[INFO] fetching crate patroni-exporter 0.2.0...
[INFO] documenting patroni-exporter-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate patroni-exporter 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate patroni-exporter 0.2.0 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 patroni-exporter 0.2.0
[INFO] finished tweaking crates.io crate patroni-exporter 0.2.0
[INFO] tweaked toml for crates.io crate patroni-exporter 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate patroni-exporter 0.2.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded procfs v0.7.9
[INFO] [stderr]   Downloaded findshlibs v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] dd4baa6bc34a21b428434a8874f930033a12a3a0f67614ee2ed5b482b9cf2229
[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" "dd4baa6bc34a21b428434a8874f930033a12a3a0f67614ee2ed5b482b9cf2229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd4baa6bc34a21b428434a8874f930033a12a3a0f67614ee2ed5b482b9cf2229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4baa6bc34a21b428434a8874f930033a12a3a0f67614ee2ed5b482b9cf2229", kill_on_drop: false }`
[INFO] [stdout] dd4baa6bc34a21b428434a8874f930033a12a3a0f67614ee2ed5b482b9cf2229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ce5d3c223bc1771258a16edb7114908167f10ec9f0e18679bdb9f80ba17a7e9a
[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" "ce5d3c223bc1771258a16edb7114908167f10ec9f0e18679bdb9f80ba17a7e9a", 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] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `patroni_exporter` in package `patroni-exporter v0.2.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `patroni-exporter` in package `patroni-exporter v0.2.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/patroni_exporter/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.47.0-beta (51b66125b 2020-08-19) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "patroni-exporter", version: "0.2.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "patroni_exporter", doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "patroni-exporter", version: "0.2.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("patroni-exporter", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] }
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking findshlibs v0.7.0
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling sentry v0.18.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking procfs v0.7.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking sentry-types v0.14.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.7
[INFO] [stderr]     Checking patroni-exporter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting patroni-exporter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `status`
[INFO] [stdout]   --> src/patroni.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn status(&self) -> String { self.state.to_string() }
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_master`
[INFO] [stdout]   --> src/patroni.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn is_master(&self) -> bool { self.role == PatroniRole::Master }
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.83s
[INFO] running `Command { std: "docker" "inspect" "ce5d3c223bc1771258a16edb7114908167f10ec9f0e18679bdb9f80ba17a7e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5d3c223bc1771258a16edb7114908167f10ec9f0e18679bdb9f80ba17a7e9a", kill_on_drop: false }`
[INFO] [stdout] ce5d3c223bc1771258a16edb7114908167f10ec9f0e18679bdb9f80ba17a7e9a