[INFO] cloning repository https://github.com/vrdons/nethernet-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vrdons/nethernet-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvrdons%2Fnethernet-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvrdons%2Fnethernet-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91bcee4197f4e3ebf8eeaf50d0ff7b08de518ff2
[INFO] checking vrdons/nethernet-test against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvrdons%2Fnethernet-test" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vrdons/nethernet-test
[INFO] finished tweaking git repo https://github.com/vrdons/nethernet-test
[INFO] tweaked toml for git repo https://github.com/vrdons/nethernet-test written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vrdons/nethernet-test on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vrdons/nethernet-test 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 723a58aa92de14414a855d6a55e25326a8437f367583d32f2c213b89e9eb3386
[INFO] running `Command { std: "docker" "start" "-a" "723a58aa92de14414a855d6a55e25326a8437f367583d32f2c213b89e9eb3386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "723a58aa92de14414a855d6a55e25326a8437f367583d32f2c213b89e9eb3386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "723a58aa92de14414a855d6a55e25326a8437f367583d32f2c213b89e9eb3386", kill_on_drop: false }`
[INFO] [stdout] 723a58aa92de14414a855d6a55e25326a8437f367583d32f2c213b89e9eb3386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46e953ea64e5197a9cb0b47db2ec21c034682814996b7d2da0a797147025f99f
[INFO] running `Command { std: "docker" "start" "-a" "46e953ea64e5197a9cb0b47db2ec21c034682814996b7d2da0a797147025f99f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]    Compiling cc v1.2.32
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking ecb v0.1.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling sha2-asm v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking nethernet-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discovery/mod.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let mut socket = arc_clone.lock().unwrap();
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discovery/mod.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut config = config_clone.lock().unwrap();
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discovery/mod.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut arc_clone = arc.clone();
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discovery/mod.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut config_clone = self.config.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/discovery/mod.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut config = config_clone.lock().unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `network_id` is never read
[INFO] [stdout]  --> src/discovery/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct DiscoverySettings {
[INFO] [stdout]   |            ----------------- field in this struct
[INFO] [stdout] 5 |     pub network_id: u64,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `broadcast` is never used
[INFO] [stdout]   --> src/discovery/mod.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl LanDiscovery {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn broadcast() {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Packet` is never used
[INFO] [stdout]  --> src/discovery/packet.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Packet {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]   --> src/discovery/packet.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Header {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read`, and `write` are never used
[INFO] [stdout]   --> src/discovery/packet.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Header {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(packet_id: u16, sender_id: u64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn read(r: &mut dyn std::io::Read) -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn write(&self, w: &mut dyn std::io::Write) -> Result<(), std::io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]   --> src/discovery/packet.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn encrypt(packet: &dyn Packet, sender_id: u64) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]   --> src/discovery/packet.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn decrypt(packet: &[u8]) -> Result<(std::io::Cursor<Vec<u8>>, Header), std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_u8` is never used
[INFO] [stdout]   --> src/discovery/packet.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn read_bytes_u8(r: &mut impl std::io::Read) -> Result<Vec<u8>, std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_u32` is never used
[INFO] [stdout]    --> src/discovery/packet.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn read_bytes_u32(r: &mut impl std::io::Read) -> std::io::Result<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_bytes_u8` is never used
[INFO] [stdout]    --> src/discovery/packet.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn write_bytes_u8(w: &mut impl std::io::Write, b: &[u8]) -> Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_bytes_u32` is never used
[INFO] [stdout]    --> src/discovery/packet.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn write_bytes_u32(w: &mut impl std::io::Write, b: &[u8]) -> Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_bytes` is never used
[INFO] [stdout]    --> src/discovery/packet.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn write_bytes<L>(w: &mut impl std::io::Write, b: &[u8]) -> Result<(), std::io::Error>
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `APPLICATION` is never used
[INFO] [stdout]  --> src/discovery/id.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const APPLICATION: u64 = 0xdeadbeef;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DISCOVERY_REQUEST` is never used
[INFO] [stdout]  --> src/discovery/id.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const DISCOVERY_REQUEST: u16 = 0x000;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DISCOVERY_RESPONSE` is never used
[INFO] [stdout]  --> src/discovery/id.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const DISCOVERY_RESPONSE: u16 = 0x001;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DISCOVERY_MESSAGE` is never used
[INFO] [stdout]  --> src/discovery/id.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const DISCOVERY_MESSAGE: u16 = 0x002;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Aes256EcbEnc` is never used
[INFO] [stdout]  --> src/discovery/crypto.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Aes256EcbEnc = ecb::Encryptor<aes::Aes256>;
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Aes256EcbDec` is never used
[INFO] [stdout]  --> src/discovery/crypto.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Aes256EcbDec = ecb::Decryptor<aes::Aes256>;
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HmacSha256` is never used
[INFO] [stdout]  --> src/discovery/crypto.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type HmacSha256 = hmac::Hmac<sha2::Sha256>;
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_key` is never used
[INFO] [stdout]  --> src/discovery/crypto.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn make_key() -> [u8; 32] {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]   --> src/discovery/crypto.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn encrypt(src: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]   --> src/discovery/crypto.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn decrypt(src: &[u8]) -> Result<Vec<u8>, std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `checksum` is never used
[INFO] [stdout]   --> src/discovery/crypto.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn checksum(payload: &[u8], byte: &[u8]) -> Result<[u8; 32], std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hmac_sha256` is never used
[INFO] [stdout]   --> src/discovery/crypto.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn hmac_sha256(payload: &[u8]) -> [u8; 32] {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> src/discovery/crypto.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     hmac::Mac::finalize(mac).into_bytes().try_into().unwrap()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nethernet-test` (bin "nethernet-test") due to 1 previous error; 29 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discovery/mod.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let mut socket = arc_clone.lock().unwrap();
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discovery/mod.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut config = config_clone.lock().unwrap();
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discovery/mod.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut arc_clone = arc.clone();
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/discovery/mod.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut config_clone = self.config.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/discovery/mod.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let mut config = config_clone.lock().unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `network_id` is never read
[INFO] [stdout]  --> src/discovery/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct DiscoverySettings {
[INFO] [stdout]   |            ----------------- field in this struct
[INFO] [stdout] 5 |     pub network_id: u64,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `broadcast` is never used
[INFO] [stdout]   --> src/discovery/mod.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl LanDiscovery {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn broadcast() {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Packet` is never used
[INFO] [stdout]  --> src/discovery/packet.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Packet {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]   --> src/discovery/packet.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Header {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read`, and `write` are never used
[INFO] [stdout]   --> src/discovery/packet.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Header {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(packet_id: u16, sender_id: u64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn read(r: &mut dyn std::io::Read) -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn write(&self, w: &mut dyn std::io::Write) -> Result<(), std::io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]   --> src/discovery/packet.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn encrypt(packet: &dyn Packet, sender_id: u64) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]   --> src/discovery/packet.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn decrypt(packet: &[u8]) -> Result<(std::io::Cursor<Vec<u8>>, Header), std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_u8` is never used
[INFO] [stdout]   --> src/discovery/packet.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn read_bytes_u8(r: &mut impl std::io::Read) -> Result<Vec<u8>, std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bytes_u32` is never used
[INFO] [stdout]    --> src/discovery/packet.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn read_bytes_u32(r: &mut impl std::io::Read) -> std::io::Result<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_bytes_u8` is never used
[INFO] [stdout]    --> src/discovery/packet.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn write_bytes_u8(w: &mut impl std::io::Write, b: &[u8]) -> Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_bytes_u32` is never used
[INFO] [stdout]    --> src/discovery/packet.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn write_bytes_u32(w: &mut impl std::io::Write, b: &[u8]) -> Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_bytes` is never used
[INFO] [stdout]    --> src/discovery/packet.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn write_bytes<L>(w: &mut impl std::io::Write, b: &[u8]) -> Result<(), std::io::Error>
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `APPLICATION` is never used
[INFO] [stdout]  --> src/discovery/id.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const APPLICATION: u64 = 0xdeadbeef;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DISCOVERY_REQUEST` is never used
[INFO] [stdout]  --> src/discovery/id.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const DISCOVERY_REQUEST: u16 = 0x000;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DISCOVERY_RESPONSE` is never used
[INFO] [stdout]  --> src/discovery/id.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const DISCOVERY_RESPONSE: u16 = 0x001;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DISCOVERY_MESSAGE` is never used
[INFO] [stdout]  --> src/discovery/id.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const DISCOVERY_MESSAGE: u16 = 0x002;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Aes256EcbEnc` is never used
[INFO] [stdout]  --> src/discovery/crypto.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Aes256EcbEnc = ecb::Encryptor<aes::Aes256>;
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Aes256EcbDec` is never used
[INFO] [stdout]  --> src/discovery/crypto.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Aes256EcbDec = ecb::Decryptor<aes::Aes256>;
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HmacSha256` is never used
[INFO] [stdout]  --> src/discovery/crypto.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type HmacSha256 = hmac::Hmac<sha2::Sha256>;
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_key` is never used
[INFO] [stdout]  --> src/discovery/crypto.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn make_key() -> [u8; 32] {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]   --> src/discovery/crypto.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn encrypt(src: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]   --> src/discovery/crypto.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn decrypt(src: &[u8]) -> Result<Vec<u8>, std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `checksum` is never used
[INFO] [stdout]   --> src/discovery/crypto.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn checksum(payload: &[u8], byte: &[u8]) -> Result<[u8; 32], std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hmac_sha256` is never used
[INFO] [stdout]   --> src/discovery/crypto.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn hmac_sha256(payload: &[u8]) -> [u8; 32] {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> src/discovery/crypto.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     hmac::Mac::finalize(mac).into_bytes().try_into().unwrap()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nethernet-test` (bin "nethernet-test" test) due to 1 previous error; 29 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "46e953ea64e5197a9cb0b47db2ec21c034682814996b7d2da0a797147025f99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e953ea64e5197a9cb0b47db2ec21c034682814996b7d2da0a797147025f99f", kill_on_drop: false }`
[INFO] [stdout] 46e953ea64e5197a9cb0b47db2ec21c034682814996b7d2da0a797147025f99f
