[INFO] fetching crate flexi_syslog 0.4.1...
[INFO] documenting flexi_syslog-0.4.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate flexi_syslog 0.4.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate flexi_syslog 0.4.1 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 flexi_syslog 0.4.1
[INFO] finished tweaking crates.io crate flexi_syslog 0.4.1
[INFO] tweaked toml for crates.io crate flexi_syslog 0.4.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate flexi_syslog 0.4.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time-macros v0.2.3
[INFO] [stderr]   Downloaded syslog v6.0.1
[INFO] [stderr]   Downloaded flexi_logger v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 79941902c51595770b358a53d4fba695d16969cbc4c0167938d91cf3a7dd1a94
[INFO] running `Command { std: "docker" "start" "-a" "79941902c51595770b358a53d4fba695d16969cbc4c0167938d91cf3a7dd1a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79941902c51595770b358a53d4fba695d16969cbc4c0167938d91cf3a7dd1a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79941902c51595770b358a53d4fba695d16969cbc4c0167938d91cf3a7dd1a94", kill_on_drop: false }`
[INFO] [stdout] 79941902c51595770b358a53d4fba695d16969cbc4c0167938d91cf3a7dd1a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 114f482c52f31991e058b805b8acca9e0459ea42ba449007b9058fe209ae534c
[INFO] running `Command { std: "docker" "start" "-a" "114f482c52f31991e058b805b8acca9e0459ea42ba449007b9058fe209ae534c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]     Checking syslog v6.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking flexi_logger v0.22.2
[INFO] [stderr]  Documenting flexi_syslog v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `RFC3339`
[INFO] [stdout]   --> src/log_writer.rs:14:65
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// The TIMESTAMP field is a formalized timestamp derived from [RFC3339].
[INFO] [stdout]    |                                                                 ^^^^^^^ no item named `RFC3339` in scope
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | #![deny(rustdoc::broken_intra_doc_links)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `RFC3339`
[INFO] [stdout]   --> src/log_writer.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | ///    Whereas [RFC3339] makes allowances for multiple syntaxes, this
[INFO] [stdout]    |                 ^^^^^^^ no item named `RFC3339` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "114f482c52f31991e058b805b8acca9e0459ea42ba449007b9058fe209ae534c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114f482c52f31991e058b805b8acca9e0459ea42ba449007b9058fe209ae534c", kill_on_drop: false }`
[INFO] [stdout] 114f482c52f31991e058b805b8acca9e0459ea42ba449007b9058fe209ae534c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 744b5b0b163a37c2ccc0931a9b17a54813f8f7bdbd55338a03500722ceef42c8
[INFO] running `Command { std: "docker" "start" "-a" "744b5b0b163a37c2ccc0931a9b17a54813f8f7bdbd55338a03500722ceef42c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking syslog v6.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking flexi_logger v0.22.2
[INFO] [stderr]  Documenting flexi_syslog v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: unresolved link to `RFC3339`
[INFO] [stdout]   --> src/log_writer.rs:14:65
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// The TIMESTAMP field is a formalized timestamp derived from [RFC3339].
[INFO] [stdout]    |                                                                 ^^^^^^^ no item named `RFC3339` in scope
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | #![deny(rustdoc::broken_intra_doc_links)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unresolved link to `RFC3339`
[INFO] [stdout]   --> src/log_writer.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | ///    Whereas [RFC3339] makes allowances for multiple syntaxes, this
[INFO] [stdout]    |                 ^^^^^^^ no item named `RFC3339` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `flexi_syslog`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name flexi_syslog src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=97f5a8b8fd7b8b10 -L dependency=/opt/rustwide/target/debug/deps --extern flexi_logger=/opt/rustwide/target/debug/deps/libflexi_logger-b105ce3d6e15ef99.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1e3c371ab90a7930.rmeta --extern syslog=/opt/rustwide/target/debug/deps/libsyslog-892451b98a65f47f.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-0e36862a8897c372.rmeta --extern-html-root-url 'flexi_logger=https://docs.rs/flexi_logger/0.22.2/' --extern-html-root-url 'log=https://docs.rs/log/0.4.14/' --extern-html-root-url 'syslog=https://docs.rs/syslog/6.0.1/' --extern-html-root-url 'time=https://docs.rs/time/0.3.5/' -Zunstable-options --crate-version 0.4.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "744b5b0b163a37c2ccc0931a9b17a54813f8f7bdbd55338a03500722ceef42c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744b5b0b163a37c2ccc0931a9b17a54813f8f7bdbd55338a03500722ceef42c8", kill_on_drop: false }`
[INFO] [stdout] 744b5b0b163a37c2ccc0931a9b17a54813f8f7bdbd55338a03500722ceef42c8