[INFO] fetching crate quick_crawler 0.1.2...
[INFO] documenting quick_crawler-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate quick_crawler 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate quick_crawler 0.1.2 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 crates.io crate quick_crawler 0.1.2
[INFO] finished tweaking crates.io crate quick_crawler 0.1.2
[INFO] tweaked toml for crates.io crate quick_crawler 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 nonzero_ext v0.1.5
[INFO] [stderr]   Downloaded ratelimit_meter v4.1.1
[INFO] [stderr]   Downloaded ratelimit_futures v0.0.1
[INFO] [stderr]   Downloaded evmap v4.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 656d02be3bde855185c0ed5d92ea58f8b2fe8ab81c93cdbdf64d91128ad719d7
[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" "656d02be3bde855185c0ed5d92ea58f8b2fe8ab81c93cdbdf64d91128ad719d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "656d02be3bde855185c0ed5d92ea58f8b2fe8ab81c93cdbdf64d91128ad719d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656d02be3bde855185c0ed5d92ea58f8b2fe8ab81c93cdbdf64d91128ad719d7", kill_on_drop: false }`
[INFO] [stdout] 656d02be3bde855185c0ed5d92ea58f8b2fe8ab81c93cdbdf64d91128ad719d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 936ae926def9da164ef850f9fa0d1c8a9a1ed2deac4ad7155436b701eb1f2533
[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" "936ae926def9da164ef850f9fa0d1c8a9a1ed2deac4ad7155436b701eb1f2533", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking nonzero_ext v0.1.5
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]     Checking futures-timer v0.1.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking libz-sys v1.1.1
[INFO] [stderr]     Checking libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking evmap v4.2.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking ratelimit_meter v4.1.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking ratelimit_futures v0.0.1
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling debug_stub_derive v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking assert-json-diff v1.1.0
[INFO] [stderr]     Checking mockito v0.23.3
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking cssparser v0.25.9
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking html5ever v0.24.1
[INFO] [stderr]     Checking scraper v0.11.0
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]  Documenting quick_crawler v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.65s
[INFO] running `Command { std: "docker" "inspect" "936ae926def9da164ef850f9fa0d1c8a9a1ed2deac4ad7155436b701eb1f2533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936ae926def9da164ef850f9fa0d1c8a9a1ed2deac4ad7155436b701eb1f2533", kill_on_drop: false }`
[INFO] [stdout] 936ae926def9da164ef850f9fa0d1c8a9a1ed2deac4ad7155436b701eb1f2533