[INFO] cloning repository https://github.com/cyberphantom52/network_simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyberphantom52/network_simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyberphantom52%2Fnetwork_simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyberphantom52%2Fnetwork_simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bc43040e1b14a05efb54403d114989bd6b28276
[INFO] checking cyberphantom52/network_simulator/9bc43040e1b14a05efb54403d114989bd6b28276 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyberphantom52%2Fnetwork_simulator" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyberphantom52/network_simulator on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cyberphantom52/network_simulator
[INFO] finished tweaking git repo https://github.com/cyberphantom52/network_simulator
[INFO] tweaked toml for git repo https://github.com/cyberphantom52/network_simulator written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cyberphantom52/network_simulator 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4c0d79ee278c9ba451ee1474ed4229e9477468592c98087c34e463a13f84330
[INFO] running `Command { std: "docker" "start" "-a" "d4c0d79ee278c9ba451ee1474ed4229e9477468592c98087c34e463a13f84330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4c0d79ee278c9ba451ee1474ed4229e9477468592c98087c34e463a13f84330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c0d79ee278c9ba451ee1474ed4229e9477468592c98087c34e463a13f84330", kill_on_drop: false }`
[INFO] [stdout] d4c0d79ee278c9ba451ee1474ed4229e9477468592c98087c34e463a13f84330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feb791e20d82078c512cf1a7be961feeffffbd75b9bfe1cc37b8f3beed68b826
[INFO] running `Command { std: "docker" "start" "-a" "feb791e20d82078c512cf1a7be961feeffffbd75b9bfe1cc37b8f3beed68b826", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking network_simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `flow_control::FlowControl`
[INFO] [stdout]  --> src/layers/datalink/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use flow_control::FlowControl;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `logical_link_control::LogicalLinkControl`
[INFO] [stdout]  --> src/layers/datalink/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use logical_link_control::LogicalLinkControl;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Link`
[INFO] [stdout]  --> src/layers/mod.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use physical::{PhysicalLayer, Link};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AccessControl`, `ErrorControl`, `ReceiveState`, `ReceiveStatus`, and `TransmitState`
[INFO] [stdout]  --> src/layers/mod.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use datalink::{AccessControl, ErrorControl, MacAddr, TransmitState, ReceiveState, ReceiveStatus};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^  ^^^^^^^^^^^^           ^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `flow_control::FlowControl`
[INFO] [stdout]  --> src/layers/datalink/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use flow_control::FlowControl;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `logical_link_control::LogicalLinkControl`
[INFO] [stdout]  --> src/layers/datalink/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use logical_link_control::LogicalLinkControl;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Link`
[INFO] [stdout]  --> src/layers/mod.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use physical::{PhysicalLayer, Link};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AccessControl`, `ErrorControl`, `ReceiveState`, `ReceiveStatus`, and `TransmitState`
[INFO] [stdout]  --> src/layers/mod.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use datalink::{AccessControl, ErrorControl, MacAddr, TransmitState, ReceiveState, ReceiveStatus};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^  ^^^^^^^^^^^^           ^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `broadcast` is never used
[INFO] [stdout]   --> src/layers/datalink/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl MacAddr {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 28 |     fn broadcast() -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ErrorControl` is never used
[INFO] [stdout]  --> src/layers/datalink/error_control.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait ErrorControl {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FlowControl` is never used
[INFO] [stdout]  --> src/layers/datalink/flow_control.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait FlowControl {}
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TypeLen` is never used
[INFO] [stdout]  --> src/layers/datalink/header.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type TypeLen = u16;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EthernetHeader` is never constructed
[INFO] [stdout]   --> src/layers/datalink/header.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(super) struct EthernetHeader {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `src`, `dest`, `to_be_bytes`, and `from_be_bytes` are never used
[INFO] [stdout]   --> src/layers/datalink/header.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl EthernetHeader {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 31 |     pub fn new(source: &MacAddr, destination: &MacAddr, type_len: TypeLen) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn src(&self) -> &MacAddr {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn dest(&self) -> &MacAddr {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn to_be_bytes(self) -> [u8; 14] {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn from_be_bytes(bytes: &[u8; 14]) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LogicalLinkControl` is never used
[INFO] [stdout]  --> src/layers/datalink/logical_link_control.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait LogicalLinkControl: PhysicalLayer + AccessControl {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLAG` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const FLAG: u8 = 0b10101011;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SLOT_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SLOT_SIZE: usize = 512;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IFS` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const IFS: usize = 12;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CRC_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const CRC_SIZE: usize = 4;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ETHERNET_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const ETHERNET_HEADER_SIZE: usize = 14;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MIN_FRAME_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const MIN_FRAME_SIZE: usize = 64;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BASIC_FRAME_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const MAX_BASIC_FRAME_SIZE: usize = 1518;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_ENVELOPE_FRAME_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const MAX_ENVELOPE_FRAME_SIZE: usize = 2000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MIN_TYPE_VAL` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const MIN_TYPE_VAL: u16 = 1536;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXTEND` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const EXTEND: bool = (SLOT_SIZE - MIN_FRAME_SIZE) > 0;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_ATTEMPTS` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const MAX_ATTEMPTS: usize = 16;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BACKOFF` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const MAX_BACKOFF: usize = 10;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HALF_DUPLEX` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const HALF_DUPLEX: bool = true;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TransmitStatus` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum TransmitStatus {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransmitStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `outgoing_frame`, `attempts`, `current_transmit_byte`, `last_transmit_byte`, `transmit_succeeding`, and `new_collision` are never read
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct TransmitState {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 43 |     outgoing_frame: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     attempts: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 45 |     current_transmit_byte: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 46 |     last_transmit_byte: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |     transmit_succeeding: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 48 |     new_collision: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `incoming_frame`, `receiving`, `receive_succeeeding`, and `valid_length` are never read
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct ReceiveState {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 53 |     incoming_frame: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 54 |     receiving: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 55 |     receive_succeeeding: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 56 |     valid_length: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiveState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReceiveStatus` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub enum ReceiveStatus {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiveStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AccessControl` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:90:11
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub trait AccessControl: PhysicalLayer + ErrorControl {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mac` and `transmitting` are never read
[INFO] [stdout]   --> src/layers/nic.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct NIC {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 15 |     mac: MacAddr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     transmitting: RwLock<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mac`, `transmitting`, `set_transmitting`, and `is_receiving` are never used
[INFO] [stdout]   --> src/layers/nic.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl NIC {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 31 |     pub fn mac(&self) -> MacAddr {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn transmitting(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn set_transmitting(&self, transmitting: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn is_receiving(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_recieving` is never used
[INFO] [stdout]   --> src/layers/physical/link.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Link {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn is_recieving(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `disconnect`, `transmit`, `receive`, `carrier_sense`, `transmitting`, and `collision_detect` are never used
[INFO] [stdout]   --> src/layers/physical/physical.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub trait PhysicalLayer {
[INFO] [stdout]    |           ------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |     async fn disconnect(&self) {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     async fn transmit(&self, byte: u8) {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     async fn receive(&self) -> Option<u8> {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn carrier_sense(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn transmitting(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn collision_detect(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CRC32_MEF` is never used
[INFO] [stdout]  --> src/utils/crc.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const CRC32_MEF: CrcModel = CrcModel {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CrcModel` is never constructed
[INFO] [stdout]   --> src/utils/crc.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct CrcModel {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_crc` is never used
[INFO] [stdout]   --> src/utils/crc.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn calculate_crc(bytes: &[u8]) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `broadcast` is never used
[INFO] [stdout]   --> src/layers/datalink/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl MacAddr {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 28 |     fn broadcast() -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ErrorControl` is never used
[INFO] [stdout]  --> src/layers/datalink/error_control.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait ErrorControl {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FlowControl` is never used
[INFO] [stdout]  --> src/layers/datalink/flow_control.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait FlowControl {}
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TypeLen` is never used
[INFO] [stdout]  --> src/layers/datalink/header.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type TypeLen = u16;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EthernetHeader` is never constructed
[INFO] [stdout]   --> src/layers/datalink/header.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(super) struct EthernetHeader {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `src`, `dest`, `to_be_bytes`, and `from_be_bytes` are never used
[INFO] [stdout]   --> src/layers/datalink/header.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl EthernetHeader {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 31 |     pub fn new(source: &MacAddr, destination: &MacAddr, type_len: TypeLen) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn src(&self) -> &MacAddr {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn dest(&self) -> &MacAddr {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn to_be_bytes(self) -> [u8; 14] {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn from_be_bytes(bytes: &[u8; 14]) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LogicalLinkControl` is never used
[INFO] [stdout]  --> src/layers/datalink/logical_link_control.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait LogicalLinkControl: PhysicalLayer + AccessControl {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLAG` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const FLAG: u8 = 0b10101011;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SLOT_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SLOT_SIZE: usize = 512;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IFS` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const IFS: usize = 12;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CRC_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const CRC_SIZE: usize = 4;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ETHERNET_HEADER_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const ETHERNET_HEADER_SIZE: usize = 14;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MIN_FRAME_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const MIN_FRAME_SIZE: usize = 64;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BASIC_FRAME_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const MAX_BASIC_FRAME_SIZE: usize = 1518;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_ENVELOPE_FRAME_SIZE` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const MAX_ENVELOPE_FRAME_SIZE: usize = 2000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MIN_TYPE_VAL` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const MIN_TYPE_VAL: u16 = 1536;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXTEND` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const EXTEND: bool = (SLOT_SIZE - MIN_FRAME_SIZE) > 0;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_ATTEMPTS` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const MAX_ATTEMPTS: usize = 16;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BACKOFF` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const MAX_BACKOFF: usize = 10;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HALF_DUPLEX` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const HALF_DUPLEX: bool = true;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TransmitStatus` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum TransmitStatus {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransmitStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `outgoing_frame`, `attempts`, `current_transmit_byte`, `last_transmit_byte`, `transmit_succeeding`, and `new_collision` are never read
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct TransmitState {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 43 |     outgoing_frame: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     attempts: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 45 |     current_transmit_byte: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 46 |     last_transmit_byte: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |     transmit_succeeding: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 48 |     new_collision: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `incoming_frame`, `receiving`, `receive_succeeeding`, and `valid_length` are never read
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct ReceiveState {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 53 |     incoming_frame: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 54 |     receiving: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 55 |     receive_succeeeding: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 56 |     valid_length: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiveState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReceiveStatus` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub enum ReceiveStatus {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiveStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AccessControl` is never used
[INFO] [stdout]   --> src/layers/datalink/media_access_control.rs:90:11
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub trait AccessControl: PhysicalLayer + ErrorControl {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mac` is never read
[INFO] [stdout]   --> src/layers/nic.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct NIC {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 15 |     mac: MacAddr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mac` and `is_receiving` are never used
[INFO] [stdout]   --> src/layers/nic.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl NIC {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 31 |     pub fn mac(&self) -> MacAddr {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn is_receiving(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_recieving` is never used
[INFO] [stdout]   --> src/layers/physical/link.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Link {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn is_recieving(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `disconnect`, `carrier_sense`, `transmitting`, and `collision_detect` are never used
[INFO] [stdout]   --> src/layers/physical/physical.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub trait PhysicalLayer {
[INFO] [stdout]    |           ------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |     async fn disconnect(&self) {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn carrier_sense(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn transmitting(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn collision_detect(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "feb791e20d82078c512cf1a7be961feeffffbd75b9bfe1cc37b8f3beed68b826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb791e20d82078c512cf1a7be961feeffffbd75b9bfe1cc37b8f3beed68b826", kill_on_drop: false }`
[INFO] [stdout] feb791e20d82078c512cf1a7be961feeffffbd75b9bfe1cc37b8f3beed68b826