Nov 27 20:48:00.617 INFO checking sebglazebrook/udp-server against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 20:48:00.617 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 27 20:48:01.106 INFO [stdout] 21cac376dfc20b4521fe06e1495cd5eddcdbe2dd04a805ba104e82d977892bca
Nov 27 20:48:01.112 INFO running `"docker" "start" "-a" "21cac376dfc20b4521fe06e1495cd5eddcdbe2dd04a805ba104e82d977892bca"`
Nov 27 20:48:02.195 INFO [stderr] usermod: no changes
Nov 27 20:48:02.315 INFO [stderr]     Checking nix v0.9.0
Nov 27 20:48:07.386 INFO [stderr]     Checking ctrlc v3.1.0
Nov 27 20:48:07.778 INFO [stderr]     Checking udp-server v0.1.0 (/source)
Nov 27 20:48:08.380 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:48:08.380 INFO [stderr]   --> src/main.rs:39:13
Nov 27 20:48:08.380 INFO [stderr]    |
Nov 27 20:48:08.380 INFO [stderr] 39 |         let mut socket = try!(UdpSocket::bind("0.0.0.0:34254"));
Nov 27 20:48:08.380 INFO [stderr]    |             ----^^^^^^
Nov 27 20:48:08.380 INFO [stderr]    |             |
Nov 27 20:48:08.380 INFO [stderr]    |             help: remove this `mut`
Nov 27 20:48:08.380 INFO [stderr]    |
Nov 27 20:48:08.380 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 20:48:08.380 INFO [stderr] 
Nov 27 20:48:08.380 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:48:08.380 INFO [stderr]   --> src/main.rs:24:9
Nov 27 20:48:08.380 INFO [stderr]    |
Nov 27 20:48:08.380 INFO [stderr] 24 |         self.start_listening();
Nov 27 20:48:08.380 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:48:08.380 INFO [stderr]    |
Nov 27 20:48:08.380 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 20:48:08.381 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:48:08.381 INFO [stderr] 
Nov 27 20:48:08.381 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:48:08.381 INFO [stderr]   --> src/main.rs:31:3
Nov 27 20:48:08.381 INFO [stderr]    |
Nov 27 20:48:08.381 INFO [stderr] 31 |           ctrlc::set_handler(move || {
Nov 27 20:48:08.381 INFO [stderr]    |  _________^
Nov 27 20:48:08.381 INFO [stderr] 32 | |             running.store(false, Ordering::SeqCst); 
Nov 27 20:48:08.381 INFO [stderr] 33 | |         });
Nov 27 20:48:08.381 INFO [stderr]    | |___________^
Nov 27 20:48:08.381 INFO [stderr]    |
Nov 27 20:48:08.381 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:48:08.381 INFO [stderr] 
Nov 27 20:48:08.405 INFO [stderr] warning: variable does not need to be mutable
Nov 27 20:48:08.405 INFO [stderr]   --> src/main.rs:39:13
Nov 27 20:48:08.405 INFO [stderr]    |
Nov 27 20:48:08.405 INFO [stderr] 39 |         let mut socket = try!(UdpSocket::bind("0.0.0.0:34254"));
Nov 27 20:48:08.405 INFO [stderr]    |             ----^^^^^^
Nov 27 20:48:08.405 INFO [stderr]    |             |
Nov 27 20:48:08.405 INFO [stderr]    |             help: remove this `mut`
Nov 27 20:48:08.405 INFO [stderr]    |
Nov 27 20:48:08.405 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 20:48:08.405 INFO [stderr] 
Nov 27 20:48:08.405 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:48:08.405 INFO [stderr]   --> src/main.rs:24:9
Nov 27 20:48:08.405 INFO [stderr]    |
Nov 27 20:48:08.405 INFO [stderr] 24 |         self.start_listening();
Nov 27 20:48:08.405 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:48:08.405 INFO [stderr]    |
Nov 27 20:48:08.405 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 20:48:08.405 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:48:08.405 INFO [stderr] 
Nov 27 20:48:08.405 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:48:08.405 INFO [stderr]   --> src/main.rs:31:3
Nov 27 20:48:08.405 INFO [stderr]    |
Nov 27 20:48:08.405 INFO [stderr] 31 |           ctrlc::set_handler(move || {
Nov 27 20:48:08.405 INFO [stderr]    |  _________^
Nov 27 20:48:08.405 INFO [stderr] 32 | |             running.store(false, Ordering::SeqCst); 
Nov 27 20:48:08.405 INFO [stderr] 33 | |         });
Nov 27 20:48:08.405 INFO [stderr]    | |___________^
Nov 27 20:48:08.405 INFO [stderr]    |
Nov 27 20:48:08.405 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:48:08.405 INFO [stderr] 
Nov 27 20:48:08.421 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.19s
Nov 27 20:48:08.432 INFO [stderr] su: No module specific data is present
Nov 27 20:48:09.306 INFO running `"docker" "inspect" "21cac376dfc20b4521fe06e1495cd5eddcdbe2dd04a805ba104e82d977892bca"`
Nov 27 20:48:09.634 INFO running `"docker" "rm" "-f" "21cac376dfc20b4521fe06e1495cd5eddcdbe2dd04a805ba104e82d977892bca"`
Nov 27 20:48:09.910 INFO [stdout] 21cac376dfc20b4521fe06e1495cd5eddcdbe2dd04a805ba104e82d977892bca