[INFO] fetching crate clerk 0.4.0...
[INFO] documenting clerk-0.4.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate clerk 0.4.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate clerk 0.4.0 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 clerk 0.4.0
[INFO] finished tweaking crates.io crate clerk 0.4.0
[INFO] tweaked toml for crates.io crate clerk 0.4.0 written to /workspace/builds/worker-13/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4078c5d29495a80fb8138d48eaf631aa78bca7314dddd259644d1c70348460d7
[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" "4078c5d29495a80fb8138d48eaf631aa78bca7314dddd259644d1c70348460d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4078c5d29495a80fb8138d48eaf631aa78bca7314dddd259644d1c70348460d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4078c5d29495a80fb8138d48eaf631aa78bca7314dddd259644d1c70348460d7", kill_on_drop: false }`
[INFO] [stdout] 4078c5d29495a80fb8138d48eaf631aa78bca7314dddd259644d1c70348460d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 91e70efd9c97fce2930233bfb2647a595f3acac662d6c89b934b2690c1adee7e
[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" "91e70efd9c97fce2930233bfb2647a595f3acac662d6c89b934b2690c1adee7e", kill_on_drop: false }`
[INFO] [stderr]  Documenting clerk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:53:75
[INFO] [stdout]    |
[INFO] [stdout] 53 | /// This trait is used to provide an initialization implementation for a [`Display`] connection.
[INFO] [stdout]    |                                                                           ^^^^^^^^^ the module `hal` contains no item named `Display`
[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 `Display`
[INFO] [stdout]   --> src/hal.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | /// [`Display`]: struct.Display.html
[INFO] [stdout]    |      ^^^^^^^^^ the module `hal` contains no item named `Display`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:60:77
[INFO] [stdout]    |
[INFO] [stdout] 60 | /// This trait is used to provide an implementation for sending data via a [`Display`] connection.
[INFO] [stdout]    |                                                                             ^^^^^^^^^ the module `hal` contains no item named `Display`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | /// [`Display`]: struct.Display.html
[INFO] [stdout]    |      ^^^^^^^^^ the module `hal` contains no item named `Display`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:67:79
[INFO] [stdout]    |
[INFO] [stdout] 67 | /// This trait is used to provide an implementation for receiving data via a [`Display`] connection.
[INFO] [stdout]    |                                                                               ^^^^^^^^^ the module `hal` contains no item named `Display`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | /// [`Display`]: struct.Display.html
[INFO] [stdout]    |      ^^^^^^^^^ the module `hal` contains no item named `Display`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:53:75
[INFO] [stdout]    |
[INFO] [stdout] 53 | /// This trait is used to provide an initialization implementation for a [`Display`] connection.
[INFO] [stdout]    |                                                                           ^^^^^^^^^ the module `hal` contains no item named `Display`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "91e70efd9c97fce2930233bfb2647a595f3acac662d6c89b934b2690c1adee7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e70efd9c97fce2930233bfb2647a595f3acac662d6c89b934b2690c1adee7e", kill_on_drop: false }`
[INFO] [stdout] 91e70efd9c97fce2930233bfb2647a595f3acac662d6c89b934b2690c1adee7e
