[INFO] cloning repository https://github.com/cbosoft/mcenroe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbosoft/mcenroe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbosoft%2Fmcenroe", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
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[INFO] checking cbosoft/mcenroe against try#8a2f6fe57adadb246778b8d41925d3dc46d468cb for pr-158320
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbosoft%2Fmcenroe" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cbosoft/mcenroe
[INFO] finished tweaking git repo https://github.com/cbosoft/mcenroe
[INFO] tweaked toml for git repo https://github.com/cbosoft/mcenroe written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cbosoft/mcenroe on toolchain 8a2f6fe57adadb246778b8d41925d3dc46d468cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cbosoft/mcenroe 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" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Checking mcenroe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/ping.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]  --> src/ping.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, Instant, SystemTime};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddrV4`
[INFO] [stdout]  --> src/ping.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{Ipv4Addr, SocketAddrV4};
[INFO] [stdout]   |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Domain`, `Protocol`, `Socket`, and `Type`
[INFO] [stdout]  --> src/ping.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use socket2::{Domain, Protocol, Socket, Type};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^^  ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> src/ping.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `subprocess::unix::ExitStatusExt`
[INFO] [stdout]  --> src/ping.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use subprocess::unix::ExitStatusExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExitStatus`
[INFO] [stdout]  --> src/ping.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use subprocess::{Exec, ExitStatus, Redirection};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EchoReply` and `EchoRequest`
[INFO] [stdout]   --> src/ping.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::icmp::{ICMP_HEADER_SIZE, EchoRequest, EchoReply};
[INFO] [stdout]    |                                     ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backtrace`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{backtrace, env};
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr` and `SocketAddr`
[INFO] [stdout]  --> src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::{IpAddr, Ipv4Addr, SocketAddr};
[INFO] [stdout]   |                ^^^^^^            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/ping.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]  --> src/ping.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, Instant, SystemTime};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddrV4`
[INFO] [stdout]  --> src/ping.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{Ipv4Addr, SocketAddrV4};
[INFO] [stdout]   |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Domain`, `Protocol`, `Socket`, and `Type`
[INFO] [stdout]  --> src/ping.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use socket2::{Domain, Protocol, Socket, Type};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^^  ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> src/ping.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `subprocess::unix::ExitStatusExt`
[INFO] [stdout]  --> src/ping.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use subprocess::unix::ExitStatusExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExitStatus`
[INFO] [stdout]  --> src/ping.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use subprocess::{Exec, ExitStatus, Redirection};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EchoReply` and `EchoRequest`
[INFO] [stdout]   --> src/ping.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::icmp::{ICMP_HEADER_SIZE, EchoRequest, EchoReply};
[INFO] [stdout]    |                                     ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backtrace`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{backtrace, env};
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr` and `SocketAddr`
[INFO] [stdout]  --> src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::{IpAddr, Ipv4Addr, SocketAddr};
[INFO] [stdout]   |                ^^^^^^            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidProtocol`, `DecodeV4Error`, and `DecodeEchoReplyError` are never constructed
[INFO] [stdout]   --> src/errors.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout]  5 |     #[error("invalid procotol")]
[INFO] [stdout]  6 |     InvalidProtocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     DecodeV4Error,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     #[error("Decode echo reply error occurred while processing the ICMP echo reply.")]
[INFO] [stdout] 12 |     DecodeEchoReplyError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ICMP_HEADER_SIZE` is never used
[INFO] [stdout]  --> src/icmp.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const ICMP_HEADER_SIZE: usize = 8;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]  --> src/icmp.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Error {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IcmpV4` is never constructed
[INFO] [stdout]   --> src/icmp.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct IcmpV4;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `ECHO_REQUEST_TYPE`, `ECHO_REQUEST_CODE`, `ECHO_REPLY_TYPE`, and `ECHO_REPLY_CODE` are never used
[INFO] [stdout]   --> src/icmp.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl IcmpV4 {
[INFO] [stdout]    | ----------- associated constants in this implementation
[INFO] [stdout] 25 |     const ECHO_REQUEST_TYPE: u8 = 8;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     const ECHO_REQUEST_CODE: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |     const ECHO_REPLY_TYPE: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     const ECHO_REPLY_CODE: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EchoRequest` is never constructed
[INFO] [stdout]   --> src/icmp.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct EchoRequest<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]   --> src/icmp.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<'a> EchoRequest<'a> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] 38 |     pub fn encode(&self, buffer: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EchoReply` is never constructed
[INFO] [stdout]   --> src/icmp.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct EchoReply<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]   --> src/icmp.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl<'a> EchoReply<'a> {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 63 |     pub fn decode(buffer: &'a [u8]) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_checksum` is never used
[INFO] [stdout]   --> src/icmp.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn write_checksum(buffer: &mut [u8]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TOKEN_SIZE` is never used
[INFO] [stdout]   --> src/ping.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const TOKEN_SIZE: usize = 24;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ECHO_REQUEST_BUFFER_SIZE` is never used
[INFO] [stdout]   --> src/ping.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const ECHO_REQUEST_BUFFER_SIZE: usize = ICMP_HEADER_SIZE + TOKEN_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Token` is never used
[INFO] [stdout]   --> src/ping.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | type Token = [u8; TOKEN_SIZE];
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidProtocol`, `DecodeV4Error`, and `DecodeEchoReplyError` are never constructed
[INFO] [stdout]   --> src/errors.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout]  5 |     #[error("invalid procotol")]
[INFO] [stdout]  6 |     InvalidProtocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     DecodeV4Error,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     #[error("Decode echo reply error occurred while processing the ICMP echo reply.")]
[INFO] [stdout] 12 |     DecodeEchoReplyError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ICMP_HEADER_SIZE` is never used
[INFO] [stdout]  --> src/icmp.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const ICMP_HEADER_SIZE: usize = 8;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]  --> src/icmp.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Error {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IcmpV4` is never constructed
[INFO] [stdout]   --> src/icmp.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct IcmpV4;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `ECHO_REQUEST_TYPE`, `ECHO_REQUEST_CODE`, `ECHO_REPLY_TYPE`, and `ECHO_REPLY_CODE` are never used
[INFO] [stdout]   --> src/icmp.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl IcmpV4 {
[INFO] [stdout]    | ----------- associated constants in this implementation
[INFO] [stdout] 25 |     const ECHO_REQUEST_TYPE: u8 = 8;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     const ECHO_REQUEST_CODE: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |     const ECHO_REPLY_TYPE: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     const ECHO_REPLY_CODE: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EchoRequest` is never constructed
[INFO] [stdout]   --> src/icmp.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct EchoRequest<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]   --> src/icmp.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<'a> EchoRequest<'a> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] 38 |     pub fn encode(&self, buffer: &mut [u8]) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EchoReply` is never constructed
[INFO] [stdout]   --> src/icmp.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct EchoReply<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]   --> src/icmp.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl<'a> EchoReply<'a> {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 63 |     pub fn decode(buffer: &'a [u8]) -> Result<Self, Error> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_checksum` is never used
[INFO] [stdout]   --> src/icmp.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn write_checksum(buffer: &mut [u8]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TOKEN_SIZE` is never used
[INFO] [stdout]   --> src/ping.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const TOKEN_SIZE: usize = 24;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ECHO_REQUEST_BUFFER_SIZE` is never used
[INFO] [stdout]   --> src/ping.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const ECHO_REQUEST_BUFFER_SIZE: usize = ICMP_HEADER_SIZE + TOKEN_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Token` is never used
[INFO] [stdout]   --> src/ping.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | type Token = [u8; TOKEN_SIZE];
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "c97ce5d74bfac71a902d5ad969f1de4193b61f36ba423b0652f4466b3699738c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97ce5d74bfac71a902d5ad969f1de4193b61f36ba423b0652f4466b3699738c", kill_on_drop: false }`
[INFO] [stdout] c97ce5d74bfac71a902d5ad969f1de4193b61f36ba423b0652f4466b3699738c
