[INFO] cloning repository https://github.com/zhxiaogg/stun-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhxiaogg/stun-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhxiaogg%2Fstun-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhxiaogg%2Fstun-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ea5c23abb8008389d4a7f4d0e0d6681ac6328cf
[INFO] documenting zhxiaogg/stun-rs against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhxiaogg%2Fstun-rs" "/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/zhxiaogg/stun-rs on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhxiaogg/stun-rs
[INFO] finished tweaking git repo https://github.com/zhxiaogg/stun-rs
[INFO] tweaked toml for git repo https://github.com/zhxiaogg/stun-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/zhxiaogg/stun-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.1.6
[INFO] [stderr]   Downloaded miow v0.3.4
[INFO] [stderr]   Downloaded arc-swap v0.4.6
[INFO] [stderr]   Downloaded pin-project v0.4.18
[INFO] [stderr]   Downloaded pin-project-internal v0.4.18
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 176b4130fa973a9b62a52206e3f8a7af8b6a079ed7fdeb50a9a1948e67d74bf1
[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" "176b4130fa973a9b62a52206e3f8a7af8b6a079ed7fdeb50a9a1948e67d74bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176b4130fa973a9b62a52206e3f8a7af8b6a079ed7fdeb50a9a1948e67d74bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176b4130fa973a9b62a52206e3f8a7af8b6a079ed7fdeb50a9a1948e67d74bf1", kill_on_drop: false }`
[INFO] [stdout] 176b4130fa973a9b62a52206e3f8a7af8b6a079ed7fdeb50a9a1948e67d74bf1
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ec157f0c857a02bda2ae9fc95a6fb11a63f9572f2426b50f185bd667b75c7e6
[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" "2ec157f0c857a02bda2ae9fc95a6fb11a63f9572f2426b50f185bd667b75c7e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.1.6
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking libc v0.2.71
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.18
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.18
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]  Documenting stun-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/codec/attributes.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |             if (padding != 4) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` 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 43.62s
[INFO] running `Command { std: "docker" "inspect" "2ec157f0c857a02bda2ae9fc95a6fb11a63f9572f2426b50f185bd667b75c7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec157f0c857a02bda2ae9fc95a6fb11a63f9572f2426b50f185bd667b75c7e6", kill_on_drop: false }`
[INFO] [stdout] 2ec157f0c857a02bda2ae9fc95a6fb11a63f9572f2426b50f185bd667b75c7e6