[INFO] fetching crate syslog-rs 0.4.0...
[INFO] documenting syslog-rs-0.4.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate syslog-rs 0.4.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate syslog-rs 0.4.0 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 syslog-rs 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate syslog-rs 0.4.0
[INFO] tweaked toml for crates.io crate syslog-rs 0.4.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate syslog-rs 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] cb6bdaf38a79deb1b2841e8f63332b368de6fab0a8dd39c3884a370674015ed6
[INFO] running `Command { std: "docker" "start" "-a" "cb6bdaf38a79deb1b2841e8f63332b368de6fab0a8dd39c3884a370674015ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6bdaf38a79deb1b2841e8f63332b368de6fab0a8dd39c3884a370674015ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6bdaf38a79deb1b2841e8f63332b368de6fab0a8dd39c3884a370674015ed6", kill_on_drop: false }`
[INFO] [stdout] cb6bdaf38a79deb1b2841e8f63332b368de6fab0a8dd39c3884a370674015ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 055e33c307e53193d60df51e967c73f5b641603f9c538a539b85c6c31f2ff4cd
[INFO] running `Command { std: "docker" "start" "-a" "055e33c307e53193d60df51e967c73f5b641603f9c538a539b85c6c31f2ff4cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling async-recursion v1.0.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]  Documenting syslog-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `SyslogOption`
[INFO] [stdout]   --> src/sync/syslog_sync_internal.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |     /// Creates new instance of [SyslogOption].
[INFO] [stdout]    |                                  ^^^^^^^^^^^^ no item named `SyslogOption` 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: unresolved link to `SyslogOption`
[INFO] [stdout]   --> src/sync/syslog_sync_internal.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     /// * The instance of the [SyslogOption]. Never fails.
[INFO] [stdout]    |                                ^^^^^^^^^^^^ no item named `SyslogOption` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: public documentation for `make_stream` links to private item `StreamableSyslog`
[INFO] [stdout]    --> src/sync/syslog_sync.rs:217:10
[INFO] [stdout]     |
[INFO] [stdout] 217 |     /// [StreamableSyslog] 
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ this item is private
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
[INFO] [stdout]     = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "055e33c307e53193d60df51e967c73f5b641603f9c538a539b85c6c31f2ff4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055e33c307e53193d60df51e967c73f5b641603f9c538a539b85c6c31f2ff4cd", kill_on_drop: false }`
[INFO] [stdout] 055e33c307e53193d60df51e967c73f5b641603f9c538a539b85c6c31f2ff4cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] e985b62d12cd9863ecaf88ee2d0c1e3d8f6d8f51dcac6b64f0a32b46e710c603
[INFO] running `Command { std: "docker" "start" "-a" "e985b62d12cd9863ecaf88ee2d0c1e3d8f6d8f51dcac6b64f0a32b46e710c603", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling async-recursion v1.0.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]  Documenting syslog-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `SyslogOption`
[INFO] [stdout]   --> src/sync/syslog_sync_internal.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |     /// Creates new instance of [SyslogOption].
[INFO] [stdout]    |                                  ^^^^^^^^^^^^ no item named `SyslogOption` 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: unresolved link to `SyslogOption`
[INFO] [stdout]   --> src/sync/syslog_sync_internal.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     /// * The instance of the [SyslogOption]. Never fails.
[INFO] [stdout]    |                                ^^^^^^^^^^^^ no item named `SyslogOption` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: public documentation for `make_stream` links to private item `StreamableSyslog`
[INFO] [stdout]    --> src/sync/syslog_sync.rs:217:10
[INFO] [stdout]     |
[INFO] [stdout] 217 |     /// [StreamableSyslog] 
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ this item is private
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
[INFO] [stdout]     = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.09s
[INFO] running `Command { std: "docker" "inspect" "e985b62d12cd9863ecaf88ee2d0c1e3d8f6d8f51dcac6b64f0a32b46e710c603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e985b62d12cd9863ecaf88ee2d0c1e3d8f6d8f51dcac6b64f0a32b46e710c603", kill_on_drop: false }`
[INFO] [stdout] e985b62d12cd9863ecaf88ee2d0c1e3d8f6d8f51dcac6b64f0a32b46e710c603