[INFO] cloning repository https://github.com/scottkaz/rss_reader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottkaz/rss_reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottkaz%2Frss_reader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottkaz%2Frss_reader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 933b23524dacf98f00f203e4a7911c61afeebcc1
[INFO] documenting scottkaz/rss_reader against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottkaz%2Frss_reader" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottkaz/rss_reader on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scottkaz/rss_reader
[INFO] finished tweaking git repo https://github.com/scottkaz/rss_reader
[INFO] tweaked toml for git repo https://github.com/scottkaz/rss_reader written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/scottkaz/rss_reader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f21aa171183f12099550efeb41fb103e8d6aa345037e13d41fbcc654e24a757
[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" "3f21aa171183f12099550efeb41fb103e8d6aa345037e13d41fbcc654e24a757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f21aa171183f12099550efeb41fb103e8d6aa345037e13d41fbcc654e24a757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f21aa171183f12099550efeb41fb103e8d6aa345037e13d41fbcc654e24a757", kill_on_drop: false }`
[INFO] [stdout] 3f21aa171183f12099550efeb41fb103e8d6aa345037e13d41fbcc654e24a757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a08cfbb732f2a0567dd6e603ad9c0117d287a52c61a7ed0a33f54eb085111ef
[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" "0a08cfbb732f2a0567dd6e603ad9c0117d287a52c61a7ed0a33f54eb085111ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]    Compiling derive_builder v0.6.0
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking hyper v0.12.12
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking quick-xml v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.3
[INFO] [stderr]    Compiling darling_core v0.6.3
[INFO] [stderr]    Compiling darling_macro v0.6.3
[INFO] [stderr]    Compiling darling v0.6.3
[INFO] [stderr]    Compiling derive_builder_core v0.3.0
[INFO] [stderr]     Checking rss v1.6.0
[INFO] [stderr]  Documenting rss_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.09s
[INFO] running `Command { std: "docker" "inspect" "0a08cfbb732f2a0567dd6e603ad9c0117d287a52c61a7ed0a33f54eb085111ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a08cfbb732f2a0567dd6e603ad9c0117d287a52c61a7ed0a33f54eb085111ef", kill_on_drop: false }`
[INFO] [stdout] 0a08cfbb732f2a0567dd6e603ad9c0117d287a52c61a7ed0a33f54eb085111ef