[INFO] updating cached repository https://github.com/Fludixx/rustrock
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2df1ea72ccd2b8344833a07ea3bede475ca263c
[INFO] checking Fludixx/rustrock against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFludixx%2Frustrock" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fludixx/rustrock on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Fludixx/rustrock
[INFO] finished tweaking git repo https://github.com/Fludixx/rustrock
[INFO] tweaked toml for git repo https://github.com/Fludixx/rustrock written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9dac137ac4f8526a673dc3d2373920f701a2910c2e3ed265ff4cf6dbfda63026
[INFO] running `"docker" "start" "-a" "9dac137ac4f8526a673dc3d2373920f701a2910c2e3ed265ff4cf6dbfda63026"`
[INFO] [stderr]     Checking rustrock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::protocol::packet::PacketFlags`
[INFO] [stderr]  --> src/protocol/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::protocol::packet::PacketFlags;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SocketAddrV4`
[INFO] [stderr]   --> src/protocol/handler.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::net::{SocketAddr, SocketAddrV4};
[INFO] [stderr]    |                            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/protocol/packet.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/protocol/packet.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num::TryFromIntError`
[INFO] [stderr]  --> src/protocol/packet.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::num::TryFromIntError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::protocol::packet::PacketFlags`
[INFO] [stderr]  --> src/protocol/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::protocol::packet::PacketFlags;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SocketAddrV4`
[INFO] [stderr]   --> src/protocol/handler.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::net::{SocketAddr, SocketAddrV4};
[INFO] [stderr]    |                            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/protocol/packet.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/protocol/packet.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num::TryFromIntError`
[INFO] [stderr]  --> src/protocol/packet.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::num::TryFromIntError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sequence_number` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:158:17
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let mut sequence_number = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `record_count` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let mut record_count = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `packet_flags` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let mut packet_flags = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `body` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let mut body = None;
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `body` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             body = None;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sequence_number_range`
[INFO] [stderr]    --> src/protocol/packet.rs:174:17
[INFO] [stderr]     |
[INFO] [stderr] 174 |             let sequence_number_range = Some(SequenceNumberRange {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_sequence_number_range`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reliable_packets`
[INFO] [stderr]    --> src/protocol/packet.rs:188:21
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 let reliable_packets = Some(bytes.read_u24(7));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_reliable_packets`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `encapsulated` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:245:17
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let mut encapsulated = false;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `packet_id` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let mut packet_id = Some(PacketId::Unknown);
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sequence_number` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:158:17
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let mut sequence_number = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `record_count` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let mut record_count = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `packet_flags` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let mut packet_flags = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `addr`
[INFO] [stderr]  --> src/client.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     addr: SocketAddr,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last_update`
[INFO] [stderr]  --> src/client.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     last_update: SystemTime,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `body` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let mut body = None;
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `addr`
[INFO] [stderr]   --> src/client.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn addr(&self) -> SocketAddr {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `body` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             body = None;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sequence_number_range`
[INFO] [stderr]    --> src/protocol/packet.rs:174:17
[INFO] [stderr]     |
[INFO] [stderr] 174 |             let sequence_number_range = Some(SequenceNumberRange {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_sequence_number_range`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reliable_packets`
[INFO] [stderr]    --> src/protocol/packet.rs:188:21
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 let reliable_packets = Some(bytes.read_u24(7));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_reliable_packets`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `last_update`
[INFO] [stderr]   --> src/client.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn last_update(&self) -> SystemTime {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `guid`
[INFO] [stderr]   --> src/client.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn guid(&self) -> Option<u64> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_guid`
[INFO] [stderr]   --> src/client.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn has_guid(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_relationship`
[INFO] [stderr]   --> src/client.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn has_relationship(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `emergency`
[INFO] [stderr]   --> src/logger.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn emergency(string: &str) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_ack`
[INFO] [stderr]    --> src/protocol/packet.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn is_ack(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `encapsulated` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:245:17
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let mut encapsulated = false;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_nak`
[INFO] [stderr]    --> src/protocol/packet.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub fn is_nak(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_b_and_as`
[INFO] [stderr]    --> src/protocol/packet.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn has_b_and_as(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `needs_b_and_as`
[INFO] [stderr]    --> src/protocol/packet.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn needs_b_and_as(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_pair`
[INFO] [stderr]    --> src/protocol/packet.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn is_pair(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_connected_to_peer`
[INFO] [stderr]    --> src/protocol/packet.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn is_connected_to_peer(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `packet_id` is never read
[INFO] [stderr]    --> src/protocol/packet.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let mut packet_id = Some(PacketId::Unknown);
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_continuous_send`
[INFO] [stderr]    --> src/protocol/packet.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn is_continuous_send(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `block_addr`
[INFO] [stderr]   --> src/server.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn block_addr(&mut self, to_block: String, time_in_seconds: u64) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     server.join();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/protocol/handler.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 | /                 resp.push_string(format!(
[INFO] [stderr] 43 | |                     "MCPE;{};{};{};{};{};{};rustrock;{};",
[INFO] [stderr] 44 | |                     "rustrock",     // motd
[INFO] [stderr] 45 | |                     389,            // protocol
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |                     "Survival"      // gamemode
[INFO] [stderr] 51 | |                 ));
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/protocol/handler.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |             self.sock.as_ref().unwrap().send_to(&resp, src);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `addr`
[INFO] [stderr]  --> src/client.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     addr: SocketAddr,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last_update`
[INFO] [stderr]  --> src/client.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     last_update: SystemTime,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `addr`
[INFO] [stderr]   --> src/client.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn addr(&self) -> SocketAddr {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `last_update`
[INFO] [stderr]   --> src/client.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn last_update(&self) -> SystemTime {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `guid`
[INFO] [stderr]   --> src/client.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn guid(&self) -> Option<u64> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_guid`
[INFO] [stderr]   --> src/client.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn has_guid(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_relationship`
[INFO] [stderr]   --> src/client.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn has_relationship(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `emergency`
[INFO] [stderr]   --> src/logger.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn emergency(string: &str) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_ack`
[INFO] [stderr]    --> src/protocol/packet.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn is_ack(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_nak`
[INFO] [stderr]    --> src/protocol/packet.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub fn is_nak(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_b_and_as`
[INFO] [stderr]    --> src/protocol/packet.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn has_b_and_as(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `needs_b_and_as`
[INFO] [stderr]    --> src/protocol/packet.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn needs_b_and_as(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_pair`
[INFO] [stderr]    --> src/protocol/packet.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn is_pair(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_connected_to_peer`
[INFO] [stderr]    --> src/protocol/packet.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn is_connected_to_peer(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_continuous_send`
[INFO] [stderr]    --> src/protocol/packet.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn is_continuous_send(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `block_addr`
[INFO] [stderr]   --> src/server.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn block_addr(&mut self, to_block: String, time_in_seconds: u64) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     server.join();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/protocol/handler.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 | /                 resp.push_string(format!(
[INFO] [stderr] 43 | |                     "MCPE;{};{};{};{};{};{};rustrock;{};",
[INFO] [stderr] 44 | |                     "rustrock",     // motd
[INFO] [stderr] 45 | |                     389,            // protocol
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |                     "Survival"      // gamemode
[INFO] [stderr] 51 | |                 ));
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/protocol/handler.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |             self.sock.as_ref().unwrap().send_to(&resp, src);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "9dac137ac4f8526a673dc3d2373920f701a2910c2e3ed265ff4cf6dbfda63026"`
[INFO] running `"docker" "rm" "-f" "9dac137ac4f8526a673dc3d2373920f701a2910c2e3ed265ff4cf6dbfda63026"`
[INFO] [stdout] 9dac137ac4f8526a673dc3d2373920f701a2910c2e3ed265ff4cf6dbfda63026