[INFO] fetching crate libzmq 0.2.5...
[INFO] documenting libzmq-0.2.5 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate libzmq 0.2.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libzmq 0.2.5 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libzmq 0.2.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libzmq 0.2.5
[INFO] tweaked toml for crates.io crate libzmq 0.2.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate libzmq 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.54.0" "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] 1d50e36803a4225b7f7b8c871ef9efbf702a87200c34174c3d3696bf1f01f88d
[INFO] running `Command { std: "docker" "start" "-a" "1d50e36803a4225b7f7b8c871ef9efbf702a87200c34174c3d3696bf1f01f88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d50e36803a4225b7f7b8c871ef9efbf702a87200c34174c3d3696bf1f01f88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d50e36803a4225b7f7b8c871ef9efbf702a87200c34174c3d3696bf1f01f88d", kill_on_drop: false }`
[INFO] [stdout] 1d50e36803a4225b7f7b8c871ef9efbf702a87200c34174c3d3696bf1f01f88d
[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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09b650e83199871ff23b56330028aa7ec3feb923096f3fb5f82d19336f8e764b
[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" "09b650e83199871ff23b56330028aa7ec3feb923096f3fb5f82d19336f8e764b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling libzmq-sys v0.1.8+4.3.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_with v1.4.0
[INFO] [stderr]     Checking humantime-serde v1.0.0
[INFO] [stderr]  Documenting libzmq v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `InvalidInput`
[INFO] [stdout]    --> src/core/heartbeat.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | /// * [`InvalidInput`]: (if contract is not respected)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^ no item named `InvalidInput` 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: `recv` is both a module and a function
[INFO] [stdout]    --> src/core/recv.rs:160:26
[INFO] [stdout]     |
[INFO] [stdout] 160 |     /// The timeout for [`recv`] on the socket.
[INFO] [stdout]     |                          ^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 160 |     /// The timeout for [`mod@recv`] on the socket.
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 |     /// The timeout for [`recv()`] on the socket.
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `recv` is both a module and a function
[INFO] [stdout]    --> src/core/recv.rs:162:40
[INFO] [stdout]     |
[INFO] [stdout] 162 |     /// If some timeout is specified, [`recv`] will return
[INFO] [stdout]     |                                        ^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 162 |     /// If some timeout is specified, [`mod@recv`] will return
[INFO] [stdout]     |                                        ^^^^^^^^^^
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 |     /// If some timeout is specified, [`recv()`] will return
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `WouldBlock`
[INFO] [stdout]    --> src/core/recv.rs:163:10
[INFO] [stdout]     |
[INFO] [stdout] 163 |     /// [`WouldBlock`] after the duration is elapsed. Otherwise it
[INFO] [stdout]     |          ^^^^^^^^^^^^ no item named `WouldBlock` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `recv` is both a module and a function
[INFO] [stdout]    --> src/core/recv.rs:169:31
[INFO] [stdout]     |
[INFO] [stdout] 169 |     /// Sets the timeout for [`recv`] on the socket.
[INFO] [stdout]     |                               ^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 169 |     /// Sets the timeout for [`mod@recv`] on the socket.
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 169 |     /// Sets the timeout for [`recv()`] on the socket.
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `recv` is both a module and a function
[INFO] [stdout]    --> src/core/recv.rs:171:40
[INFO] [stdout]     |
[INFO] [stdout] 171 |     /// If some timeout is specified, [`recv`] will return
[INFO] [stdout]     |                                        ^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 171 |     /// If some timeout is specified, [`mod@recv`] will return
[INFO] [stdout]     |                                        ^^^^^^^^^^
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 |     /// If some timeout is specified, [`recv()`] will return
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `WouldBlock`
[INFO] [stdout]    --> src/core/recv.rs:172:10
[INFO] [stdout]     |
[INFO] [stdout] 172 |     /// [`WouldBlock`] after the duration is elapsed. Otherwise it
[INFO] [stdout]     |          ^^^^^^^^^^^^ no item named `WouldBlock` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `send` is both a module and a function
[INFO] [stdout]    --> src/core/send.rs:167:31
[INFO] [stdout]     |
[INFO] [stdout] 167 |     /// Sets the timeout for [`send`] on the socket.
[INFO] [stdout]     |                               ^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 167 |     /// Sets the timeout for [`mod@send`] on the socket.
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 |     /// Sets the timeout for [`send()`] on the socket.
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `send` is both a module and a function
[INFO] [stdout]    --> src/core/send.rs:169:44
[INFO] [stdout]     |
[INFO] [stdout] 169 |     /// If some timeout is specified, the [`send`] will return
[INFO] [stdout]     |                                            ^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 169 |     /// If some timeout is specified, the [`mod@send`] will return
[INFO] [stdout]     |                                            ^^^^^^^^^^
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 169 |     /// If some timeout is specified, the [`send()`] will return
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `WouldBlock`
[INFO] [stdout]    --> src/core/send.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 |     /// [`WouldBlock`] after the duration is elapsed. Otherwise,
[INFO] [stdout]     |          ^^^^^^^^^^^^ no item named `WouldBlock` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `send` is both a module and a function
[INFO] [stdout]    --> src/core/send.rs:176:31
[INFO] [stdout]     |
[INFO] [stdout] 176 |     /// Sets the timeout for [`send`] on the socket.
[INFO] [stdout]     |                               ^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 176 |     /// Sets the timeout for [`mod@send`] on the socket.
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 |     /// Sets the timeout for [`send()`] on the socket.
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `send` is both a module and a function
[INFO] [stdout]    --> src/core/send.rs:178:44
[INFO] [stdout]     |
[INFO] [stdout] 178 |     /// If some timeout is specified, the [`send`] will return
[INFO] [stdout]     |                                            ^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 178 |     /// If some timeout is specified, the [`mod@send`] will return
[INFO] [stdout]     |                                            ^^^^^^^^^^
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 |     /// If some timeout is specified, the [`send()`] will return
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `WouldBlock`
[INFO] [stdout]    --> src/core/send.rs:179:10
[INFO] [stdout]     |
[INFO] [stdout] 179 |     /// [`WouldBlock`] after the duration is elapsed. Otherwise,
[INFO] [stdout]     |          ^^^^^^^^^^^^ no item named `WouldBlock` 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 `Dish`
[INFO] [stdout]    --> src/endpoint.rs:516:6
[INFO] [stdout]     |
[INFO] [stdout] 516 | /// [`Dish`], [`Radio`], [`Client`] and [`Server]
[INFO] [stdout]     |      ^^^^^^ no item named `Dish` 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 `Radio`
[INFO] [stdout]    --> src/endpoint.rs:516:16
[INFO] [stdout]     |
[INFO] [stdout] 516 | /// [`Dish`], [`Radio`], [`Client`] and [`Server]
[INFO] [stdout]     |                ^^^^^^^ no item named `Radio` 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 `Client`
[INFO] [stdout]    --> src/endpoint.rs:516:27
[INFO] [stdout]     |
[INFO] [stdout] 516 | /// [`Dish`], [`Radio`], [`Client`] and [`Server]
[INFO] [stdout]     |                           ^^^^^^^^ no item named `Client` 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 `Server`
[INFO] [stdout]    --> src/endpoint.rs:516:42
[INFO] [stdout]     |
[INFO] [stdout] 516 | /// [`Dish`], [`Radio`], [`Client`] and [`Server]
[INFO] [stdout]     |                                          ^^^^^^^ no item named `Server` 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 `Dish`
[INFO] [stdout]    --> src/endpoint.rs:634:6
[INFO] [stdout]     |
[INFO] [stdout] 634 | /// [`Dish`], [`Radio`]
[INFO] [stdout]     |      ^^^^^^ no item named `Dish` 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 `Radio`
[INFO] [stdout]    --> src/endpoint.rs:634:16
[INFO] [stdout]     |
[INFO] [stdout] 634 | /// [`Dish`], [`Radio`]
[INFO] [stdout]     |                ^^^^^^^ no item named `Radio` 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 `Dish`
[INFO] [stdout]     --> src/endpoint.rs:1025:6
[INFO] [stdout]      |
[INFO] [stdout] 1025 | /// [`Dish`], [`Radio`], [`Client`] and [`Server]
[INFO] [stdout]      |      ^^^^^^ no item named `Dish` 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 `Radio`
[INFO] [stdout]     --> src/endpoint.rs:1025:16
[INFO] [stdout]      |
[INFO] [stdout] 1025 | /// [`Dish`], [`Radio`], [`Client`] and [`Server]
[INFO] [stdout]      |                ^^^^^^^ no item named `Radio` 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 `Client`
[INFO] [stdout]     --> src/endpoint.rs:1025:27
[INFO] [stdout]      |
[INFO] [stdout] 1025 | /// [`Dish`], [`Radio`], [`Client`] and [`Server]
[INFO] [stdout]      |                           ^^^^^^^^ no item named `Client` 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 `Server`
[INFO] [stdout]     --> src/endpoint.rs:1025:42
[INFO] [stdout]      |
[INFO] [stdout] 1025 | /// [`Dish`], [`Radio`], [`Client`] and [`Server]
[INFO] [stdout]      |                                          ^^^^^^^ no item named `Server` 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 `Msg::group`
[INFO] [stdout]   --> src/group.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 | /// [`Group`] or from [`Msg::group`].
[INFO] [stdout]    |                        ^^^^^^^^^^^^ no item named `Msg` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `InvalidInput`
[INFO] [stdout]    --> src/core/heartbeat.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | /// * [`InvalidInput`]: (if contract is not respected)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^ no item named `InvalidInput` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "09b650e83199871ff23b56330028aa7ec3feb923096f3fb5f82d19336f8e764b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b650e83199871ff23b56330028aa7ec3feb923096f3fb5f82d19336f8e764b", kill_on_drop: false }`
[INFO] [stdout] 09b650e83199871ff23b56330028aa7ec3feb923096f3fb5f82d19336f8e764b
