[INFO] fetching crate serialize_deserialize_u8_i32 0.1.34...
[INFO] documenting serialize_deserialize_u8_i32-0.1.34 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate serialize_deserialize_u8_i32 0.1.34 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serialize_deserialize_u8_i32 0.1.34 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serialize_deserialize_u8_i32 0.1.34
[INFO] finished tweaking crates.io crate serialize_deserialize_u8_i32 0.1.34
[INFO] tweaked toml for crates.io crate serialize_deserialize_u8_i32 0.1.34 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e521428064870f9fcee7e465d01a195731cbfa49c5b02cf382e0ba18cf7722fb
[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" "e521428064870f9fcee7e465d01a195731cbfa49c5b02cf382e0ba18cf7722fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e521428064870f9fcee7e465d01a195731cbfa49c5b02cf382e0ba18cf7722fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e521428064870f9fcee7e465d01a195731cbfa49c5b02cf382e0ba18cf7722fb", kill_on_drop: false }`
[INFO] [stdout] e521428064870f9fcee7e465d01a195731cbfa49c5b02cf382e0ba18cf7722fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bbfbebef2b92f7f2db95e42f4b48f293969dfd97b3cc4c92fc3cb7301e397da
[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" "7bbfbebef2b92f7f2db95e42f4b48f293969dfd97b3cc4c92fc3cb7301e397da", kill_on_drop: false }`
[INFO] [stderr]  Documenting serialize_deserialize_u8_i32 v0.1.34 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |   //! ```rust, ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 22 | | //! // Create a high level custom struct
[INFO] [stdout] 23 | | //! #[derive(Serialize, Deserialize, PartialEq, Debug)]
[INFO] [stdout] 24 | | //! struct PhotonImage {
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | | //!     */
[INFO] [stdout] 76 | | //!```
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "7bbfbebef2b92f7f2db95e42f4b48f293969dfd97b3cc4c92fc3cb7301e397da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbfbebef2b92f7f2db95e42f4b48f293969dfd97b3cc4c92fc3cb7301e397da", kill_on_drop: false }`
[INFO] [stdout] 7bbfbebef2b92f7f2db95e42f4b48f293969dfd97b3cc4c92fc3cb7301e397da