[INFO] fetching crate an-rope 0.3.1...
[INFO] documenting an-rope-0.3.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate an-rope 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate an-rope 0.3.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate an-rope 0.3.1
[INFO] finished tweaking crates.io crate an-rope 0.3.1
[INFO] tweaked toml for crates.io crate an-rope 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro-attr v0.2.0
[INFO] [stderr]   Downloaded clippy_lints v0.0.106
[INFO] [stderr]   Downloaded clippy v0.0.106
[INFO] [stderr]   Downloaded quickcheck v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] befe9c24153995a90c894339434ba4b36e45ac49e5798fbf5afa556ab74b19fe
[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" "befe9c24153995a90c894339434ba4b36e45ac49e5798fbf5afa556ab74b19fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "befe9c24153995a90c894339434ba4b36e45ac49e5798fbf5afa556ab74b19fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befe9c24153995a90c894339434ba4b36e45ac49e5798fbf5afa556ab74b19fe", kill_on_drop: false }`
[INFO] [stdout] befe9c24153995a90c894339434ba4b36e45ac49e5798fbf5afa556ab74b19fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4128ec8c8ae01eb690b2abe8bc490dc03271a0bcd6c05f54a1af2ec59805fcb
[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" "e4128ec8c8ae01eb690b2abe8bc490dc03271a0bcd6c05f54a1af2ec59805fcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking macro-attr v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]  Documenting an-rope v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Zero`
[INFO] [stdout]   --> src/metric.rs:84:58
[INFO] [stdout]    |
[INFO] [stdout] 84 | ///        represent the "identity" operation using the [`Zero`] trait rather
[INFO] [stdout]    |                                                          ^^^^^^ the module `metric` contains no item named `Zero`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(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: unresolved link to `t`
[INFO] [stdout]   --> src/metric.rs:85:75
[INFO] [stdout]    |
[INFO] [stdout] 85 | ///        than [`Default`], as the documentation for `Zero` notes that "[t]his
[INFO] [stdout]    |                                                                           ^ the module `metric` contains no item named `t`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Zero`
[INFO] [stdout]   --> src/metric.rs:90:6
[INFO] [stdout]    |
[INFO] [stdout] 90 | /// [`Zero`]: https://doc.rust-lang.org/std/num/trait.Zero.html
[INFO] [stdout]    |      ^^^^^^ the module `metric` contains no item named `Zero`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `graphemes`
[INFO] [stdout]    --> src/lib.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |            $(#[$attr])*
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/internals/mod.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 | /     unicode_seg_iters! {
[INFO] [stdout] 583 | |         #[doc=
[INFO] [stdout] 584 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 585 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 596 | |         impl graphemes for Node { extend }
[INFO] [stdout] 597 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Returns an iterator over the [grapheme clusters][graphemes] of `self`.
[INFO] [stdout]                                                              ^^^^^^^^^
[INFO] [stdout]     = note: the module `internals` contains no item named `graphemes`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `graphemes`
[INFO] [stdout]    --> src/lib.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |            $(#[$attr])*
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/internals/mod.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 | /     unicode_seg_iters! {
[INFO] [stdout] 583 | |         #[doc=
[INFO] [stdout] 584 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 585 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 596 | |         impl graphemes for Node { extend }
[INFO] [stdout] 597 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             [graphemes]: http://www.unicode.org/reports/tr29/#Grapheme_Cluster_Boundaries
[INFO] [stdout]              ^^^^^^^^^
[INFO] [stdout]     = note: the module `internals` contains no item named `graphemes`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `graphemes`
[INFO] [stdout]    --> src/lib.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |            $(#[$attr])*
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 853 | |         // impl split_word_bound_indices<(usize, &'a str)> for Rope {}
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             Returns an iterator over the [grapheme clusters][graphemes] of `self`.
[INFO] [stdout]                                                              ^^^^^^^^^
[INFO] [stdout]     = note: the module `an_rope` contains no item named `graphemes`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `graphemes`
[INFO] [stdout]    --> src/lib.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |            $(#[$attr])*
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 853 | |         // impl split_word_bound_indices<(usize, &'a str)> for Rope {}
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             [graphemes]: http://www.unicode.org/reports/tr29/#Grapheme_Cluster_Boundaries
[INFO] [stdout]              ^^^^^^^^^
[INFO] [stdout]     = note: the module `an_rope` contains no item named `graphemes`
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "e4128ec8c8ae01eb690b2abe8bc490dc03271a0bcd6c05f54a1af2ec59805fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4128ec8c8ae01eb690b2abe8bc490dc03271a0bcd6c05f54a1af2ec59805fcb", kill_on_drop: false }`
[INFO] [stdout] e4128ec8c8ae01eb690b2abe8bc490dc03271a0bcd6c05f54a1af2ec59805fcb
