[INFO] updating cached repository abhijeetbhagat/mio-socket
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/abhijeetbhagat/mio-socket
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/abhijeetbhagat/mio-socket" "work/ex/beta-1.37-6/sources/1.36.0/gh/abhijeetbhagat/mio-socket"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/abhijeetbhagat/mio-socket'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/abhijeetbhagat/mio-socket" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/abhijeetbhagat/mio-socket"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/abhijeetbhagat/mio-socket'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0fa4cb582310a34593afabb6bc171ae0648b9fa9
[INFO] sha for GitHub repo abhijeetbhagat/mio-socket: 0fa4cb582310a34593afabb6bc171ae0648b9fa9
[INFO] validating manifest of abhijeetbhagat/mio-socket on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of abhijeetbhagat/mio-socket on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing abhijeetbhagat/mio-socket
[INFO] finished frobbing abhijeetbhagat/mio-socket
[INFO] frobbed toml for abhijeetbhagat/mio-socket written to work/ex/beta-1.37-6/sources/1.36.0/gh/abhijeetbhagat/mio-socket/Cargo.toml
[INFO] started frobbing abhijeetbhagat/mio-socket
[INFO] finished frobbing abhijeetbhagat/mio-socket
[INFO] frobbed toml for abhijeetbhagat/mio-socket written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/abhijeetbhagat/mio-socket/Cargo.toml
[INFO] crate abhijeetbhagat/mio-socket already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing abhijeetbhagat/mio-socket against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2dbf5aa41e9dbfe38f6d05a68b70505b8bc53349fc373880c998dec46874264f
[INFO] running `"docker" "start" "-a" "2dbf5aa41e9dbfe38f6d05a68b70505b8bc53349fc373880c998dec46874264f"`
[INFO] [stderr]    Compiling mio-udp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `amt`
[INFO] [stderr]   --> src/main.rs:36:22
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 let (amt, src) = self.socket.recv_from(&mut buf).unwrap().unwrap();
[INFO] [stderr]    |                      ^^^ help: consider prefixing with an underscore: `_amt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/main.rs:36:27
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 let (amt, src) = self.socket.recv_from(&mut buf).unwrap().unwrap();
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_loop`
[INFO] [stderr]   --> src/main.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn ready(&mut self, event_loop : &mut EventLoop<UdpEndServer>, token : Token, event_set : Ready){
[INFO] [stderr]    |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_event_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `socket`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     socket : UdpSocket,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `token`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     token : Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `interest`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     interest : Ready
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `client`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     client : Option<UdpConnection> 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `UdpEndClient`
[INFO] [stderr]   --> src/main.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | struct UdpEndClient{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         event_loop.register(&server.socket, server.token, Ready::readable(), PollOpt::edge());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         event_loop.run(&mut server);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         socket.send_to("abhi".as_bytes(), &SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "2dbf5aa41e9dbfe38f6d05a68b70505b8bc53349fc373880c998dec46874264f"`
[INFO] running `"docker" "rm" "-f" "2dbf5aa41e9dbfe38f6d05a68b70505b8bc53349fc373880c998dec46874264f"`
[INFO] [stdout] 2dbf5aa41e9dbfe38f6d05a68b70505b8bc53349fc373880c998dec46874264f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6337255def12d1d9fa9ff0221370476844f7a8c835a2a31a3c3c58656a219204
[INFO] running `"docker" "start" "-a" "6337255def12d1d9fa9ff0221370476844f7a8c835a2a31a3c3c58656a219204"`
[INFO] [stderr]    Compiling mio-udp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `amt`
[INFO] [stderr]   --> src/main.rs:36:22
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 let (amt, src) = self.socket.recv_from(&mut buf).unwrap().unwrap();
[INFO] [stderr]    |                      ^^^ help: consider prefixing with an underscore: `_amt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/main.rs:36:27
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 let (amt, src) = self.socket.recv_from(&mut buf).unwrap().unwrap();
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_loop`
[INFO] [stderr]   --> src/main.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn ready(&mut self, event_loop : &mut EventLoop<UdpEndServer>, token : Token, event_set : Ready){
[INFO] [stderr]    |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_event_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `socket`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     socket : UdpSocket,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `token`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     token : Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `interest`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     interest : Ready
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `client`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     client : Option<UdpConnection> 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `UdpEndClient`
[INFO] [stderr]   --> src/main.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | struct UdpEndClient{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         event_loop.register(&server.socket, server.token, Ready::readable(), PollOpt::edge());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         event_loop.run(&mut server);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         socket.send_to("abhi".as_bytes(), &SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "6337255def12d1d9fa9ff0221370476844f7a8c835a2a31a3c3c58656a219204"`
[INFO] running `"docker" "rm" "-f" "6337255def12d1d9fa9ff0221370476844f7a8c835a2a31a3c3c58656a219204"`
[INFO] [stdout] 6337255def12d1d9fa9ff0221370476844f7a8c835a2a31a3c3c58656a219204
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b1ab22bcc1380af4c1d67de1a26e77bf886106ceb3b40828d8f51fb86825bcfe
[INFO] running `"docker" "start" "-a" "b1ab22bcc1380af4c1d67de1a26e77bf886106ceb3b40828d8f51fb86825bcfe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mio_udp-f437e67e549e16c8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b1ab22bcc1380af4c1d67de1a26e77bf886106ceb3b40828d8f51fb86825bcfe"`
[INFO] running `"docker" "rm" "-f" "b1ab22bcc1380af4c1d67de1a26e77bf886106ceb3b40828d8f51fb86825bcfe"`
[INFO] [stdout] b1ab22bcc1380af4c1d67de1a26e77bf886106ceb3b40828d8f51fb86825bcfe