[INFO] fetching crate prometheus_web_exporter 1.0.6...
[INFO] documenting prometheus_web_exporter-1.0.6 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate prometheus_web_exporter 1.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prometheus_web_exporter 1.0.6 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 crates.io crate prometheus_web_exporter 1.0.6
[INFO] finished tweaking crates.io crate prometheus_web_exporter 1.0.6
[INFO] tweaked toml for crates.io crate prometheus_web_exporter 1.0.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate prometheus_web_exporter 1.0.6 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 80a7fa6ed5979be4cc4a40116266d80206f1704ce4a01fa389bde5037c0cf7e5
[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" "80a7fa6ed5979be4cc4a40116266d80206f1704ce4a01fa389bde5037c0cf7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80a7fa6ed5979be4cc4a40116266d80206f1704ce4a01fa389bde5037c0cf7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a7fa6ed5979be4cc4a40116266d80206f1704ce4a01fa389bde5037c0cf7e5", kill_on_drop: false }`
[INFO] [stdout] 80a7fa6ed5979be4cc4a40116266d80206f1704ce4a01fa389bde5037c0cf7e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 55e2f3d42a4ea8f8fa020f72ce552f6c78722fdea16162e5d1f4594dc1beba3b
[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" "55e2f3d42a4ea8f8fa020f72ce552f6c78722fdea16162e5d1f4594dc1beba3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling ring v0.16.14
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking async-compression v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.20
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking warp v0.2.3
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking scraper v0.11.0
[INFO] [stderr]  Documenting prometheus_web_exporter v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "55e2f3d42a4ea8f8fa020f72ce552f6c78722fdea16162e5d1f4594dc1beba3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e2f3d42a4ea8f8fa020f72ce552f6c78722fdea16162e5d1f4594dc1beba3b", kill_on_drop: false }`
[INFO] [stdout] 55e2f3d42a4ea8f8fa020f72ce552f6c78722fdea16162e5d1f4594dc1beba3b