Nov 18 16:58:56.026 INFO testing crack-0.1.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 16:58:56.027 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 16:58:56.419 INFO [stdout] 3b90185d71267d58a94d48ed9eed72846024b0194e2f380e976c8055156608bf
Nov 18 16:58:56.425 INFO running `"docker" "start" "-a" "3b90185d71267d58a94d48ed9eed72846024b0194e2f380e976c8055156608bf"`
Nov 18 16:58:57.718 INFO [stderr] usermod: no changes
Nov 18 16:58:58.028 INFO [stderr]    Compiling uuid v0.4.0
Nov 18 16:58:58.036 INFO [stderr]    Compiling error-chain v0.9.0
Nov 18 16:58:58.036 INFO [stderr]    Compiling crdts v1.3.0
Nov 18 16:59:00.899 INFO [stderr]    Compiling crack v0.1.0 (/source)
Nov 18 16:59:04.811 INFO [stderr] warning: unused `#[macro_use]` import
Nov 18 16:59:04.811 INFO [stderr]  --> src/lib.rs:2:1
Nov 18 16:59:04.812 INFO [stderr]   |
Nov 18 16:59:04.812 INFO [stderr] 2 | #[macro_use]
Nov 18 16:59:04.813 INFO [stderr]   | ^^^^^^^^^^^^
Nov 18 16:59:04.813 INFO [stderr]   |
Nov 18 16:59:04.814 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 16:59:04.814 INFO [stderr] 
Nov 18 16:59:04.815 INFO [stderr] warning: unused import: `std::convert`
Nov 18 16:59:04.815 INFO [stderr]  --> src/transport.rs:1:5
Nov 18 16:59:04.816 INFO [stderr]   |
Nov 18 16:59:04.816 INFO [stderr] 1 | use std::convert;
Nov 18 16:59:04.817 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 18 16:59:04.817 INFO [stderr] 
Nov 18 16:59:04.817 INFO [stderr] warning: unused import: `std::cell::RefCell`
Nov 18 16:59:04.818 INFO [stderr]  --> src/transport.rs:2:5
Nov 18 16:59:04.818 INFO [stderr]   |
Nov 18 16:59:04.819 INFO [stderr] 2 | use std::cell::RefCell;
Nov 18 16:59:04.819 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 18 16:59:04.820 INFO [stderr] 
Nov 18 16:59:04.820 INFO [stderr] warning: unused import: `std::fmt::Debug`
Nov 18 16:59:04.821 INFO [stderr]  --> src/transport.rs:4:5
Nov 18 16:59:04.821 INFO [stderr]   |
Nov 18 16:59:04.822 INFO [stderr] 4 | use std::fmt::Debug;
Nov 18 16:59:04.822 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 18 16:59:04.822 INFO [stderr] 
Nov 18 16:59:04.823 INFO [stderr] warning: unused import: `std::io`
Nov 18 16:59:04.823 INFO [stderr]  --> src/transport.rs:5:5
Nov 18 16:59:04.824 INFO [stderr]   |
Nov 18 16:59:04.824 INFO [stderr] 5 | use std::io;
Nov 18 16:59:04.824 INFO [stderr]   |     ^^^^^^^
Nov 18 16:59:04.824 INFO [stderr] 
Nov 18 16:59:04.824 INFO [stderr] warning: unused import: `std::iter`
Nov 18 16:59:04.824 INFO [stderr]  --> src/transport.rs:6:5
Nov 18 16:59:04.824 INFO [stderr]   |
Nov 18 16:59:04.825 INFO [stderr] 6 | use std::iter;
Nov 18 16:59:04.825 INFO [stderr]   |     ^^^^^^^^^
Nov 18 16:59:04.825 INFO [stderr] 
Nov 18 16:59:04.825 INFO [stderr] warning: unused import: `std::rc::Rc`
Nov 18 16:59:04.825 INFO [stderr]  --> src/transport.rs:7:5
Nov 18 16:59:04.826 INFO [stderr]   |
Nov 18 16:59:04.826 INFO [stderr] 7 | use std::rc::Rc;
Nov 18 16:59:04.826 INFO [stderr]   |     ^^^^^^^^^^^
Nov 18 16:59:04.826 INFO [stderr] 
Nov 18 16:59:04.826 INFO [stderr] warning: unused import: `std::str`
Nov 18 16:59:04.826 INFO [stderr]  --> src/transport.rs:8:5
Nov 18 16:59:04.826 INFO [stderr]   |
Nov 18 16:59:04.826 INFO [stderr] 8 | use std::str;
Nov 18 16:59:04.826 INFO [stderr]   |     ^^^^^^^^
Nov 18 16:59:04.826 INFO [stderr] 
Nov 18 16:59:04.826 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Nov 18 16:59:04.826 INFO [stderr]  --> src/transport.rs:9:5
Nov 18 16:59:04.826 INFO [stderr]   |
Nov 18 16:59:04.826 INFO [stderr] 9 | use std::marker::PhantomData;
Nov 18 16:59:04.826 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:04.826 INFO [stderr] 
Nov 18 16:59:04.826 INFO [stderr] warning: unused import: `Handle`
Nov 18 16:59:04.826 INFO [stderr]   --> src/transport.rs:17:33
Nov 18 16:59:04.826 INFO [stderr]    |
Nov 18 16:59:04.826 INFO [stderr] 17 | use tokio_core::reactor::{Core, Handle};
Nov 18 16:59:04.826 INFO [stderr]    |                                 ^^^^^^
Nov 18 16:59:04.826 INFO [stderr] 
Nov 18 16:59:04.826 INFO [stderr] warning: unused import: `DecodingResult`
Nov 18 16:59:04.826 INFO [stderr]   --> src/transport.rs:20:48
Nov 18 16:59:04.826 INFO [stderr]    |
Nov 18 16:59:04.826 INFO [stderr] 20 | use bincode::rustc_serialize::{encode, decode, DecodingResult};
Nov 18 16:59:04.826 INFO [stderr]    |                                                ^^^^^^^^^^^^^^
Nov 18 16:59:04.826 INFO [stderr] 
Nov 18 16:59:04.826 INFO [stderr] warning: unused import: `serde_json`
Nov 18 16:59:04.826 INFO [stderr]   --> src/transport.rs:21:5
Nov 18 16:59:04.826 INFO [stderr]    |
Nov 18 16:59:04.826 INFO [stderr] 21 | use serde_json;
Nov 18 16:59:04.826 INFO [stderr]    |     ^^^^^^^^^^
Nov 18 16:59:04.826 INFO [stderr] 
Nov 18 16:59:04.826 INFO [stderr] warning: unused imports: `BufMut`, `BytesMut`
Nov 18 16:59:04.826 INFO [stderr]   --> src/transport.rs:22:13
Nov 18 16:59:04.826 INFO [stderr]    |
Nov 18 16:59:04.826 INFO [stderr] 22 | use bytes::{BufMut, BytesMut};
Nov 18 16:59:04.826 INFO [stderr]    |             ^^^^^^  ^^^^^^^^
Nov 18 16:59:04.827 INFO [stderr] 
Nov 18 16:59:04.827 INFO [stderr] warning: unused imports: `Decoder`, `Encoder`
Nov 18 16:59:04.827 INFO [stderr]   --> src/transport.rs:23:23
Nov 18 16:59:04.827 INFO [stderr]    |
Nov 18 16:59:04.827 INFO [stderr] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
Nov 18 16:59:04.827 INFO [stderr]    |                       ^^^^^^^  ^^^^^^^
Nov 18 16:59:04.827 INFO [stderr] 
Nov 18 16:59:04.827 INFO [stderr] warning: unused import: `tokio_io::AsyncRead`
Nov 18 16:59:04.827 INFO [stderr]   --> src/transport.rs:24:5
Nov 18 16:59:04.827 INFO [stderr]    |
Nov 18 16:59:04.827 INFO [stderr] 24 | use tokio_io::AsyncRead;
Nov 18 16:59:04.827 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:04.827 INFO [stderr] 
Nov 18 16:59:04.827 INFO [stderr] warning: unused imports: `future`, `sink`
Nov 18 16:59:04.827 INFO [stderr]   --> src/transport.rs:25:15
Nov 18 16:59:04.827 INFO [stderr]    |
Nov 18 16:59:04.827 INFO [stderr] 25 | use futures::{future, sink, Sink, Stream, Future, IntoFuture};
Nov 18 16:59:04.827 INFO [stderr]    |               ^^^^^^  ^^^^
Nov 18 16:59:04.827 INFO [stderr] 
Nov 18 16:59:04.827 INFO [stderr] warning: unused imports: `SplitSink`, `SplitStream`, `self`
Nov 18 16:59:04.827 INFO [stderr]   --> src/transport.rs:26:23
Nov 18 16:59:04.827 INFO [stderr]    |
Nov 18 16:59:04.827 INFO [stderr] 26 | use futures::stream::{self, SplitSink, SplitStream};
Nov 18 16:59:04.827 INFO [stderr]    |                       ^^^^  ^^^^^^^^^  ^^^^^^^^^^^
Nov 18 16:59:04.827 INFO [stderr] 
Nov 18 16:59:04.827 INFO [stderr] warning: unused import: `uuid::Uuid`
Nov 18 16:59:04.827 INFO [stderr]   --> src/transport.rs:27:5
Nov 18 16:59:04.827 INFO [stderr]    |
Nov 18 16:59:04.827 INFO [stderr] 27 | use uuid::Uuid;
Nov 18 16:59:04.827 INFO [stderr]    |     ^^^^^^^^^^
Nov 18 16:59:04.827 INFO [stderr] 
Nov 18 16:59:04.827 INFO [stderr] warning: unused imports: `from_binary`, `to_binary`
Nov 18 16:59:04.827 INFO [stderr]   --> src/transport.rs:29:6
Nov 18 16:59:04.827 INFO [stderr]    |
Nov 18 16:59:04.827 INFO [stderr] 29 | use {to_binary, from_binary};
Nov 18 16:59:04.827 INFO [stderr]    |      ^^^^^^^^^  ^^^^^^^^^^^
Nov 18 16:59:04.827 INFO [stderr] 
Nov 18 16:59:04.827 INFO [stderr] warning: unused import: `kernel::Peer`
Nov 18 16:59:04.827 INFO [stderr]   --> src/transport.rs:30:5
Nov 18 16:59:04.827 INFO [stderr]    |
Nov 18 16:59:04.827 INFO [stderr] 30 | use kernel::Peer;
Nov 18 16:59:04.827 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 18 16:59:04.827 INFO [stderr] 
Nov 18 16:59:04.827 INFO [stderr] warning: unused imports: `crc16_arr`, `crc16`
Nov 18 16:59:04.827 INFO [stderr]   --> src/lib.rs:29:13
Nov 18 16:59:04.827 INFO [stderr]    |
Nov 18 16:59:04.827 INFO [stderr] 29 | use crc16::{crc16_arr, crc16};
Nov 18 16:59:04.827 INFO [stderr]    |             ^^^^^^^^^  ^^^^^
Nov 18 16:59:04.827 INFO [stderr] 
Nov 18 16:59:04.848 INFO [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited': Moved to tokio-codec
Nov 18 16:59:04.848 INFO [stderr]   --> src/transport.rs:23:41
Nov 18 16:59:04.848 INFO [stderr]    |
Nov 18 16:59:04.848 INFO [stderr] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
Nov 18 16:59:04.848 INFO [stderr]    |                                         ^^^^^^^^^^^^^^^^
Nov 18 16:59:04.848 INFO [stderr]    |
Nov 18 16:59:04.848 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 18 16:59:04.848 INFO [stderr] 
Nov 18 16:59:04.848 INFO [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited::FramedRead': Moved to tokio-codec
Nov 18 16:59:04.848 INFO [stderr]    --> src/transport.rs:108:28
Nov 18 16:59:04.848 INFO [stderr]     |
Nov 18 16:59:04.848 INFO [stderr] 108 |             let deframed = length_delimited::FramedRead::new(socket);
Nov 18 16:59:04.848 INFO [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:04.848 INFO [stderr] 
Nov 18 16:59:04.848 INFO [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited::FramedWrite': Moved to tokio-codec
Nov 18 16:59:04.848 INFO [stderr]    --> src/transport.rs:143:26
Nov 18 16:59:04.848 INFO [stderr]     |
Nov 18 16:59:04.848 INFO [stderr] 143 |             let framed = length_delimited::FramedWrite::new(socket);
Nov 18 16:59:04.849 INFO [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:04.849 INFO [stderr] 
Nov 18 16:59:04.967 INFO [stderr] warning: use of deprecated item '<futures::sync::mpsc::UnboundedSender<T>>::send': renamed to `unbounded_send`
Nov 18 16:59:04.967 INFO [stderr]   --> src/transport.rs:61:24
Nov 18 16:59:04.967 INFO [stderr]    |
Nov 18 16:59:04.967 INFO [stderr] 61 |                     tx.send(msg).unwrap();
Nov 18 16:59:04.967 INFO [stderr]    |                        ^^^^
Nov 18 16:59:04.968 INFO [stderr] 
Nov 18 16:59:05.034 INFO [stderr] warning: unused variable: `peer`
Nov 18 16:59:05.034 INFO [stderr]   --> src/kernel.rs:38:20
Nov 18 16:59:05.034 INFO [stderr]    |
Nov 18 16:59:05.034 INFO [stderr] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
Nov 18 16:59:05.034 INFO [stderr]    |                    ^^^^ help: consider using `_peer` instead
Nov 18 16:59:05.035 INFO [stderr]    |
Nov 18 16:59:05.035 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 18 16:59:05.035 INFO [stderr] 
Nov 18 16:59:05.035 INFO [stderr] warning: unused variable: `peer`
Nov 18 16:59:05.035 INFO [stderr]   --> src/kernel.rs:42:21
Nov 18 16:59:05.035 INFO [stderr]    |
Nov 18 16:59:05.035 INFO [stderr] 42 |     fn purge(&self, peer: Peer) {}
Nov 18 16:59:05.035 INFO [stderr]    |                     ^^^^ help: consider using `_peer` instead
Nov 18 16:59:05.035 INFO [stderr] 
Nov 18 16:59:05.035 INFO [stderr] warning: unused variable: `note`
Nov 18 16:59:05.035 INFO [stderr]   --> src/model.rs:84:26
Nov 18 16:59:05.035 INFO [stderr]    |
Nov 18 16:59:05.035 INFO [stderr] 84 |                 let (ref note, ref f) = self.processes[choice][*index];
Nov 18 16:59:05.036 INFO [stderr]    |                          ^^^^ help: consider using `_note` instead
Nov 18 16:59:05.036 INFO [stderr] 
Nov 18 16:59:05.093 INFO [stderr] warning: struct is never constructed: `TCPTransport`
Nov 18 16:59:05.093 INFO [stderr]   --> src/transport.rs:38:1
Nov 18 16:59:05.093 INFO [stderr]    |
Nov 18 16:59:05.093 INFO [stderr] 38 | struct TCPTransport<Rx, Tx> {
Nov 18 16:59:05.093 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:05.094 INFO [stderr]    |
Nov 18 16:59:05.094 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 16:59:05.094 INFO [stderr] 
Nov 18 16:59:05.094 INFO [stderr] warning: method is never used: `new`
Nov 18 16:59:05.094 INFO [stderr]   --> src/transport.rs:48:5
Nov 18 16:59:05.094 INFO [stderr]    |
Nov 18 16:59:05.094 INFO [stderr] 48 |     pub fn new(addr: SocketAddr) -> TCPTransport<Rx, Tx> {
Nov 18 16:59:05.094 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:05.094 INFO [stderr] 
Nov 18 16:59:05.094 INFO [stderr] warning: function is never used: `recv`
Nov 18 16:59:05.094 INFO [stderr]    --> src/transport.rs:91:1
Nov 18 16:59:05.094 INFO [stderr]     |
Nov 18 16:59:05.094 INFO [stderr] 91  | / fn recv<T>(addr: SocketAddr) -> Arc<MsQueue<(SocketAddr, T)>>
Nov 18 16:59:05.094 INFO [stderr] 92  | |     where T: Decodable + Send + 'static
Nov 18 16:59:05.094 INFO [stderr] 93  | | {
Nov 18 16:59:05.094 INFO [stderr] 94  | |
Nov 18 16:59:05.094 INFO [stderr] ...   |
Nov 18 16:59:05.094 INFO [stderr] 127 | |     msgs
Nov 18 16:59:05.094 INFO [stderr] 128 | | }
Nov 18 16:59:05.094 INFO [stderr]     | |_^
Nov 18 16:59:05.094 INFO [stderr] 
Nov 18 16:59:05.094 INFO [stderr] warning: function is never used: `send`
Nov 18 16:59:05.094 INFO [stderr]    --> src/transport.rs:130:1
Nov 18 16:59:05.094 INFO [stderr]     |
Nov 18 16:59:05.094 INFO [stderr] 130 | / fn send<T>(addr: SocketAddr) -> mpsc::UnboundedSender<T>
Nov 18 16:59:05.094 INFO [stderr] 131 | |     where T: Encodable + Send + 'static
Nov 18 16:59:05.095 INFO [stderr] 132 | | {
Nov 18 16:59:05.095 INFO [stderr] 133 | |     let (outbound_tx, outbound_rx) = mpsc::unbounded();
Nov 18 16:59:05.095 INFO [stderr] ...   |
Nov 18 16:59:05.095 INFO [stderr] 157 | |     outbound_tx
Nov 18 16:59:05.095 INFO [stderr] 158 | | }
Nov 18 16:59:05.095 INFO [stderr]     | |_^
Nov 18 16:59:05.095 INFO [stderr] 
Nov 18 16:59:05.095 INFO [stderr] warning: variant is never constructed: `Connected`
Nov 18 16:59:05.095 INFO [stderr]  --> src/kernel.rs:2:5
Nov 18 16:59:05.095 INFO [stderr]   |
Nov 18 16:59:05.095 INFO [stderr] 2 |     Connected,
Nov 18 16:59:05.095 INFO [stderr]   |     ^^^^^^^^^
Nov 18 16:59:05.095 INFO [stderr] 
Nov 18 16:59:05.095 INFO [stderr] warning: variant is never constructed: `Disconnected`
Nov 18 16:59:05.095 INFO [stderr]  --> src/kernel.rs:3:5
Nov 18 16:59:05.095 INFO [stderr]   |
Nov 18 16:59:05.095 INFO [stderr] 3 |     Disconnected,
Nov 18 16:59:05.095 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 18 16:59:05.095 INFO [stderr] 
Nov 18 16:59:05.095 INFO [stderr] warning: field is never used: `state`
Nov 18 16:59:05.095 INFO [stderr]  --> src/kernel.rs:7:5
Nov 18 16:59:05.095 INFO [stderr]   |
Nov 18 16:59:05.095 INFO [stderr] 7 |     state: PeerState,
Nov 18 16:59:05.096 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Nov 18 16:59:05.096 INFO [stderr] 
Nov 18 16:59:05.096 INFO [stderr] warning: field is never used: `addr`
Nov 18 16:59:05.096 INFO [stderr]  --> src/kernel.rs:8:5
Nov 18 16:59:05.096 INFO [stderr]   |
Nov 18 16:59:05.096 INFO [stderr] 8 |     addr: String,
Nov 18 16:59:05.096 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 18 16:59:05.096 INFO [stderr] 
Nov 18 16:59:05.096 INFO [stderr] warning: field is never used: `peers`
Nov 18 16:59:05.096 INFO [stderr]   --> src/kernel.rs:18:5
Nov 18 16:59:05.096 INFO [stderr]    |
Nov 18 16:59:05.096 INFO [stderr] 18 |     peers: Vec<Peer>,
Nov 18 16:59:05.096 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 18 16:59:05.096 INFO [stderr] 
Nov 18 16:59:05.096 INFO [stderr] warning: method is never used: `cron`
Nov 18 16:59:05.097 INFO [stderr]   --> src/kernel.rs:28:5
Nov 18 16:59:05.097 INFO [stderr]    |
Nov 18 16:59:05.097 INFO [stderr] 28 |     fn cron(&self) {
Nov 18 16:59:05.097 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 18 16:59:05.097 INFO [stderr] 
Nov 18 16:59:05.097 INFO [stderr] warning: struct is never constructed: `Runs`
Nov 18 16:59:05.098 INFO [stderr]  --> src/model.rs:8:1
Nov 18 16:59:05.098 INFO [stderr]   |
Nov 18 16:59:05.098 INFO [stderr] 8 | struct Runs {
Nov 18 16:59:05.098 INFO [stderr]   | ^^^^^^^^^^^
Nov 18 16:59:05.098 INFO [stderr] 
Nov 18 16:59:05.098 INFO [stderr] warning: method is never used: `new`
Nov 18 16:59:05.099 INFO [stderr]   --> src/model.rs:14:5
Nov 18 16:59:05.099 INFO [stderr]    |
Nov 18 16:59:05.099 INFO [stderr] 14 |     fn new<I>(inner: &Vec<Vec<I>>) -> Runs {
Nov 18 16:59:05.099 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:05.099 INFO [stderr] 
Nov 18 16:59:05.099 INFO [stderr] warning: struct is never constructed: `Process`
Nov 18 16:59:05.100 INFO [stderr]   --> src/model.rs:62:1
Nov 18 16:59:05.100 INFO [stderr]    |
Nov 18 16:59:05.100 INFO [stderr] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
Nov 18 16:59:05.100 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:05.100 INFO [stderr] 
Nov 18 16:59:05.100 INFO [stderr] warning: method is never used: `new`
Nov 18 16:59:05.101 INFO [stderr]   --> src/model.rs:65:5
Nov 18 16:59:05.101 INFO [stderr]    |
Nov 18 16:59:05.101 INFO [stderr] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
Nov 18 16:59:05.101 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:05.101 INFO [stderr] 
Nov 18 16:59:05.101 INFO [stderr] warning: struct is never constructed: `System`
Nov 18 16:59:05.102 INFO [stderr]   --> src/model.rs:70:1
Nov 18 16:59:05.102 INFO [stderr]    |
Nov 18 16:59:05.102 INFO [stderr] 70 | pub struct System<A> {
Nov 18 16:59:05.102 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:05.102 INFO [stderr] 
Nov 18 16:59:05.102 INFO [stderr] warning: method is never used: `test`
Nov 18 16:59:05.103 INFO [stderr]   --> src/model.rs:77:5
Nov 18 16:59:05.103 INFO [stderr]    |
Nov 18 16:59:05.103 INFO [stderr] 77 |     fn test(&self) -> Result<(), String> {
Nov 18 16:59:05.103 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:05.103 INFO [stderr] 
Nov 18 16:59:05.104 INFO [stderr] warning: function is never used: `fact`
Nov 18 16:59:05.104 INFO [stderr]    --> src/model.rs:101:1
Nov 18 16:59:05.104 INFO [stderr]     |
Nov 18 16:59:05.104 INFO [stderr] 101 | fn fact(n: usize) -> usize {
Nov 18 16:59:05.104 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:05.104 INFO [stderr] 
Nov 18 16:59:05.367 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
Nov 18 16:59:05.379 INFO [stderr] su: No module specific data is present
Nov 18 16:59:05.744 INFO running `"docker" "inspect" "3b90185d71267d58a94d48ed9eed72846024b0194e2f380e976c8055156608bf"`
Nov 18 16:59:05.961 INFO running `"docker" "rm" "-f" "3b90185d71267d58a94d48ed9eed72846024b0194e2f380e976c8055156608bf"`
Nov 18 16:59:06.247 INFO [stdout] 3b90185d71267d58a94d48ed9eed72846024b0194e2f380e976c8055156608bf
Nov 18 16:59:06.251 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 16:59:06.734 INFO [stdout] d9da810f9f8cadaf6e6f141c8b19a059e867329ac1a1d2817e6b75a35a14e73f
Nov 18 16:59:06.743 INFO running `"docker" "start" "-a" "d9da810f9f8cadaf6e6f141c8b19a059e867329ac1a1d2817e6b75a35a14e73f"`
Nov 18 16:59:07.891 INFO [stderr] usermod: no changes
Nov 18 16:59:08.143 INFO [stderr]    Compiling crack v0.1.0 (/source)
Nov 18 16:59:12.340 INFO [stderr] warning: unused `#[macro_use]` import
Nov 18 16:59:12.340 INFO [stderr]  --> src/lib.rs:2:1
Nov 18 16:59:12.340 INFO [stderr]   |
Nov 18 16:59:12.340 INFO [stderr] 2 | #[macro_use]
Nov 18 16:59:12.340 INFO [stderr]   | ^^^^^^^^^^^^
Nov 18 16:59:12.341 INFO [stderr]   |
Nov 18 16:59:12.341 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 16:59:12.341 INFO [stderr] 
Nov 18 16:59:12.341 INFO [stderr] warning: unused import: `std::convert`
Nov 18 16:59:12.341 INFO [stderr]  --> src/transport.rs:1:5
Nov 18 16:59:12.341 INFO [stderr]   |
Nov 18 16:59:12.342 INFO [stderr] 1 | use std::convert;
Nov 18 16:59:12.342 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 18 16:59:12.342 INFO [stderr] 
Nov 18 16:59:12.342 INFO [stderr] warning: unused import: `std::cell::RefCell`
Nov 18 16:59:12.342 INFO [stderr]  --> src/transport.rs:2:5
Nov 18 16:59:12.343 INFO [stderr]   |
Nov 18 16:59:12.343 INFO [stderr] 2 | use std::cell::RefCell;
Nov 18 16:59:12.344 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 18 16:59:12.344 INFO [stderr] 
Nov 18 16:59:12.344 INFO [stderr] warning: unused import: `std::fmt::Debug`
Nov 18 16:59:12.344 INFO [stderr]  --> src/transport.rs:4:5
Nov 18 16:59:12.345 INFO [stderr]   |
Nov 18 16:59:12.345 INFO [stderr] 4 | use std::fmt::Debug;
Nov 18 16:59:12.345 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 18 16:59:12.346 INFO [stderr] 
Nov 18 16:59:12.346 INFO [stderr] warning: unused import: `std::io`
Nov 18 16:59:12.346 INFO [stderr]  --> src/transport.rs:5:5
Nov 18 16:59:12.346 INFO [stderr]   |
Nov 18 16:59:12.347 INFO [stderr] 5 | use std::io;
Nov 18 16:59:12.347 INFO [stderr]   |     ^^^^^^^
Nov 18 16:59:12.347 INFO [stderr] 
Nov 18 16:59:12.347 INFO [stderr] warning: unused import: `std::iter`
Nov 18 16:59:12.348 INFO [stderr]  --> src/transport.rs:6:5
Nov 18 16:59:12.348 INFO [stderr]   |
Nov 18 16:59:12.348 INFO [stderr] 6 | use std::iter;
Nov 18 16:59:12.349 INFO [stderr]   |     ^^^^^^^^^
Nov 18 16:59:12.349 INFO [stderr] 
Nov 18 16:59:12.349 INFO [stderr] warning: unused import: `std::rc::Rc`
Nov 18 16:59:12.349 INFO [stderr]  --> src/transport.rs:7:5
Nov 18 16:59:12.350 INFO [stderr]   |
Nov 18 16:59:12.350 INFO [stderr] 7 | use std::rc::Rc;
Nov 18 16:59:12.350 INFO [stderr]   |     ^^^^^^^^^^^
Nov 18 16:59:12.351 INFO [stderr] 
Nov 18 16:59:12.351 INFO [stderr] warning: unused import: `std::str`
Nov 18 16:59:12.352 INFO [stderr]  --> src/transport.rs:8:5
Nov 18 16:59:12.352 INFO [stderr]   |
Nov 18 16:59:12.352 INFO [stderr] 8 | use std::str;
Nov 18 16:59:12.353 INFO [stderr]   |     ^^^^^^^^
Nov 18 16:59:12.353 INFO [stderr] 
Nov 18 16:59:12.353 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Nov 18 16:59:12.353 INFO [stderr]  --> src/transport.rs:9:5
Nov 18 16:59:12.354 INFO [stderr]   |
Nov 18 16:59:12.354 INFO [stderr] 9 | use std::marker::PhantomData;
Nov 18 16:59:12.354 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:12.355 INFO [stderr] 
Nov 18 16:59:12.355 INFO [stderr] warning: unused import: `Handle`
Nov 18 16:59:12.355 INFO [stderr]   --> src/transport.rs:17:33
Nov 18 16:59:12.356 INFO [stderr]    |
Nov 18 16:59:12.356 INFO [stderr] 17 | use tokio_core::reactor::{Core, Handle};
Nov 18 16:59:12.356 INFO [stderr]    |                                 ^^^^^^
Nov 18 16:59:12.356 INFO [stderr] 
Nov 18 16:59:12.357 INFO [stderr] warning: unused import: `DecodingResult`
Nov 18 16:59:12.357 INFO [stderr]   --> src/transport.rs:20:48
Nov 18 16:59:12.357 INFO [stderr]    |
Nov 18 16:59:12.357 INFO [stderr] 20 | use bincode::rustc_serialize::{encode, decode, DecodingResult};
Nov 18 16:59:12.358 INFO [stderr]    |                                                ^^^^^^^^^^^^^^
Nov 18 16:59:12.358 INFO [stderr] 
Nov 18 16:59:12.358 INFO [stderr] warning: unused import: `serde_json`
Nov 18 16:59:12.359 INFO [stderr]   --> src/transport.rs:21:5
Nov 18 16:59:12.359 INFO [stderr]    |
Nov 18 16:59:12.359 INFO [stderr] 21 | use serde_json;
Nov 18 16:59:12.359 INFO [stderr]    |     ^^^^^^^^^^
Nov 18 16:59:12.360 INFO [stderr] 
Nov 18 16:59:12.360 INFO [stderr] warning: unused imports: `BufMut`, `BytesMut`
Nov 18 16:59:12.360 INFO [stderr]   --> src/transport.rs:22:13
Nov 18 16:59:12.361 INFO [stderr]    |
Nov 18 16:59:12.361 INFO [stderr] 22 | use bytes::{BufMut, BytesMut};
Nov 18 16:59:12.361 INFO [stderr]    |             ^^^^^^  ^^^^^^^^
Nov 18 16:59:12.361 INFO [stderr] 
Nov 18 16:59:12.362 INFO [stderr] warning: unused imports: `Decoder`, `Encoder`
Nov 18 16:59:12.362 INFO [stderr]   --> src/transport.rs:23:23
Nov 18 16:59:12.362 INFO [stderr]    |
Nov 18 16:59:12.362 INFO [stderr] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
Nov 18 16:59:12.363 INFO [stderr]    |                       ^^^^^^^  ^^^^^^^
Nov 18 16:59:12.363 INFO [stderr] 
Nov 18 16:59:12.363 INFO [stderr] warning: unused import: `tokio_io::AsyncRead`
Nov 18 16:59:12.364 INFO [stderr]   --> src/transport.rs:24:5
Nov 18 16:59:12.364 INFO [stderr]    |
Nov 18 16:59:12.364 INFO [stderr] 24 | use tokio_io::AsyncRead;
Nov 18 16:59:12.364 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:12.365 INFO [stderr] 
Nov 18 16:59:12.365 INFO [stderr] warning: unused imports: `future`, `sink`
Nov 18 16:59:12.365 INFO [stderr]   --> src/transport.rs:25:15
Nov 18 16:59:12.366 INFO [stderr]    |
Nov 18 16:59:12.366 INFO [stderr] 25 | use futures::{future, sink, Sink, Stream, Future, IntoFuture};
Nov 18 16:59:12.366 INFO [stderr]    |               ^^^^^^  ^^^^
Nov 18 16:59:12.366 INFO [stderr] 
Nov 18 16:59:12.407 INFO [stderr] warning: unused imports: `SplitSink`, `SplitStream`, `self`
Nov 18 16:59:12.407 INFO [stderr]   --> src/transport.rs:26:23
Nov 18 16:59:12.407 INFO [stderr]    |
Nov 18 16:59:12.407 INFO [stderr] 26 | use futures::stream::{self, SplitSink, SplitStream};
Nov 18 16:59:12.407 INFO [stderr]    |                       ^^^^  ^^^^^^^^^  ^^^^^^^^^^^
Nov 18 16:59:12.407 INFO [stderr] 
Nov 18 16:59:12.408 INFO [stderr] warning: unused import: `uuid::Uuid`
Nov 18 16:59:12.408 INFO [stderr]   --> src/transport.rs:27:5
Nov 18 16:59:12.408 INFO [stderr]    |
Nov 18 16:59:12.408 INFO [stderr] 27 | use uuid::Uuid;
Nov 18 16:59:12.408 INFO [stderr]    |     ^^^^^^^^^^
Nov 18 16:59:12.408 INFO [stderr] 
Nov 18 16:59:12.408 INFO [stderr] warning: unused imports: `from_binary`, `to_binary`
Nov 18 16:59:12.408 INFO [stderr]   --> src/transport.rs:29:6
Nov 18 16:59:12.408 INFO [stderr]    |
Nov 18 16:59:12.408 INFO [stderr] 29 | use {to_binary, from_binary};
Nov 18 16:59:12.408 INFO [stderr]    |      ^^^^^^^^^  ^^^^^^^^^^^
Nov 18 16:59:12.408 INFO [stderr] 
Nov 18 16:59:12.408 INFO [stderr] warning: unused import: `kernel::Peer`
Nov 18 16:59:12.408 INFO [stderr]   --> src/transport.rs:30:5
Nov 18 16:59:12.408 INFO [stderr]    |
Nov 18 16:59:12.408 INFO [stderr] 30 | use kernel::Peer;
Nov 18 16:59:12.408 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 18 16:59:12.408 INFO [stderr] 
Nov 18 16:59:12.408 INFO [stderr] warning: unused imports: `crc16_arr`, `crc16`
Nov 18 16:59:12.408 INFO [stderr]   --> src/lib.rs:29:13
Nov 18 16:59:12.408 INFO [stderr]    |
Nov 18 16:59:12.408 INFO [stderr] 29 | use crc16::{crc16_arr, crc16};
Nov 18 16:59:12.408 INFO [stderr]    |             ^^^^^^^^^  ^^^^^
Nov 18 16:59:12.408 INFO [stderr] 
Nov 18 16:59:12.408 INFO [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited': Moved to tokio-codec
Nov 18 16:59:12.408 INFO [stderr]   --> src/transport.rs:23:41
Nov 18 16:59:12.408 INFO [stderr]    |
Nov 18 16:59:12.408 INFO [stderr] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
Nov 18 16:59:12.408 INFO [stderr]    |                                         ^^^^^^^^^^^^^^^^
Nov 18 16:59:12.408 INFO [stderr]    |
Nov 18 16:59:12.408 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 18 16:59:12.408 INFO [stderr] 
Nov 18 16:59:12.408 INFO [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited::FramedRead': Moved to tokio-codec
Nov 18 16:59:12.408 INFO [stderr]    --> src/transport.rs:108:28
Nov 18 16:59:12.408 INFO [stderr]     |
Nov 18 16:59:12.408 INFO [stderr] 108 |             let deframed = length_delimited::FramedRead::new(socket);
Nov 18 16:59:12.408 INFO [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:12.408 INFO [stderr] 
Nov 18 16:59:12.408 INFO [stderr] warning: use of deprecated item 'tokio_io::codec::length_delimited::FramedWrite': Moved to tokio-codec
Nov 18 16:59:12.408 INFO [stderr]    --> src/transport.rs:143:26
Nov 18 16:59:12.408 INFO [stderr]     |
Nov 18 16:59:12.408 INFO [stderr] 143 |             let framed = length_delimited::FramedWrite::new(socket);
Nov 18 16:59:12.408 INFO [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:12.408 INFO [stderr] 
Nov 18 16:59:12.408 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Nov 18 16:59:12.408 INFO [stderr]    --> src/transport.rs:172:9
Nov 18 16:59:12.408 INFO [stderr]     |
Nov 18 16:59:12.408 INFO [stderr] 172 |         thread::sleep_ms(300);
Nov 18 16:59:12.408 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Nov 18 16:59:12.408 INFO [stderr] 
Nov 18 16:59:12.467 INFO [stderr] warning: use of deprecated item '<futures::sync::mpsc::UnboundedSender<T>>::send': renamed to `unbounded_send`
Nov 18 16:59:12.470 INFO [stderr]   --> src/transport.rs:61:24
Nov 18 16:59:12.471 INFO [stderr]    |
Nov 18 16:59:12.471 INFO [stderr] 61 |                     tx.send(msg).unwrap();
Nov 18 16:59:12.471 INFO [stderr]    |                        ^^^^
Nov 18 16:59:12.471 INFO [stderr] 
Nov 18 16:59:12.555 INFO [stderr] warning: unused variable: `i`
Nov 18 16:59:12.555 INFO [stderr]    --> src/transport.rs:180:13
Nov 18 16:59:12.555 INFO [stderr]     |
Nov 18 16:59:12.555 INFO [stderr] 180 |         for i in 1..4 {
Nov 18 16:59:12.555 INFO [stderr]     |             ^ help: consider using `_i` instead
Nov 18 16:59:12.555 INFO [stderr]     |
Nov 18 16:59:12.555 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 18 16:59:12.555 INFO [stderr] 
Nov 18 16:59:12.555 INFO [stderr] warning: unused variable: `peer`
Nov 18 16:59:12.555 INFO [stderr]   --> src/kernel.rs:38:20
Nov 18 16:59:12.555 INFO [stderr]    |
Nov 18 16:59:12.555 INFO [stderr] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
Nov 18 16:59:12.555 INFO [stderr]    |                    ^^^^ help: consider using `_peer` instead
Nov 18 16:59:12.555 INFO [stderr] 
Nov 18 16:59:12.555 INFO [stderr] warning: unused variable: `peer`
Nov 18 16:59:12.555 INFO [stderr]   --> src/kernel.rs:42:21
Nov 18 16:59:12.555 INFO [stderr]    |
Nov 18 16:59:12.555 INFO [stderr] 42 |     fn purge(&self, peer: Peer) {}
Nov 18 16:59:12.555 INFO [stderr]    |                     ^^^^ help: consider using `_peer` instead
Nov 18 16:59:12.555 INFO [stderr] 
Nov 18 16:59:12.555 INFO [stderr] warning: unused variable: `note`
Nov 18 16:59:12.555 INFO [stderr]   --> src/model.rs:84:26
Nov 18 16:59:12.555 INFO [stderr]    |
Nov 18 16:59:12.555 INFO [stderr] 84 |                 let (ref note, ref f) = self.processes[choice][*index];
Nov 18 16:59:12.555 INFO [stderr]    |                          ^^^^ help: consider using `_note` instead
Nov 18 16:59:12.555 INFO [stderr] 
Nov 18 16:59:12.638 INFO [stderr] warning: struct is never constructed: `TCPTransport`
Nov 18 16:59:12.639 INFO [stderr]   --> src/transport.rs:38:1
Nov 18 16:59:12.639 INFO [stderr]    |
Nov 18 16:59:12.639 INFO [stderr] 38 | struct TCPTransport<Rx, Tx> {
Nov 18 16:59:12.639 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:12.639 INFO [stderr]    |
Nov 18 16:59:12.639 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 16:59:12.639 INFO [stderr] 
Nov 18 16:59:12.639 INFO [stderr] warning: method is never used: `new`
Nov 18 16:59:12.639 INFO [stderr]   --> src/transport.rs:48:5
Nov 18 16:59:12.639 INFO [stderr]    |
Nov 18 16:59:12.639 INFO [stderr] 48 |     pub fn new(addr: SocketAddr) -> TCPTransport<Rx, Tx> {
Nov 18 16:59:12.639 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:12.639 INFO [stderr] 
Nov 18 16:59:12.639 INFO [stderr] warning: variant is never constructed: `Connected`
Nov 18 16:59:12.639 INFO [stderr]  --> src/kernel.rs:2:5
Nov 18 16:59:12.639 INFO [stderr]   |
Nov 18 16:59:12.639 INFO [stderr] 2 |     Connected,
Nov 18 16:59:12.639 INFO [stderr]   |     ^^^^^^^^^
Nov 18 16:59:12.639 INFO [stderr] 
Nov 18 16:59:12.639 INFO [stderr] warning: variant is never constructed: `Disconnected`
Nov 18 16:59:12.639 INFO [stderr]  --> src/kernel.rs:3:5
Nov 18 16:59:12.639 INFO [stderr]   |
Nov 18 16:59:12.639 INFO [stderr] 3 |     Disconnected,
Nov 18 16:59:12.639 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 18 16:59:12.639 INFO [stderr] 
Nov 18 16:59:12.639 INFO [stderr] warning: field is never used: `state`
Nov 18 16:59:12.639 INFO [stderr]  --> src/kernel.rs:7:5
Nov 18 16:59:12.639 INFO [stderr]   |
Nov 18 16:59:12.639 INFO [stderr] 7 |     state: PeerState,
Nov 18 16:59:12.639 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Nov 18 16:59:12.639 INFO [stderr] 
Nov 18 16:59:12.639 INFO [stderr] warning: field is never used: `addr`
Nov 18 16:59:12.639 INFO [stderr]  --> src/kernel.rs:8:5
Nov 18 16:59:12.639 INFO [stderr]   |
Nov 18 16:59:12.639 INFO [stderr] 8 |     addr: String,
Nov 18 16:59:12.639 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 18 16:59:12.639 INFO [stderr] 
Nov 18 16:59:12.639 INFO [stderr] warning: field is never used: `peers`
Nov 18 16:59:12.639 INFO [stderr]   --> src/kernel.rs:18:5
Nov 18 16:59:12.639 INFO [stderr]    |
Nov 18 16:59:12.639 INFO [stderr] 18 |     peers: Vec<Peer>,
Nov 18 16:59:12.639 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 18 16:59:12.639 INFO [stderr] 
Nov 18 16:59:12.639 INFO [stderr] warning: method is never used: `cron`
Nov 18 16:59:12.639 INFO [stderr]   --> src/kernel.rs:28:5
Nov 18 16:59:12.639 INFO [stderr]    |
Nov 18 16:59:12.639 INFO [stderr] 28 |     fn cron(&self) {
Nov 18 16:59:12.639 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 18 16:59:12.639 INFO [stderr] 
Nov 18 16:59:12.639 INFO [stderr] warning: struct is never constructed: `Inner`
Nov 18 16:59:12.639 INFO [stderr]   --> src/fsm.rs:39:9
Nov 18 16:59:12.639 INFO [stderr]    |
Nov 18 16:59:12.639 INFO [stderr] 39 |         struct Inner {
Nov 18 16:59:12.639 INFO [stderr]    |         ^^^^^^^^^^^^
Nov 18 16:59:12.639 INFO [stderr] 
Nov 18 16:59:12.639 INFO [stderr] warning: function is never used: `fact`
Nov 18 16:59:12.639 INFO [stderr]    --> src/model.rs:101:1
Nov 18 16:59:12.639 INFO [stderr]     |
Nov 18 16:59:12.639 INFO [stderr] 101 | fn fact(n: usize) -> usize {
Nov 18 16:59:12.639 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:59:12.639 INFO [stderr] 
Nov 18 16:59:16.803 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.89s
Nov 18 16:59:16.821 INFO [stderr] su: No module specific data is present
Nov 18 16:59:17.608 INFO running `"docker" "inspect" "d9da810f9f8cadaf6e6f141c8b19a059e867329ac1a1d2817e6b75a35a14e73f"`
Nov 18 16:59:17.937 INFO running `"docker" "rm" "-f" "d9da810f9f8cadaf6e6f141c8b19a059e867329ac1a1d2817e6b75a35a14e73f"`
Nov 18 16:59:18.257 INFO [stdout] d9da810f9f8cadaf6e6f141c8b19a059e867329ac1a1d2817e6b75a35a14e73f
Nov 18 16:59:18.263 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 16:59:18.679 INFO [stdout] c43424d86264563d1d2736a3561ddf589073b0776b2ccfb32a9915d9c9a1bad4
Nov 18 16:59:18.681 INFO running `"docker" "start" "-a" "c43424d86264563d1d2736a3561ddf589073b0776b2ccfb32a9915d9c9a1bad4"`
Nov 18 16:59:19.763 INFO [stderr] usermod: no changes
Nov 18 16:59:19.941 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
Nov 18 16:59:19.960 INFO [stderr]      Running /target/debug/deps/crack-b6b47ca1bd6c8cfd
Nov 18 16:59:19.971 INFO [stdout] 
Nov 18 16:59:19.971 INFO [stdout] running 5 tests
Nov 18 16:59:19.971 INFO [stdout] test fsm::tests::it_works ... ignored
Nov 18 16:59:19.971 INFO [stdout] test crc16::test_crc16 ... ok
Nov 18 16:59:19.972 INFO [stdout] test model::tests::it_works ... ok
Nov 18 16:59:19.975 INFO [stdout] test kernel::tests::it_works ... ok
Nov 18 16:59:20.278 INFO [stdout] got a new connection from V4(127.0.0.1:55536)
Nov 18 16:59:20.285 INFO [stdout] test transport::tests::it_works ... ok
Nov 18 16:59:20.285 INFO [stdout] 
Nov 18 16:59:20.285 INFO [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
Nov 18 16:59:20.285 INFO [stdout] 
Nov 18 16:59:20.298 INFO [stderr]    Doc-tests crack
Nov 18 16:59:27.271 INFO [stdout] 
Nov 18 16:59:27.271 INFO [stdout] running 0 tests
Nov 18 16:59:27.271 INFO [stdout] 
Nov 18 16:59:27.271 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 16:59:27.271 INFO [stdout] 
Nov 18 16:59:27.283 INFO [stderr] su: No module specific data is present
Nov 18 16:59:27.568 INFO running `"docker" "inspect" "c43424d86264563d1d2736a3561ddf589073b0776b2ccfb32a9915d9c9a1bad4"`
Nov 18 16:59:27.692 INFO running `"docker" "rm" "-f" "c43424d86264563d1d2736a3561ddf589073b0776b2ccfb32a9915d9c9a1bad4"`
Nov 18 16:59:27.822 INFO [stdout] c43424d86264563d1d2736a3561ddf589073b0776b2ccfb32a9915d9c9a1bad4