Nov 17 16:02:42.992 INFO testing Damezuma/rs-simple-udp-echo against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 16:02:42.994 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 17 16:02:43.458 INFO [stdout] c860683b8e3d1340e5d695f87b0ae5d42f2f6056d051e33a8c71f310edf7f18d
Nov 17 16:02:43.460 INFO running `"docker" "start" "-a" "c860683b8e3d1340e5d695f87b0ae5d42f2f6056d051e33a8c71f310edf7f18d"`
Nov 17 16:02:45.733 INFO [stderr] usermod: no changes
Nov 17 16:02:45.811 INFO [stderr]    Compiling arguments v0.1.0 (/source)
Nov 17 16:02:46.233 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 17 16:02:46.233 INFO [stderr]  --> src/client/mod.rs:1:5
Nov 17 16:02:46.233 INFO [stderr]   |
Nov 17 16:02:46.233 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 17 16:02:46.233 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 17 16:02:46.233 INFO [stderr]   |
Nov 17 16:02:46.233 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 16:02:46.233 INFO [stderr] 
Nov 17 16:02:46.235 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 17 16:02:46.235 INFO [stderr]  --> src/server/mod.rs:1:5
Nov 17 16:02:46.235 INFO [stderr]   |
Nov 17 16:02:46.235 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 17 16:02:46.235 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 17 16:02:46.235 INFO [stderr] 
Nov 17 16:02:46.338 INFO [stderr] warning: unused variable: `a`
Nov 17 16:02:46.338 INFO [stderr]   --> src/client/mod.rs:25:24
Nov 17 16:02:46.338 INFO [stderr]    |
Nov 17 16:02:46.338 INFO [stderr] 25 |                 Ok((s, a))=>{
Nov 17 16:02:46.338 INFO [stderr]    |                        ^ help: consider using `_a` instead
Nov 17 16:02:46.338 INFO [stderr]    |
Nov 17 16:02:46.339 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 16:02:46.339 INFO [stderr] 
Nov 17 16:02:46.353 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 16:02:46.353 INFO [stderr]   --> src/client/mod.rs:18:9
Nov 17 16:02:46.353 INFO [stderr]    |
Nov 17 16:02:46.353 INFO [stderr] 18 |         self.socket.set_read_timeout(Some(std::time::Duration::from_millis(10)));
Nov 17 16:02:46.354 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 16:02:46.354 INFO [stderr]    |
Nov 17 16:02:46.354 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 16:02:46.354 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 16:02:46.354 INFO [stderr] 
Nov 17 16:02:46.354 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 16:02:46.354 INFO [stderr]   --> src/server/mod.rs:20:17
Nov 17 16:02:46.354 INFO [stderr]    |
Nov 17 16:02:46.354 INFO [stderr] 20 |                 self.socket.send_to(&buffer[0..size], ipv);
Nov 17 16:02:46.355 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 16:02:46.355 INFO [stderr]    |
Nov 17 16:02:46.355 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 16:02:46.355 INFO [stderr] 
Nov 17 16:02:46.355 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 16:02:46.357 INFO [stderr]   --> src/main.rs:18:9
Nov 17 16:02:46.357 INFO [stderr]    |
Nov 17 16:02:46.357 INFO [stderr] 18 |         server.recv();
Nov 17 16:02:46.357 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 17 16:02:46.357 INFO [stderr]    |
Nov 17 16:02:46.357 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 16:02:46.357 INFO [stderr] 
Nov 17 16:02:46.357 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 16:02:46.357 INFO [stderr]   --> src/main.rs:39:5
Nov 17 16:02:46.357 INFO [stderr]    |
Nov 17 16:02:46.357 INFO [stderr] 39 |     std::io::stdin().read_line(&mut s);
Nov 17 16:02:46.357 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 16:02:46.357 INFO [stderr]    |
Nov 17 16:02:46.358 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 16:02:46.358 INFO [stderr] 
Nov 17 16:02:46.358 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 16:02:46.358 INFO [stderr]   --> src/main.rs:40:5
Nov 17 16:02:46.358 INFO [stderr]    |
Nov 17 16:02:46.358 INFO [stderr] 40 |     client.send(&s, &SocketAddrV4::new(ip, port_number));
Nov 17 16:02:46.358 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 16:02:46.358 INFO [stderr]    |
Nov 17 16:02:46.358 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 16:02:46.359 INFO [stderr] 
Nov 17 16:02:47.169 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Nov 17 16:02:47.172 INFO [stderr] su: No module specific data is present
Nov 17 16:02:48.434 INFO running `"docker" "inspect" "c860683b8e3d1340e5d695f87b0ae5d42f2f6056d051e33a8c71f310edf7f18d"`
Nov 17 16:02:48.769 INFO running `"docker" "rm" "-f" "c860683b8e3d1340e5d695f87b0ae5d42f2f6056d051e33a8c71f310edf7f18d"`
Nov 17 16:02:48.915 INFO [stdout] c860683b8e3d1340e5d695f87b0ae5d42f2f6056d051e33a8c71f310edf7f18d
Nov 17 16:02:48.923 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 17 16:02:49.290 INFO [stdout] 7fe9183abd560025296491492c96c831936110ce07b181ee6957cadf02b71ade
Nov 17 16:02:49.292 INFO running `"docker" "start" "-a" "7fe9183abd560025296491492c96c831936110ce07b181ee6957cadf02b71ade"`
Nov 17 16:02:50.387 INFO [stderr] usermod: no changes
Nov 17 16:02:50.443 INFO [stderr]    Compiling arguments v0.1.0 (/source)
Nov 17 16:02:50.807 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 17 16:02:50.808 INFO [stderr]  --> src/client/mod.rs:1:5
Nov 17 16:02:50.809 INFO [stderr]   |
Nov 17 16:02:50.809 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 17 16:02:50.810 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 17 16:02:50.811 INFO [stderr]   |
Nov 17 16:02:50.811 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 16:02:50.812 INFO [stderr] 
Nov 17 16:02:50.812 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Nov 17 16:02:50.813 INFO [stderr]  --> src/server/mod.rs:1:5
Nov 17 16:02:50.814 INFO [stderr]   |
Nov 17 16:02:50.814 INFO [stderr] 1 | use std::net::Ipv4Addr;
Nov 17 16:02:50.815 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 17 16:02:50.815 INFO [stderr] 
Nov 17 16:02:50.886 INFO [stderr] warning: unused variable: `a`
Nov 17 16:02:50.887 INFO [stderr]   --> src/client/mod.rs:25:24
Nov 17 16:02:50.888 INFO [stderr]    |
Nov 17 16:02:50.888 INFO [stderr] 25 |                 Ok((s, a))=>{
Nov 17 16:02:50.889 INFO [stderr]    |                        ^ help: consider using `_a` instead
Nov 17 16:02:50.889 INFO [stderr]    |
Nov 17 16:02:50.890 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 16:02:50.891 INFO [stderr] 
Nov 17 16:02:50.903 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 16:02:50.904 INFO [stderr]   --> src/client/mod.rs:18:9
Nov 17 16:02:50.904 INFO [stderr]    |
Nov 17 16:02:50.905 INFO [stderr] 18 |         self.socket.set_read_timeout(Some(std::time::Duration::from_millis(10)));
Nov 17 16:02:50.906 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 16:02:50.906 INFO [stderr]    |
Nov 17 16:02:50.907 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 16:02:50.907 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 16:02:50.908 INFO [stderr] 
Nov 17 16:02:50.908 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 16:02:50.909 INFO [stderr]   --> src/server/mod.rs:20:17
Nov 17 16:02:50.910 INFO [stderr]    |
Nov 17 16:02:50.910 INFO [stderr] 20 |                 self.socket.send_to(&buffer[0..size], ipv);
Nov 17 16:02:50.911 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 16:02:50.912 INFO [stderr]    |
Nov 17 16:02:50.912 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 16:02:50.913 INFO [stderr] 
Nov 17 16:02:50.913 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 16:02:50.913 INFO [stderr]   --> src/main.rs:18:9
Nov 17 16:02:50.913 INFO [stderr]    |
Nov 17 16:02:50.913 INFO [stderr] 18 |         server.recv();
Nov 17 16:02:50.913 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 17 16:02:50.913 INFO [stderr]    |
Nov 17 16:02:50.913 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 16:02:50.913 INFO [stderr] 
Nov 17 16:02:50.913 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 16:02:50.913 INFO [stderr]   --> src/main.rs:39:5
Nov 17 16:02:50.913 INFO [stderr]    |
Nov 17 16:02:50.913 INFO [stderr] 39 |     std::io::stdin().read_line(&mut s);
Nov 17 16:02:50.913 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 16:02:50.913 INFO [stderr]    |
Nov 17 16:02:50.913 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 16:02:50.913 INFO [stderr] 
Nov 17 16:02:50.913 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 16:02:50.913 INFO [stderr]   --> src/main.rs:40:5
Nov 17 16:02:50.913 INFO [stderr]    |
Nov 17 16:02:50.913 INFO [stderr] 40 |     client.send(&s, &SocketAddrV4::new(ip, port_number));
Nov 17 16:02:50.913 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 16:02:50.913 INFO [stderr]    |
Nov 17 16:02:50.913 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 16:02:50.913 INFO [stderr] 
Nov 17 16:02:51.259 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Nov 17 16:02:51.261 INFO [stderr] su: No module specific data is present
Nov 17 16:02:52.228 INFO running `"docker" "inspect" "7fe9183abd560025296491492c96c831936110ce07b181ee6957cadf02b71ade"`
Nov 17 16:02:52.321 INFO running `"docker" "rm" "-f" "7fe9183abd560025296491492c96c831936110ce07b181ee6957cadf02b71ade"`
Nov 17 16:02:52.404 INFO [stdout] 7fe9183abd560025296491492c96c831936110ce07b181ee6957cadf02b71ade
Nov 17 16:02:52.406 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 17 16:02:52.544 INFO [stdout] 518eac8d2b71c156eb4da3fd5801af0a0a1b29268bb6949ac43d12dc00fa3c7a
Nov 17 16:02:52.546 INFO running `"docker" "start" "-a" "518eac8d2b71c156eb4da3fd5801af0a0a1b29268bb6949ac43d12dc00fa3c7a"`
Nov 17 16:02:52.962 INFO [stderr] usermod: no changes
Nov 17 16:02:52.989 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 16:02:52.989 INFO [stderr]      Running /target/debug/deps/arguments-1f112328294666d5
Nov 17 16:02:52.992 INFO [stdout] 
Nov 17 16:02:52.992 INFO [stdout] running 0 tests
Nov 17 16:02:52.992 INFO [stdout] 
Nov 17 16:02:52.992 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 16:02:52.992 INFO [stdout] 
Nov 17 16:02:52.994 INFO [stderr] su: No module specific data is present
Nov 17 16:02:53.220 INFO running `"docker" "inspect" "518eac8d2b71c156eb4da3fd5801af0a0a1b29268bb6949ac43d12dc00fa3c7a"`
Nov 17 16:02:53.300 INFO running `"docker" "rm" "-f" "518eac8d2b71c156eb4da3fd5801af0a0a1b29268bb6949ac43d12dc00fa3c7a"`
Nov 17 16:02:53.446 INFO [stdout] 518eac8d2b71c156eb4da3fd5801af0a0a1b29268bb6949ac43d12dc00fa3c7a