[INFO] fetching crate merkletree 0.22.1...
[INFO] documenting merkletree-0.22.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate merkletree 0.22.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate merkletree 0.22.1 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] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate merkletree 0.22.1
[INFO] finished tweaking crates.io crate merkletree 0.22.1
[INFO] tweaked toml for crates.io crate merkletree 0.22.1 written to /workspace/builds/worker-7-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 positioned-io v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2871677ab5603c5a347e16432d26a3b1be05e59b6ab4ae5afb67d8222a534575
[INFO] running `Command { std: "docker" "start" "-a" "2871677ab5603c5a347e16432d26a3b1be05e59b6ab4ae5afb67d8222a534575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2871677ab5603c5a347e16432d26a3b1be05e59b6ab4ae5afb67d8222a534575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2871677ab5603c5a347e16432d26a3b1be05e59b6ab4ae5afb67d8222a534575", kill_on_drop: false }`
[INFO] [stdout] 2871677ab5603c5a347e16432d26a3b1be05e59b6ab4ae5afb67d8222a534575
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8522dab0e2bb0478d732fcb001ad0a4f009fde5777c83f791436e88ed330ce2c
[INFO] running `Command { std: "docker" "start" "-a" "8522dab0e2bb0478d732fcb001ad0a4f009fde5777c83f791436e88ed330ce2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking io-lifetimes v1.0.10
[INFO] [stderr]     Checking positioned-io v0.3.1
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking rustix v0.37.18
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]  Documenting merkletree v0.22.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Hashable`
[INFO] [stdout]  --> src/lib.rs:6:64
[INFO] [stdout]   |
[INFO] [stdout] 6 | //! to the extent of arity, hashing algorithm and hash item. [`Hashable`] trait is
[INFO] [stdout]   |                                                                ^^^^^^^^ no item named `Hashable` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `merkle::hash::Hashable`
[INFO] [stdout]   --> src/lib.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 | //! Custom [`merkle::hash::Hashable`] trait allows implementations differ
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^ no item named `hash` in module `merkle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `std::collection`
[INFO] [stdout]   --> src/lib.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | //! from [`std::collection`] related hashes, different implementations for
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ no item named `collection` in module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Algorithm`
[INFO] [stdout]   --> src/lib.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | //! [`Algorithm`] complements [`Hasher`] to be reusable and follows the idea
[INFO] [stdout]    |       ^^^^^^^^^ no item named `Algorithm` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Hasher`
[INFO] [stdout]   --> src/lib.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | //! [`Algorithm`] complements [`Hasher`] to be reusable and follows the idea
[INFO] [stdout]    |                                 ^^^^^^ no item named `Hasher` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Algorithm`
[INFO] [stdout]   --> src/lib.rs:51:34
[INFO] [stdout]    |
[INFO] [stdout] 51 | //! `write(T)` allows to relax [`Algorithm`] trait [`Hasher`] constraint, even tho
[INFO] [stdout]    |                                  ^^^^^^^^^ no item named `Algorithm` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Hasher`
[INFO] [stdout]   --> src/lib.rs:51:54
[INFO] [stdout]    |
[INFO] [stdout] 51 | //! `write(T)` allows to relax [`Algorithm`] trait [`Hasher`] constraint, even tho
[INFO] [stdout]    |                                                      ^^^^^^ no item named `Hasher` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `hash`
[INFO] [stdout]  --> src/hash.rs:7:52
[INFO] [stdout]   |
[INFO] [stdout] 7 | /// Types implementing `Hashable` are able to be [`hash`]ed with an instance of
[INFO] [stdout]   |                                                    ^^^^ no item named `hash` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `hash`
[INFO] [stdout]   --> src/hash.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// [`hash`] on each field.
[INFO] [stdout]    |       ^^^^ no item named `hash` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Hashable`
[INFO] [stdout]   --> src/lib.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 | /// Common implementations for [`Hashable`].
[INFO] [stdout]    |                                  ^^^^^^^^ no item named `Hashable` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "8522dab0e2bb0478d732fcb001ad0a4f009fde5777c83f791436e88ed330ce2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8522dab0e2bb0478d732fcb001ad0a4f009fde5777c83f791436e88ed330ce2c", kill_on_drop: false }`
[INFO] [stdout] 8522dab0e2bb0478d732fcb001ad0a4f009fde5777c83f791436e88ed330ce2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] 6a8febd919788dcff399eedc46f2544b9c6b7e981017c2928fa847223dad0689
[INFO] running `Command { std: "docker" "start" "-a" "6a8febd919788dcff399eedc46f2544b9c6b7e981017c2928fa847223dad0689", kill_on_drop: false }`
[INFO] [stderr]  Documenting merkletree v0.22.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Hashable`
[INFO] [stdout]  --> src/lib.rs:6:64
[INFO] [stdout]   |
[INFO] [stdout] 6 | //! to the extent of arity, hashing algorithm and hash item. [`Hashable`] trait is
[INFO] [stdout]   |                                                                ^^^^^^^^ no item named `Hashable` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `merkle::hash::Hashable`
[INFO] [stdout]   --> src/lib.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 | //! Custom [`merkle::hash::Hashable`] trait allows implementations differ
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^ no item named `hash` in module `merkle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `std::collection`
[INFO] [stdout]   --> src/lib.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | //! from [`std::collection`] related hashes, different implementations for
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ no item named `collection` in module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Algorithm`
[INFO] [stdout]   --> src/lib.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | //! [`Algorithm`] complements [`Hasher`] to be reusable and follows the idea
[INFO] [stdout]    |       ^^^^^^^^^ no item named `Algorithm` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Hasher`
[INFO] [stdout]   --> src/lib.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | //! [`Algorithm`] complements [`Hasher`] to be reusable and follows the idea
[INFO] [stdout]    |                                 ^^^^^^ no item named `Hasher` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Algorithm`
[INFO] [stdout]   --> src/lib.rs:51:34
[INFO] [stdout]    |
[INFO] [stdout] 51 | //! `write(T)` allows to relax [`Algorithm`] trait [`Hasher`] constraint, even tho
[INFO] [stdout]    |                                  ^^^^^^^^^ no item named `Algorithm` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Hasher`
[INFO] [stdout]   --> src/lib.rs:51:54
[INFO] [stdout]    |
[INFO] [stdout] 51 | //! `write(T)` allows to relax [`Algorithm`] trait [`Hasher`] constraint, even tho
[INFO] [stdout]    |                                                      ^^^^^^ no item named `Hasher` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `hash`
[INFO] [stdout]  --> src/hash.rs:7:52
[INFO] [stdout]   |
[INFO] [stdout] 7 | /// Types implementing `Hashable` are able to be [`hash`]ed with an instance of
[INFO] [stdout]   |                                                    ^^^^ no item named `hash` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `hash`
[INFO] [stdout]   --> src/hash.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// [`hash`] on each field.
[INFO] [stdout]    |       ^^^^ no item named `hash` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Hashable`
[INFO] [stdout]   --> src/lib.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 | /// Common implementations for [`Hashable`].
[INFO] [stdout]    |                                  ^^^^^^^^ no item named `Hashable` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "6a8febd919788dcff399eedc46f2544b9c6b7e981017c2928fa847223dad0689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8febd919788dcff399eedc46f2544b9c6b7e981017c2928fa847223dad0689", kill_on_drop: false }`
[INFO] [stdout] 6a8febd919788dcff399eedc46f2544b9c6b7e981017c2928fa847223dad0689
