[INFO] fetching crate nachricht-serde 0.4.0...
[INFO] documenting nachricht-serde-0.4.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate nachricht-serde 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nachricht-serde 0.4.0 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 nachricht-serde 0.4.0
[INFO] finished tweaking crates.io crate nachricht-serde 0.4.0
[INFO] tweaked toml for crates.io crate nachricht-serde 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a223f52860c2c7b4657d9fe57689779e28b17bfbbc4b138536e0cd8ab6e7c1f1
[INFO] running `Command { std: "docker" "start" "-a" "a223f52860c2c7b4657d9fe57689779e28b17bfbbc4b138536e0cd8ab6e7c1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a223f52860c2c7b4657d9fe57689779e28b17bfbbc4b138536e0cd8ab6e7c1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a223f52860c2c7b4657d9fe57689779e28b17bfbbc4b138536e0cd8ab6e7c1f1", kill_on_drop: false }`
[INFO] [stdout] a223f52860c2c7b4657d9fe57689779e28b17bfbbc4b138536e0cd8ab6e7c1f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2129450d43f3ae90c57ea8f6230e1360ff071f092d751634fcdf4f998e33c4c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2129450d43f3ae90c57ea8f6230e1360ff071f092d751634fcdf4f998e33c4c9", kill_on_drop: false }`
[INFO] [stderr]     Checking nachricht v0.4.0
[INFO] [stderr]  Documenting nachricht-serde v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Preserializer`
[INFO] [stdout]  --> src/lib.rs:8:61
[INFO] [stdout]   |
[INFO] [stdout] 8 | //! To circumvent this, we employ a [preser::Preserializer](Preserializer) which fills
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^ no item named `Preserializer` 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 2.56s
[INFO] running `Command { std: "docker" "inspect" "2129450d43f3ae90c57ea8f6230e1360ff071f092d751634fcdf4f998e33c4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2129450d43f3ae90c57ea8f6230e1360ff071f092d751634fcdf4f998e33c4c9", kill_on_drop: false }`
[INFO] [stdout] 2129450d43f3ae90c57ea8f6230e1360ff071f092d751634fcdf4f998e33c4c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "--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] da101b825d3540cb35342972c721d2622fb184efb5b376ea66816be4236293cc
[INFO] running `Command { std: "docker" "start" "-a" "da101b825d3540cb35342972c721d2622fb184efb5b376ea66816be4236293cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking nachricht v0.4.0
[INFO] [stderr]  Documenting nachricht-serde v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Preserializer`
[INFO] [stdout]  --> src/lib.rs:8:61
[INFO] [stdout]   |
[INFO] [stdout] 8 | //! To circumvent this, we employ a [preser::Preserializer](Preserializer) which fills
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^ no item named `Preserializer` 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 9.37s
[INFO] running `Command { std: "docker" "inspect" "da101b825d3540cb35342972c721d2622fb184efb5b376ea66816be4236293cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da101b825d3540cb35342972c721d2622fb184efb5b376ea66816be4236293cc", kill_on_drop: false }`
[INFO] [stdout] da101b825d3540cb35342972c721d2622fb184efb5b376ea66816be4236293cc