[INFO] fetching crate flatc-rust 0.2.0...
[INFO] documenting flatc-rust-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate flatc-rust 0.2.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate flatc-rust 0.2.0 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 flatc-rust 0.2.0
[INFO] finished tweaking crates.io crate flatc-rust 0.2.0
[INFO] tweaked toml for crates.io crate flatc-rust 0.2.0 written to /workspace/builds/worker-66/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] [stdout] ecbf25286a15882098d899bbfec3bc3bf8788c88742c08515c6fdf243847c96b
[INFO] running `Command { std: "docker" "start" "-a" "ecbf25286a15882098d899bbfec3bc3bf8788c88742c08515c6fdf243847c96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecbf25286a15882098d899bbfec3bc3bf8788c88742c08515c6fdf243847c96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbf25286a15882098d899bbfec3bc3bf8788c88742c08515c6fdf243847c96b", kill_on_drop: false }`
[INFO] [stdout] ecbf25286a15882098d899bbfec3bc3bf8788c88742c08515c6fdf243847c96b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 4c19d7409ad3162e774f26ddef05f12a0fee010399c57efab194566eb423b8b8
[INFO] running `Command { std: "docker" "start" "-a" "4c19d7409ad3162e774f26ddef05f12a0fee010399c57efab194566eb423b8b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]  Documenting flatc-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `required`
[INFO] [stdout]    --> src/lib.rs:134:70
[INFO] [stdout]     |
[INFO] [stdout] 134 |     /// Output path for the generated helpers (`-o PATH` parameter) [required]
[INFO] [stdout]     |                                                                      ^^^^^^^^ no item named `required` 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 2.41s
[INFO] running `Command { std: "docker" "inspect" "4c19d7409ad3162e774f26ddef05f12a0fee010399c57efab194566eb423b8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c19d7409ad3162e774f26ddef05f12a0fee010399c57efab194566eb423b8b8", kill_on_drop: false }`
[INFO] [stdout] 4c19d7409ad3162e774f26ddef05f12a0fee010399c57efab194566eb423b8b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] [stdout] 42256dd6b26f6adf8c3f36df5fcec30b1a48b16c618d5ce0090b81be91ca67fb
[INFO] running `Command { std: "docker" "start" "-a" "42256dd6b26f6adf8c3f36df5fcec30b1a48b16c618d5ce0090b81be91ca67fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]  Documenting flatc-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `required`
[INFO] [stdout]    --> src/lib.rs:134:70
[INFO] [stdout]     |
[INFO] [stdout] 134 |     /// Output path for the generated helpers (`-o PATH` parameter) [required]
[INFO] [stdout]     |                                                                      ^^^^^^^^ no item named `required` 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 3.92s
[INFO] running `Command { std: "docker" "inspect" "42256dd6b26f6adf8c3f36df5fcec30b1a48b16c618d5ce0090b81be91ca67fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42256dd6b26f6adf8c3f36df5fcec30b1a48b16c618d5ce0090b81be91ca67fb", kill_on_drop: false }`
[INFO] [stdout] 42256dd6b26f6adf8c3f36df5fcec30b1a48b16c618d5ce0090b81be91ca67fb