Dec 04 06:07:26.312 INFO checking zgotsch/rs-blockchain against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 06:07:26.312 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 06:07:26.967 INFO [stdout] c12d5c62f6546698bd18bbed5df3ea62474c089f64e75758946a52f6757c8d30
Dec 04 06:07:26.973 INFO running `"docker" "start" "-a" "c12d5c62f6546698bd18bbed5df3ea62474c089f64e75758946a52f6757c8d30"`
Dec 04 06:07:28.034 INFO [stderr] usermod: no changes
Dec 04 06:07:28.215 INFO [stderr]    Compiling gcc v0.3.50
Dec 04 06:07:28.215 INFO [stderr]     Checking byteorder v1.0.0
Dec 04 06:07:28.223 INFO [stderr]     Checking num-traits v0.1.37
Dec 04 06:07:28.231 INFO [stderr]     Checking rustc-serialize v0.3.24
Dec 04 06:07:28.231 INFO [stderr]     Checking getopts v0.2.14
Dec 04 06:07:28.231 INFO [stderr]     Checking time v0.1.37
Dec 04 06:07:28.959 INFO [stderr]     Checking base64 v0.5.2
Dec 04 06:07:32.713 INFO [stderr]     Checking bincode v0.8.0
Dec 04 06:07:33.183 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 04 06:07:42.834 INFO [stderr]     Checking naivechain-rs v0.1.0 (/source)
Dec 04 06:07:43.691 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:07:43.691 INFO [stderr]    --> src/block.rs:120:9
Dec 04 06:07:43.691 INFO [stderr]     |
Dec 04 06:07:43.691 INFO [stderr] 120 |     let mut buf = &mut [0; 8];
Dec 04 06:07:43.691 INFO [stderr]     |         ----^^^
Dec 04 06:07:43.691 INFO [stderr]     |         |
Dec 04 06:07:43.691 INFO [stderr]     |         help: remove this `mut`
Dec 04 06:07:43.691 INFO [stderr]     |
Dec 04 06:07:43.691 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 06:07:43.691 INFO [stderr] 
Dec 04 06:07:43.691 INFO [stderr] warning: field is never used: `next_message_size`
Dec 04 06:07:43.691 INFO [stderr]   --> src/connection.rs:11:5
Dec 04 06:07:43.691 INFO [stderr]    |
Dec 04 06:07:43.691 INFO [stderr] 11 |     next_message_size: Option<u64>,
Dec 04 06:07:43.691 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:43.691 INFO [stderr]    |
Dec 04 06:07:43.691 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 06:07:43.691 INFO [stderr] 
Dec 04 06:07:43.791 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:07:43.791 INFO [stderr]    --> src/block.rs:120:9
Dec 04 06:07:43.791 INFO [stderr]     |
Dec 04 06:07:43.791 INFO [stderr] 120 |     let mut buf = &mut [0; 8];
Dec 04 06:07:43.791 INFO [stderr]     |         ----^^^
Dec 04 06:07:43.791 INFO [stderr]     |         |
Dec 04 06:07:43.791 INFO [stderr]     |         help: remove this `mut`
Dec 04 06:07:43.791 INFO [stderr]     |
Dec 04 06:07:43.791 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 06:07:43.791 INFO [stderr] 
Dec 04 06:07:43.795 INFO [stderr] warning: field is never used: `next_message_size`
Dec 04 06:07:43.795 INFO [stderr]   --> src/connection.rs:11:5
Dec 04 06:07:43.795 INFO [stderr]    |
Dec 04 06:07:43.795 INFO [stderr] 11 |     next_message_size: Option<u64>,
Dec 04 06:07:43.795 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:43.795 INFO [stderr]    |
Dec 04 06:07:43.827 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 06:07:43.827 INFO [stderr] 
Dec 04 06:07:44.277 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 06:07:44.277 INFO [stderr]  --> src/bin/main.rs:3:1
Dec 04 06:07:44.277 INFO [stderr]   |
Dec 04 06:07:44.277 INFO [stderr] 3 | #[macro_use]
Dec 04 06:07:44.277 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 06:07:44.277 INFO [stderr]   |
Dec 04 06:07:44.277 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:07:44.277 INFO [stderr] 
Dec 04 06:07:44.277 INFO [stderr] warning: unused import: `std::error::Error`
Dec 04 06:07:44.277 INFO [stderr]   --> src/bin/main.rs:13:5
Dec 04 06:07:44.277 INFO [stderr]    |
Dec 04 06:07:44.277 INFO [stderr] 13 | use std::error::Error;
Dec 04 06:07:44.277 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.277 INFO [stderr] 
Dec 04 06:07:44.277 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 06:07:44.277 INFO [stderr]   --> src/bin/main.rs:14:5
Dec 04 06:07:44.277 INFO [stderr]    |
Dec 04 06:07:44.277 INFO [stderr] 14 | use std::fs::File;
Dec 04 06:07:44.277 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 06:07:44.277 INFO [stderr] 
Dec 04 06:07:44.277 INFO [stderr] warning: unused import: `std::path::Path`
Dec 04 06:07:44.277 INFO [stderr]   --> src/bin/main.rs:15:5
Dec 04 06:07:44.277 INFO [stderr]    |
Dec 04 06:07:44.277 INFO [stderr] 15 | use std::path::Path;
Dec 04 06:07:44.277 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 06:07:44.278 INFO [stderr] 
Dec 04 06:07:44.278 INFO [stderr] warning: unused import: `std::net::ToSocketAddrs`
Dec 04 06:07:44.278 INFO [stderr]   --> src/bin/main.rs:18:5
Dec 04 06:07:44.278 INFO [stderr]    |
Dec 04 06:07:44.278 INFO [stderr] 18 | use std::net::ToSocketAddrs;
Dec 04 06:07:44.278 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.278 INFO [stderr] 
Dec 04 06:07:44.279 INFO [stderr] warning: unused imports: `Infinite`, `serialize`
Dec 04 06:07:44.279 INFO [stderr]   --> src/bin/main.rs:24:15
Dec 04 06:07:44.279 INFO [stderr]    |
Dec 04 06:07:44.279 INFO [stderr] 24 | use bincode::{serialize, deserialize, Infinite};
Dec 04 06:07:44.279 INFO [stderr]    |               ^^^^^^^^^               ^^^^^^^^
Dec 04 06:07:44.279 INFO [stderr] 
Dec 04 06:07:44.350 INFO [stderr] warning: unused import: `TcpStream`
Dec 04 06:07:44.350 INFO [stderr]  --> src/bin/nameserver.rs:1:29
Dec 04 06:07:44.351 INFO [stderr]   |
Dec 04 06:07:44.351 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddr};
Dec 04 06:07:44.351 INFO [stderr]   |                             ^^^^^^^^^
Dec 04 06:07:44.363 INFO [stderr]   |
Dec 04 06:07:44.363 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:07:44.363 INFO [stderr] 
Dec 04 06:07:44.364 INFO [stderr] warning: unused import: `std::net::ToSocketAddrs`
Dec 04 06:07:44.364 INFO [stderr]  --> src/bin/nameserver.rs:7:5
Dec 04 06:07:44.364 INFO [stderr]   |
Dec 04 06:07:44.364 INFO [stderr] 7 | use std::net::ToSocketAddrs;
Dec 04 06:07:44.365 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.365 INFO [stderr] 
Dec 04 06:07:44.365 INFO [stderr] warning: unused import: `ClientMessage`
Dec 04 06:07:44.365 INFO [stderr]   --> src/bin/nameserver.rs:12:30
Dec 04 06:07:44.365 INFO [stderr]    |
Dec 04 06:07:44.366 INFO [stderr] 12 | use naivechain_rs::message::{ClientMessage, ClientToNameserverMessage, NameserverToClientMessage};
Dec 04 06:07:44.366 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 04 06:07:44.367 INFO [stderr] 
Dec 04 06:07:44.398 INFO [stderr] warning: unused import: `TcpStream`
Dec 04 06:07:44.399 INFO [stderr]  --> src/bin/nameserver.rs:1:29
Dec 04 06:07:44.399 INFO [stderr]   |
Dec 04 06:07:44.399 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddr};
Dec 04 06:07:44.399 INFO [stderr]   |                             ^^^^^^^^^
Dec 04 06:07:44.415 INFO [stderr]   |
Dec 04 06:07:44.415 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:07:44.416 INFO [stderr] 
Dec 04 06:07:44.416 INFO [stderr] warning: unused import: `std::net::ToSocketAddrs`
Dec 04 06:07:44.416 INFO [stderr]  --> src/bin/nameserver.rs:7:5
Dec 04 06:07:44.416 INFO [stderr]   |
Dec 04 06:07:44.417 INFO [stderr] 7 | use std::net::ToSocketAddrs;
Dec 04 06:07:44.417 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.417 INFO [stderr] 
Dec 04 06:07:44.417 INFO [stderr] warning: unused import: `ClientMessage`
Dec 04 06:07:44.418 INFO [stderr]   --> src/bin/nameserver.rs:12:30
Dec 04 06:07:44.418 INFO [stderr]    |
Dec 04 06:07:44.418 INFO [stderr] 12 | use naivechain_rs::message::{ClientMessage, ClientToNameserverMessage, NameserverToClientMessage};
Dec 04 06:07:44.418 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 04 06:07:44.419 INFO [stderr] 
Dec 04 06:07:44.471 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 06:07:44.471 INFO [stderr]  --> src/bin/main.rs:3:1
Dec 04 06:07:44.471 INFO [stderr]   |
Dec 04 06:07:44.471 INFO [stderr] 3 | #[macro_use]
Dec 04 06:07:44.471 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 06:07:44.471 INFO [stderr]   |
Dec 04 06:07:44.471 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:07:44.471 INFO [stderr] 
Dec 04 06:07:44.471 INFO [stderr] warning: unused import: `std::error::Error`
Dec 04 06:07:44.471 INFO [stderr]   --> src/bin/main.rs:13:5
Dec 04 06:07:44.472 INFO [stderr]    |
Dec 04 06:07:44.473 INFO [stderr] 13 | use std::error::Error;
Dec 04 06:07:44.473 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.473 INFO [stderr] 
Dec 04 06:07:44.473 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 06:07:44.473 INFO [stderr]   --> src/bin/main.rs:14:5
Dec 04 06:07:44.474 INFO [stderr]    |
Dec 04 06:07:44.474 INFO [stderr] 14 | use std::fs::File;
Dec 04 06:07:44.474 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 06:07:44.474 INFO [stderr] 
Dec 04 06:07:44.475 INFO [stderr] warning: unused import: `std::path::Path`
Dec 04 06:07:44.475 INFO [stderr]   --> src/bin/main.rs:15:5
Dec 04 06:07:44.475 INFO [stderr]    |
Dec 04 06:07:44.475 INFO [stderr] 15 | use std::path::Path;
Dec 04 06:07:44.475 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 06:07:44.475 INFO [stderr] 
Dec 04 06:07:44.475 INFO [stderr] warning: unused import: `std::net::ToSocketAddrs`
Dec 04 06:07:44.475 INFO [stderr]   --> src/bin/main.rs:18:5
Dec 04 06:07:44.475 INFO [stderr]    |
Dec 04 06:07:44.475 INFO [stderr] 18 | use std::net::ToSocketAddrs;
Dec 04 06:07:44.475 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.479 INFO [stderr] 
Dec 04 06:07:44.479 INFO [stderr] warning: unused imports: `Infinite`, `serialize`
Dec 04 06:07:44.479 INFO [stderr]   --> src/bin/main.rs:24:15
Dec 04 06:07:44.479 INFO [stderr]    |
Dec 04 06:07:44.479 INFO [stderr] 24 | use bincode::{serialize, deserialize, Infinite};
Dec 04 06:07:44.479 INFO [stderr]    |               ^^^^^^^^^               ^^^^^^^^
Dec 04 06:07:44.479 INFO [stderr] 
Dec 04 06:07:44.507 INFO [stderr] warning: unused import: `std::io::Read`
Dec 04 06:07:44.507 INFO [stderr]  --> src/bin/nameserver.rs:3:5
Dec 04 06:07:44.507 INFO [stderr]   |
Dec 04 06:07:44.507 INFO [stderr] 3 | use std::io::Read;
Dec 04 06:07:44.507 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 06:07:44.507 INFO [stderr] 
Dec 04 06:07:44.564 INFO [stderr] warning: unused import: `std::io::Read`
Dec 04 06:07:44.564 INFO [stderr]  --> src/bin/nameserver.rs:3:5
Dec 04 06:07:44.564 INFO [stderr]   |
Dec 04 06:07:44.564 INFO [stderr] 3 | use std::io::Read;
Dec 04 06:07:44.564 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 06:07:44.564 INFO [stderr] 
Dec 04 06:07:44.606 INFO [stderr] warning: unreachable pattern
Dec 04 06:07:44.606 INFO [stderr]    --> src/bin/main.rs:315:21
Dec 04 06:07:44.606 INFO [stderr]     |
Dec 04 06:07:44.606 INFO [stderr] 315 |                     Ok(_) => {println!("Unhandled command");},
Dec 04 06:07:44.606 INFO [stderr]     |                     ^^^^^
Dec 04 06:07:44.606 INFO [stderr]     |
Dec 04 06:07:44.606 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 04 06:07:44.606 INFO [stderr] 
Dec 04 06:07:44.660 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:07:44.660 INFO [stderr]    --> src/bin/main.rs:188:9
Dec 04 06:07:44.660 INFO [stderr]     |
Dec 04 06:07:44.660 INFO [stderr] 188 |     let mut nameserver_stream = TcpStream::connect(nameserver_str).expect("Couldn't connet to nameserver");
Dec 04 06:07:44.660 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.660 INFO [stderr]     |         |
Dec 04 06:07:44.660 INFO [stderr]     |         help: remove this `mut`
Dec 04 06:07:44.660 INFO [stderr]     |
Dec 04 06:07:44.660 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 06:07:44.660 INFO [stderr] 
Dec 04 06:07:44.660 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:07:44.660 INFO [stderr]    --> src/bin/main.rs:206:9
Dec 04 06:07:44.660 INFO [stderr]     |
Dec 04 06:07:44.660 INFO [stderr] 206 |     let mut peers: Arc<Mutex<Vec<Arc<Mutex<Connection>>>>> = Arc::new(Mutex::new(Vec::new()));
Dec 04 06:07:44.660 INFO [stderr]     |         ----^^^^^
Dec 04 06:07:44.660 INFO [stderr]     |         |
Dec 04 06:07:44.660 INFO [stderr]     |         help: remove this `mut`
Dec 04 06:07:44.660 INFO [stderr] 
Dec 04 06:07:44.661 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.661 INFO [stderr]   --> src/bin/main.rs:76:29
Dec 04 06:07:44.661 INFO [stderr]    |
Dec 04 06:07:44.661 INFO [stderr] 76 |                             connection.write_message(&ClientMessage::Chain(chain.clone()));
Dec 04 06:07:44.661 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.662 INFO [stderr]    |
Dec 04 06:07:44.662 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 06:07:44.662 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.662 INFO [stderr] 
Dec 04 06:07:44.662 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.662 INFO [stderr]   --> src/bin/main.rs:95:33
Dec 04 06:07:44.662 INFO [stderr]    |
Dec 04 06:07:44.663 INFO [stderr] 95 |                                 connection.write_message(&ClientMessage::QueryChain);
Dec 04 06:07:44.663 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.663 INFO [stderr]    |
Dec 04 06:07:44.663 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.663 INFO [stderr] 
Dec 04 06:07:44.664 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.664 INFO [stderr]    --> src/bin/main.rs:212:5
Dec 04 06:07:44.664 INFO [stderr]     |
Dec 04 06:07:44.664 INFO [stderr] 212 |     nameserver_connection.write_message(&ClientToNameserverMessage::Query);
Dec 04 06:07:44.664 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.664 INFO [stderr]     |
Dec 04 06:07:44.665 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.665 INFO [stderr] 
Dec 04 06:07:44.665 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.665 INFO [stderr]    --> src/bin/main.rs:268:5
Dec 04 06:07:44.666 INFO [stderr]     |
Dec 04 06:07:44.666 INFO [stderr] 268 |     nameserver_connection.write_message(&ClientToNameserverMessage::Inform(my_addr.port()));
Dec 04 06:07:44.666 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.666 INFO [stderr]     |
Dec 04 06:07:44.666 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.666 INFO [stderr] 
Dec 04 06:07:44.667 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.667 INFO [stderr]    --> src/bin/main.rs:291:33
Dec 04 06:07:44.667 INFO [stderr]     |
Dec 04 06:07:44.667 INFO [stderr] 291 |                                 peer.write_message(&ClientMessage::NewBlock(new_block.clone()));
Dec 04 06:07:44.667 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.667 INFO [stderr]     |
Dec 04 06:07:44.667 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.667 INFO [stderr] 
Dec 04 06:07:44.667 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.667 INFO [stderr]    --> src/bin/main.rs:357:5
Dec 04 06:07:44.668 INFO [stderr]     |
Dec 04 06:07:44.668 INFO [stderr] 357 |     repl_thread.join();
Dec 04 06:07:44.668 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.668 INFO [stderr]     |
Dec 04 06:07:44.668 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.668 INFO [stderr] 
Dec 04 06:07:44.668 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.668 INFO [stderr]    --> src/bin/main.rs:358:5
Dec 04 06:07:44.668 INFO [stderr]     |
Dec 04 06:07:44.668 INFO [stderr] 358 |     listener_thread.join();
Dec 04 06:07:44.668 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.669 INFO [stderr]     |
Dec 04 06:07:44.669 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.669 INFO [stderr] 
Dec 04 06:07:44.819 INFO [stderr] warning: unreachable pattern
Dec 04 06:07:44.819 INFO [stderr]    --> src/bin/main.rs:315:21
Dec 04 06:07:44.819 INFO [stderr]     |
Dec 04 06:07:44.819 INFO [stderr] 315 |                     Ok(_) => {println!("Unhandled command");},
Dec 04 06:07:44.819 INFO [stderr]     |                     ^^^^^
Dec 04 06:07:44.819 INFO [stderr]     |
Dec 04 06:07:44.819 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 04 06:07:44.819 INFO [stderr] 
Dec 04 06:07:44.883 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:07:44.883 INFO [stderr]    --> src/bin/main.rs:188:9
Dec 04 06:07:44.883 INFO [stderr]     |
Dec 04 06:07:44.883 INFO [stderr] 188 |     let mut nameserver_stream = TcpStream::connect(nameserver_str).expect("Couldn't connet to nameserver");
Dec 04 06:07:44.883 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.883 INFO [stderr]     |         |
Dec 04 06:07:44.883 INFO [stderr]     |         help: remove this `mut`
Dec 04 06:07:44.883 INFO [stderr]     |
Dec 04 06:07:44.883 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 06:07:44.883 INFO [stderr] 
Dec 04 06:07:44.883 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:07:44.883 INFO [stderr]    --> src/bin/main.rs:206:9
Dec 04 06:07:44.883 INFO [stderr]     |
Dec 04 06:07:44.883 INFO [stderr] 206 |     let mut peers: Arc<Mutex<Vec<Arc<Mutex<Connection>>>>> = Arc::new(Mutex::new(Vec::new()));
Dec 04 06:07:44.883 INFO [stderr]     |         ----^^^^^
Dec 04 06:07:44.883 INFO [stderr]     |         |
Dec 04 06:07:44.883 INFO [stderr]     |         help: remove this `mut`
Dec 04 06:07:44.883 INFO [stderr] 
Dec 04 06:07:44.883 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.883 INFO [stderr]   --> src/bin/main.rs:76:29
Dec 04 06:07:44.883 INFO [stderr]    |
Dec 04 06:07:44.883 INFO [stderr] 76 |                             connection.write_message(&ClientMessage::Chain(chain.clone()));
Dec 04 06:07:44.883 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.883 INFO [stderr]    |
Dec 04 06:07:44.883 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 06:07:44.883 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.883 INFO [stderr] 
Dec 04 06:07:44.883 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.883 INFO [stderr]   --> src/bin/main.rs:95:33
Dec 04 06:07:44.883 INFO [stderr]    |
Dec 04 06:07:44.883 INFO [stderr] 95 |                                 connection.write_message(&ClientMessage::QueryChain);
Dec 04 06:07:44.883 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.883 INFO [stderr]    |
Dec 04 06:07:44.883 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.883 INFO [stderr] 
Dec 04 06:07:44.883 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.883 INFO [stderr]    --> src/bin/main.rs:212:5
Dec 04 06:07:44.883 INFO [stderr]     |
Dec 04 06:07:44.883 INFO [stderr] 212 |     nameserver_connection.write_message(&ClientToNameserverMessage::Query);
Dec 04 06:07:44.883 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.883 INFO [stderr]     |
Dec 04 06:07:44.883 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.883 INFO [stderr] 
Dec 04 06:07:44.883 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.884 INFO [stderr]    --> src/bin/main.rs:268:5
Dec 04 06:07:44.884 INFO [stderr]     |
Dec 04 06:07:44.884 INFO [stderr] 268 |     nameserver_connection.write_message(&ClientToNameserverMessage::Inform(my_addr.port()));
Dec 04 06:07:44.884 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.884 INFO [stderr]     |
Dec 04 06:07:44.884 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.884 INFO [stderr] 
Dec 04 06:07:44.884 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.884 INFO [stderr]    --> src/bin/main.rs:291:33
Dec 04 06:07:44.884 INFO [stderr]     |
Dec 04 06:07:44.884 INFO [stderr] 291 |                                 peer.write_message(&ClientMessage::NewBlock(new_block.clone()));
Dec 04 06:07:44.884 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.884 INFO [stderr]     |
Dec 04 06:07:44.884 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.884 INFO [stderr] 
Dec 04 06:07:44.884 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.884 INFO [stderr]    --> src/bin/main.rs:357:5
Dec 04 06:07:44.884 INFO [stderr]     |
Dec 04 06:07:44.884 INFO [stderr] 357 |     repl_thread.join();
Dec 04 06:07:44.884 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.884 INFO [stderr]     |
Dec 04 06:07:44.884 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.884 INFO [stderr] 
Dec 04 06:07:44.884 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 06:07:44.884 INFO [stderr]    --> src/bin/main.rs:358:5
Dec 04 06:07:44.884 INFO [stderr]     |
Dec 04 06:07:44.884 INFO [stderr] 358 |     listener_thread.join();
Dec 04 06:07:44.884 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:07:44.884 INFO [stderr]     |
Dec 04 06:07:44.884 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 06:07:44.884 INFO [stderr] 
Dec 04 06:07:44.933 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.86s
Dec 04 06:07:44.939 INFO [stderr] su: No module specific data is present
Dec 04 06:07:45.735 INFO running `"docker" "inspect" "c12d5c62f6546698bd18bbed5df3ea62474c089f64e75758946a52f6757c8d30"`
Dec 04 06:07:46.034 INFO running `"docker" "rm" "-f" "c12d5c62f6546698bd18bbed5df3ea62474c089f64e75758946a52f6757c8d30"`
Dec 04 06:07:46.321 INFO [stdout] c12d5c62f6546698bd18bbed5df3ea62474c089f64e75758946a52f6757c8d30