[INFO] updating cached repository https://github.com/declspec/rustydns
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 19c20a5d5ba7f383e0f43ff31319c2559f50f8e6
[INFO] testing declspec/rustydns against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeclspec%2Frustydns" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/declspec/rustydns on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/declspec/rustydns
[INFO] finished tweaking git repo https://github.com/declspec/rustydns
[INFO] tweaked toml for git repo https://github.com/declspec/rustydns written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/declspec/rustydns already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e304ad8710d7e88fabfc9bbf15134d501513933662c66260d3c57bb6b319324a
[INFO] running `"docker" "start" "-a" "e304ad8710d7e88fabfc9bbf15134d501513933662c66260d3c57bb6b319324a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling dnsproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/relay.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let master = try!(UdpSocket::bind(addr));
[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/dnsproxy/relay.rs:40:21
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let slave = try!(UdpSocket::bind("0.0.0.0:0"));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let captures = try!(RECORD_PATTERN.captures(s).ok_or("did not match record pattern"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let addr = try!(captures["ip"].parse().map_err(|_| "invalid ip address"));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let regexp = try!(Regex::new(&captures["re"]).map_err(|_| "malformed regular expression"));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let options = try!(parse_options(&captures["o"]));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:35:28
[INFO] [stderr]    |
[INFO] [stderr] 35 |             "ttl" => ttl = try!(parse_ttl(val)),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let options = try!(opts.parse(args).map_err(|e| e.to_string()));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let addr = try!(server.parse::<SocketAddr>().map_err(|_| "server is not a valid ip:port string".to_string()));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let records = try!(parse_dns_records(Path::new(&hostfile)));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let local = try!(local.parse::<SocketAddr>().map_err(|_| "local address is not a valid ip:port string".to_string()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/dnsproxy/parser.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | /         lazy_static!{
[INFO] [stderr] 14 | |             static ref RECORD_PATTERN: Regex = Regex::new(r"^\s+(?P<ip>(?:[0-9]{1,3}\.){3}[0-9]{1,3})\s+(?P<re>[^\s]+)(?:\s+\[(?P<o>[^\]]+)\])?").unwrap();
[INFO] [stderr] 15 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dnsproxy/relay.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Err(err) => {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] ...
[INFO] [stderr] 48 |             let (len, client) = try_or_continue!(master.recv_from(&mut ibuffer));
[INFO] [stderr]    |                                 ------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DefaultInterceptor`
[INFO] [stderr]   --> src/dnsproxy/relay.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct DefaultInterceptor;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]   --> src/dnsproxy/interceptor.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Literal(String)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/dnsproxy/interceptor.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     id: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `qclass`
[INFO] [stderr]   --> src/dnsproxy/interceptor.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     qclass: u16
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `"docker" "inspect" "e304ad8710d7e88fabfc9bbf15134d501513933662c66260d3c57bb6b319324a"`
[INFO] running `"docker" "rm" "-f" "e304ad8710d7e88fabfc9bbf15134d501513933662c66260d3c57bb6b319324a"`
[INFO] [stdout] e304ad8710d7e88fabfc9bbf15134d501513933662c66260d3c57bb6b319324a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f122ee4e19ed3a9cba73965a008ca6517f0c96be35a76267a1180b410b84cb9
[INFO] running `"docker" "start" "-a" "7f122ee4e19ed3a9cba73965a008ca6517f0c96be35a76267a1180b410b84cb9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling dnsproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/relay.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let master = try!(UdpSocket::bind(addr));
[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/dnsproxy/relay.rs:40:21
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let slave = try!(UdpSocket::bind("0.0.0.0:0"));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let captures = try!(RECORD_PATTERN.captures(s).ok_or("did not match record pattern"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let addr = try!(captures["ip"].parse().map_err(|_| "invalid ip address"));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let regexp = try!(Regex::new(&captures["re"]).map_err(|_| "malformed regular expression"));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let options = try!(parse_options(&captures["o"]));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:35:28
[INFO] [stderr]    |
[INFO] [stderr] 35 |             "ttl" => ttl = try!(parse_ttl(val)),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let options = try!(opts.parse(args).map_err(|e| e.to_string()));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let addr = try!(server.parse::<SocketAddr>().map_err(|_| "server is not a valid ip:port string".to_string()));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let records = try!(parse_dns_records(Path::new(&hostfile)));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let local = try!(local.parse::<SocketAddr>().map_err(|_| "local address is not a valid ip:port string".to_string()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/dnsproxy/parser.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | /         lazy_static!{
[INFO] [stderr] 14 | |             static ref RECORD_PATTERN: Regex = Regex::new(r"^\s+(?P<ip>(?:[0-9]{1,3}\.){3}[0-9]{1,3})\s+(?P<re>[^\s]+)(?:\s+\[(?P<o>[^\]]+)\])?").unwrap();
[INFO] [stderr] 15 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dnsproxy/relay.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Err(err) => {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] ...
[INFO] [stderr] 48 |             let (len, client) = try_or_continue!(master.recv_from(&mut ibuffer));
[INFO] [stderr]    |                                 ------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DefaultInterceptor`
[INFO] [stderr]   --> src/dnsproxy/relay.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct DefaultInterceptor;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]   --> src/dnsproxy/interceptor.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Literal(String)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/dnsproxy/interceptor.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     id: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `qclass`
[INFO] [stderr]   --> src/dnsproxy/interceptor.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     qclass: u16
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "7f122ee4e19ed3a9cba73965a008ca6517f0c96be35a76267a1180b410b84cb9"`
[INFO] running `"docker" "rm" "-f" "7f122ee4e19ed3a9cba73965a008ca6517f0c96be35a76267a1180b410b84cb9"`
[INFO] [stdout] 7f122ee4e19ed3a9cba73965a008ca6517f0c96be35a76267a1180b410b84cb9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d7704b3baf8a78c9cfe99e549b5cdf806ffd77678d9a15de24e54efdf6a6c24
[INFO] running `"docker" "start" "-a" "8d7704b3baf8a78c9cfe99e549b5cdf806ffd77678d9a15de24e54efdf6a6c24"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/relay.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let master = try!(UdpSocket::bind(addr));
[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/dnsproxy/relay.rs:40:21
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let slave = try!(UdpSocket::bind("0.0.0.0:0"));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let captures = try!(RECORD_PATTERN.captures(s).ok_or("did not match record pattern"));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let addr = try!(captures["ip"].parse().map_err(|_| "invalid ip address"));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let regexp = try!(Regex::new(&captures["re"]).map_err(|_| "malformed regular expression"));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let options = try!(parse_options(&captures["o"]));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dnsproxy/parser.rs:35:28
[INFO] [stderr]    |
[INFO] [stderr] 35 |             "ttl" => ttl = try!(parse_ttl(val)),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let options = try!(opts.parse(args).map_err(|e| e.to_string()));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let addr = try!(server.parse::<SocketAddr>().map_err(|_| "server is not a valid ip:port string".to_string()));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let records = try!(parse_dns_records(Path::new(&hostfile)));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let local = try!(local.parse::<SocketAddr>().map_err(|_| "local address is not a valid ip:port string".to_string()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/dnsproxy/parser.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | /         lazy_static!{
[INFO] [stderr] 14 | |             static ref RECORD_PATTERN: Regex = Regex::new(r"^\s+(?P<ip>(?:[0-9]{1,3}\.){3}[0-9]{1,3})\s+(?P<re>[^\s]+)(?:\s+\[(?P<o>[^\]]+)\])?").unwrap();
[INFO] [stderr] 15 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/dnsproxy/relay.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Err(err) => {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] ...
[INFO] [stderr] 48 |             let (len, client) = try_or_continue!(master.recv_from(&mut ibuffer));
[INFO] [stderr]    |                                 ------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DefaultInterceptor`
[INFO] [stderr]   --> src/dnsproxy/relay.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct DefaultInterceptor;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]   --> src/dnsproxy/interceptor.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Literal(String)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/dnsproxy/interceptor.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     id: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `qclass`
[INFO] [stderr]   --> src/dnsproxy/interceptor.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     qclass: u16
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dnsproxy-28b79b3cc3109502
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8d7704b3baf8a78c9cfe99e549b5cdf806ffd77678d9a15de24e54efdf6a6c24"`
[INFO] running `"docker" "rm" "-f" "8d7704b3baf8a78c9cfe99e549b5cdf806ffd77678d9a15de24e54efdf6a6c24"`
[INFO] [stdout] 8d7704b3baf8a78c9cfe99e549b5cdf806ffd77678d9a15de24e54efdf6a6c24