[INFO] crate string_telephone 0.0.3 is already in cache
[INFO] testing string_telephone-0.0.3 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate string_telephone 0.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate string_telephone 0.0.3 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate string_telephone 0.0.3
[INFO] finished tweaking crates.io crate string_telephone 0.0.3
[INFO] tweaked toml for crates.io crate string_telephone 0.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f76d1402db66bac8010171a2fc1650f7969dd043578edf2bda67a80cfe5aa39
[INFO] running `"docker" "start" "-a" "5f76d1402db66bac8010171a2fc1650f7969dd043578edf2bda67a80cfe5aa39"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling string_telephone v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/packet.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io::{IoResult, IoError, OtherIoError};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/packet.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::old_io::BufReader;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::FromPrimitive`
[INFO] [stderr]  --> src/packet.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::num::FromPrimitive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `FromPrimitive` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/client.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io::net::udp::UdpSocket;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/client.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::old_io::net::ip::SocketAddr;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::time::duration`
[INFO] [stderr]  --> src/shared.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::duration::Duration;
[INFO] [stderr]   |                ^^^^^^^^ could not find `duration` in `time`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/client.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::old_io::{IoResult, IoError, OtherIoError, TimedOut};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/client.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::old_io::Timer;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::sync::mpsc::Select`
[INFO] [stderr]  --> src/client.rs:5:64
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::mpsc::{Sender, Receiver, TryRecvError, channel, Select};
[INFO] [stderr]   |                                                                ^^^^^^ no `Select` in `sync::mpsc`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/server.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io::net::udp::UdpSocket;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/server.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::old_io::net::ip::{SocketAddr, Ipv4Addr, Ipv6Addr};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::time::duration`
[INFO] [stderr]  --> src/client.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::duration::Duration;
[INFO] [stderr]   |                ^^^^^^^^ could not find `duration` in `time`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/server.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::old_io::{IoResult, TimedOut};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::sync::mpsc::Select`
[INFO] [stderr]  --> src/server.rs:4:64
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::mpsc::{Sender, Receiver, TryRecvError, channel, Select};
[INFO] [stderr]   |                                                                ^^^^^^ no `Select` in `sync::mpsc`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the derive macro `FromPrimitive`
[INFO] [stderr]  --> src/packet.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(FromPrimitive, Clone, Show, PartialEq, Copy)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot find derive macro `Show` in this scope
[INFO] [stderr]  --> src/packet.rs:6:32
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(FromPrimitive, Clone, Show, PartialEq, Copy)]
[INFO] [stderr]   |                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `unsafe_destructor` in this scope
[INFO] [stderr]    --> src/client.rs:307:3
[INFO] [stderr]     |
[INFO] [stderr] 307 | #[unsafe_destructor]
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `unsafe_destructor` in this scope
[INFO] [stderr]    --> src/server.rs:283:3
[INFO] [stderr]     |
[INFO] [stderr] 283 | #[unsafe_destructor]
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `UdpSocket`
[INFO] [stderr]    --> src/client.rs:152:16
[INFO] [stderr]     |
[INFO] [stderr] 152 |          match UdpSocket::bind(addr) {
[INFO] [stderr]     |                ^^^^^^^^^ use of undeclared type or module `UdpSocket`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `UdpSocket`
[INFO] [stderr]    --> src/server.rs:125:15
[INFO] [stderr]     |
[INFO] [stderr] 125 |         match UdpSocket::bind(addr) {
[INFO] [stderr]     |               ^^^^^^^^^ use of undeclared type or module `UdpSocket`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UdpSocket` in this scope
[INFO] [stderr]   --> src/client.rs:30:31
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn reader_process(mut reader: UdpSocket, send: Sender<Packet>, recv: Receiver<TaskCommand>, target_addr: SocketAddr, protocol_id: u32, timeout_period: Duration) {
[INFO] [stderr]    |                               ^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this struct
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::UdpSocket;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]   --> src/client.rs:30:106
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn reader_process(mut reader: UdpSocket, send: Sender<Packet>, recv: Receiver<TaskCommand>, target_addr: SocketAddr, protocol_id: u32, timeout_period: Duration) {
[INFO] [stderr]    |                                                                                                          ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UdpSocket` in this scope
[INFO] [stderr]   --> src/client.rs:87:31
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn writer_process(mut writer: UdpSocket, recv: Receiver<Packet>, target_addr: SocketAddr) {
[INFO] [stderr]    |                               ^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this struct
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::UdpSocket;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]   --> src/client.rs:87:79
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn writer_process(mut writer: UdpSocket, recv: Receiver<Packet>, target_addr: SocketAddr) {
[INFO] [stderr]    |                                                                               ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/client.rs:106:15
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub addr: SocketAddr,
[INFO] [stderr]     |               ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/client.rs:108:22
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub target_addr: SocketAddr,
[INFO] [stderr]     |                      ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/client.rs:151:26
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn connect(addr: SocketAddr, target_addr: SocketAddr, config: ConnectionConfig<T>, client_connection_config: ClientConnectionConfig) -> IoResult<Client<T>> {
[INFO] [stderr]     |                          ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/client.rs:151:51
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn connect(addr: SocketAddr, target_addr: SocketAddr, config: ConnectionConfig<T>, client_connection_config: ClientConnectionConfig) -> IoResult<Client<T>> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]   --> src/server.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn hash_sender(address: &SocketAddr) -> String {
[INFO] [stderr]    |                          ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `Ipv4Addr` in this scope
[INFO] [stderr]   --> src/server.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Ipv4Addr(a, b, c, d) => {
[INFO] [stderr]    |         ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `Ipv6Addr` in this scope
[INFO] [stderr]   --> src/server.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         Ipv6Addr(a, b, c, d, e, f, g, h) => {
[INFO] [stderr]    |         ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]   --> src/server.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 26 |     addr: SocketAddr,
[INFO] [stderr]    |           ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]   --> src/server.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(addr: SocketAddr, timeout: i64) -> ClientInstance {
[INFO] [stderr]    |                      ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UdpSocket` in this scope
[INFO] [stderr]   --> src/server.rs:55:31
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn reader_process(mut reader: UdpSocket, reader_sub_out: Sender<(Packet, SocketAddr)>, reader_sub_in: Receiver<TaskCommand>, protocol_id: u32) {
[INFO] [stderr]    |                               ^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this struct
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::UdpSocket;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]   --> src/server.rs:55:74
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn reader_process(mut reader: UdpSocket, reader_sub_out: Sender<(Packet, SocketAddr)>, reader_sub_in: Receiver<TaskCommand>, protocol_id: u32) {
[INFO] [stderr]    |                                                                          ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UdpSocket` in this scope
[INFO] [stderr]   --> src/server.rs:90:31
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn writer_process(mut writer: UdpSocket, _writer_sub_out: Sender<TaskCommand>, writer_sub_in: Receiver<(Packet, SocketAddr)>) {
[INFO] [stderr]    |                               ^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this struct
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::UdpSocket;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]   --> src/server.rs:90:113
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn writer_process(mut writer: UdpSocket, _writer_sub_out: Sender<TaskCommand>, writer_sub_in: Receiver<(Packet, SocketAddr)>) {
[INFO] [stderr]    |                                                                                                                 ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::os::unix::net::SocketAddr;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/server.rs:109:15
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub addr: SocketAddr,
[INFO] [stderr]     |               ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/server.rs:114:39
[INFO] [stderr]     |
[INFO] [stderr] 114 |     reader_receive: Receiver<(Packet, SocketAddr)>,
[INFO] [stderr]     |                                       ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/server.rs:115:34
[INFO] [stderr]     |
[INFO] [stderr] 115 |     writer_send: Sender<(Packet, SocketAddr)>,
[INFO] [stderr]     |                                  ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/server.rs:124:22
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn new(addr: SocketAddr, config: ConnectionConfig<T>) -> IoResult<Server<T>> {
[INFO] [stderr]     |                      ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/server.rs:162:59
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn poll(&mut self) -> Option<(PacketOrCommand<T>, SocketAddr)> {
[INFO] [stderr]     |                                                           ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/server.rs:221:35
[INFO] [stderr]     |
[INFO] [stderr] 221 |     pub fn cull(&mut self) -> Vec<SocketAddr> {
[INFO] [stderr]     |                                   ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/server.rs:246:50
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn send_to(&mut self, packet: &T, addr: &SocketAddr) -> bool {
[INFO] [stderr]     |                                                  ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/server.rs:260:60
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub fn send_to_many(&mut self, packet: &T, addrs: &Vec<SocketAddr>) {
[INFO] [stderr]     |                                                            ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `SocketAddr` in this scope
[INFO] [stderr]    --> src/server.rs:278:42
[INFO] [stderr]     |
[INFO] [stderr] 278 |     pub fn all_connections(&self) -> Vec<SocketAddr> {
[INFO] [stderr]     |                                          ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing one of these items
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::os::unix::net::SocketAddr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(unsafe_destructor)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:80:27
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let protocol_id = try!(r.read_be_u32());
[INFO] [stderr]    |                           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:81:27
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let sequence_id = try!(r.read_be_u16());
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:82:27
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let packet_type = try!(r.read_byte());
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:83:23
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let content = try!(r.read_to_end());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(w.write_be_u32(self.protocol_id));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(w.write_be_u16(self.sequence_id));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         try!(w.write_u8(self.packet_type as u8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 try!(w.write(content.as_slice()))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write_be_u32` found for struct `std::vec::Vec<_>` in the current scope
[INFO] [stderr]    --> src/packet.rs:105:16
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(w.write_be_u32(self.protocol_id));
[INFO] [stderr]     |                ^^^^^^^^^^^^ method not found in `std::vec::Vec<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write_be_u16` found for struct `std::vec::Vec<_>` in the current scope
[INFO] [stderr]    --> src/packet.rs:106:16
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(w.write_be_u16(self.sequence_id));
[INFO] [stderr]     |                ^^^^^^^^^^^^ method not found in `std::vec::Vec<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write_u8` found for struct `std::vec::Vec<_>` in the current scope
[INFO] [stderr]    --> src/packet.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |         try!(w.write_u8(self.packet_type as u8));
[INFO] [stderr]     |                ^^^^^^^^ method not found in `std::vec::Vec<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `std::vec::Vec<_>` in the current scope
[INFO] [stderr]     --> src/packet.rs:110:24
[INFO] [stderr]      |
[INFO] [stderr] 110  |                 try!(w.write(content.as_slice()))
[INFO] [stderr]      |                        ^^^^^ method not found in `std::vec::Vec<_>`
[INFO] [stderr]      |
[INFO] [stderr]      = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]      = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]              `use std::io::Write;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_to` found for array `[{integer}; 1024]` in the current scope
[INFO] [stderr]   --> src/client.rs:40:51
[INFO] [stderr]    |
[INFO] [stderr] 40 |                     match Packet::deserialize(buf.slice_to(amt)) {
[INFO] [stderr]    |                                                   ^^^^^^^^ method not found in `[{integer}; 1024]`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `spawn` found for struct `std::thread::Thread` in the current scope
[INFO] [stderr]    --> src/client.rs:162:25
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 Thread::spawn(move || {
[INFO] [stderr]     |                         ^^^^^ function or associated item not found in `std::thread::Thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `spawn` found for struct `std::thread::Thread` in the current scope
[INFO] [stderr]    --> src/client.rs:168:25
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 Thread::spawn(move || {
[INFO] [stderr]     |                         ^^^^^ function or associated item not found in `std::thread::Thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_to` found for array `[{integer}; 1024]` in the current scope
[INFO] [stderr]   --> src/server.rs:61:47
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 match Packet::deserialize(buf.slice_to(amt)) {
[INFO] [stderr]    |                                               ^^^^^^^^ method not found in `[{integer}; 1024]`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `spawn` found for struct `std::thread::Thread` in the current scope
[INFO] [stderr]    --> src/server.rs:133:25
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 Thread::spawn(move || {
[INFO] [stderr]     |                         ^^^^^ function or associated item not found in `std::thread::Thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `spawn` found for struct `std::thread::Thread` in the current scope
[INFO] [stderr]    --> src/server.rs:140:25
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 Thread::spawn(move || {
[INFO] [stderr]     |                         ^^^^^ function or associated item not found in `std::thread::Thread`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 57 previous errors; 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0433, E0531, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `string_telephone`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5f76d1402db66bac8010171a2fc1650f7969dd043578edf2bda67a80cfe5aa39"`
[INFO] running `"docker" "rm" "-f" "5f76d1402db66bac8010171a2fc1650f7969dd043578edf2bda67a80cfe5aa39"`
[INFO] [stdout] 5f76d1402db66bac8010171a2fc1650f7969dd043578edf2bda67a80cfe5aa39