[INFO] cloning repository https://github.com/bevensteven/dns-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bevensteven/dns-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbevensteven%2Fdns-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbevensteven%2Fdns-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89bb9f47d2e2e14637afc3aa98b44a4c071c05c2
[INFO] documenting bevensteven/dns-server against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbevensteven%2Fdns-server" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bevensteven/dns-server on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bevensteven/dns-server
[INFO] finished tweaking git repo https://github.com/bevensteven/dns-server
[INFO] tweaked toml for git repo https://github.com/bevensteven/dns-server written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/bevensteven/dns-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 651daf3684338a60792bf7444d1411ced52ab3e9816581bd5ceac8a9658ee527
[INFO] running `Command { std: "docker" "start" "-a" "651daf3684338a60792bf7444d1411ced52ab3e9816581bd5ceac8a9658ee527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "651daf3684338a60792bf7444d1411ced52ab3e9816581bd5ceac8a9658ee527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651daf3684338a60792bf7444d1411ced52ab3e9816581bd5ceac8a9658ee527", kill_on_drop: false }`
[INFO] [stdout] 651daf3684338a60792bf7444d1411ced52ab3e9816581bd5ceac8a9658ee527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 929adb108eec2b18076a64f9b545719b947bc719a85b6936da54e2f8e14d0916
[INFO] running `Command { std: "docker" "start" "-a" "929adb108eec2b18076a64f9b545719b947bc719a85b6936da54e2f8e14d0916", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `dns_server` in package `dns-server v0.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `dns-server` in package `dns-server v0.1.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/dns_server/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.62.0-beta.2 (3f052d8ee 2022-05-12) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "dns-server", version: "0.1.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "dns_server", doc: true, ..: with_path("/opt/rustwide/workdir/src/bin/dns_server.rs", Edition2018) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: [], artifact: false, is_std: false, dep_hash: 6828804247383133126 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "dns-server", version: "0.1.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("dns-server", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: [], artifact: false, is_std: false, dep_hash: 14135163048231963173 }
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]   --> src/web/server.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let server = ("8.8.8.8", 53);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.50s
[INFO] running `Command { std: "docker" "inspect" "929adb108eec2b18076a64f9b545719b947bc719a85b6936da54e2f8e14d0916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929adb108eec2b18076a64f9b545719b947bc719a85b6936da54e2f8e14d0916", kill_on_drop: false }`
[INFO] [stdout] 929adb108eec2b18076a64f9b545719b947bc719a85b6936da54e2f8e14d0916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] e08dcd990c5bd504b62259498e94a7092327b9509da368d2537c170297ca60db
[INFO] running `Command { std: "docker" "start" "-a" "e08dcd990c5bd504b62259498e94a7092327b9509da368d2537c170297ca60db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.64s
[INFO] running `Command { std: "docker" "inspect" "e08dcd990c5bd504b62259498e94a7092327b9509da368d2537c170297ca60db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08dcd990c5bd504b62259498e94a7092327b9509da368d2537c170297ca60db", kill_on_drop: false }`
[INFO] [stdout] e08dcd990c5bd504b62259498e94a7092327b9509da368d2537c170297ca60db