[INFO] fetching crate serbia 0.4.3...
[INFO] documenting serbia-0.4.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate serbia 0.4.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate serbia 0.4.3 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 serbia 0.4.3
[INFO] finished tweaking crates.io crate serbia 0.4.3
[INFO] tweaked toml for crates.io crate serbia 0.4.3 written to /workspace/builds/worker-14/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]  Downloading crates ...
[INFO] [stderr]   Downloaded linked-hash-map v0.5.4
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] [stderr]   Downloaded serde_yaml v0.8.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7647322af0ae9f0eb54fc33980e464f44d29e9d39b7883fdb8853efa9efdee3
[INFO] running `Command { std: "docker" "start" "-a" "a7647322af0ae9f0eb54fc33980e464f44d29e9d39b7883fdb8853efa9efdee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7647322af0ae9f0eb54fc33980e464f44d29e9d39b7883fdb8853efa9efdee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7647322af0ae9f0eb54fc33980e464f44d29e9d39b7883fdb8853efa9efdee3", kill_on_drop: false }`
[INFO] [stdout] a7647322af0ae9f0eb54fc33980e464f44d29e9d39b7883fdb8853efa9efdee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce676e658cd7ec432d20709b2ab39b4dbc9639e771063b9904b9a8b996bd1c54
[INFO] running `Command { std: "docker" "start" "-a" "ce676e658cd7ec432d20709b2ab39b4dbc9639e771063b9904b9a8b996bd1c54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting serbia v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `serde`
[INFO] [stdout]   --> src/lib.rs:92:98
[INFO] [stdout]    |
[INFO] [stdout] 92 | /// An attribute macro that enables (de)serializing arrays of length larger than 32 with [Serde](serde).
[INFO] [stdout]    |                                                                                                  ^^^^^ no item named `serde` 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 `serde::Serialize`
[INFO] [stdout]   --> src/lib.rs:94:74
[INFO] [stdout]    |
[INFO] [stdout] 94 | /// Simply slap it on top of your struct or enum, before the [Serialize](serde::Serialize)/[Deserialize](serde::Deserialize) derive.
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^ no item named `serde` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `serde::Deserialize`
[INFO] [stdout]   --> src/lib.rs:94:106
[INFO] [stdout]    |
[INFO] [stdout] 94 | /// Simply slap it on top of your struct or enum, before the [Serialize](serde::Serialize)/[Deserialize](serde::Deserialize) derive.
[INFO] [stdout]    |                                                                                                          ^^^^^^^^^^^^^^^^^^ no item named `serde` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `Command { std: "docker" "inspect" "ce676e658cd7ec432d20709b2ab39b4dbc9639e771063b9904b9a8b996bd1c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce676e658cd7ec432d20709b2ab39b4dbc9639e771063b9904b9a8b996bd1c54", kill_on_drop: false }`
[INFO] [stdout] ce676e658cd7ec432d20709b2ab39b4dbc9639e771063b9904b9a8b996bd1c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20d8a51a1e8cf945065e97d7880adb8a656c127ea8ae3e5ad19fa3f51fd369c9
[INFO] running `Command { std: "docker" "start" "-a" "20d8a51a1e8cf945065e97d7880adb8a656c127ea8ae3e5ad19fa3f51fd369c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting serbia v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `serde`
[INFO] [stdout]   --> src/lib.rs:92:98
[INFO] [stdout]    |
[INFO] [stdout] 92 | /// An attribute macro that enables (de)serializing arrays of length larger than 32 with [Serde](serde).
[INFO] [stdout]    |                                                                                                  ^^^^^ no item named `serde` 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 `serde::Serialize`
[INFO] [stdout]   --> src/lib.rs:94:74
[INFO] [stdout]    |
[INFO] [stdout] 94 | /// Simply slap it on top of your struct or enum, before the [Serialize](serde::Serialize)/[Deserialize](serde::Deserialize) derive.
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^ no item named `serde` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `serde::Deserialize`
[INFO] [stdout]   --> src/lib.rs:94:106
[INFO] [stdout]    |
[INFO] [stdout] 94 | /// Simply slap it on top of your struct or enum, before the [Serialize](serde::Serialize)/[Deserialize](serde::Deserialize) derive.
[INFO] [stdout]    |                                                                                                          ^^^^^^^^^^^^^^^^^^ no item named `serde` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.80s
[INFO] running `Command { std: "docker" "inspect" "20d8a51a1e8cf945065e97d7880adb8a656c127ea8ae3e5ad19fa3f51fd369c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d8a51a1e8cf945065e97d7880adb8a656c127ea8ae3e5ad19fa3f51fd369c9", kill_on_drop: false }`
[INFO] [stdout] 20d8a51a1e8cf945065e97d7880adb8a656c127ea8ae3e5ad19fa3f51fd369c9