[INFO] cloning repository https://github.com/declspec/rustydns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/declspec/rustydns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeclspec%2Frustydns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeclspec%2Frustydns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19c20a5d5ba7f383e0f43ff31319c2559f50f8e6
[INFO] testing declspec/rustydns against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeclspec%2Frustydns" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[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 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a8994b8875269884f00bdb2af4e397f603ffd16a3261d806c172593b98265b7d
[INFO] running `Command { std: "docker" "start" "-a" "a8994b8875269884f00bdb2af4e397f603ffd16a3261d806c172593b98265b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8994b8875269884f00bdb2af4e397f603ffd16a3261d806c172593b98265b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8994b8875269884f00bdb2af4e397f603ffd16a3261d806c172593b98265b7d", kill_on_drop: false }`
[INFO] [stdout] a8994b8875269884f00bdb2af4e397f603ffd16a3261d806c172593b98265b7d
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1fd8b6c55f24a66ed7fa69d2298cc90cc33da2a224ace1b7b4d5b9d869c303b4
[INFO] running `Command { std: "docker" "start" "-a" "1fd8b6c55f24a66ed7fa69d2298cc90cc33da2a224ace1b7b4d5b9d869c303b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling dnsproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/relay.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let master = try!(UdpSocket::bind(addr));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/relay.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let slave = try!(UdpSocket::bind("0.0.0.0:0"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/parser.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let captures = try!(RECORD_PATTERN.captures(s).ok_or("did not match record pattern"));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/parser.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let addr = try!(captures["ip"].parse().map_err(|_| "invalid ip address"));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/parser.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let regexp = try!(Regex::new(&captures["re"]).map_err(|_| "malformed regular expression"));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/parser.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let options = try!(parse_options(&captures["o"]));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/parser.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |             "ttl" => ttl = try!(parse_ttl(val)),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let options = try!(opts.parse(args).map_err(|e| e.to_string()));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let addr = try!(server.parse::<SocketAddr>().map_err(|_| "server is not a valid ip:port string".to_string()));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let records = try!(parse_dns_records(Path::new(&hostfile)));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let local = try!(local.parse::<SocketAddr>().map_err(|_| "local address is not a valid ip:port string".to_string()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/dnsproxy/parser.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | / ...   lazy_static!{
[INFO] [stdout] 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+\[(?P<o>[^\]]+)...
[INFO] [stdout] 15 | | ...   }
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dnsproxy/relay.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(err) => {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] ...
[INFO] [stdout] 48 |             let (len, client) = try_or_continue!(master.recv_from(&mut ibuffer));
[INFO] [stdout]    |                                 ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DefaultInterceptor`
[INFO] [stdout]   --> src/dnsproxy/relay.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct DefaultInterceptor;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Literal`
[INFO] [stdout]   --> src/dnsproxy/interceptor.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Literal(String)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/dnsproxy/interceptor.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     id: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `qclass`
[INFO] [stdout]   --> src/dnsproxy/interceptor.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     qclass: u16
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "1fd8b6c55f24a66ed7fa69d2298cc90cc33da2a224ace1b7b4d5b9d869c303b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd8b6c55f24a66ed7fa69d2298cc90cc33da2a224ace1b7b4d5b9d869c303b4", kill_on_drop: false }`
[INFO] [stdout] 1fd8b6c55f24a66ed7fa69d2298cc90cc33da2a224ace1b7b4d5b9d869c303b4
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9123fb3f119d7fa679cbd2026dd5afcdbb57ce23e533b19c3555a3793dd6f6c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9123fb3f119d7fa679cbd2026dd5afcdbb57ce23e533b19c3555a3793dd6f6c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling dnsproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/relay.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let master = try!(UdpSocket::bind(addr));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/relay.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let slave = try!(UdpSocket::bind("0.0.0.0:0"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/parser.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let captures = try!(RECORD_PATTERN.captures(s).ok_or("did not match record pattern"));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/parser.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let addr = try!(captures["ip"].parse().map_err(|_| "invalid ip address"));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/parser.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let regexp = try!(Regex::new(&captures["re"]).map_err(|_| "malformed regular expression"));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/parser.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let options = try!(parse_options(&captures["o"]));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dnsproxy/parser.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |             "ttl" => ttl = try!(parse_ttl(val)),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let options = try!(opts.parse(args).map_err(|e| e.to_string()));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let addr = try!(server.parse::<SocketAddr>().map_err(|_| "server is not a valid ip:port string".to_string()));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let records = try!(parse_dns_records(Path::new(&hostfile)));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let local = try!(local.parse::<SocketAddr>().map_err(|_| "local address is not a valid ip:port string".to_string()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/dnsproxy/parser.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | / ...   lazy_static!{
[INFO] [stdout] 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+\[(?P<o>[^\]]+)...
[INFO] [stdout] 15 | | ...   }
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/dnsproxy/relay.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(err) => {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] ...
[INFO] [stdout] 48 |             let (len, client) = try_or_continue!(master.recv_from(&mut ibuffer));
[INFO] [stdout]    |                                 ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DefaultInterceptor`
[INFO] [stdout]   --> src/dnsproxy/relay.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct DefaultInterceptor;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Literal`
[INFO] [stdout]   --> src/dnsproxy/interceptor.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Literal(String)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/dnsproxy/interceptor.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     id: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `qclass`
[INFO] [stdout]   --> src/dnsproxy/interceptor.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     qclass: u16
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "9123fb3f119d7fa679cbd2026dd5afcdbb57ce23e533b19c3555a3793dd6f6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9123fb3f119d7fa679cbd2026dd5afcdbb57ce23e533b19c3555a3793dd6f6c9", kill_on_drop: false }`
[INFO] [stdout] 9123fb3f119d7fa679cbd2026dd5afcdbb57ce23e533b19c3555a3793dd6f6c9
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 531fc4e6d6577f38f7eb6a946f0a1b62fe535bd1f2de1f58fe7971712c42a55d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "531fc4e6d6577f38f7eb6a946f0a1b62fe535bd1f2de1f58fe7971712c42a55d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 constant `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+\[(?P<o>[^\]]+)...
[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 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dnsproxy-447555fb46385f5a
[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 `Command { std: "docker" "inspect" "531fc4e6d6577f38f7eb6a946f0a1b62fe535bd1f2de1f58fe7971712c42a55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531fc4e6d6577f38f7eb6a946f0a1b62fe535bd1f2de1f58fe7971712c42a55d", kill_on_drop: false }`
[INFO] [stdout] 531fc4e6d6577f38f7eb6a946f0a1b62fe535bd1f2de1f58fe7971712c42a55d
