Dec 18 00:54:03.665 INFO checking eerykitty/emu against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:54:03.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/eerykitty/emu:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:54:04.028 INFO [stdout] 5ec1419e646ab5b4e0869b5933a775e18008638e120b5c7cbb25a8eb37280089
Dec 18 00:54:04.030 INFO running `"docker" "start" "-a" "5ec1419e646ab5b4e0869b5933a775e18008638e120b5c7cbb25a8eb37280089"`
Dec 18 00:54:05.216 INFO [stderr]     Checking emu v0.1.0 (/opt/crater/workdir)
Dec 18 00:54:05.505 INFO [stderr] warning: unused import: `Shutdown`
Dec 18 00:54:05.505 INFO [stderr]  --> src/net/raw.rs:5:40
Dec 18 00:54:05.505 INFO [stderr]   |
Dec 18 00:54:05.505 INFO [stderr] 5 | use std::net::{TcpListener, TcpStream, Shutdown};
Dec 18 00:54:05.505 INFO [stderr]   |                                        ^^^^^^^^
Dec 18 00:54:05.505 INFO [stderr]   |
Dec 18 00:54:05.505 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:54:05.505 INFO [stderr] 
Dec 18 00:54:05.505 INFO [stderr] warning: unused import: `BufWriter`
Dec 18 00:54:05.505 INFO [stderr]   --> src/net/raw.rs:10:26
Dec 18 00:54:05.505 INFO [stderr]    |
Dec 18 00:54:05.505 INFO [stderr] 10 | use std::io::{BufReader, BufWriter};
Dec 18 00:54:05.505 INFO [stderr]    |                          ^^^^^^^^^
Dec 18 00:54:05.505 INFO [stderr] 
Dec 18 00:54:05.505 INFO [stderr] warning: unused import: `channel`
Dec 18 00:54:05.505 INFO [stderr]  --> src/net/connection.rs:5:41
Dec 18 00:54:05.505 INFO [stderr]   |
Dec 18 00:54:05.505 INFO [stderr] 5 | use std::sync::mpsc::{Sender, Receiver, channel};
Dec 18 00:54:05.505 INFO [stderr]   |                                         ^^^^^^^
Dec 18 00:54:05.505 INFO [stderr] 
Dec 18 00:54:05.505 INFO [stderr] warning: unused import: `std::thread`
Dec 18 00:54:05.505 INFO [stderr]  --> src/main.rs:3:5
Dec 18 00:54:05.505 INFO [stderr]   |
Dec 18 00:54:05.505 INFO [stderr] 3 | use std::thread;
Dec 18 00:54:05.505 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 00:54:05.505 INFO [stderr] 
Dec 18 00:54:05.505 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 18 00:54:05.505 INFO [stderr]  --> src/main.rs:4:23
Dec 18 00:54:05.505 INFO [stderr]   |
Dec 18 00:54:05.505 INFO [stderr] 4 | use std::sync::mpsc::{Sender, Receiver, channel};
Dec 18 00:54:05.505 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 18 00:54:05.505 INFO [stderr] 
Dec 18 00:54:05.505 INFO [stderr] warning: unused import: `net::raw::*`
Dec 18 00:54:05.505 INFO [stderr]  --> src/main.rs:5:5
Dec 18 00:54:05.505 INFO [stderr]   |
Dec 18 00:54:05.505 INFO [stderr] 5 | use net::raw::*;
Dec 18 00:54:05.505 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 00:54:05.505 INFO [stderr] 
Dec 18 00:54:05.505 INFO [stderr] warning: unused import: `net::connection::*`
Dec 18 00:54:05.505 INFO [stderr]  --> src/main.rs:6:5
Dec 18 00:54:05.505 INFO [stderr]   |
Dec 18 00:54:05.505 INFO [stderr] 6 | use net::connection::*;
Dec 18 00:54:05.505 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 00:54:05.505 INFO [stderr] 
Dec 18 00:54:05.566 INFO [stderr] warning: unused variable: `e`
Dec 18 00:54:05.566 INFO [stderr]   --> src/net/raw.rs:29:17
Dec 18 00:54:05.566 INFO [stderr]    |
Dec 18 00:54:05.566 INFO [stderr] 29 |             Err(e) => {
Dec 18 00:54:05.566 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 18 00:54:05.566 INFO [stderr]    |
Dec 18 00:54:05.566 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:54:05.566 INFO [stderr] 
Dec 18 00:54:05.566 INFO [stderr] warning: unused variable: `e`
Dec 18 00:54:05.566 INFO [stderr]   --> src/net/raw.rs:46:17
Dec 18 00:54:05.566 INFO [stderr]    |
Dec 18 00:54:05.566 INFO [stderr] 46 |             Err(e) => {
Dec 18 00:54:05.566 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 18 00:54:05.566 INFO [stderr] 
Dec 18 00:54:05.566 INFO [stderr] warning: unused variable: `stream`
Dec 18 00:54:05.566 INFO [stderr]   --> src/net/raw.rs:37:26
Dec 18 00:54:05.566 INFO [stderr]    |
Dec 18 00:54:05.566 INFO [stderr] 37 | fn connection_sender(mut stream: TcpStream, rx_to_client: Receiver<NetMsg>) {
Dec 18 00:54:05.566 INFO [stderr]    |                          ^^^^^^ help: consider using `_stream` instead
Dec 18 00:54:05.566 INFO [stderr] 
Dec 18 00:54:05.566 INFO [stderr] warning: unused variable: `rx_to_client`
Dec 18 00:54:05.566 INFO [stderr]   --> src/net/raw.rs:76:12
Dec 18 00:54:05.566 INFO [stderr]    |
Dec 18 00:54:05.566 INFO [stderr] 76 | pub fn run(rx_to_client: Receiver<NetMsg>) -> io::Result<Receiver<Connection>> {
Dec 18 00:54:05.566 INFO [stderr]    |            ^^^^^^^^^^^^ help: consider using `_rx_to_client` instead
Dec 18 00:54:05.566 INFO [stderr] 
Dec 18 00:54:05.566 INFO [stderr] warning: unused variable: `tx`
Dec 18 00:54:05.566 INFO [stderr]   --> src/main.rs:19:10
Dec 18 00:54:05.566 INFO [stderr]    |
Dec 18 00:54:05.566 INFO [stderr] 19 |     let (tx, rx) = channel::<net::connection::NetMsg>();
Dec 18 00:54:05.566 INFO [stderr]    |          ^^ help: consider using `_tx` instead
Dec 18 00:54:05.566 INFO [stderr] 
Dec 18 00:54:05.566 INFO [stderr] warning: unused variable: `foo`
Dec 18 00:54:05.566 INFO [stderr]   --> src/main.rs:20:9
Dec 18 00:54:05.566 INFO [stderr]    |
Dec 18 00:54:05.566 INFO [stderr] 20 |     let foo = net::raw::run(rx).unwrap();
Dec 18 00:54:05.566 INFO [stderr]    |         ^^^ help: consider using `_foo` instead
Dec 18 00:54:05.566 INFO [stderr] 
Dec 18 00:54:05.566 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:54:05.566 INFO [stderr]   --> src/net/raw.rs:13:24
Dec 18 00:54:05.566 INFO [stderr]    |
Dec 18 00:54:05.566 INFO [stderr] 13 | fn connection_listener(mut stream: TcpStream, tx_from_client: Sender<UserCmd>) {
Dec 18 00:54:05.566 INFO [stderr]    |                        ----^^^^^^
Dec 18 00:54:05.566 INFO [stderr]    |                        |
Dec 18 00:54:05.566 INFO [stderr]    |                        help: remove this `mut`
Dec 18 00:54:05.567 INFO [stderr]    |
Dec 18 00:54:05.567 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 00:54:05.567 INFO [stderr] 
Dec 18 00:54:05.567 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:54:05.567 INFO [stderr]   --> src/net/raw.rs:37:22
Dec 18 00:54:05.567 INFO [stderr]    |
Dec 18 00:54:05.567 INFO [stderr] 37 | fn connection_sender(mut stream: TcpStream, rx_to_client: Receiver<NetMsg>) {
Dec 18 00:54:05.567 INFO [stderr]    |                      ----^^^^^^
Dec 18 00:54:05.567 INFO [stderr]    |                      |
Dec 18 00:54:05.567 INFO [stderr]    |                      help: remove this `mut`
Dec 18 00:54:05.567 INFO [stderr] 
Dec 18 00:54:05.576 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:54:05.576 INFO [stderr]   --> src/net/raw.rs:53:11
Dec 18 00:54:05.576 INFO [stderr]    |
Dec 18 00:54:05.576 INFO [stderr] 53 | fn accept(mut listener: TcpListener, new_connections: Sender<Connection>) {
Dec 18 00:54:05.576 INFO [stderr]    |           ----^^^^^^^^
Dec 18 00:54:05.576 INFO [stderr]    |           |
Dec 18 00:54:05.576 INFO [stderr]    |           help: remove this `mut`
Dec 18 00:54:05.576 INFO [stderr] 
Dec 18 00:54:05.576 INFO [stderr] warning: variant is never constructed: `RawString`
Dec 18 00:54:05.576 INFO [stderr]  --> src/net/connection.rs:8:5
Dec 18 00:54:05.576 INFO [stderr]   |
Dec 18 00:54:05.576 INFO [stderr] 8 |     RawString(String),
Dec 18 00:54:05.576 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 00:54:05.576 INFO [stderr]   |
Dec 18 00:54:05.576 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 00:54:05.576 INFO [stderr] 
Dec 18 00:54:05.576 INFO [stderr] warning: variant is never constructed: `RawString`
Dec 18 00:54:05.576 INFO [stderr]   --> src/net/connection.rs:12:5
Dec 18 00:54:05.576 INFO [stderr]    |
Dec 18 00:54:05.576 INFO [stderr] 12 |     RawString(String),
Dec 18 00:54:05.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 00:54:05.576 INFO [stderr] 
Dec 18 00:54:05.580 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Dec 18 00:54:05.580 INFO [stderr]   --> src/main.rs:21:5
Dec 18 00:54:05.580 INFO [stderr]    |
Dec 18 00:54:05.580 INFO [stderr] 21 |     while true {
Dec 18 00:54:05.580 INFO [stderr]    |     ^^^^^^^^^^ help: use `loop`
Dec 18 00:54:05.580 INFO [stderr]    |
Dec 18 00:54:05.580 INFO [stderr]    = note: #[warn(while_true)] on by default
Dec 18 00:54:05.580 INFO [stderr] 
Dec 18 00:54:05.736 INFO [stderr] warning: unused import: `Shutdown`
Dec 18 00:54:05.736 INFO [stderr]  --> src/net/raw.rs:5:40
Dec 18 00:54:05.736 INFO [stderr]   |
Dec 18 00:54:05.736 INFO [stderr] 5 | use std::net::{TcpListener, TcpStream, Shutdown};
Dec 18 00:54:05.736 INFO [stderr]   |                                        ^^^^^^^^
Dec 18 00:54:05.736 INFO [stderr]   |
Dec 18 00:54:05.736 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:54:05.736 INFO [stderr] 
Dec 18 00:54:05.736 INFO [stderr] warning: unused import: `BufWriter`
Dec 18 00:54:05.736 INFO [stderr]   --> src/net/raw.rs:10:26
Dec 18 00:54:05.736 INFO [stderr]    |
Dec 18 00:54:05.736 INFO [stderr] 10 | use std::io::{BufReader, BufWriter};
Dec 18 00:54:05.736 INFO [stderr]    |                          ^^^^^^^^^
Dec 18 00:54:05.736 INFO [stderr] 
Dec 18 00:54:05.736 INFO [stderr] warning: unused import: `channel`
Dec 18 00:54:05.736 INFO [stderr]  --> src/net/connection.rs:5:41
Dec 18 00:54:05.736 INFO [stderr]   |
Dec 18 00:54:05.736 INFO [stderr] 5 | use std::sync::mpsc::{Sender, Receiver, channel};
Dec 18 00:54:05.736 INFO [stderr]   |                                         ^^^^^^^
Dec 18 00:54:05.736 INFO [stderr] 
Dec 18 00:54:05.736 INFO [stderr] warning: unused import: `std::thread`
Dec 18 00:54:05.736 INFO [stderr]  --> src/main.rs:3:5
Dec 18 00:54:05.736 INFO [stderr]   |
Dec 18 00:54:05.736 INFO [stderr] 3 | use std::thread;
Dec 18 00:54:05.736 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 00:54:05.736 INFO [stderr] 
Dec 18 00:54:05.736 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 18 00:54:05.736 INFO [stderr]  --> src/main.rs:4:23
Dec 18 00:54:05.736 INFO [stderr]   |
Dec 18 00:54:05.736 INFO [stderr] 4 | use std::sync::mpsc::{Sender, Receiver, channel};
Dec 18 00:54:05.736 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 18 00:54:05.736 INFO [stderr] 
Dec 18 00:54:05.736 INFO [stderr] warning: unused import: `net::raw::*`
Dec 18 00:54:05.736 INFO [stderr]  --> src/main.rs:5:5
Dec 18 00:54:05.736 INFO [stderr]   |
Dec 18 00:54:05.736 INFO [stderr] 5 | use net::raw::*;
Dec 18 00:54:05.736 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 00:54:05.736 INFO [stderr] 
Dec 18 00:54:05.736 INFO [stderr] warning: unused import: `net::connection::*`
Dec 18 00:54:05.736 INFO [stderr]  --> src/main.rs:6:5
Dec 18 00:54:05.736 INFO [stderr]   |
Dec 18 00:54:05.736 INFO [stderr] 6 | use net::connection::*;
Dec 18 00:54:05.736 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 00:54:05.736 INFO [stderr] 
Dec 18 00:54:05.800 INFO [stderr] warning: unused variable: `e`
Dec 18 00:54:05.800 INFO [stderr]   --> src/net/raw.rs:29:17
Dec 18 00:54:05.800 INFO [stderr]    |
Dec 18 00:54:05.800 INFO [stderr] 29 |             Err(e) => {
Dec 18 00:54:05.800 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 18 00:54:05.800 INFO [stderr]    |
Dec 18 00:54:05.800 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:54:05.800 INFO [stderr] 
Dec 18 00:54:05.800 INFO [stderr] warning: unused variable: `e`
Dec 18 00:54:05.800 INFO [stderr]   --> src/net/raw.rs:46:17
Dec 18 00:54:05.800 INFO [stderr]    |
Dec 18 00:54:05.800 INFO [stderr] 46 |             Err(e) => {
Dec 18 00:54:05.800 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 18 00:54:05.800 INFO [stderr] 
Dec 18 00:54:05.800 INFO [stderr] warning: unused variable: `stream`
Dec 18 00:54:05.800 INFO [stderr]   --> src/net/raw.rs:37:26
Dec 18 00:54:05.800 INFO [stderr]    |
Dec 18 00:54:05.800 INFO [stderr] 37 | fn connection_sender(mut stream: TcpStream, rx_to_client: Receiver<NetMsg>) {
Dec 18 00:54:05.800 INFO [stderr]    |                          ^^^^^^ help: consider using `_stream` instead
Dec 18 00:54:05.800 INFO [stderr] 
Dec 18 00:54:05.801 INFO [stderr] warning: unused variable: `rx_to_client`
Dec 18 00:54:05.801 INFO [stderr]   --> src/net/raw.rs:76:12
Dec 18 00:54:05.801 INFO [stderr]    |
Dec 18 00:54:05.801 INFO [stderr] 76 | pub fn run(rx_to_client: Receiver<NetMsg>) -> io::Result<Receiver<Connection>> {
Dec 18 00:54:05.801 INFO [stderr]    |            ^^^^^^^^^^^^ help: consider using `_rx_to_client` instead
Dec 18 00:54:05.801 INFO [stderr] 
Dec 18 00:54:05.801 INFO [stderr] warning: unused variable: `tx`
Dec 18 00:54:05.801 INFO [stderr]   --> src/main.rs:19:10
Dec 18 00:54:05.801 INFO [stderr]    |
Dec 18 00:54:05.801 INFO [stderr] 19 |     let (tx, rx) = channel::<net::connection::NetMsg>();
Dec 18 00:54:05.801 INFO [stderr]    |          ^^ help: consider using `_tx` instead
Dec 18 00:54:05.801 INFO [stderr] 
Dec 18 00:54:05.801 INFO [stderr] warning: unused variable: `foo`
Dec 18 00:54:05.801 INFO [stderr]   --> src/main.rs:20:9
Dec 18 00:54:05.801 INFO [stderr]    |
Dec 18 00:54:05.801 INFO [stderr] 20 |     let foo = net::raw::run(rx).unwrap();
Dec 18 00:54:05.801 INFO [stderr]    |         ^^^ help: consider using `_foo` instead
Dec 18 00:54:05.801 INFO [stderr] 
Dec 18 00:54:05.806 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:54:05.806 INFO [stderr]   --> src/net/raw.rs:13:24
Dec 18 00:54:05.806 INFO [stderr]    |
Dec 18 00:54:05.806 INFO [stderr] 13 | fn connection_listener(mut stream: TcpStream, tx_from_client: Sender<UserCmd>) {
Dec 18 00:54:05.806 INFO [stderr]    |                        ----^^^^^^
Dec 18 00:54:05.806 INFO [stderr]    |                        |
Dec 18 00:54:05.806 INFO [stderr]    |                        help: remove this `mut`
Dec 18 00:54:05.806 INFO [stderr]    |
Dec 18 00:54:05.806 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 00:54:05.806 INFO [stderr] 
Dec 18 00:54:05.806 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:54:05.806 INFO [stderr]   --> src/net/raw.rs:37:22
Dec 18 00:54:05.806 INFO [stderr]    |
Dec 18 00:54:05.806 INFO [stderr] 37 | fn connection_sender(mut stream: TcpStream, rx_to_client: Receiver<NetMsg>) {
Dec 18 00:54:05.806 INFO [stderr]    |                      ----^^^^^^
Dec 18 00:54:05.806 INFO [stderr]    |                      |
Dec 18 00:54:05.806 INFO [stderr]    |                      help: remove this `mut`
Dec 18 00:54:05.806 INFO [stderr] 
Dec 18 00:54:05.812 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:54:05.812 INFO [stderr]   --> src/net/raw.rs:53:11
Dec 18 00:54:05.812 INFO [stderr]    |
Dec 18 00:54:05.812 INFO [stderr] 53 | fn accept(mut listener: TcpListener, new_connections: Sender<Connection>) {
Dec 18 00:54:05.812 INFO [stderr]    |           ----^^^^^^^^
Dec 18 00:54:05.812 INFO [stderr]    |           |
Dec 18 00:54:05.812 INFO [stderr]    |           help: remove this `mut`
Dec 18 00:54:05.812 INFO [stderr] 
Dec 18 00:54:05.812 INFO [stderr] warning: variant is never constructed: `RawString`
Dec 18 00:54:05.812 INFO [stderr]  --> src/net/connection.rs:8:5
Dec 18 00:54:05.812 INFO [stderr]   |
Dec 18 00:54:05.812 INFO [stderr] 8 |     RawString(String),
Dec 18 00:54:05.812 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 00:54:05.812 INFO [stderr]   |
Dec 18 00:54:05.812 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 00:54:05.812 INFO [stderr] 
Dec 18 00:54:05.812 INFO [stderr] warning: variant is never constructed: `RawString`
Dec 18 00:54:05.812 INFO [stderr]   --> src/net/connection.rs:12:5
Dec 18 00:54:05.812 INFO [stderr]    |
Dec 18 00:54:05.812 INFO [stderr] 12 |     RawString(String),
Dec 18 00:54:05.812 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 00:54:05.812 INFO [stderr] 
Dec 18 00:54:05.812 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Dec 18 00:54:05.812 INFO [stderr]   --> src/main.rs:21:5
Dec 18 00:54:05.813 INFO [stderr]    |
Dec 18 00:54:05.813 INFO [stderr] 21 |     while true {
Dec 18 00:54:05.813 INFO [stderr]    |     ^^^^^^^^^^ help: use `loop`
Dec 18 00:54:05.813 INFO [stderr]    |
Dec 18 00:54:05.813 INFO [stderr]    = note: #[warn(while_true)] on by default
Dec 18 00:54:05.813 INFO [stderr] 
Dec 18 00:54:05.845 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 18 00:54:06.430 INFO running `"docker" "inspect" "5ec1419e646ab5b4e0869b5933a775e18008638e120b5c7cbb25a8eb37280089"`
Dec 18 00:54:06.651 INFO running `"docker" "rm" "-f" "5ec1419e646ab5b4e0869b5933a775e18008638e120b5c7cbb25a8eb37280089"`
Dec 18 00:54:06.927 INFO [stdout] 5ec1419e646ab5b4e0869b5933a775e18008638e120b5c7cbb25a8eb37280089