[INFO] fetching crate rsynth 0.1.1...
[INFO] documenting rsynth-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rsynth 0.1.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate rsynth 0.1.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsynth 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rsynth 0.1.1
[INFO] tweaked toml for crates.io crate rsynth 0.1.1 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate rsynth 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e4dff54767838fa588ae8d782f57b46e8e626190c72c4ce412642f8d1655ab
[INFO] running `Command { std: "docker" "start" "-a" "f8e4dff54767838fa588ae8d782f57b46e8e626190c72c4ce412642f8d1655ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e4dff54767838fa588ae8d782f57b46e8e626190c72c4ce412642f8d1655ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e4dff54767838fa588ae8d782f57b46e8e626190c72c4ce412642f8d1655ab", kill_on_drop: false }`
[INFO] [stdout] f8e4dff54767838fa588ae8d782f57b46e8e626190c72c4ce412642f8d1655ab
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf3d401d7a723146500a1f94a899fe368cb686badffa7d62791dd42174421140
[INFO] running `Command { std: "docker" "start" "-a" "bf3d401d7a723146500a1f94a899fe368cb686badffa7d62791dd42174421140", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking vecstorage v0.1.0
[INFO] [stderr]     Checking midi-consts v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]  Documenting rsynth v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `ContextualAudioRenderer`
[INFO] [stdout]   --> src/backend/mod.rs:46:55
[INFO] [stdout]    |
[INFO] [stdout] 46 |     /// buffers to zero in an implementation of the [`ContextualAudioRenderer`] trait.
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^ no item named `ContextualAudioRenderer` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "bf3d401d7a723146500a1f94a899fe368cb686badffa7d62791dd42174421140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3d401d7a723146500a1f94a899fe368cb686badffa7d62791dd42174421140", kill_on_drop: false }`
[INFO] [stdout] bf3d401d7a723146500a1f94a899fe368cb686badffa7d62791dd42174421140
[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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "all" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 605df48e3517d46bb86cecb9a2b802cb4b922371550d2a04773b5ee38826fa75
[INFO] running `Command { std: "docker" "start" "-a" "605df48e3517d46bb86cecb9a2b802cb4b922371550d2a04773b5ee38826fa75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking midi-consts v0.1.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking vecstorage v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking jack v0.6.2
[INFO] [stderr]     Checking vst v0.2.0
[INFO] [stderr]  Documenting rsynth v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `ContextualAudioRenderer`
[INFO] [stdout]   --> src/backend/mod.rs:46:55
[INFO] [stdout]    |
[INFO] [stdout] 46 |     /// buffers to zero in an implementation of the [`ContextualAudioRenderer`] trait.
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^ no item named `ContextualAudioRenderer` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/backend/jack_backend.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | /// Re-exports of the [`jack`](https://crates.io/crates/jack crate).
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://crates.io/crates/jack>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "605df48e3517d46bb86cecb9a2b802cb4b922371550d2a04773b5ee38826fa75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605df48e3517d46bb86cecb9a2b802cb4b922371550d2a04773b5ee38826fa75", kill_on_drop: false }`
[INFO] [stdout] 605df48e3517d46bb86cecb9a2b802cb4b922371550d2a04773b5ee38826fa75