Nov 27 20:48:00.831 INFO checking sebglazebrook/udp-server against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 20:48:00.831 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 27 20:48:01.272 INFO [stdout] 36e68e42bf7a5118760937459a3137ba8b863790fbc735dfbd5e3852cc9bde82
Nov 27 20:48:01.278 INFO running `"docker" "start" "-a" "36e68e42bf7a5118760937459a3137ba8b863790fbc735dfbd5e3852cc9bde82"`
Nov 27 20:48:03.428 INFO [stderr] usermod: no changes
Nov 27 20:48:03.544 INFO [stderr]     Checking nix v0.9.0
Nov 27 20:48:08.241 INFO [stderr]     Checking ctrlc v3.1.0
Nov 27 20:48:08.634 INFO [stderr]     Checking udp-server v0.1.0 (/source)
Nov 27 20:48:09.192 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:48:09.192 INFO [stderr]   --> src/main.rs:39:13
Nov 27 20:48:09.192 INFO [stderr]    |
Nov 27 20:48:09.192 INFO [stderr] 39 |         let mut socket = try!(UdpSocket::bind("0.0.0.0:34254"));
Nov 27 20:48:09.192 INFO [stderr]    |             ----^^^^^^
Nov 27 20:48:09.192 INFO [stderr]    |             |
Nov 27 20:48:09.192 INFO [stderr]    |             help: remove this `mut`
Nov 27 20:48:09.192 INFO [stderr]    |
Nov 27 20:48:09.192 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 20:48:09.192 INFO [stderr] 
Nov 27 20:48:09.192 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:48:09.192 INFO [stderr]   --> src/main.rs:24:9
Nov 27 20:48:09.192 INFO [stderr]    |
Nov 27 20:48:09.192 INFO [stderr] 24 |         self.start_listening();
Nov 27 20:48:09.193 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:48:09.193 INFO [stderr]    |
Nov 27 20:48:09.193 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 20:48:09.193 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:48:09.193 INFO [stderr] 
Nov 27 20:48:09.193 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:48:09.193 INFO [stderr]   --> src/main.rs:31:3
Nov 27 20:48:09.193 INFO [stderr]    |
Nov 27 20:48:09.193 INFO [stderr] 31 |           ctrlc::set_handler(move || {
Nov 27 20:48:09.193 INFO [stderr]    |  _________^
Nov 27 20:48:09.193 INFO [stderr] 32 | |             running.store(false, Ordering::SeqCst); 
Nov 27 20:48:09.193 INFO [stderr] 33 | |         });
Nov 27 20:48:09.193 INFO [stderr]    | |___________^
Nov 27 20:48:09.193 INFO [stderr]    |
Nov 27 20:48:09.193 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:48:09.193 INFO [stderr] 
Nov 27 20:48:09.245 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:48:09.245 INFO [stderr]   --> src/main.rs:39:13
Nov 27 20:48:09.245 INFO [stderr]    |
Nov 27 20:48:09.245 INFO [stderr] 39 |         let mut socket = try!(UdpSocket::bind("0.0.0.0:34254"));
Nov 27 20:48:09.245 INFO [stderr]    |             ----^^^^^^
Nov 27 20:48:09.245 INFO [stderr]    |             |
Nov 27 20:48:09.245 INFO [stderr]    |             help: remove this `mut`
Nov 27 20:48:09.245 INFO [stderr]    |
Nov 27 20:48:09.245 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 20:48:09.245 INFO [stderr] 
Nov 27 20:48:09.245 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:48:09.245 INFO [stderr]   --> src/main.rs:24:9
Nov 27 20:48:09.245 INFO [stderr]    |
Nov 27 20:48:09.245 INFO [stderr] 24 |         self.start_listening();
Nov 27 20:48:09.245 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:48:09.245 INFO [stderr]    |
Nov 27 20:48:09.245 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 20:48:09.245 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:48:09.245 INFO [stderr] 
Nov 27 20:48:09.245 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:48:09.245 INFO [stderr]   --> src/main.rs:31:3
Nov 27 20:48:09.246 INFO [stderr]    |
Nov 27 20:48:09.246 INFO [stderr] 31 |           ctrlc::set_handler(move || {
Nov 27 20:48:09.246 INFO [stderr]    |  _________^
Nov 27 20:48:09.246 INFO [stderr] 32 | |             running.store(false, Ordering::SeqCst); 
Nov 27 20:48:09.246 INFO [stderr] 33 | |         });
Nov 27 20:48:09.246 INFO [stderr]    | |___________^
Nov 27 20:48:09.246 INFO [stderr]    |
Nov 27 20:48:09.246 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:48:09.246 INFO [stderr] 
Nov 27 20:48:09.263 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.81s
Nov 27 20:48:09.273 INFO [stderr] su: No module specific data is present
Nov 27 20:48:10.231 INFO running `"docker" "inspect" "36e68e42bf7a5118760937459a3137ba8b863790fbc735dfbd5e3852cc9bde82"`
Nov 27 20:48:10.538 INFO running `"docker" "rm" "-f" "36e68e42bf7a5118760937459a3137ba8b863790fbc735dfbd5e3852cc9bde82"`
Nov 27 20:48:10.919 INFO [stdout] 36e68e42bf7a5118760937459a3137ba8b863790fbc735dfbd5e3852cc9bde82