[INFO] cloning repository https://github.com/gotuzzoj23/dns_proxxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gotuzzoj23/dns_proxxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgotuzzoj23%2Fdns_proxxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgotuzzoj23%2Fdns_proxxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 706f7e07db9846e412c42107a9f63de60b71f081
[INFO] documenting gotuzzoj23/dns_proxxy 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%2Fgotuzzoj23%2Fdns_proxxy" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gotuzzoj23/dns_proxxy 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/gotuzzoj23/dns_proxxy
[INFO] finished tweaking git repo https://github.com/gotuzzoj23/dns_proxxy
[INFO] tweaked toml for git repo https://github.com/gotuzzoj23/dns_proxxy written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/gotuzzoj23/dns_proxxy 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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 5560e3e31c916b62be98a67ec14f6e5b8e42c3c90730f2229b8c0afe96f581f3
[INFO] running `Command { std: "docker" "start" "-a" "5560e3e31c916b62be98a67ec14f6e5b8e42c3c90730f2229b8c0afe96f581f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5560e3e31c916b62be98a67ec14f6e5b8e42c3c90730f2229b8c0afe96f581f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5560e3e31c916b62be98a67ec14f6e5b8e42c3c90730f2229b8c0afe96f581f3", kill_on_drop: false }`
[INFO] [stdout] 5560e3e31c916b62be98a67ec14f6e5b8e42c3c90730f2229b8c0afe96f581f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 486f3d17ea4d673c3c028331fb45c1b2a017d33e51f72bc49e3e8a4dae5eb769
[INFO] running `Command { std: "docker" "start" "-a" "486f3d17ea4d673c3c028331fb45c1b2a017d33e51f72bc49e3e8a4dae5eb769", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking simplelog v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.18.1
[INFO] [stderr]  Documenting dns_proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.56s
[INFO] running `Command { std: "docker" "inspect" "486f3d17ea4d673c3c028331fb45c1b2a017d33e51f72bc49e3e8a4dae5eb769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486f3d17ea4d673c3c028331fb45c1b2a017d33e51f72bc49e3e8a4dae5eb769", kill_on_drop: false }`
[INFO] [stdout] 486f3d17ea4d673c3c028331fb45c1b2a017d33e51f72bc49e3e8a4dae5eb769