[INFO] fetching crate mackerel_plugin_loadavg 0.0.0...
[INFO] documenting mackerel_plugin_loadavg-0.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mackerel_plugin_loadavg 0.0.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate mackerel_plugin_loadavg 0.0.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mackerel_plugin_loadavg 0.0.0
[INFO] finished tweaking crates.io crate mackerel_plugin_loadavg 0.0.0
[INFO] tweaked toml for crates.io crate mackerel_plugin_loadavg 0.0.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--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 mackerel_plugin v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d951b1294b7233db3ae8197eb8b93981dc48c452abf05a0620137efbfbe9e07
[INFO] running `Command { std: "docker" "start" "-a" "1d951b1294b7233db3ae8197eb8b93981dc48c452abf05a0620137efbfbe9e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d951b1294b7233db3ae8197eb8b93981dc48c452abf05a0620137efbfbe9e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d951b1294b7233db3ae8197eb8b93981dc48c452abf05a0620137efbfbe9e07", kill_on_drop: false }`
[INFO] [stdout] 1d951b1294b7233db3ae8197eb8b93981dc48c452abf05a0620137efbfbe9e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d03b6c95ec3fa50f95c5f370582baa1a6e90ba97671153da054ddb773a20d80e
[INFO] running `Command { std: "docker" "start" "-a" "d03b6c95ec3fa50f95c5f370582baa1a6e90ba97671153da054ddb773a20d80e", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `mackerel-plugin-loadavg` in package `mackerel_plugin_loadavg v0.0.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `mackerel_plugin_loadavg` in package `mackerel_plugin_loadavg v0.0.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/mackerel_plugin_loadavg/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 1.61.0 (a028ae4 2022-04-29) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "mackerel_plugin_loadavg", version: "0.0.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "mackerel-plugin-loadavg", doc: true, ..: with_path("/opt/rustwide/workdir/bin/main.rs", Edition2015) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: [], artifact: false, is_std: false, dep_hash: 1127566483245908983 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "mackerel_plugin_loadavg", version: "0.0.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("mackerel_plugin_loadavg", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2015) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: [], artifact: false, is_std: false, dep_hash: 2748140103611675363 }
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking mackerel_plugin v0.1.0
[INFO] [stderr]     Checking mackerel_plugin_loadavg v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mackerel_plugin_loadavg v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.65s
[INFO] running `Command { std: "docker" "inspect" "d03b6c95ec3fa50f95c5f370582baa1a6e90ba97671153da054ddb773a20d80e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03b6c95ec3fa50f95c5f370582baa1a6e90ba97671153da054ddb773a20d80e", kill_on_drop: false }`
[INFO] [stdout] d03b6c95ec3fa50f95c5f370582baa1a6e90ba97671153da054ddb773a20d80e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 5330f263c35857a97240ea5bc62229a67b344102f4dc367e460fc846aea78153
[INFO] running `Command { std: "docker" "start" "-a" "5330f263c35857a97240ea5bc62229a67b344102f4dc367e460fc846aea78153", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking mackerel_plugin v0.1.0
[INFO] [stderr]  Documenting mackerel_plugin_loadavg v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.97s
[INFO] running `Command { std: "docker" "inspect" "5330f263c35857a97240ea5bc62229a67b344102f4dc367e460fc846aea78153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5330f263c35857a97240ea5bc62229a67b344102f4dc367e460fc846aea78153", kill_on_drop: false }`
[INFO] [stdout] 5330f263c35857a97240ea5bc62229a67b344102f4dc367e460fc846aea78153