[INFO] cloning repository https://github.com/jflewis/rusty-data-hound
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jflewis/rusty-data-hound" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjflewis%2Frusty-data-hound", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjflewis%2Frusty-data-hound'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e40b4bc6c4c5bf79d1b9da9c681e8cd9436974c7
[INFO] checking jflewis/rusty-data-hound against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjflewis%2Frusty-data-hound" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jflewis/rusty-data-hound on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jflewis/rusty-data-hound
[INFO] finished tweaking git repo https://github.com/jflewis/rusty-data-hound
[INFO] tweaked toml for git repo https://github.com/jflewis/rusty-data-hound written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jflewis/rusty-data-hound already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dns-lookup v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89bff5d34ad7d913e7e7952c8cb8bf4986f497a8bd271d0baf213e1f4e65467b
[INFO] running `Command { std: "docker" "start" "-a" "89bff5d34ad7d913e7e7952c8cb8bf4986f497a8bd271d0baf213e1f4e65467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89bff5d34ad7d913e7e7952c8cb8bf4986f497a8bd271d0baf213e1f4e65467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bff5d34ad7d913e7e7952c8cb8bf4986f497a8bd271d0baf213e1f4e65467b", kill_on_drop: false }`
[INFO] [stdout] 89bff5d34ad7d913e7e7952c8cb8bf4986f497a8bd271d0baf213e1f4e65467b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dccac627d73c5a5ab9979db1635df63842219dc9c5ea5047db35023da83759b
[INFO] running `Command { std: "docker" "start" "-a" "8dccac627d73c5a5ab9979db1635df63842219dc9c5ea5047db35023da83759b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling pcap v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking socket2 v0.2.4
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking dns-lookup v0.8.1
[INFO] [stderr]     Checking rusty-data-hound v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `destination_ip`
[INFO] [stdout]   --> src/main.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 |    fn destination_ip(&self) -> String {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `destination_ip`
[INFO] [stdout]   --> src/main.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 |    fn destination_ip(&self) -> String {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "8dccac627d73c5a5ab9979db1635df63842219dc9c5ea5047db35023da83759b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dccac627d73c5a5ab9979db1635df63842219dc9c5ea5047db35023da83759b", kill_on_drop: false }`
[INFO] [stdout] 8dccac627d73c5a5ab9979db1635df63842219dc9c5ea5047db35023da83759b