Nov 28 14:02:49.979 INFO checking Damezuma/rs-simple-udp-echo against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:02:49.980 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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 28 14:02:50.372 INFO [stdout] 92d3a91684a90233d0edf5d869e67fdcf5263fdd6fc7f201d4a6b1a31992f44f
Nov 28 14:02:50.376 INFO running `"docker" "start" "-a" "92d3a91684a90233d0edf5d869e67fdcf5263fdd6fc7f201d4a6b1a31992f44f"`
Nov 28 14:02:51.602 INFO [stderr] usermod: no changes
Nov 28 14:02:51.700 INFO [stderr]     Checking arguments v0.1.0 (/source)
Nov 28 14:02:52.433 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 28 14:02:52.433 INFO [stderr]  --> src/client/mod.rs:1:5
Nov 28 14:02:52.433 INFO [stderr]   |
Nov 28 14:02:52.433 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 28 14:02:52.433 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.433 INFO [stderr]   |
Nov 28 14:02:52.433 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:02:52.433 INFO [stderr] 
Nov 28 14:02:52.433 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 28 14:02:52.433 INFO [stderr]  --> src/server/mod.rs:1:5
Nov 28 14:02:52.433 INFO [stderr]   |
Nov 28 14:02:52.433 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 28 14:02:52.433 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.433 INFO [stderr] 
Nov 28 14:02:52.588 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 28 14:02:52.588 INFO [stderr]  --> src/client/mod.rs:1:5
Nov 28 14:02:52.588 INFO [stderr]   |
Nov 28 14:02:52.588 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 28 14:02:52.588 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.588 INFO [stderr]   |
Nov 28 14:02:52.588 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:02:52.588 INFO [stderr] 
Nov 28 14:02:52.588 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 28 14:02:52.588 INFO [stderr]  --> src/server/mod.rs:1:5
Nov 28 14:02:52.588 INFO [stderr]   |
Nov 28 14:02:52.588 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 28 14:02:52.588 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.588 INFO [stderr] 
Nov 28 14:02:52.588 INFO [stderr] warning: unused variable: `a`
Nov 28 14:02:52.588 INFO [stderr]   --> src/client/mod.rs:25:24
Nov 28 14:02:52.588 INFO [stderr]    |
Nov 28 14:02:52.588 INFO [stderr] 25 |                 Ok((s, a))=>{
Nov 28 14:02:52.588 INFO [stderr]    |                        ^ help: consider using `_a` instead
Nov 28 14:02:52.588 INFO [stderr]    |
Nov 28 14:02:52.588 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:02:52.590 INFO [stderr] 
Nov 28 14:02:52.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:02:52.608 INFO [stderr]   --> src/client/mod.rs:18:9
Nov 28 14:02:52.608 INFO [stderr]    |
Nov 28 14:02:52.608 INFO [stderr] 18 |         self.socket.set_read_timeout(Some(std::time::Duration::from_millis(10)));
Nov 28 14:02:52.608 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.608 INFO [stderr]    |
Nov 28 14:02:52.608 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 14:02:52.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:02:52.608 INFO [stderr] 
Nov 28 14:02:52.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:02:52.608 INFO [stderr]   --> src/server/mod.rs:20:17
Nov 28 14:02:52.608 INFO [stderr]    |
Nov 28 14:02:52.608 INFO [stderr] 20 |                 self.socket.send_to(&buffer[0..size], ipv);
Nov 28 14:02:52.608 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.609 INFO [stderr]    |
Nov 28 14:02:52.609 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:02:52.609 INFO [stderr] 
Nov 28 14:02:52.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:02:52.609 INFO [stderr]   --> src/main.rs:18:9
Nov 28 14:02:52.609 INFO [stderr]    |
Nov 28 14:02:52.609 INFO [stderr] 18 |         server.recv();
Nov 28 14:02:52.609 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 28 14:02:52.609 INFO [stderr]    |
Nov 28 14:02:52.609 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:02:52.609 INFO [stderr] 
Nov 28 14:02:52.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:02:52.609 INFO [stderr]   --> src/main.rs:39:5
Nov 28 14:02:52.609 INFO [stderr]    |
Nov 28 14:02:52.609 INFO [stderr] 39 |     std::io::stdin().read_line(&mut s);
Nov 28 14:02:52.609 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.609 INFO [stderr]    |
Nov 28 14:02:52.609 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:02:52.609 INFO [stderr] 
Nov 28 14:02:52.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:02:52.609 INFO [stderr]   --> src/main.rs:40:5
Nov 28 14:02:52.609 INFO [stderr]    |
Nov 28 14:02:52.609 INFO [stderr] 40 |     client.send(&s, &SocketAddrV4::new(ip, port_number));
Nov 28 14:02:52.609 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.609 INFO [stderr]    |
Nov 28 14:02:52.609 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:02:52.609 INFO [stderr] 
Nov 28 14:02:52.677 INFO [stderr] warning: unused variable: `a`
Nov 28 14:02:52.677 INFO [stderr]   --> src/client/mod.rs:25:24
Nov 28 14:02:52.677 INFO [stderr]    |
Nov 28 14:02:52.677 INFO [stderr] 25 |                 Ok((s, a))=>{
Nov 28 14:02:52.677 INFO [stderr]    |                        ^ help: consider using `_a` instead
Nov 28 14:02:52.677 INFO [stderr]    |
Nov 28 14:02:52.677 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:02:52.677 INFO [stderr] 
Nov 28 14:02:52.693 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:02:52.693 INFO [stderr]   --> src/client/mod.rs:18:9
Nov 28 14:02:52.693 INFO [stderr]    |
Nov 28 14:02:52.693 INFO [stderr] 18 |         self.socket.set_read_timeout(Some(std::time::Duration::from_millis(10)));
Nov 28 14:02:52.693 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.693 INFO [stderr]    |
Nov 28 14:02:52.693 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 14:02:52.693 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:02:52.693 INFO [stderr] 
Nov 28 14:02:52.693 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:02:52.693 INFO [stderr]   --> src/server/mod.rs:20:17
Nov 28 14:02:52.693 INFO [stderr]    |
Nov 28 14:02:52.693 INFO [stderr] 20 |                 self.socket.send_to(&buffer[0..size], ipv);
Nov 28 14:02:52.693 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.693 INFO [stderr]    |
Nov 28 14:02:52.693 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:02:52.693 INFO [stderr] 
Nov 28 14:02:52.693 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:02:52.693 INFO [stderr]   --> src/main.rs:18:9
Nov 28 14:02:52.693 INFO [stderr]    |
Nov 28 14:02:52.693 INFO [stderr] 18 |         server.recv();
Nov 28 14:02:52.693 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 28 14:02:52.693 INFO [stderr]    |
Nov 28 14:02:52.693 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:02:52.693 INFO [stderr] 
Nov 28 14:02:52.693 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:02:52.693 INFO [stderr]   --> src/main.rs:39:5
Nov 28 14:02:52.693 INFO [stderr]    |
Nov 28 14:02:52.693 INFO [stderr] 39 |     std::io::stdin().read_line(&mut s);
Nov 28 14:02:52.693 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.693 INFO [stderr]    |
Nov 28 14:02:52.693 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:02:52.693 INFO [stderr] 
Nov 28 14:02:52.693 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:02:52.693 INFO [stderr]   --> src/main.rs:40:5
Nov 28 14:02:52.694 INFO [stderr]    |
Nov 28 14:02:52.694 INFO [stderr] 40 |     client.send(&s, &SocketAddrV4::new(ip, port_number));
Nov 28 14:02:52.694 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:02:52.694 INFO [stderr]    |
Nov 28 14:02:52.694 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:02:52.694 INFO [stderr] 
Nov 28 14:02:52.732 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Nov 28 14:02:52.734 INFO [stderr] su: No module specific data is present
Nov 28 14:02:53.328 INFO running `"docker" "inspect" "92d3a91684a90233d0edf5d869e67fdcf5263fdd6fc7f201d4a6b1a31992f44f"`
Nov 28 14:02:53.474 INFO running `"docker" "rm" "-f" "92d3a91684a90233d0edf5d869e67fdcf5263fdd6fc7f201d4a6b1a31992f44f"`
Nov 28 14:02:53.590 INFO [stdout] 92d3a91684a90233d0edf5d869e67fdcf5263fdd6fc7f201d4a6b1a31992f44f