Dec 18 04:39:01.030 INFO checking abhijeetbhagat/mio-socket against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 04:39:01.030 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/abhijeetbhagat/mio-socket:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:39:01.615 INFO [stdout] a523984b7b2fe977b68f13879d161f5d439edbbccbf03c14a35a0a5b7ef5119d
Dec 18 04:39:01.622 INFO running `"docker" "start" "-a" "a523984b7b2fe977b68f13879d161f5d439edbbccbf03c14a35a0a5b7ef5119d"`
Dec 18 04:39:03.352 INFO [stderr]     Checking net2 v0.2.26
Dec 18 04:39:03.356 INFO [stderr]     Checking nix v0.7.0
Dec 18 04:39:06.972 INFO [stderr]     Checking mio v0.6.2
Dec 18 04:39:08.344 INFO [stderr]     Checking mio-udp v0.1.0 (/opt/crater/workdir)
Dec 18 04:39:08.720 INFO [stderr] warning: unused variable: `amt`
Dec 18 04:39:08.720 INFO [stderr]   --> src/main.rs:36:22
Dec 18 04:39:08.720 INFO [stderr]    |
Dec 18 04:39:08.720 INFO [stderr] 36 |                 let (amt, src) = self.socket.recv_from(&mut buf).unwrap().unwrap();
Dec 18 04:39:08.720 INFO [stderr]    |                      ^^^ help: consider using `_amt` instead
Dec 18 04:39:08.720 INFO [stderr]    |
Dec 18 04:39:08.720 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:39:08.720 INFO [stderr] 
Dec 18 04:39:08.720 INFO [stderr] warning: unused variable: `src`
Dec 18 04:39:08.720 INFO [stderr]   --> src/main.rs:36:27
Dec 18 04:39:08.721 INFO [stderr]    |
Dec 18 04:39:08.721 INFO [stderr] 36 |                 let (amt, src) = self.socket.recv_from(&mut buf).unwrap().unwrap();
Dec 18 04:39:08.721 INFO [stderr]    |                           ^^^ help: consider using `_src` instead
Dec 18 04:39:08.721 INFO [stderr] 
Dec 18 04:39:08.721 INFO [stderr] warning: unused variable: `event_loop`
Dec 18 04:39:08.721 INFO [stderr]   --> src/main.rs:32:25
Dec 18 04:39:08.721 INFO [stderr]    |
Dec 18 04:39:08.721 INFO [stderr] 32 |     fn ready(&mut self, event_loop : &mut EventLoop<UdpEndServer>, token : Token, event_set : Ready){
Dec 18 04:39:08.721 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 18 04:39:08.721 INFO [stderr] 
Dec 18 04:39:08.731 INFO [stderr] warning: field is never used: `socket`
Dec 18 04:39:08.731 INFO [stderr]  --> src/main.rs:9:5
Dec 18 04:39:08.731 INFO [stderr]   |
Dec 18 04:39:08.731 INFO [stderr] 9 |     socket : UdpSocket,
Dec 18 04:39:08.731 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.731 INFO [stderr]   |
Dec 18 04:39:08.731 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 04:39:08.731 INFO [stderr] 
Dec 18 04:39:08.731 INFO [stderr] warning: field is never used: `token`
Dec 18 04:39:08.731 INFO [stderr]   --> src/main.rs:10:5
Dec 18 04:39:08.731 INFO [stderr]    |
Dec 18 04:39:08.731 INFO [stderr] 10 |     token : Token,
Dec 18 04:39:08.731 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 04:39:08.731 INFO [stderr] 
Dec 18 04:39:08.731 INFO [stderr] warning: field is never used: `interest`
Dec 18 04:39:08.731 INFO [stderr]   --> src/main.rs:11:5
Dec 18 04:39:08.731 INFO [stderr]    |
Dec 18 04:39:08.731 INFO [stderr] 11 |     interest : Ready
Dec 18 04:39:08.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 04:39:08.731 INFO [stderr] 
Dec 18 04:39:08.731 INFO [stderr] warning: field is never used: `client`
Dec 18 04:39:08.731 INFO [stderr]   --> src/main.rs:17:5
Dec 18 04:39:08.731 INFO [stderr]    |
Dec 18 04:39:08.731 INFO [stderr] 17 |     client : Option<UdpConnection> 
Dec 18 04:39:08.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.731 INFO [stderr] 
Dec 18 04:39:08.731 INFO [stderr] warning: struct is never constructed: `UdpEndClient`
Dec 18 04:39:08.731 INFO [stderr]   --> src/main.rs:45:1
Dec 18 04:39:08.731 INFO [stderr]    |
Dec 18 04:39:08.731 INFO [stderr] 45 | struct UdpEndClient{
Dec 18 04:39:08.731 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.731 INFO [stderr] 
Dec 18 04:39:08.731 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:39:08.731 INFO [stderr]   --> src/main.rs:55:9
Dec 18 04:39:08.731 INFO [stderr]    |
Dec 18 04:39:08.731 INFO [stderr] 55 |         event_loop.register(&server.socket, server.token, Ready::readable(), PollOpt::edge());
Dec 18 04:39:08.731 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.731 INFO [stderr]    |
Dec 18 04:39:08.731 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 04:39:08.731 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:39:08.731 INFO [stderr] 
Dec 18 04:39:08.731 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:39:08.731 INFO [stderr]   --> src/main.rs:56:9
Dec 18 04:39:08.731 INFO [stderr]    |
Dec 18 04:39:08.731 INFO [stderr] 56 |         event_loop.run(&mut server);
Dec 18 04:39:08.731 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.731 INFO [stderr]    |
Dec 18 04:39:08.731 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:39:08.731 INFO [stderr] 
Dec 18 04:39:08.731 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:39:08.731 INFO [stderr]   --> src/main.rs:59:9
Dec 18 04:39:08.731 INFO [stderr]    |
Dec 18 04:39:08.731 INFO [stderr] 59 |         socket.send_to("abhi".as_bytes(), &SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080));
Dec 18 04:39:08.731 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.731 INFO [stderr]    |
Dec 18 04:39:08.731 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:39:08.731 INFO [stderr] 
Dec 18 04:39:08.820 INFO [stderr] warning: unused variable: `amt`
Dec 18 04:39:08.820 INFO [stderr]   --> src/main.rs:36:22
Dec 18 04:39:08.820 INFO [stderr]    |
Dec 18 04:39:08.820 INFO [stderr] 36 |                 let (amt, src) = self.socket.recv_from(&mut buf).unwrap().unwrap();
Dec 18 04:39:08.820 INFO [stderr]    |                      ^^^ help: consider using `_amt` instead
Dec 18 04:39:08.820 INFO [stderr]    |
Dec 18 04:39:08.821 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:39:08.821 INFO [stderr] 
Dec 18 04:39:08.821 INFO [stderr] warning: unused variable: `src`
Dec 18 04:39:08.821 INFO [stderr]   --> src/main.rs:36:27
Dec 18 04:39:08.821 INFO [stderr]    |
Dec 18 04:39:08.821 INFO [stderr] 36 |                 let (amt, src) = self.socket.recv_from(&mut buf).unwrap().unwrap();
Dec 18 04:39:08.821 INFO [stderr]    |                           ^^^ help: consider using `_src` instead
Dec 18 04:39:08.821 INFO [stderr] 
Dec 18 04:39:08.821 INFO [stderr] warning: unused variable: `event_loop`
Dec 18 04:39:08.821 INFO [stderr]   --> src/main.rs:32:25
Dec 18 04:39:08.821 INFO [stderr]    |
Dec 18 04:39:08.821 INFO [stderr] 32 |     fn ready(&mut self, event_loop : &mut EventLoop<UdpEndServer>, token : Token, event_set : Ready){
Dec 18 04:39:08.821 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 18 04:39:08.821 INFO [stderr] 
Dec 18 04:39:08.821 INFO [stderr] warning: field is never used: `socket`
Dec 18 04:39:08.821 INFO [stderr]  --> src/main.rs:9:5
Dec 18 04:39:08.821 INFO [stderr]   |
Dec 18 04:39:08.821 INFO [stderr] 9 |     socket : UdpSocket,
Dec 18 04:39:08.821 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.821 INFO [stderr]   |
Dec 18 04:39:08.821 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 04:39:08.821 INFO [stderr] 
Dec 18 04:39:08.821 INFO [stderr] warning: field is never used: `token`
Dec 18 04:39:08.821 INFO [stderr]   --> src/main.rs:10:5
Dec 18 04:39:08.822 INFO [stderr]    |
Dec 18 04:39:08.822 INFO [stderr] 10 |     token : Token,
Dec 18 04:39:08.822 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 04:39:08.822 INFO [stderr] 
Dec 18 04:39:08.822 INFO [stderr] warning: field is never used: `interest`
Dec 18 04:39:08.822 INFO [stderr]   --> src/main.rs:11:5
Dec 18 04:39:08.822 INFO [stderr]    |
Dec 18 04:39:08.822 INFO [stderr] 11 |     interest : Ready
Dec 18 04:39:08.822 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 04:39:08.822 INFO [stderr] 
Dec 18 04:39:08.822 INFO [stderr] warning: field is never used: `client`
Dec 18 04:39:08.822 INFO [stderr]   --> src/main.rs:17:5
Dec 18 04:39:08.822 INFO [stderr]    |
Dec 18 04:39:08.822 INFO [stderr] 17 |     client : Option<UdpConnection> 
Dec 18 04:39:08.822 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.822 INFO [stderr] 
Dec 18 04:39:08.822 INFO [stderr] warning: struct is never constructed: `UdpEndClient`
Dec 18 04:39:08.822 INFO [stderr]   --> src/main.rs:45:1
Dec 18 04:39:08.822 INFO [stderr]    |
Dec 18 04:39:08.822 INFO [stderr] 45 | struct UdpEndClient{
Dec 18 04:39:08.822 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.822 INFO [stderr] 
Dec 18 04:39:08.822 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:39:08.822 INFO [stderr]   --> src/main.rs:55:9
Dec 18 04:39:08.822 INFO [stderr]    |
Dec 18 04:39:08.822 INFO [stderr] 55 |         event_loop.register(&server.socket, server.token, Ready::readable(), PollOpt::edge());
Dec 18 04:39:08.822 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.822 INFO [stderr]    |
Dec 18 04:39:08.822 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 04:39:08.822 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:39:08.822 INFO [stderr] 
Dec 18 04:39:08.822 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:39:08.822 INFO [stderr]   --> src/main.rs:56:9
Dec 18 04:39:08.822 INFO [stderr]    |
Dec 18 04:39:08.822 INFO [stderr] 56 |         event_loop.run(&mut server);
Dec 18 04:39:08.822 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.822 INFO [stderr]    |
Dec 18 04:39:08.822 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:39:08.822 INFO [stderr] 
Dec 18 04:39:08.822 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:39:08.822 INFO [stderr]   --> src/main.rs:59:9
Dec 18 04:39:08.822 INFO [stderr]    |
Dec 18 04:39:08.822 INFO [stderr] 59 |         socket.send_to("abhi".as_bytes(), &SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080));
Dec 18 04:39:08.822 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:39:08.822 INFO [stderr]    |
Dec 18 04:39:08.822 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:39:08.822 INFO [stderr] 
Dec 18 04:39:08.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.60s
Dec 18 04:39:09.684 INFO running `"docker" "inspect" "a523984b7b2fe977b68f13879d161f5d439edbbccbf03c14a35a0a5b7ef5119d"`
Dec 18 04:39:09.972 INFO running `"docker" "rm" "-f" "a523984b7b2fe977b68f13879d161f5d439edbbccbf03c14a35a0a5b7ef5119d"`
Dec 18 04:39:10.272 INFO [stdout] a523984b7b2fe977b68f13879d161f5d439edbbccbf03c14a35a0a5b7ef5119d