[INFO] fetching crate rotor-dns 0.4.0...
[INFO] checking rotor-dns-0.4.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate rotor-dns 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rotor-dns 0.4.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rotor-dns 0.4.0
[INFO] finished tweaking crates.io crate rotor-dns 0.4.0
[INFO] tweaked toml for crates.io crate rotor-dns 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9defc7e387f6f0c7f40bb282338cf824e27b1c7b4ff15ae4752ddec76bd24886
[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" "9defc7e387f6f0c7f40bb282338cf824e27b1c7b4ff15ae4752ddec76bd24886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9defc7e387f6f0c7f40bb282338cf824e27b1c7b4ff15ae4752ddec76bd24886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9defc7e387f6f0c7f40bb282338cf824e27b1c7b4ff15ae4752ddec76bd24886", kill_on_drop: false }`
[INFO] [stdout] 9defc7e387f6f0c7f40bb282338cf824e27b1c7b4ff15ae4752ddec76bd24886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bea54326c961454b5961d090cc6767514bd86c055807d92accd60c78194360e
[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" "0bea54326c961454b5961d090cc6767514bd86c055807d92accd60c78194360e", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking resolv-conf v0.4.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dns-parser v0.3.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rotor-dns v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(File::open("/etc/resolv.conf")
[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/config.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let cfg = try!(resolv_conf::Config::parse(&buf));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fsm.rs:223:20
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let pack = try!(builder.build()
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fsm.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         try!(self.sock.send_to(&pack, &server));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/resolver.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let id = try!(res.send_request(&query, server));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/resolver.rs:31:54
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn query<S>(&self, query: Query, scope: &mut GenericScope)
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn GenericScope`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(File::open("/etc/resolv.conf")
[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/config.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let cfg = try!(resolv_conf::Config::parse(&buf));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fsm.rs:223:20
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let pack = try!(builder.build()
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fsm.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         try!(self.sock.send_to(&pack, &server));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/resolver.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let id = try!(res.send_request(&query, server));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/resolver.rs:31:54
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn query<S>(&self, query: Query, scope: &mut GenericScope)
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn GenericScope`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "0bea54326c961454b5961d090cc6767514bd86c055807d92accd60c78194360e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bea54326c961454b5961d090cc6767514bd86c055807d92accd60c78194360e", kill_on_drop: false }`
[INFO] [stdout] 0bea54326c961454b5961d090cc6767514bd86c055807d92accd60c78194360e