pdu` is never used
[INFO] [stdout]    --> src/socket_wrapper.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn parse_pdu(buffer: &[u8]) -> Option<(PDU, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_net_pdu` is never used
[INFO] [stdout]    --> src/socket_wrapper.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn parse_net_pdu(buffer: &[u8]) -> Option<(PDU, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_val_pdu` is never used
[INFO] [stdout]    --> src/socket_wrapper.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn parse_val_pdu(buffer: &[u8]) -> Option<(PDU, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_stun_pdu` is never used
[INFO] [stdout]    --> src/socket_wrapper.rs:239:4
[INFO] [stdout]     |
[INFO] [stdout] 239 | fn parse_stun_pdu(buffer: &[u8]) -> Option<(PDU, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PDU` is never used
[INFO] [stdout]   --> src/pdu.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum PDU {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_bytes` is never used
[INFO] [stdout]   --> src/pdu.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl PDU {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 84 |     pub fn to_bytes(self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.88s
[INFO] running `Command { std: "docker" "inspect" "f05f45f4267a54783684023701828876434fe77398d53e8f274e6dc6ad00a579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05f45f4267a54783684023701828876434fe77398d53e8f274e6dc6ad00a579", kill_on_drop: false }`
[INFO] [stdout] f05f45f4267a54783684023701828876434fe77398d53e8f274e6dc6ad00a579
