Nov 29 18:35:03.906 INFO checking sebglazebrook/udp-server against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 18:35:03.906 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 18:35:04.312 INFO [stdout] 32a6484e0382bdc4ad376f65ffed6c6a7ad715337558272ea5ea85fca942d065
Nov 29 18:35:04.314 INFO running `"docker" "start" "-a" "32a6484e0382bdc4ad376f65ffed6c6a7ad715337558272ea5ea85fca942d065"`
Nov 29 18:35:05.523 INFO [stderr] usermod: no changes
Nov 29 18:35:05.608 INFO [stderr]     Checking ctrlc v3.1.0
Nov 29 18:35:06.188 INFO [stderr]     Checking udp-server v0.1.0 (/source)
Nov 29 18:35:06.830 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:35:06.830 INFO [stderr]   --> src/main.rs:39:13
Nov 29 18:35:06.830 INFO [stderr]    |
Nov 29 18:35:06.830 INFO [stderr] 39 |         let mut socket = try!(UdpSocket::bind("0.0.0.0:34254"));
Nov 29 18:35:06.830 INFO [stderr]    |             ----^^^^^^
Nov 29 18:35:06.830 INFO [stderr]    |             |
Nov 29 18:35:06.830 INFO [stderr]    |             help: remove this `mut`
Nov 29 18:35:06.830 INFO [stderr]    |
Nov 29 18:35:06.830 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:35:06.830 INFO [stderr] 
Nov 29 18:35:06.830 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:35:06.830 INFO [stderr]   --> src/main.rs:24:9
Nov 29 18:35:06.830 INFO [stderr]    |
Nov 29 18:35:06.830 INFO [stderr] 24 |         self.start_listening();
Nov 29 18:35:06.830 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:35:06.830 INFO [stderr]    |
Nov 29 18:35:06.830 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 18:35:06.830 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:35:06.830 INFO [stderr] 
Nov 29 18:35:06.830 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:35:06.830 INFO [stderr]   --> src/main.rs:31:3
Nov 29 18:35:06.830 INFO [stderr]    |
Nov 29 18:35:06.830 INFO [stderr] 31 |           ctrlc::set_handler(move || {
Nov 29 18:35:06.830 INFO [stderr]    |  _________^
Nov 29 18:35:06.830 INFO [stderr] 32 | |             running.store(false, Ordering::SeqCst); 
Nov 29 18:35:06.830 INFO [stderr] 33 | |         });
Nov 29 18:35:06.830 INFO [stderr]    | |___________^
Nov 29 18:35:06.830 INFO [stderr]    |
Nov 29 18:35:06.830 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:35:06.830 INFO [stderr] 
Nov 29 18:35:06.888 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:35:06.888 INFO [stderr]   --> src/main.rs:39:13
Nov 29 18:35:06.888 INFO [stderr]    |
Nov 29 18:35:06.888 INFO [stderr] 39 |         let mut socket = try!(UdpSocket::bind("0.0.0.0:34254"));
Nov 29 18:35:06.888 INFO [stderr]    |             ----^^^^^^
Nov 29 18:35:06.888 INFO [stderr]    |             |
Nov 29 18:35:06.888 INFO [stderr]    |             help: remove this `mut`
Nov 29 18:35:06.888 INFO [stderr]    |
Nov 29 18:35:06.888 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:35:06.888 INFO [stderr] 
Nov 29 18:35:06.888 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:35:06.888 INFO [stderr]   --> src/main.rs:24:9
Nov 29 18:35:06.888 INFO [stderr]    |
Nov 29 18:35:06.888 INFO [stderr] 24 |         self.start_listening();
Nov 29 18:35:06.888 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:35:06.888 INFO [stderr]    |
Nov 29 18:35:06.888 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 18:35:06.888 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:35:06.888 INFO [stderr] 
Nov 29 18:35:06.888 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:35:06.888 INFO [stderr]   --> src/main.rs:31:3
Nov 29 18:35:06.888 INFO [stderr]    |
Nov 29 18:35:06.888 INFO [stderr] 31 |           ctrlc::set_handler(move || {
Nov 29 18:35:06.888 INFO [stderr]    |  _________^
Nov 29 18:35:06.888 INFO [stderr] 32 | |             running.store(false, Ordering::SeqCst); 
Nov 29 18:35:06.888 INFO [stderr] 33 | |         });
Nov 29 18:35:06.888 INFO [stderr]    | |___________^
Nov 29 18:35:06.888 INFO [stderr]    |
Nov 29 18:35:06.888 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:35:06.888 INFO [stderr] 
Nov 29 18:35:06.907 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Nov 29 18:35:06.925 INFO [stderr] su: No module specific data is present
Nov 29 18:35:07.852 INFO running `"docker" "inspect" "32a6484e0382bdc4ad376f65ffed6c6a7ad715337558272ea5ea85fca942d065"`
Nov 29 18:35:08.216 INFO running `"docker" "rm" "-f" "32a6484e0382bdc4ad376f65ffed6c6a7ad715337558272ea5ea85fca942d065"`
Nov 29 18:35:08.561 INFO [stdout] 32a6484e0382bdc4ad376f65ffed6c6a7ad715337558272ea5ea85fca942d065