[INFO] updating cached repository https://github.com/sebglazebrook/udp-server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77705f72eee63562a186a99acf53acc60ee7d82e
[INFO] checking sebglazebrook/udp-server against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebglazebrook%2Fudp-server" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebglazebrook/udp-server on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sebglazebrook/udp-server
[INFO] finished tweaking git repo https://github.com/sebglazebrook/udp-server
[INFO] tweaked toml for git repo https://github.com/sebglazebrook/udp-server written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sebglazebrook/udp-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 618b2ee8748cbf0885ad9cc5036c4a6dabc250e525f76359762f2816bc531ebb
[INFO] running `"docker" "start" "-a" "618b2ee8748cbf0885ad9cc5036c4a6dabc250e525f76359762f2816bc531ebb"`
[INFO] [stderr]     Checking ctrlc v3.1.0
[INFO] [stderr]     Checking udp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut socket = try!(UdpSocket::bind("0.0.0.0:34254"));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:43:30
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let (amt, src) = try!(socket.recv_from(&mut buf)); // TODO this is block and means ctrl-c doesn't work
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             try!(socket.send_to(buf, &src)); // TODO return some type of response code maybe??
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut socket = try!(UdpSocket::bind("0.0.0.0:34254"));
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         self.start_listening();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |           ctrlc::set_handler(move || {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 32 | |             running.store(false, Ordering::SeqCst); 
[INFO] [stderr] 33 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut socket = try!(UdpSocket::bind("0.0.0.0:34254"));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:43:30
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let (amt, src) = try!(socket.recv_from(&mut buf)); // TODO this is block and means ctrl-c doesn't work
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             try!(socket.send_to(buf, &src)); // TODO return some type of response code maybe??
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut socket = try!(UdpSocket::bind("0.0.0.0:34254"));
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         self.start_listening();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |           ctrlc::set_handler(move || {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 32 | |             running.store(false, Ordering::SeqCst); 
[INFO] [stderr] 33 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "618b2ee8748cbf0885ad9cc5036c4a6dabc250e525f76359762f2816bc531ebb"`
[INFO] running `"docker" "rm" "-f" "618b2ee8748cbf0885ad9cc5036c4a6dabc250e525f76359762f2816bc531ebb"`
[INFO] [stdout] 618b2ee8748cbf0885ad9cc5036c4a6dabc250e525f76359762f2816bc531ebb