[INFO] fetching crate icu_plurals 0.3.0...
[INFO] documenting icu_plurals-0.3.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate icu_plurals 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate icu_plurals 0.3.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate icu_plurals 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate icu_plurals 0.3.0
[INFO] tweaked toml for crates.io crate icu_plurals 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate icu_plurals 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded icu_testdata v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56a4d611b8ff574a50a21b0a718422e9ccb621e16d8a6b44c6653be38392d7c9
[INFO] running `Command { std: "docker" "start" "-a" "56a4d611b8ff574a50a21b0a718422e9ccb621e16d8a6b44c6653be38392d7c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56a4d611b8ff574a50a21b0a718422e9ccb621e16d8a6b44c6653be38392d7c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a4d611b8ff574a50a21b0a718422e9ccb621e16d8a6b44c6653be38392d7c9", kill_on_drop: false }`
[INFO] [stdout] 56a4d611b8ff574a50a21b0a718422e9ccb621e16d8a6b44c6653be38392d7c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7279eb8e88057be428e0b05ed3410c6bfe1cc30bcce8478bdd51df86e76dcf52
[INFO] running `Command { std: "docker" "start" "-a" "7279eb8e88057be428e0b05ed3410c6bfe1cc30bcce8478bdd51df86e76dcf52", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]    Compiling icu_provider_macros v0.3.0
[INFO] [stderr]    Compiling yoke-derive v0.1.1
[INFO] [stderr]     Checking icu_locid v0.3.0
[INFO] [stderr]     Checking fixed_decimal v0.2.1
[INFO] [stderr]     Checking yoke v0.2.3
[INFO] [stderr]     Checking icu_provider v0.3.0
[INFO] [stderr]  Documenting icu_plurals v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `String`
[INFO] [stdout]  --> src/rules/serializer.rs:9:62
[INFO] [stdout]   |
[INFO] [stdout] 9 | /// Unicode Plural Rule serializer converts an [`AST`] to a [`String`].
[INFO] [stdout]   |                                                              ^^^^^^^^ no item named `String` 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: unresolved link to `String`
[INFO] [stdout]  --> src/rules/serializer.rs:9:62
[INFO] [stdout]   |
[INFO] [stdout] 9 | /// Unicode Plural Rule serializer converts an [`AST`] to a [`String`].
[INFO] [stdout]   |                                                              ^^^^^^^^ no item named `String` 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 `std::convert::TryFrom`
[INFO] [stdout]    --> src/lib.rs:316:83
[INFO] [stdout]     |
[INFO] [stdout] 316 |     /// For signed numbers and strings, [`Plural Operands`] implement [`TryFrom`](std::convert::TryFrom)
[INFO] [stdout]     |                                                                                   ^^^^^^^^^^^^^^^^^^^^^ no item named `std` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `std::str::FromStr`
[INFO] [stdout]    --> src/lib.rs:317:25
[INFO] [stdout]     |
[INFO] [stdout] 317 |     /// and [`FromStr`](std::str::FromStr), which should be used before passing the result to
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^ no item named `std` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.49s
[INFO] running `Command { std: "docker" "inspect" "7279eb8e88057be428e0b05ed3410c6bfe1cc30bcce8478bdd51df86e76dcf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7279eb8e88057be428e0b05ed3410c6bfe1cc30bcce8478bdd51df86e76dcf52", kill_on_drop: false }`
[INFO] [stdout] 7279eb8e88057be428e0b05ed3410c6bfe1cc30bcce8478bdd51df86e76dcf52
