[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 master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcarleton%2Fdumb-dig" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pcarleton/dumb-dig on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fb62231001f9de0338d0a6179d408f521b444306d89e3314493c11ab5247a94
[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" "0fb62231001f9de0338d0a6179d408f521b444306d89e3314493c11ab5247a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fb62231001f9de0338d0a6179d408f521b444306d89e3314493c11ab5247a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb62231001f9de0338d0a6179d408f521b444306d89e3314493c11ab5247a94", kill_on_drop: false }`
[INFO] [stdout] 0fb62231001f9de0338d0a6179d408f521b444306d89e3314493c11ab5247a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0668b86113df1f0c17a4649ea02df5dde1d8771349cb209e5b954f005c5f589f
[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" "0668b86113df1f0c17a4649ea02df5dde1d8771349cb209e5b954f005c5f589f", 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 0.82s
[INFO] running `Command { std: "docker" "inspect" "0668b86113df1f0c17a4649ea02df5dde1d8771349cb209e5b954f005c5f589f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0668b86113df1f0c17a4649ea02df5dde1d8771349cb209e5b954f005c5f589f", kill_on_drop: false }`
[INFO] [stdout] 0668b86113df1f0c17a4649ea02df5dde1d8771349cb209e5b954f005c5f589f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--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] 4f388dc23396068377ce67cbf56c563a88cb6ee1ef95ac1c08f8079cb0525909
[INFO] running `Command { std: "docker" "start" "-a" "4f388dc23396068377ce67cbf56c563a88cb6ee1ef95ac1c08f8079cb0525909", 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "4f388dc23396068377ce67cbf56c563a88cb6ee1ef95ac1c08f8079cb0525909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f388dc23396068377ce67cbf56c563a88cb6ee1ef95ac1c08f8079cb0525909", kill_on_drop: false }`
[INFO] [stdout] 4f388dc23396068377ce67cbf56c563a88cb6ee1ef95ac1c08f8079cb0525909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 295477508a859374bccbc38d7cb0055b73567fec2e6f57f06a47f5a703ef204b
[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" "295477508a859374bccbc38d7cb0055b73567fec2e6f57f06a47f5a703ef204b", 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] [stderr]    --> src/main.rs:314:4
[INFO] [stderr]     |
[INFO] [stderr] 314 | fn compare_bytes(a: &[u8], b: &[u8]) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rdns-0476c7d7a8ff0451)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "295477508a859374bccbc38d7cb0055b73567fec2e6f57f06a47f5a703ef204b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295477508a859374bccbc38d7cb0055b73567fec2e6f57f06a47f5a703ef204b", kill_on_drop: false }`
[INFO] [stdout] 295477508a859374bccbc38d7cb0055b73567fec2e6f57f06a47f5a703ef204b