[INFO] fetching crate prometheus 0.10.0...
[INFO] documenting prometheus-0.10.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate prometheus 0.10.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate prometheus 0.10.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus 0.10.0
[INFO] finished tweaking crates.io crate prometheus 0.10.0
[INFO] tweaked toml for crates.io crate prometheus 0.10.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate prometheus 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reqwest v0.10.4
[INFO] [stderr]   Downloaded instant v0.1.6
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.9
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.59
[INFO] [stderr]   Downloaded futures-io v0.3.4
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.59
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded web-sys v0.3.36
[INFO] [stderr]   Downloaded procfs v0.8.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.10.2
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded schannel v0.1.17
[INFO] [stderr]   Downloaded serde_json v1.0.48
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.10.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.59
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] [stderr]   Downloaded protobuf v2.10.2
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6f8ca085d490abae83cdb78d4d72f148866e95f5482113a731d4df62ac76f08
[INFO] running `Command { std: "docker" "start" "-a" "c6f8ca085d490abae83cdb78d4d72f148866e95f5482113a731d4df62ac76f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6f8ca085d490abae83cdb78d4d72f148866e95f5482113a731d4df62ac76f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f8ca085d490abae83cdb78d4d72f148866e95f5482113a731d4df62ac76f08", kill_on_drop: false }`
[INFO] [stdout] c6f8ca085d490abae83cdb78d4d72f148866e95f5482113a731d4df62ac76f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f88683e2aa985a2e8c8b38d60796240cf4b1afc0d9d0b07ef4b1484f43badac
[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" "5f88683e2aa985a2e8c8b38d60796240cf4b1afc0d9d0b07ef4b1484f43badac", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling prometheus v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]  Documenting prometheus v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `::Histogram`
[INFO] [stdout]    --> src/auto_flush.rs:137:55
[INFO] [stdout]     |
[INFO] [stdout] 137 |     /// Add a single observation to the [`Histogram`](::Histogram).
[INFO] [stdout]     |                                                       ^^^^^^^^^^^ the module `auto_flush` contains no item named ``
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `::Histogram`
[INFO] [stdout]    --> src/auto_flush.rs:178:54
[INFO] [stdout]     |
[INFO] [stdout] 178 |     /// Flush the local metrics to the [`Histogram`](::Histogram) metric.
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ the module `auto_flush` contains no item named ``
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Opts`
[INFO] [stdout]   --> src/macros.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 | /// Create an [`Opts`].
[INFO] [stdout]    |                ^^^^^^ the module `macros` contains no item named `Opts`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `HistogramOpts`
[INFO] [stdout]   --> src/macros.rs:85:15
[INFO] [stdout]    |
[INFO] [stdout] 85 | /// Create a [`HistogramOpts`].
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^ the module `macros` contains no item named `HistogramOpts`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Counter`
[INFO] [stdout]    --> src/macros.rs:133:15
[INFO] [stdout]     |
[INFO] [stdout] 133 | /// Create a [`Counter`] and registers to default registry.
[INFO] [stdout]     |               ^^^^^^^^^ the module `macros` contains no item named `Counter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `IntCounter`
[INFO] [stdout]    --> src/macros.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 164 | /// Create an [`IntCounter`] and registers to default registry.
[INFO] [stdout]     |                ^^^^^^^^^^^^ the module `macros` contains no item named `IntCounter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `CounterVec`
[INFO] [stdout]    --> src/macros.rs:187:15
[INFO] [stdout]     |
[INFO] [stdout] 187 | /// Create a [`CounterVec`] and registers to default registry.
[INFO] [stdout]     |               ^^^^^^^^^^^^ the module `macros` contains no item named `CounterVec`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `IntCounterVec`
[INFO] [stdout]    --> src/macros.rs:213:16
[INFO] [stdout]     |
[INFO] [stdout] 213 | /// Create an [`IntCounterVec`] and registers to default registry.
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^ the module `macros` contains no item named `IntCounterVec`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Gauge`
[INFO] [stdout]    --> src/macros.rs:236:15
[INFO] [stdout]     |
[INFO] [stdout] 236 | /// Create a [`Gauge`] and registers to default registry.
[INFO] [stdout]     |               ^^^^^^^ the module `macros` contains no item named `Gauge`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `IntGauge`
[INFO] [stdout]    --> src/macros.rs:262:16
[INFO] [stdout]     |
[INFO] [stdout] 262 | /// Create an [`IntGauge`] and registers to default registry.
[INFO] [stdout]     |                ^^^^^^^^^^ the module `macros` contains no item named `IntGauge`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `GaugeVec`
[INFO] [stdout]    --> src/macros.rs:285:15
[INFO] [stdout]     |
[INFO] [stdout] 285 | /// Create a [`GaugeVec`] and registers to default registry.
[INFO] [stdout]     |               ^^^^^^^^^^ the module `macros` contains no item named `GaugeVec`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `IntGaugeVec`
[INFO] [stdout]    --> src/macros.rs:311:16
[INFO] [stdout]     |
[INFO] [stdout] 311 | /// Create an [`IntGaugeVec`] and registers to default registry.
[INFO] [stdout]     |                ^^^^^^^^^^^^^ the module `macros` contains no item named `IntGaugeVec`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Histogram`
[INFO] [stdout]    --> src/macros.rs:325:15
[INFO] [stdout]     |
[INFO] [stdout] 325 | /// Create a [`Histogram`] and registers to default registry.
[INFO] [stdout]     |               ^^^^^^^^^^^ the module `macros` contains no item named `Histogram`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `HistogramVec`
[INFO] [stdout]    --> src/macros.rs:361:15
[INFO] [stdout]     |
[INFO] [stdout] 361 | /// Create a [`HistogramVec`] and registers to default registry.
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ the module `macros` contains no item named `HistogramVec`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.73s
[INFO] running `Command { std: "docker" "inspect" "5f88683e2aa985a2e8c8b38d60796240cf4b1afc0d9d0b07ef4b1484f43badac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f88683e2aa985a2e8c8b38d60796240cf4b1afc0d9d0b07ef4b1484f43badac", kill_on_drop: false }`
[INFO] [stdout] 5f88683e2aa985a2e8c8b38d60796240cf4b1afc0d9d0b07ef4b1484f43badac
