[INFO] cloning repository https://github.com/pcarleton/dumb-dig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pcarleton/dumb-dig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcarleton%2Fdumb-dig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcarleton%2Fdumb-dig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f701f0ac10b1eb041aed2fdfc3d244913bb35b04
[INFO] testing pcarleton/dumb-dig against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcarleton%2Fdumb-dig" "/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/pcarleton/dumb-dig on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pcarleton/dumb-dig
[INFO] finished tweaking git repo https://github.com/pcarleton/dumb-dig
[INFO] tweaked toml for git repo https://github.com/pcarleton/dumb-dig written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pcarleton/dumb-dig already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3515872f91ecfa87960e47e12e8ba2879a83433df51031df6286eb0fa9fadb5c
[INFO] running `Command { std: "docker" "start" "-a" "3515872f91ecfa87960e47e12e8ba2879a83433df51031df6286eb0fa9fadb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3515872f91ecfa87960e47e12e8ba2879a83433df51031df6286eb0fa9fadb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3515872f91ecfa87960e47e12e8ba2879a83433df51031df6286eb0fa9fadb5c", kill_on_drop: false }`
[INFO] [stdout] 3515872f91ecfa87960e47e12e8ba2879a83433df51031df6286eb0fa9fadb5c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73fb34516ee7d9030d64341b3897ef809eb88336ba15b4ae4482f8b96895a621
[INFO] running `Command { std: "docker" "start" "-a" "73fb34516ee7d9030d64341b3897ef809eb88336ba15b4ae4482f8b96895a621", kill_on_drop: false }`
[INFO] [stderr]    Compiling rdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:324:18
[INFO] [stdout]     |
[INFO] [stdout] 324 |     let socket = try!(UdpSocket::bind("0.0.0.0:0"));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_bytes`
[INFO] [stdout]    --> src/main.rs:308:4
[INFO] [stdout]     |
[INFO] [stdout] 308 | fn print_bytes(bytes: &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compare_bytes`
[INFO] [stdout]    --> src/main.rs:314:4
[INFO] [stdout]     |
[INFO] [stdout] 314 | fn compare_bytes(a: &[u8], b: &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "73fb34516ee7d9030d64341b3897ef809eb88336ba15b4ae4482f8b96895a621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73fb34516ee7d9030d64341b3897ef809eb88336ba15b4ae4482f8b96895a621", kill_on_drop: false }`
[INFO] [stdout] 73fb34516ee7d9030d64341b3897ef809eb88336ba15b4ae4482f8b96895a621
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37e72356da769982acc9ee3ad9a2c2872b87699c7cba91466802819d295aca37
[INFO] running `Command { std: "docker" "start" "-a" "37e72356da769982acc9ee3ad9a2c2872b87699c7cba91466802819d295aca37", kill_on_drop: false }`
[INFO] [stderr]    Compiling rdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:324:18
[INFO] [stdout]     |
[INFO] [stdout] 324 |     let socket = try!(UdpSocket::bind("0.0.0.0:0"));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_bytes`
[INFO] [stdout]    --> src/main.rs:308:4
[INFO] [stdout]     |
[INFO] [stdout] 308 | fn print_bytes(bytes: &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compare_bytes`
[INFO] [stdout]    --> src/main.rs:314:4
[INFO] [stdout]     |
[INFO] [stdout] 314 | fn compare_bytes(a: &[u8], b: &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "37e72356da769982acc9ee3ad9a2c2872b87699c7cba91466802819d295aca37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e72356da769982acc9ee3ad9a2c2872b87699c7cba91466802819d295aca37", kill_on_drop: false }`
[INFO] [stdout] 37e72356da769982acc9ee3ad9a2c2872b87699c7cba91466802819d295aca37
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3e8bd762e0f383476bcf7a35ddd7e616f4a4428d26afd7a14f30fb2f0ca1f31
[INFO] running `Command { std: "docker" "start" "-a" "a3e8bd762e0f383476bcf7a35ddd7e616f4a4428d26afd7a14f30fb2f0ca1f31", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:324:18
[INFO] [stderr]     |
[INFO] [stderr] 324 |     let socket = try!(UdpSocket::bind("0.0.0.0:0"));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_bytes`
[INFO] [stderr]    --> src/main.rs:308:4
[INFO] [stderr]     |
[INFO] [stderr] 308 | fn print_bytes(bytes: &[u8]) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compare_bytes`
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:314:4
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 314 | fn compare_bytes(a: &[u8], b: &[u8]) {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `rdns` (bin "rdns" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rdns-2af13b71476f7925)
[INFO] running `Command { std: "docker" "inspect" "a3e8bd762e0f383476bcf7a35ddd7e616f4a4428d26afd7a14f30fb2f0ca1f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e8bd762e0f383476bcf7a35ddd7e616f4a4428d26afd7a14f30fb2f0ca1f31", kill_on_drop: false }`
[INFO] [stdout] a3e8bd762e0f383476bcf7a35ddd7e616f4a4428d26afd7a14f30fb2f0ca1f31