[INFO] cloning repository https://github.com/NikxDa/doug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NikxDa/doug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikxDa%2Fdoug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikxDa%2Fdoug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9897478d8de64e673ee74b128a454b305f8e9523
[INFO] documenting NikxDa/doug 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%2FNikxDa%2Fdoug" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NikxDa/doug 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/NikxDa/doug
[INFO] finished tweaking git repo https://github.com/NikxDa/doug
[INFO] tweaked toml for git repo https://github.com/NikxDa/doug written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/NikxDa/doug 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 strum_macros v0.13.0
[INFO] [stderr]   Downloaded strum v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 46058a26aaa590640e47fa39437a7ce73af30f7266304a12835ea276a0371bf2
[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" "46058a26aaa590640e47fa39437a7ce73af30f7266304a12835ea276a0371bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46058a26aaa590640e47fa39437a7ce73af30f7266304a12835ea276a0371bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46058a26aaa590640e47fa39437a7ce73af30f7266304a12835ea276a0371bf2", kill_on_drop: false }`
[INFO] [stdout] 46058a26aaa590640e47fa39437a7ce73af30f7266304a12835ea276a0371bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b47f68f86f815710fb94d4c1d4506689590d2e9a046803a8ec04192fee43ccaa
[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" "b47f68f86f815710fb94d4c1d4506689590d2e9a046803a8ec04192fee43ccaa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking strum v0.13.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]  Documenting doug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/console.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let edns_version = (record.ttl >> 16 as u8);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/console.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let edns_dnssec = match (record.ttl & (1 << 15)) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.41s
[INFO] running `Command { std: "docker" "inspect" "b47f68f86f815710fb94d4c1d4506689590d2e9a046803a8ec04192fee43ccaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47f68f86f815710fb94d4c1d4506689590d2e9a046803a8ec04192fee43ccaa", kill_on_drop: false }`
[INFO] [stdout] b47f68f86f815710fb94d4c1d4506689590d2e9a046803a8ec04192fee43ccaa