[INFO] cloning repository https://github.com/Leryan/femto-feed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leryan/femto-feed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeryan%2Ffemto-feed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeryan%2Ffemto-feed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17e0a33cee908cb60345b4096f4dc3a1162f35fa
[INFO] documenting Leryan/femto-feed 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%2FLeryan%2Ffemto-feed" "/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/Leryan/femto-feed 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/Leryan/femto-feed
[INFO] finished tweaking git repo https://github.com/Leryan/femto-feed
[INFO] tweaked toml for git repo https://github.com/Leryan/femto-feed written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Leryan/femto-feed 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug_unreachable v0.1.1
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded memoffset v0.5.2
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.3
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded smallvec v0.6.12
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded markup5ever v0.2.1
[INFO] [stderr]   Downloaded string_cache v0.5.2
[INFO] [stderr]   Downloaded tendril v0.3.1
[INFO] [stderr]   Downloaded feed-rs v0.1.3
[INFO] [stderr]   Downloaded xml5ever v0.7.0
[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] 6a205144cb84744884d085a9b091fcf6a7efdd4ec7c2508163534b4be30607de
[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" "6a205144cb84744884d085a9b091fcf6a7efdd4ec7c2508163534b4be30607de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a205144cb84744884d085a9b091fcf6a7efdd4ec7c2508163534b4be30607de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a205144cb84744884d085a9b091fcf6a7efdd4ec7c2508163534b4be30607de", kill_on_drop: false }`
[INFO] [stdout] 6a205144cb84744884d085a9b091fcf6a7efdd4ec7c2508163534b4be30607de
[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] aa03f6b291ccbe53e9a529d29dca443c10997d84d587ee92e98283642aebf3c5
[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" "aa03f6b291ccbe53e9a529d29dca443c10997d84d587ee92e98283642aebf3c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling string_cache v0.5.2
[INFO] [stderr]    Compiling markup5ever v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking xml5ever v0.7.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking feed-rs v0.1.3
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking femto-feed v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting femto-feed v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.74s
[INFO] running `Command { std: "docker" "inspect" "aa03f6b291ccbe53e9a529d29dca443c10997d84d587ee92e98283642aebf3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa03f6b291ccbe53e9a529d29dca443c10997d84d587ee92e98283642aebf3c5", kill_on_drop: false }`
[INFO] [stdout] aa03f6b291ccbe53e9a529d29dca443c10997d84d587ee92e98283642aebf3c5