[INFO] fetching crate proxie 0.1.1...
[INFO] building proxie-0.1.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate proxie 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate proxie 0.1.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proxie 0.1.1
[INFO] finished tweaking crates.io crate proxie 0.1.1
[INFO] tweaked toml for crates.io crate proxie 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 87 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afc8578d3e139157197ba6f2851798068e2438c0bd1c4e722a23f58a10acbbf6
[INFO] running `Command { std: "docker" "start" "-a" "afc8578d3e139157197ba6f2851798068e2438c0bd1c4e722a23f58a10acbbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afc8578d3e139157197ba6f2851798068e2438c0bd1c4e722a23f58a10acbbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc8578d3e139157197ba6f2851798068e2438c0bd1c4e722a23f58a10acbbf6", kill_on_drop: false }`
[INFO] [stdout] afc8578d3e139157197ba6f2851798068e2438c0bd1c4e722a23f58a10acbbf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70d3c743558195c99e16e85d37becb344bd07203e0e2cdf1cace069630d93322
[INFO] running `Command { std: "docker" "start" "-a" "70d3c743558195c99e16e85d37becb344bd07203e0e2cdf1cace069630d93322", kill_on_drop: false }`
[INFO] [stderr]    Compiling proxie v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `username` and `password` are never read
[INFO] [stdout]  --> src/proxy.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Auth {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub(crate) username: String,
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 4 |     pub(crate) password: String,
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Auth` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `server`, `port`, and `auth` are never read
[INFO] [stdout]   --> src/proxy.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct HTTPProxy {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 24 |     pub(crate) server: String,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 25 |     pub(crate) port: u16,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 26 |     pub(crate) auth: Option<Auth>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HTTPProxy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `server`, `port`, and `auth` are never read
[INFO] [stdout]   --> src/proxy.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SOCKS5Proxy {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 42 |     pub(crate) server: String,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 43 |     pub(crate) port: u16,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 44 |     pub(crate) auth: Option<Auth>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SOCKS5Proxy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SOCKS5Command` is never used
[INFO] [stdout]   --> src/proxy.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) enum SOCKS5Command {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FailedToConnectError` is never constructed
[INFO] [stdout]   --> src/error.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub(crate) struct FailedToConnectError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Socks5HandshakeError` is never constructed
[INFO] [stdout]   --> src/error.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) struct Socks5HandshakeError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SOCKS5_REP_ERROR_MESSAGE` is never used
[INFO] [stdout]   --> src/error.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 | const SOCKS5_REP_ERROR_MESSAGE: [&'static str; 8] = [ //RFC 1928, Chapter 6
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Socks5RequestError` is never constructed
[INFO] [stdout]   --> src/error.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub(crate) struct Socks5RequestError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_http_connect_request` is never used
[INFO] [stdout]   --> src/utils.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) fn make_http_connect_request(addr: &impl ToTarget, proxy: &HTTPProxy) -> Result<String> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_response` is never used
[INFO] [stdout]   --> src/utils.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) fn parse_http_response(buffer: &[u8]) -> Result<()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_socks5_initial_request` is never used
[INFO] [stdout]   --> src/utils.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(crate) fn make_socks5_initial_request(auth: &Option<Auth>) -> Vec<u8> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_socks5_authentication_request` is never used
[INFO] [stdout]   --> src/utils.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub(crate) fn make_socks5_authentication_request(auth: &Auth) -> Vec<u8> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_socks5_request` is never used
[INFO] [stdout]   --> src/utils.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub(crate) fn make_socks5_request(cmd: SOCKS5Command, target: &Target) -> Result<Vec<u8>> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]  --> src/prelude.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) type Result<T> = result::Result<T, Box<dyn Error>>;
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "70d3c743558195c99e16e85d37becb344bd07203e0e2cdf1cace069630d93322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d3c743558195c99e16e85d37becb344bd07203e0e2cdf1cace069630d93322", kill_on_drop: false }`
[INFO] [stdout] 70d3c743558195c99e16e85d37becb344bd07203e0e2cdf1cace069630d93322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 577c7fe87978c7e0ea240cd721fd71106d3bbe2ce9f285e3781cb98e50d5b1e0
[INFO] running `Command { std: "docker" "start" "-a" "577c7fe87978c7e0ea240cd721fd71106d3bbe2ce9f285e3781cb98e50d5b1e0", kill_on_drop: false }`
[INFO] [stdout] warning: fields `username` and `password` are never read
[INFO] [stdout]  --> src/proxy.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Auth {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub(crate) username: String,
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 4 |     pub(crate) password: String,
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Auth` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `server`, `port`, and `auth` are never read
[INFO] [stdout]   --> src/proxy.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct HTTPProxy {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 24 |     pub(crate) server: String,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 25 |     pub(crate) port: u16,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 26 |     pub(crate) auth: Option<Auth>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HTTPProxy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `server`, `port`, and `auth` are never read
[INFO] [stdout]   --> src/proxy.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SOCKS5Proxy {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 42 |     pub(crate) server: String,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 43 |     pub(crate) port: u16,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 44 |     pub(crate) auth: Option<Auth>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SOCKS5Proxy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SOCKS5Command` is never used
[INFO] [stdout]   --> src/proxy.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) enum SOCKS5Command {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FailedToConnectError` is never constructed
[INFO] [stdout]   --> src/error.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub(crate) struct FailedToConnectError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Socks5HandshakeError` is never constructed
[INFO] [stdout]   --> src/error.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) struct Socks5HandshakeError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SOCKS5_REP_ERROR_MESSAGE` is never used
[INFO] [stdout]   --> src/error.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 | const SOCKS5_REP_ERROR_MESSAGE: [&'static str; 8] = [ //RFC 1928, Chapter 6
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Socks5RequestError` is never constructed
[INFO] [stdout]   --> src/error.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub(crate) struct Socks5RequestError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_http_connect_request` is never used
[INFO] [stdout]   --> src/utils.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) fn make_http_connect_request(addr: &impl ToTarget, proxy: &HTTPProxy) -> Result<String> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_response` is never used
[INFO] [stdout]   --> src/utils.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) fn parse_http_response(buffer: &[u8]) -> Result<()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_socks5_initial_request` is never used
[INFO] [stdout]   --> src/utils.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(crate) fn make_socks5_initial_request(auth: &Option<Auth>) -> Vec<u8> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_socks5_authentication_request` is never used
[INFO] [stdout]   --> src/utils.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub(crate) fn make_socks5_authentication_request(auth: &Auth) -> Vec<u8> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proxie v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `make_socks5_request` is never used
[INFO] [stdout]   --> src/utils.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub(crate) fn make_socks5_request(cmd: SOCKS5Command, target: &Target) -> Result<Vec<u8>> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]  --> src/prelude.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) type Result<T> = result::Result<T, Box<dyn Error>>;
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `username` and `password` are never read
[INFO] [stdout]  --> src/proxy.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Auth {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub(crate) username: String,
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 4 |     pub(crate) password: String,
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Auth` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `server`, `port`, and `auth` are never read
[INFO] [stdout]   --> src/proxy.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct HTTPProxy {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 24 |     pub(crate) server: String,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 25 |     pub(crate) port: u16,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 26 |     pub(crate) auth: Option<Auth>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HTTPProxy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `server`, `port`, and `auth` are never read
[INFO] [stdout]   --> src/proxy.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SOCKS5Proxy {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 42 |     pub(crate) server: String,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 43 |     pub(crate) port: u16,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 44 |     pub(crate) auth: Option<Auth>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SOCKS5Proxy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SOCKS5Command` is never used
[INFO] [stdout]   --> src/proxy.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) enum SOCKS5Command {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FailedToConnectError` is never constructed
[INFO] [stdout]   --> src/error.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub(crate) struct FailedToConnectError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Socks5HandshakeError` is never constructed
[INFO] [stdout]   --> src/error.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) struct Socks5HandshakeError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SOCKS5_REP_ERROR_MESSAGE` is never used
[INFO] [stdout]   --> src/error.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 | const SOCKS5_REP_ERROR_MESSAGE: [&'static str; 8] = [ //RFC 1928, Chapter 6
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Socks5RequestError` is never constructed
[INFO] [stdout]   --> src/error.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub(crate) struct Socks5RequestError {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_http_connect_request` is never used
[INFO] [stdout]   --> src/utils.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) fn make_http_connect_request(addr: &impl ToTarget, proxy: &HTTPProxy) -> Result<String> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_response` is never used
[INFO] [stdout]   --> src/utils.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) fn parse_http_response(buffer: &[u8]) -> Result<()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_socks5_initial_request` is never used
[INFO] [stdout]   --> src/utils.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(crate) fn make_socks5_initial_request(auth: &Option<Auth>) -> Vec<u8> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_socks5_authentication_request` is never used
[INFO] [stdout]   --> src/utils.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub(crate) fn make_socks5_authentication_request(auth: &Auth) -> Vec<u8> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_socks5_request` is never used
[INFO] [stdout]   --> src/utils.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub(crate) fn make_socks5_request(cmd: SOCKS5Command, target: &Target) -> Result<Vec<u8>> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]  --> src/prelude.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) type Result<T> = result::Result<T, Box<dyn Error>>;
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "577c7fe87978c7e0ea240cd721fd71106d3bbe2ce9f285e3781cb98e50d5b1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577c7fe87978c7e0ea240cd721fd71106d3bbe2ce9f285e3781cb98e50d5b1e0", kill_on_drop: false }`
[INFO] [stdout] 577c7fe87978c7e0ea240cd721fd71106d3bbe2ce9f285e3781cb98e50d5b1e0