[INFO] cloning repository https://github.com/hch12907/v6synth-dns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hch12907/v6synth-dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhch12907%2Fv6synth-dns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhch12907%2Fv6synth-dns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19a8d6bf5a18b31a85aad6603e9f1c6d69e2a52a
[INFO] checking hch12907/v6synth-dns against master#683dd08db5808c41baceef49368fc82a6c4767bb for pr-149137
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhch12907%2Fv6synth-dns" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hch12907/v6synth-dns
[INFO] finished tweaking git repo https://github.com/hch12907/v6synth-dns
[INFO] tweaked toml for git repo https://github.com/hch12907/v6synth-dns written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hch12907/v6synth-dns on toolchain 683dd08db5808c41baceef49368fc82a6c4767bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hch12907/v6synth-dns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4472b5c1f611220f592a2b24ee0b1e857366ab18c826d2f307063ea88f75c0d
[INFO] running `Command { std: "docker" "start" "-a" "c4472b5c1f611220f592a2b24ee0b1e857366ab18c826d2f307063ea88f75c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4472b5c1f611220f592a2b24ee0b1e857366ab18c826d2f307063ea88f75c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4472b5c1f611220f592a2b24ee0b1e857366ab18c826d2f307063ea88f75c0d", kill_on_drop: false }`
[INFO] [stdout] c4472b5c1f611220f592a2b24ee0b1e857366ab18c826d2f307063ea88f75c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 534b067e079d3de0930ca13d68450fee7105438c068ae03fd2a06361932b8ead
[INFO] running `Command { std: "docker" "start" "-a" "534b067e079d3de0930ca13d68450fee7105438c068ae03fd2a06361932b8ead", kill_on_drop: false }`
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[INFO] [stderr]    Compiling enum-as-inner v0.6.0
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[INFO] [stderr]     Checking hickory-resolver v0.25.0-alpha.2
[INFO] [stderr]     Checking hickory-client v0.25.0-alpha.2
[INFO] [stderr]     Checking hickory-server v0.25.0-alpha.2
[INFO] [stderr]     Checking hickory-dns-v6synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `blacklist` is never read
[INFO] [stdout]   --> src/script.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct LoadedScripts {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 20 |     pub scripts: Vec<Script>,
[INFO] [stdout] 21 |     pub blacklist: HashSet<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_NUMBER` is never used
[INFO] [stdout]    --> src/script.rs:317:15
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub const MY_NUMBER: i64 = 42;
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]    --> src/script.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn greet(name: &str) -> String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blacklist` is never read
[INFO] [stdout]   --> src/script.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct LoadedScripts {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 20 |     pub scripts: Vec<Script>,
[INFO] [stdout] 21 |     pub blacklist: HashSet<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MY_NUMBER` is never used
[INFO] [stdout]    --> src/script.rs:317:15
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub const MY_NUMBER: i64 = 42;
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]    --> src/script.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn greet(name: &str) -> String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.46s
[INFO] running `Command { std: "docker" "inspect" "534b067e079d3de0930ca13d68450fee7105438c068ae03fd2a06361932b8ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534b067e079d3de0930ca13d68450fee7105438c068ae03fd2a06361932b8ead", kill_on_drop: false }`
[INFO] [stdout] 534b067e079d3de0930ca13d68450fee7105438c068ae03fd2a06361932b8ead
