Dec 05 00:01:33.920 INFO testing zgotsch/rs-blockchain against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 00:01:33.920 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 05 00:01:34.084 INFO [stdout] 69ed09a42820adef2439769087df205fb66ccf715e035658d75a4e4ac65ec19d
Dec 05 00:01:34.086 INFO running `"docker" "start" "-a" "69ed09a42820adef2439769087df205fb66ccf715e035658d75a4e4ac65ec19d"`
Dec 05 00:01:34.522 INFO [stderr] usermod: no changes
Dec 05 00:01:34.574 INFO [stderr]    Compiling gcc v0.3.50
Dec 05 00:01:34.574 INFO [stderr]    Compiling byteorder v1.0.0
Dec 05 00:01:34.574 INFO [stderr]    Compiling num-traits v0.1.37
Dec 05 00:01:34.578 INFO [stderr]    Compiling getopts v0.2.14
Dec 05 00:01:34.578 INFO [stderr]    Compiling time v0.1.37
Dec 05 00:01:35.327 INFO [stderr]    Compiling base64 v0.5.2
Dec 05 00:01:37.735 INFO [stderr]    Compiling bincode v0.8.0
Dec 05 00:01:37.852 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 05 00:01:44.433 INFO [stderr]    Compiling naivechain-rs v0.1.0 (/source)
Dec 05 00:01:44.932 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:01:44.932 INFO [stderr]    --> src/block.rs:120:9
Dec 05 00:01:44.932 INFO [stderr]     |
Dec 05 00:01:44.932 INFO [stderr] 120 |     let mut buf = &mut [0; 8];
Dec 05 00:01:44.932 INFO [stderr]     |         ----^^^
Dec 05 00:01:44.932 INFO [stderr]     |         |
Dec 05 00:01:44.932 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:01:44.932 INFO [stderr]     |
Dec 05 00:01:44.932 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 00:01:44.932 INFO [stderr] 
Dec 05 00:01:44.940 INFO [stderr] warning: field is never used: `next_message_size`
Dec 05 00:01:44.940 INFO [stderr]   --> src/connection.rs:11:5
Dec 05 00:01:44.940 INFO [stderr]    |
Dec 05 00:01:44.940 INFO [stderr] 11 |     next_message_size: Option<u64>,
Dec 05 00:01:44.940 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:44.940 INFO [stderr]    |
Dec 05 00:01:44.940 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 00:01:44.940 INFO [stderr] 
Dec 05 00:01:45.496 INFO [stderr] warning: unused import: `TcpStream`
Dec 05 00:01:45.496 INFO [stderr]  --> src/bin/nameserver.rs:1:29
Dec 05 00:01:45.496 INFO [stderr]   |
Dec 05 00:01:45.496 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddr};
Dec 05 00:01:45.496 INFO [stderr]   |                             ^^^^^^^^^
Dec 05 00:01:45.496 INFO [stderr]   |
Dec 05 00:01:45.496 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:01:45.496 INFO [stderr] 
Dec 05 00:01:45.496 INFO [stderr] warning: unused import: `std::net::ToSocketAddrs`
Dec 05 00:01:45.496 INFO [stderr]  --> src/bin/nameserver.rs:7:5
Dec 05 00:01:45.496 INFO [stderr]   |
Dec 05 00:01:45.496 INFO [stderr] 7 | use std::net::ToSocketAddrs;
Dec 05 00:01:45.496 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.496 INFO [stderr] 
Dec 05 00:01:45.496 INFO [stderr] warning: unused import: `ClientMessage`
Dec 05 00:01:45.496 INFO [stderr]   --> src/bin/nameserver.rs:12:30
Dec 05 00:01:45.496 INFO [stderr]    |
Dec 05 00:01:45.496 INFO [stderr] 12 | use naivechain_rs::message::{ClientMessage, ClientToNameserverMessage, NameserverToClientMessage};
Dec 05 00:01:45.496 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 05 00:01:45.496 INFO [stderr] 
Dec 05 00:01:45.504 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 00:01:45.504 INFO [stderr]  --> src/bin/main.rs:3:1
Dec 05 00:01:45.504 INFO [stderr]   |
Dec 05 00:01:45.504 INFO [stderr] 3 | #[macro_use]
Dec 05 00:01:45.504 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 00:01:45.504 INFO [stderr]   |
Dec 05 00:01:45.504 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:01:45.504 INFO [stderr] 
Dec 05 00:01:45.504 INFO [stderr] warning: unused import: `std::error::Error`
Dec 05 00:01:45.504 INFO [stderr]   --> src/bin/main.rs:13:5
Dec 05 00:01:45.504 INFO [stderr]    |
Dec 05 00:01:45.504 INFO [stderr] 13 | use std::error::Error;
Dec 05 00:01:45.504 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.504 INFO [stderr] 
Dec 05 00:01:45.504 INFO [stderr] warning: unused import: `std::fs::File`
Dec 05 00:01:45.504 INFO [stderr]   --> src/bin/main.rs:14:5
Dec 05 00:01:45.504 INFO [stderr]    |
Dec 05 00:01:45.504 INFO [stderr] 14 | use std::fs::File;
Dec 05 00:01:45.504 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 00:01:45.504 INFO [stderr] 
Dec 05 00:01:45.504 INFO [stderr] warning: unused import: `std::path::Path`
Dec 05 00:01:45.505 INFO [stderr]   --> src/bin/main.rs:15:5
Dec 05 00:01:45.505 INFO [stderr]    |
Dec 05 00:01:45.505 INFO [stderr] 15 | use std::path::Path;
Dec 05 00:01:45.505 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 00:01:45.505 INFO [stderr] 
Dec 05 00:01:45.505 INFO [stderr] warning: unused import: `std::net::ToSocketAddrs`
Dec 05 00:01:45.505 INFO [stderr]   --> src/bin/main.rs:18:5
Dec 05 00:01:45.505 INFO [stderr]    |
Dec 05 00:01:45.505 INFO [stderr] 18 | use std::net::ToSocketAddrs;
Dec 05 00:01:45.505 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.505 INFO [stderr] 
Dec 05 00:01:45.505 INFO [stderr] warning: unused imports: `Infinite`, `serialize`
Dec 05 00:01:45.505 INFO [stderr]   --> src/bin/main.rs:24:15
Dec 05 00:01:45.505 INFO [stderr]    |
Dec 05 00:01:45.505 INFO [stderr] 24 | use bincode::{serialize, deserialize, Infinite};
Dec 05 00:01:45.505 INFO [stderr]    |               ^^^^^^^^^               ^^^^^^^^
Dec 05 00:01:45.505 INFO [stderr] 
Dec 05 00:01:45.568 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 00:01:45.568 INFO [stderr]  --> src/bin/nameserver.rs:3:5
Dec 05 00:01:45.568 INFO [stderr]   |
Dec 05 00:01:45.568 INFO [stderr] 3 | use std::io::Read;
Dec 05 00:01:45.568 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:01:45.568 INFO [stderr] 
Dec 05 00:01:45.662 INFO [stderr] warning: unreachable pattern
Dec 05 00:01:45.662 INFO [stderr]    --> src/bin/main.rs:315:21
Dec 05 00:01:45.662 INFO [stderr]     |
Dec 05 00:01:45.662 INFO [stderr] 315 |                     Ok(_) => {println!("Unhandled command");},
Dec 05 00:01:45.662 INFO [stderr]     |                     ^^^^^
Dec 05 00:01:45.662 INFO [stderr]     |
Dec 05 00:01:45.662 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 05 00:01:45.662 INFO [stderr] 
Dec 05 00:01:45.704 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:01:45.704 INFO [stderr]    --> src/bin/main.rs:188:9
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr] 188 |     let mut nameserver_stream = TcpStream::connect(nameserver_str).expect("Couldn't connet to nameserver");
Dec 05 00:01:45.704 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.704 INFO [stderr]     |         |
Dec 05 00:01:45.704 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 00:01:45.704 INFO [stderr] 
Dec 05 00:01:45.704 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:01:45.704 INFO [stderr]    --> src/bin/main.rs:206:9
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr] 206 |     let mut peers: Arc<Mutex<Vec<Arc<Mutex<Connection>>>>> = Arc::new(Mutex::new(Vec::new()));
Dec 05 00:01:45.704 INFO [stderr]     |         ----^^^^^
Dec 05 00:01:45.704 INFO [stderr]     |         |
Dec 05 00:01:45.704 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:01:45.704 INFO [stderr] 
Dec 05 00:01:45.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:45.704 INFO [stderr]   --> src/bin/main.rs:76:29
Dec 05 00:01:45.704 INFO [stderr]    |
Dec 05 00:01:45.704 INFO [stderr] 76 |                             connection.write_message(&ClientMessage::Chain(chain.clone()));
Dec 05 00:01:45.704 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.704 INFO [stderr]    |
Dec 05 00:01:45.704 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:01:45.704 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:45.704 INFO [stderr] 
Dec 05 00:01:45.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:45.704 INFO [stderr]   --> src/bin/main.rs:95:33
Dec 05 00:01:45.704 INFO [stderr]    |
Dec 05 00:01:45.704 INFO [stderr] 95 |                                 connection.write_message(&ClientMessage::QueryChain);
Dec 05 00:01:45.704 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.704 INFO [stderr]    |
Dec 05 00:01:45.704 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:45.704 INFO [stderr] 
Dec 05 00:01:45.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:45.704 INFO [stderr]    --> src/bin/main.rs:212:5
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr] 212 |     nameserver_connection.write_message(&ClientToNameserverMessage::Query);
Dec 05 00:01:45.704 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:45.704 INFO [stderr] 
Dec 05 00:01:45.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:45.704 INFO [stderr]    --> src/bin/main.rs:268:5
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr] 268 |     nameserver_connection.write_message(&ClientToNameserverMessage::Inform(my_addr.port()));
Dec 05 00:01:45.704 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:45.704 INFO [stderr] 
Dec 05 00:01:45.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:45.704 INFO [stderr]    --> src/bin/main.rs:291:33
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr] 291 |                                 peer.write_message(&ClientMessage::NewBlock(new_block.clone()));
Dec 05 00:01:45.704 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:45.704 INFO [stderr] 
Dec 05 00:01:45.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:45.704 INFO [stderr]    --> src/bin/main.rs:357:5
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr] 357 |     repl_thread.join();
Dec 05 00:01:45.704 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:45.704 INFO [stderr] 
Dec 05 00:01:45.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:45.704 INFO [stderr]    --> src/bin/main.rs:358:5
Dec 05 00:01:45.704 INFO [stderr]     |
Dec 05 00:01:45.704 INFO [stderr] 358 |     listener_thread.join();
Dec 05 00:01:45.705 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:45.705 INFO [stderr]     |
Dec 05 00:01:45.705 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:45.705 INFO [stderr] 
Dec 05 00:01:46.963 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.42s
Dec 05 00:01:46.966 INFO [stderr] su: No module specific data is present
Dec 05 00:01:47.222 INFO running `"docker" "inspect" "69ed09a42820adef2439769087df205fb66ccf715e035658d75a4e4ac65ec19d"`
Dec 05 00:01:47.314 INFO running `"docker" "rm" "-f" "69ed09a42820adef2439769087df205fb66ccf715e035658d75a4e4ac65ec19d"`
Dec 05 00:01:47.447 INFO [stdout] 69ed09a42820adef2439769087df205fb66ccf715e035658d75a4e4ac65ec19d
Dec 05 00:01:47.450 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 05 00:01:47.781 INFO [stdout] 2c599a55c81c19463762f92758129e8dbfb69753db8c925aed4d6a6346af167d
Dec 05 00:01:47.785 INFO running `"docker" "start" "-a" "2c599a55c81c19463762f92758129e8dbfb69753db8c925aed4d6a6346af167d"`
Dec 05 00:01:48.339 INFO [stderr] usermod: no changes
Dec 05 00:01:48.389 INFO [stderr]    Compiling naivechain-rs v0.1.0 (/source)
Dec 05 00:01:48.496 INFO [stderr] warning: unused import: `TcpStream`
Dec 05 00:01:48.496 INFO [stderr]  --> src/bin/nameserver.rs:1:29
Dec 05 00:01:48.496 INFO [stderr]   |
Dec 05 00:01:48.496 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddr};
Dec 05 00:01:48.496 INFO [stderr]   |                             ^^^^^^^^^
Dec 05 00:01:48.496 INFO [stderr]   |
Dec 05 00:01:48.496 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:01:48.496 INFO [stderr] 
Dec 05 00:01:48.496 INFO [stderr] warning: unused import: `std::net::ToSocketAddrs`
Dec 05 00:01:48.496 INFO [stderr]  --> src/bin/nameserver.rs:7:5
Dec 05 00:01:48.496 INFO [stderr]   |
Dec 05 00:01:48.496 INFO [stderr] 7 | use std::net::ToSocketAddrs;
Dec 05 00:01:48.496 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.496 INFO [stderr] 
Dec 05 00:01:48.496 INFO [stderr] warning: unused import: `ClientMessage`
Dec 05 00:01:48.496 INFO [stderr]   --> src/bin/nameserver.rs:12:30
Dec 05 00:01:48.496 INFO [stderr]    |
Dec 05 00:01:48.496 INFO [stderr] 12 | use naivechain_rs::message::{ClientMessage, ClientToNameserverMessage, NameserverToClientMessage};
Dec 05 00:01:48.496 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 05 00:01:48.496 INFO [stderr] 
Dec 05 00:01:48.504 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 00:01:48.504 INFO [stderr]  --> src/bin/main.rs:3:1
Dec 05 00:01:48.504 INFO [stderr]   |
Dec 05 00:01:48.504 INFO [stderr] 3 | #[macro_use]
Dec 05 00:01:48.504 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 00:01:48.504 INFO [stderr]   |
Dec 05 00:01:48.504 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:01:48.504 INFO [stderr] 
Dec 05 00:01:48.504 INFO [stderr] warning: unused import: `std::error::Error`
Dec 05 00:01:48.504 INFO [stderr]   --> src/bin/main.rs:13:5
Dec 05 00:01:48.504 INFO [stderr]    |
Dec 05 00:01:48.504 INFO [stderr] 13 | use std::error::Error;
Dec 05 00:01:48.504 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.504 INFO [stderr] 
Dec 05 00:01:48.504 INFO [stderr] warning: unused import: `std::fs::File`
Dec 05 00:01:48.504 INFO [stderr]   --> src/bin/main.rs:14:5
Dec 05 00:01:48.504 INFO [stderr]    |
Dec 05 00:01:48.504 INFO [stderr] 14 | use std::fs::File;
Dec 05 00:01:48.504 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 00:01:48.504 INFO [stderr] 
Dec 05 00:01:48.504 INFO [stderr] warning: unused import: `std::path::Path`
Dec 05 00:01:48.504 INFO [stderr]   --> src/bin/main.rs:15:5
Dec 05 00:01:48.504 INFO [stderr]    |
Dec 05 00:01:48.504 INFO [stderr] 15 | use std::path::Path;
Dec 05 00:01:48.504 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 00:01:48.504 INFO [stderr] 
Dec 05 00:01:48.504 INFO [stderr] warning: unused import: `std::net::ToSocketAddrs`
Dec 05 00:01:48.504 INFO [stderr]   --> src/bin/main.rs:18:5
Dec 05 00:01:48.504 INFO [stderr]    |
Dec 05 00:01:48.504 INFO [stderr] 18 | use std::net::ToSocketAddrs;
Dec 05 00:01:48.504 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.504 INFO [stderr] 
Dec 05 00:01:48.504 INFO [stderr] warning: unused imports: `Infinite`, `serialize`
Dec 05 00:01:48.504 INFO [stderr]   --> src/bin/main.rs:24:15
Dec 05 00:01:48.504 INFO [stderr]    |
Dec 05 00:01:48.504 INFO [stderr] 24 | use bincode::{serialize, deserialize, Infinite};
Dec 05 00:01:48.504 INFO [stderr]    |               ^^^^^^^^^               ^^^^^^^^
Dec 05 00:01:48.504 INFO [stderr] 
Dec 05 00:01:48.540 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 00:01:48.540 INFO [stderr]  --> src/bin/nameserver.rs:3:5
Dec 05 00:01:48.540 INFO [stderr]   |
Dec 05 00:01:48.540 INFO [stderr] 3 | use std::io::Read;
Dec 05 00:01:48.540 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:01:48.540 INFO [stderr] 
Dec 05 00:01:48.609 INFO [stderr] warning: unreachable pattern
Dec 05 00:01:48.609 INFO [stderr]    --> src/bin/main.rs:315:21
Dec 05 00:01:48.609 INFO [stderr]     |
Dec 05 00:01:48.609 INFO [stderr] 315 |                     Ok(_) => {println!("Unhandled command");},
Dec 05 00:01:48.609 INFO [stderr]     |                     ^^^^^
Dec 05 00:01:48.609 INFO [stderr]     |
Dec 05 00:01:48.609 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 05 00:01:48.609 INFO [stderr] 
Dec 05 00:01:48.646 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:01:48.646 INFO [stderr]    --> src/bin/main.rs:188:9
Dec 05 00:01:48.646 INFO [stderr]     |
Dec 05 00:01:48.646 INFO [stderr] 188 |     let mut nameserver_stream = TcpStream::connect(nameserver_str).expect("Couldn't connet to nameserver");
Dec 05 00:01:48.646 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.646 INFO [stderr]     |         |
Dec 05 00:01:48.646 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:01:48.646 INFO [stderr]     |
Dec 05 00:01:48.646 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 00:01:48.646 INFO [stderr] 
Dec 05 00:01:48.646 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:01:48.646 INFO [stderr]    --> src/bin/main.rs:206:9
Dec 05 00:01:48.646 INFO [stderr]     |
Dec 05 00:01:48.646 INFO [stderr] 206 |     let mut peers: Arc<Mutex<Vec<Arc<Mutex<Connection>>>>> = Arc::new(Mutex::new(Vec::new()));
Dec 05 00:01:48.646 INFO [stderr]     |         ----^^^^^
Dec 05 00:01:48.646 INFO [stderr]     |         |
Dec 05 00:01:48.646 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:01:48.646 INFO [stderr] 
Dec 05 00:01:48.646 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:48.647 INFO [stderr]   --> src/bin/main.rs:76:29
Dec 05 00:01:48.647 INFO [stderr]    |
Dec 05 00:01:48.647 INFO [stderr] 76 |                             connection.write_message(&ClientMessage::Chain(chain.clone()));
Dec 05 00:01:48.647 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.647 INFO [stderr]    |
Dec 05 00:01:48.647 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:01:48.647 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:48.647 INFO [stderr] 
Dec 05 00:01:48.647 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:48.647 INFO [stderr]   --> src/bin/main.rs:95:33
Dec 05 00:01:48.647 INFO [stderr]    |
Dec 05 00:01:48.647 INFO [stderr] 95 |                                 connection.write_message(&ClientMessage::QueryChain);
Dec 05 00:01:48.647 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.647 INFO [stderr]    |
Dec 05 00:01:48.647 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:48.647 INFO [stderr] 
Dec 05 00:01:48.647 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:48.647 INFO [stderr]    --> src/bin/main.rs:212:5
Dec 05 00:01:48.647 INFO [stderr]     |
Dec 05 00:01:48.647 INFO [stderr] 212 |     nameserver_connection.write_message(&ClientToNameserverMessage::Query);
Dec 05 00:01:48.647 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.647 INFO [stderr]     |
Dec 05 00:01:48.647 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:48.647 INFO [stderr] 
Dec 05 00:01:48.647 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:48.647 INFO [stderr]    --> src/bin/main.rs:268:5
Dec 05 00:01:48.647 INFO [stderr]     |
Dec 05 00:01:48.647 INFO [stderr] 268 |     nameserver_connection.write_message(&ClientToNameserverMessage::Inform(my_addr.port()));
Dec 05 00:01:48.647 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.647 INFO [stderr]     |
Dec 05 00:01:48.647 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:48.647 INFO [stderr] 
Dec 05 00:01:48.647 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:48.647 INFO [stderr]    --> src/bin/main.rs:291:33
Dec 05 00:01:48.648 INFO [stderr]     |
Dec 05 00:01:48.648 INFO [stderr] 291 |                                 peer.write_message(&ClientMessage::NewBlock(new_block.clone()));
Dec 05 00:01:48.648 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.648 INFO [stderr]     |
Dec 05 00:01:48.648 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:48.648 INFO [stderr] 
Dec 05 00:01:48.648 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:48.648 INFO [stderr]    --> src/bin/main.rs:357:5
Dec 05 00:01:48.648 INFO [stderr]     |
Dec 05 00:01:48.648 INFO [stderr] 357 |     repl_thread.join();
Dec 05 00:01:48.648 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.648 INFO [stderr]     |
Dec 05 00:01:48.648 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:48.648 INFO [stderr] 
Dec 05 00:01:48.648 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:01:48.648 INFO [stderr]    --> src/bin/main.rs:358:5
Dec 05 00:01:48.648 INFO [stderr]     |
Dec 05 00:01:48.648 INFO [stderr] 358 |     listener_thread.join();
Dec 05 00:01:48.648 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.648 INFO [stderr]     |
Dec 05 00:01:48.648 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:01:48.648 INFO [stderr] 
Dec 05 00:01:48.781 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:01:48.781 INFO [stderr]    --> src/block.rs:120:9
Dec 05 00:01:48.781 INFO [stderr]     |
Dec 05 00:01:48.781 INFO [stderr] 120 |     let mut buf = &mut [0; 8];
Dec 05 00:01:48.781 INFO [stderr]     |         ----^^^
Dec 05 00:01:48.781 INFO [stderr]     |         |
Dec 05 00:01:48.781 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:01:48.781 INFO [stderr]     |
Dec 05 00:01:48.781 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 00:01:48.781 INFO [stderr] 
Dec 05 00:01:48.783 INFO [stderr] warning: field is never used: `next_message_size`
Dec 05 00:01:48.783 INFO [stderr]   --> src/connection.rs:11:5
Dec 05 00:01:48.783 INFO [stderr]    |
Dec 05 00:01:48.783 INFO [stderr] 11 |     next_message_size: Option<u64>,
Dec 05 00:01:48.783 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:01:48.783 INFO [stderr]    |
Dec 05 00:01:48.783 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 00:01:48.783 INFO [stderr] 
Dec 05 00:01:48.976 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 05 00:01:48.986 INFO [stderr] su: No module specific data is present
Dec 05 00:01:49.645 INFO running `"docker" "inspect" "2c599a55c81c19463762f92758129e8dbfb69753db8c925aed4d6a6346af167d"`
Dec 05 00:01:49.897 INFO running `"docker" "rm" "-f" "2c599a55c81c19463762f92758129e8dbfb69753db8c925aed4d6a6346af167d"`
Dec 05 00:01:50.185 INFO [stdout] 2c599a55c81c19463762f92758129e8dbfb69753db8c925aed4d6a6346af167d
Dec 05 00:01:50.190 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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 05 00:01:50.604 INFO [stdout] dfcf0d7258cf80406a84f57d25074b97f7c052f28a7a535778ecb96b1a6da637
Dec 05 00:01:50.612 INFO running `"docker" "start" "-a" "dfcf0d7258cf80406a84f57d25074b97f7c052f28a7a535778ecb96b1a6da637"`
Dec 05 00:01:51.840 INFO [stderr] usermod: no changes
Dec 05 00:01:51.932 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 05 00:01:51.948 INFO [stderr]      Running /target/debug/deps/naivechain_rs-efff53eda9319054
Dec 05 00:01:51.952 INFO [stderr]      Running /target/debug/deps/main-fc9d7b2486a469f4
Dec 05 00:01:51.952 INFO [stdout] 
Dec 05 00:01:51.952 INFO [stdout] running 0 tests
Dec 05 00:01:51.952 INFO [stdout] 
Dec 05 00:01:51.952 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 00:01:51.952 INFO [stdout] 
Dec 05 00:01:51.958 INFO [stdout] 
Dec 05 00:01:51.959 INFO [stdout] running 0 tests
Dec 05 00:01:51.959 INFO [stdout] 
Dec 05 00:01:51.959 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 00:01:51.959 INFO [stdout] 
Dec 05 00:01:51.960 INFO [stdout] 
Dec 05 00:01:51.960 INFO [stderr]      Running /target/debug/deps/nameserver-824cbca34a3d0d3c
Dec 05 00:01:51.960 INFO [stdout] running 0 tests
Dec 05 00:01:51.960 INFO [stderr]    Doc-tests naivechain-rs
Dec 05 00:01:51.960 INFO [stdout] 
Dec 05 00:01:51.960 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 00:01:51.960 INFO [stdout] 
Dec 05 00:01:52.141 INFO [stdout] 
Dec 05 00:01:52.141 INFO [stdout] running 0 tests
Dec 05 00:01:52.141 INFO [stdout] 
Dec 05 00:01:52.141 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 00:01:52.141 INFO [stdout] 
Dec 05 00:01:52.149 INFO [stderr] su: No module specific data is present
Dec 05 00:01:52.972 INFO running `"docker" "inspect" "dfcf0d7258cf80406a84f57d25074b97f7c052f28a7a535778ecb96b1a6da637"`
Dec 05 00:01:53.274 INFO running `"docker" "rm" "-f" "dfcf0d7258cf80406a84f57d25074b97f7c052f28a7a535778ecb96b1a6da637"`
Dec 05 00:01:53.639 INFO [stdout] dfcf0d7258cf80406a84f57d25074b97f7c052f28a7a535778ecb96b1a6da637