[INFO] fetching crate yggy 0.0.0-alpha.1...
[INFO] checking yggy-0.0.0-alpha.1 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate yggy 0.0.0-alpha.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate yggy 0.0.0-alpha.1 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yggy 0.0.0-alpha.1
[INFO] finished tweaking crates.io crate yggy 0.0.0-alpha.1
[INFO] tweaked toml for crates.io crate yggy 0.0.0-alpha.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate yggy 0.0.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2-asm v0.5.3
[INFO] [stderr]   Downloaded addr2line v0.12.0
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] [stderr]   Downloaded clear_on_drop v0.2.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.18
[INFO] [stderr]   Downloaded boringtun v0.3.0
[INFO] [stderr]   Downloaded thiserror v1.0.18
[INFO] [stderr]   Downloaded quote v1.0.5
[INFO] [stderr]   Downloaded derive_more v0.99.7
[INFO] [stderr]   Downloaded jni v0.10.2
[INFO] [stderr]   Downloaded ed25519-dalek v0.9.1
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", 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] 0ddcd09ececed0339c77bf96b4eca47c621a27f35643257da1b0ed90aeca12c5
[INFO] running `Command { std: "docker" "start" "-a" "0ddcd09ececed0339c77bf96b4eca47c621a27f35643257da1b0ed90aeca12c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ddcd09ececed0339c77bf96b4eca47c621a27f35643257da1b0ed90aeca12c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ddcd09ececed0339c77bf96b4eca47c621a27f35643257da1b0ed90aeca12c5", kill_on_drop: false }`
[INFO] [stdout] 0ddcd09ececed0339c77bf96b4eca47c621a27f35643257da1b0ed90aeca12c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--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] 9652f350e51f1f59ce29932aa2105324c8961ee3bc8f213fbb7eb9f741e1478d
[INFO] running `Command { std: "docker" "start" "-a" "9652f350e51f1f59ce29932aa2105324c8961ee3bc8f213fbb7eb9f741e1478d", kill_on_drop: false }`
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[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
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[INFO] [stderr]     Checking serde_urlencoded v0.6.1
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[INFO] [stderr]     Checking yggy v0.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/core/config/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `derive_more::From`
[INFO] [stdout]  --> src/core/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use derive_more::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/core/tuntap.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::core::{error::Error, types::*};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `derive_more::From`
[INFO] [stdout]  --> src/core/types/address.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use derive_more::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]  --> src/core/types/address.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{convert::TryFrom, net::Ipv6Addr, str::FromStr};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr`, `SocketAddr`, `str::FromStr`
[INFO] [stdout]   --> src/core/types/mod.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     net::{IpAddr, Ipv4Addr, SocketAddr},
[INFO] [stdout]    |           ^^^^^^  ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 15 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]   --> src/core/mod.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/core/config/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `derive_more::From`
[INFO] [stdout]  --> src/core/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use derive_more::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/core/tuntap.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::core::{error::Error, types::*};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `derive_more::From`
[INFO] [stdout]  --> src/core/types/address.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use derive_more::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]  --> src/core/types/address.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{convert::TryFrom, net::Ipv6Addr, str::FromStr};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr`, `SocketAddr`, `str::FromStr`
[INFO] [stdout]   --> src/core/types/mod.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     net::{IpAddr, Ipv4Addr, SocketAddr},
[INFO] [stdout]    |           ^^^^^^  ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 15 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]   --> src/core/mod.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `raw`
[INFO] [stdout]   --> src/core/types/address.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn try_from(raw: Ipv6Addr) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_raw`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pub_key`
[INFO] [stdout]   --> src/core/types/address.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from(pub_key: ed25519_dalek::PublicKey) -> Self {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TUN_IPV6_HEADER_LENGTH`
[INFO] [stdout]  --> src/core/tuntap.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const TUN_IPV6_HEADER_LENGTH: u8 = 40;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub mod core;
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:3:58
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![warn(rust_2018_idioms, missing_debug_implementations, missing_docs)]
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `raw`
[INFO] [stdout]   --> src/core/types/address.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn try_from(raw: Ipv6Addr) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_raw`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pub_key`
[INFO] [stdout]   --> src/core/types/address.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from(pub_key: ed25519_dalek::PublicKey) -> Self {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pub_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]  --> src/core/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod config;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]  --> src/core/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod crypto;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a trait
[INFO] [stdout]  --> src/core/dialer.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Dialer {}
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]  --> src/core/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub mod error;
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an enum
[INFO] [stdout]  --> src/core/error.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Error {
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]  --> src/core/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Init,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/core/error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Config(#[from] ConfigError),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an enum
[INFO] [stdout]   --> src/core/error.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum ConfigError {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/core/error.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     InvalidMTU(u16),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/core/error.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     InvalidPeerURI(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a trait
[INFO] [stdout]  --> src/core/listener.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Listener {}
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/core/tuntap.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn name(&self) -> &str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/core/tuntap.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn mtu(&self) -> &MTU;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/core/tuntap.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn start(&mut self);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]  --> src/core/mod.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub mod types;
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]  --> src/core/types/ids.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct NodeId;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]  --> src/core/types/ids.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TreeId;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/core/types/peer.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Peer {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/core/types/peer.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     TCP(SocketAddr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/core/types/peer.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     SOCKS(SocketAddr, SocketAddr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/core/types/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Auto,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/core/types/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/core/types/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Custom(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a trait
[INFO] [stdout]   --> src/core/mod.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Node {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated type
[INFO] [stdout]   --> src/core/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     type State;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a trait
[INFO] [stdout]   --> src/core/mod.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait NodeAPI: Node {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TUN_IPV6_HEADER_LENGTH`
[INFO] [stdout]  --> src/core/tuntap.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const TUN_IPV6_HEADER_LENGTH: u8 = 40;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 30s
[INFO] running `Command { std: "docker" "inspect" "9652f350e51f1f59ce29932aa2105324c8961ee3bc8f213fbb7eb9f741e1478d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9652f350e51f1f59ce29932aa2105324c8961ee3bc8f213fbb7eb9f741e1478d", kill_on_drop: false }`
[INFO] [stdout] 9652f350e51f1f59ce29932aa2105324c8961ee3bc8f213fbb7eb9f741e1478d
