[INFO] fetching crate tree_hash 0.5.1...
[INFO] documenting tree_hash-0.5.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate tree_hash 0.5.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate tree_hash 0.5.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree_hash 0.5.1
[INFO] finished tweaking crates.io crate tree_hash 0.5.1
[INFO] tweaked toml for crates.io crate tree_hash 0.5.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethereum_hashing v1.0.0-beta.2
[INFO] [stderr]   Downloaded ethbloom v0.11.1
[INFO] [stderr]   Downloaded ethereum_ssz v1.0.0-beta.2
[INFO] [stderr]   Downloaded tree_hash_derive v0.5.1
[INFO] [stderr]   Downloaded ethereum_ssz_derive v1.0.0-beta.2
[INFO] [stderr]   Downloaded ethereum-types v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3c56fbe8c755c02f7b1cf1605850d8fda7f3ff1f60149ea819a796a85ff82b6
[INFO] running `Command { std: "docker" "start" "-a" "e3c56fbe8c755c02f7b1cf1605850d8fda7f3ff1f60149ea819a796a85ff82b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3c56fbe8c755c02f7b1cf1605850d8fda7f3ff1f60149ea819a796a85ff82b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c56fbe8c755c02f7b1cf1605850d8fda7f3ff1f60149ea819a796a85ff82b6", kill_on_drop: false }`
[INFO] [stdout] e3c56fbe8c755c02f7b1cf1605850d8fda7f3ff1f60149ea819a796a85ff82b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5f06872d33673b5ff63d81256118a8ae4908c94f438b657737182652d1f776d
[INFO] running `Command { std: "docker" "start" "-a" "a5f06872d33673b5ff63d81256118a8ae4908c94f438b657737182652d1f776d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking ethereum_hashing v1.0.0-beta.2
[INFO] [stderr]     Checking impl-serde v0.4.0
[INFO] [stderr]     Checking ethbloom v0.13.0
[INFO] [stderr]     Checking primitive-types v0.12.1
[INFO] [stderr]     Checking ethereum-types v0.14.1
[INFO] [stderr]  Documenting tree_hash v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/merkle_hasher.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |   /// ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 76 | | ///           -
[INFO] [stdout] 77 | | ///          / \
[INFO] [stdout] 78 | | ///         -   -
[INFO] [stdout] 79 | | ///        / \ / \
[INFO] [stdout] 80 | | ///       -  - -  -
[INFO] [stdout] 81 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]   --> src/merkle_hasher.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /// ```ignore
[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]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/merkle_hasher.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |   /// ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 86 | | ///           -
[INFO] [stdout] 87 | | ///          / \
[INFO] [stdout] 88 | | ///         2   -
[INFO] [stdout] 89 | | ///        / \ / \
[INFO] [stdout] 90 | | ///       L  - -  -
[INFO] [stdout] 91 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]   --> src/merkle_hasher.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | /// ```ignore
[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: could not parse code block as Rust code
[INFO] [stdout]    --> src/merkle_hasher.rs:95:5
[INFO] [stdout]     |
[INFO] [stdout] 95  |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 96  | | ///           1
[INFO] [stdout] 97  | | ///          / \
[INFO] [stdout] 98  | | ///         X   -
[INFO] [stdout] 99  | | ///        / \ / \
[INFO] [stdout] 100 | | ///       L  L -  -
[INFO] [stdout] 101 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/merkle_hasher.rs:95:5
[INFO] [stdout]     |
[INFO] [stdout] 95  | /// ```ignore
[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: could not parse code block as Rust code
[INFO] [stdout]    --> src/merkle_hasher.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 106 | | ///           1
[INFO] [stdout] 107 | | ///          / \
[INFO] [stdout] 108 | | ///         X   3
[INFO] [stdout] 109 | | ///        / \ / \
[INFO] [stdout] 110 | | ///       L  L L  -
[INFO] [stdout] 111 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/merkle_hasher.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | /// ```ignore
[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: could not parse code block as Rust code
[INFO] [stdout]    --> src/merkle_hasher.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 116 | | ///           1
[INFO] [stdout] 117 | | ///          / \
[INFO] [stdout] 118 | | ///         X   X
[INFO] [stdout] 119 | | ///        / \ / \
[INFO] [stdout] 120 | | ///       L  L L  L
[INFO] [stdout] 121 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/merkle_hasher.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /// ```ignore
[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: could not parse code block as Rust code
[INFO] [stdout]    --> src/merkle_hasher.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |       /// ```ignore
[INFO] [stdout]     |  _________^
[INFO] [stdout] 316 | |     ///           1 <-- completed
[INFO] [stdout] 317 | |     ///          / \
[INFO] [stdout] 318 | |     ///         2   3  <-- completed
[INFO] [stdout] 319 | |     ///        / \ / \
[INFO] [stdout] 320 | |     ///       4  5 6  7 <-- supplied right node
[INFO] [stdout] 321 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/merkle_hasher.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |     /// ```ignore
[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: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | /// https://github.com/ethereum/consensus-specs/blob/v1.1.0-beta.3/ssz/simple-serialize.md#union
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/ethereum/consensus-specs/blob/v1.1.0-beta.3/ssz/simple-serialize.md#union>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "a5f06872d33673b5ff63d81256118a8ae4908c94f438b657737182652d1f776d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f06872d33673b5ff63d81256118a8ae4908c94f438b657737182652d1f776d", kill_on_drop: false }`
[INFO] [stdout] a5f06872d33673b5ff63d81256118a8ae4908c94f438b657737182652d1f776d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08c474a7c61fe1fc6cd71e3733935a60b3b80a953185f14498bcea8d7a676804
[INFO] running `Command { std: "docker" "start" "-a" "08c474a7c61fe1fc6cd71e3733935a60b3b80a953185f14498bcea8d7a676804", kill_on_drop: false }`
[INFO] [stderr]  Documenting tree_hash v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/merkle_hasher.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |   /// ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 76 | | ///           -
[INFO] [stdout] 77 | | ///          / \
[INFO] [stdout] 78 | | ///         -   -
[INFO] [stdout] 79 | | ///        / \ / \
[INFO] [stdout] 80 | | ///       -  - -  -
[INFO] [stdout] 81 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]   --> src/merkle_hasher.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /// ```ignore
[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]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/merkle_hasher.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |   /// ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 86 | | ///           -
[INFO] [stdout] 87 | | ///          / \
[INFO] [stdout] 88 | | ///         2   -
[INFO] [stdout] 89 | | ///        / \ / \
[INFO] [stdout] 90 | | ///       L  - -  -
[INFO] [stdout] 91 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]   --> src/merkle_hasher.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | /// ```ignore
[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: could not parse code block as Rust code
[INFO] [stdout]    --> src/merkle_hasher.rs:95:5
[INFO] [stdout]     |
[INFO] [stdout] 95  |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 96  | | ///           1
[INFO] [stdout] 97  | | ///          / \
[INFO] [stdout] 98  | | ///         X   -
[INFO] [stdout] 99  | | ///        / \ / \
[INFO] [stdout] 100 | | ///       L  L -  -
[INFO] [stdout] 101 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/merkle_hasher.rs:95:5
[INFO] [stdout]     |
[INFO] [stdout] 95  | /// ```ignore
[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: could not parse code block as Rust code
[INFO] [stdout]    --> src/merkle_hasher.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 106 | | ///           1
[INFO] [stdout] 107 | | ///          / \
[INFO] [stdout] 108 | | ///         X   3
[INFO] [stdout] 109 | | ///        / \ / \
[INFO] [stdout] 110 | | ///       L  L L  -
[INFO] [stdout] 111 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/merkle_hasher.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | /// ```ignore
[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: could not parse code block as Rust code
[INFO] [stdout]    --> src/merkle_hasher.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 116 | | ///           1
[INFO] [stdout] 117 | | ///          / \
[INFO] [stdout] 118 | | ///         X   X
[INFO] [stdout] 119 | | ///        / \ / \
[INFO] [stdout] 120 | | ///       L  L L  L
[INFO] [stdout] 121 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/merkle_hasher.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /// ```ignore
[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: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | /// https://github.com/ethereum/consensus-specs/blob/v1.1.0-beta.3/ssz/simple-serialize.md#union
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/ethereum/consensus-specs/blob/v1.1.0-beta.3/ssz/simple-serialize.md#union>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "08c474a7c61fe1fc6cd71e3733935a60b3b80a953185f14498bcea8d7a676804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c474a7c61fe1fc6cd71e3733935a60b3b80a953185f14498bcea8d7a676804", kill_on_drop: false }`
[INFO] [stdout] 08c474a7c61fe1fc6cd71e3733935a60b3b80a953185f14498bcea8d7a676804
