[INFO] fetching crate aatree 0.1.0...
[INFO] documenting aatree-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate aatree 0.1.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate aatree 0.1.0 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 aatree 0.1.0
[INFO] finished tweaking crates.io crate aatree 0.1.0
[INFO] tweaked toml for crates.io crate aatree 0.1.0 written to /workspace/builds/worker-101/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 945db328fc1590cb701829245b6f781e921e9c251c1265eb8e6629cf32f3b490
[INFO] running `Command { std: "docker" "start" "-a" "945db328fc1590cb701829245b6f781e921e9c251c1265eb8e6629cf32f3b490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "945db328fc1590cb701829245b6f781e921e9c251c1265eb8e6629cf32f3b490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945db328fc1590cb701829245b6f781e921e9c251c1265eb8e6629cf32f3b490", kill_on_drop: false }`
[INFO] [stdout] 945db328fc1590cb701829245b6f781e921e9c251c1265eb8e6629cf32f3b490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] c3d11b16796f1d435d31778d5de822661b0bc67d5cb001e4f41ad1498f5b05fd
[INFO] running `Command { std: "docker" "start" "-a" "c3d11b16796f1d435d31778d5de822661b0bc67d5cb001e4f41ad1498f5b05fd", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]  Documenting aatree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Self::Nil`
[INFO] [stdout]    --> src/node/mod.rs:134:70
[INFO] [stdout]     |
[INFO] [stdout] 134 |     /// Update the level of this node. **Panic** if the node is [`Nil`](Self::Nil).
[INFO] [stdout]     |                                                                         ^^^^^^^^^ the struct `AANode` has no field or associated item named `Nil`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:23
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![cfg_attr(doc, deny(rustdoc::broken_intra_doc_links))]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "c3d11b16796f1d435d31778d5de822661b0bc67d5cb001e4f41ad1498f5b05fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d11b16796f1d435d31778d5de822661b0bc67d5cb001e4f41ad1498f5b05fd", kill_on_drop: false }`
[INFO] [stdout] c3d11b16796f1d435d31778d5de822661b0bc67d5cb001e4f41ad1498f5b05fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] c4eff735030ad6675b5b3cfdf175bb9e9ca305093aee769ac8678ef96ae31f23
[INFO] running `Command { std: "docker" "start" "-a" "c4eff735030ad6675b5b3cfdf175bb9e9ca305093aee769ac8678ef96ae31f23", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]  Documenting aatree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `aatree`
[INFO] [stdout] error: unresolved link to `Self::Nil`
[INFO] [stdout]    --> src/node/mod.rs:134:70
[INFO] [stdout]     |
[INFO] [stdout] 134 |     /// Update the level of this node. **Panic** if the node is [`Nil`](Self::Nil).
[INFO] [stdout]     |                                                                         ^^^^^^^^^ the struct `AANode` has no field or associated item named `Nil`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:23
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![cfg_attr(doc, deny(rustdoc::broken_intra_doc_links))]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aatree src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="log"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=65aa720c9578eec5 -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-11fcf639aa746c8b.rmeta --extern-html-root-url 'log=https://docs.rs/log/0.4.17/' -Zunstable-options --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c4eff735030ad6675b5b3cfdf175bb9e9ca305093aee769ac8678ef96ae31f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4eff735030ad6675b5b3cfdf175bb9e9ca305093aee769ac8678ef96ae31f23", kill_on_drop: false }`
[INFO] [stdout] c4eff735030ad6675b5b3cfdf175bb9e9ca305093aee769ac8678ef96ae31f23