[INFO] cloning repository https://github.com/alexheretic/hacker-news-scraper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexheretic/hacker-news-scraper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexheretic%2Fhacker-news-scraper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexheretic%2Fhacker-news-scraper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51f53c3fc2c583a353effb48c5bd5df010b37cf4
[INFO] documenting alexheretic/hacker-news-scraper 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%2Falexheretic%2Fhacker-news-scraper" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexheretic/hacker-news-scraper 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/alexheretic/hacker-news-scraper
[INFO] finished tweaking git repo https://github.com/alexheretic/hacker-news-scraper
[INFO] tweaked toml for git repo https://github.com/alexheretic/hacker-news-scraper written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/alexheretic/hacker-news-scraper 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 5a77846eec5cd1348351c3d4cfb9b8be99db9572c3bc7fdcca8903a58574e38c
[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" "5a77846eec5cd1348351c3d4cfb9b8be99db9572c3bc7fdcca8903a58574e38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a77846eec5cd1348351c3d4cfb9b8be99db9572c3bc7fdcca8903a58574e38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a77846eec5cd1348351c3d4cfb9b8be99db9572c3bc7fdcca8903a58574e38c", kill_on_drop: false }`
[INFO] [stdout] 5a77846eec5cd1348351c3d4cfb9b8be99db9572c3bc7fdcca8903a58574e38c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 060f70324c014cf9bd643b482956bd766c94fc80f009c61ef49180d72c4cea4e
[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" "060f70324c014cf9bd643b482956bd766c94fc80f009c61ef49180d72c4cea4e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking openssl v0.10.24
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking string_cache v0.7.3
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]  Documenting hacker-news-scraper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "060f70324c014cf9bd643b482956bd766c94fc80f009c61ef49180d72c4cea4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060f70324c014cf9bd643b482956bd766c94fc80f009c61ef49180d72c4cea4e", kill_on_drop: false }`
[INFO] [stdout] 060f70324c014cf9bd643b482956bd766c94fc80f009c61ef49180d72c4cea4e