[INFO] crate color-spantrace 0.1.3 is already in cache
[INFO] documenting color-spantrace-0.1.3 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate color-spantrace 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate color-spantrace 0.1.3 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate color-spantrace 0.1.3
[INFO] finished tweaking crates.io crate color-spantrace 0.1.3
[INFO] tweaked toml for crates.io crate color-spantrace 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate color-spantrace 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaa30559418e4a9947ba07423a5fd69b0d65998c2e781cad90a4c46738bcfa24
[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" "eaa30559418e4a9947ba07423a5fd69b0d65998c2e781cad90a4c46738bcfa24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaa30559418e4a9947ba07423a5fd69b0d65998c2e781cad90a4c46738bcfa24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa30559418e4a9947ba07423a5fd69b0d65998c2e781cad90a4c46738bcfa24", kill_on_drop: false }`
[INFO] [stdout] eaa30559418e4a9947ba07423a5fd69b0d65998c2e781cad90a4c46738bcfa24
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e884b7147970f0671362ee97114dbb873169b0d55f33cef2caecce80de1473d8
[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" "e884b7147970f0671362ee97114dbb873169b0d55f33cef2caecce80de1473d8", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]     Checking tracing v0.1.14
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]  Documenting color-spantrace v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:101:1
[INFO] [stdout]     |
[INFO] [stdout] 101 | / struct ColorSpanTrace<'a> {
[INFO] [stdout] 102 | |     span_trace: &'a SpanTrace,
[INFO] [stdout] 103 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:52:5
[INFO] [stdout]     |
[INFO] [stdout] 52  |     missing_doc_code_examples,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     span_trace: &'a SpanTrace,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 | / struct Frame<'a> {
[INFO] [stdout] 118 | |     metadata: &'a tracing_core::Metadata<'static>,
[INFO] [stdout] 119 | |     fields: &'a str,
[INFO] [stdout] 120 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     metadata: &'a tracing_core::Metadata<'static>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fields: &'a str,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | /// Defines how verbose the backtrace is supposed to be.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     /// Print a small message including the panic payload and the panic location.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     /// Everything in `Minimal` and additionally print a backtrace.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     /// Everything in `Medium` plus source snippets for all backtrace locations.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:256:1
[INFO] [stdout]     |
[INFO] [stdout] 256 | / trait ColorExt {
[INFO] [stdout] 257 | |     fn make_intense(self) -> Self;
[INFO] [stdout] 258 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:257:5
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn make_intense(self) -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:133:1
[INFO] [stdout]     |
[INFO] [stdout] 133 | / impl Verbosity {
[INFO] [stdout] 134 | |     fn lib_from_env() -> Self {
[INFO] [stdout] 135 | |         Self::convert_env(
[INFO] [stdout] 136 | |             env::var("RUST_LIB_BACKTRACE")
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |     }
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 | /     fn lib_from_env() -> Self {
[INFO] [stdout] 135 | |         Self::convert_env(
[INFO] [stdout] 136 | |             env::var("RUST_LIB_BACKTRACE")
[INFO] [stdout] 137 | |                 .or_else(|_| env::var("RUST_BACKTRACE"))
[INFO] [stdout] 138 | |                 .ok(),
[INFO] [stdout] 139 | |         )
[INFO] [stdout] 140 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | /     fn convert_env(env: Option<String>) -> Self {
[INFO] [stdout] 143 | |         match env {
[INFO] [stdout] 144 | |             Some(ref x) if x == "full" => Verbosity::Full,
[INFO] [stdout] 145 | |             Some(_) => Verbosity::Medium,
[INFO] [stdout] 146 | |             None => Verbosity::Minimal,
[INFO] [stdout] 147 | |         }
[INFO] [stdout] 148 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:151:1
[INFO] [stdout]     |
[INFO] [stdout] 151 | / impl Frame<'_> {
[INFO] [stdout] 152 | |     fn print(&self, i: u32, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout] 153 | |         self.print_header(i, f)?;
[INFO] [stdout] 154 | |         self.print_fields(f)?;
[INFO] [stdout] ...   |
[INFO] [stdout] 225 | |     }
[INFO] [stdout] 226 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 | /     fn print(&self, i: u32, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout] 153 | |         self.print_header(i, f)?;
[INFO] [stdout] 154 | |         self.print_fields(f)?;
[INFO] [stdout] 155 | |         self.print_source_location(f)?;
[INFO] [stdout] 156 | |         Ok(())
[INFO] [stdout] 157 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     fn print_header(&self, i: u32, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout] 160 | |         write!(
[INFO] [stdout] 161 | |             f,
[INFO] [stdout] 162 | |             "{:>2}: {}{}{}",
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |         )
[INFO] [stdout] 168 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 | /     fn print_fields(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout] 171 | |         if !self.fields.is_empty() {
[INFO] [stdout] 172 | |             write!(f, " with {}", Cyan.make_intense().paint(self.fields))?;
[INFO] [stdout] 173 | |         }
[INFO] [stdout] 174 | |
[INFO] [stdout] 175 | |         Ok(())
[INFO] [stdout] 176 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 | /     fn print_source_location(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout] 179 | |         if let Some(file) = self.metadata.file() {
[INFO] [stdout] 180 | |             let lineno = self
[INFO] [stdout] 181 | |                 .metadata
[INFO] [stdout] ...   |
[INFO] [stdout] 189 | |         Ok(())
[INFO] [stdout] 190 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 | /     fn print_source_if_avail(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout] 193 | |         let (lineno, filename) = match (self.metadata.line(), self.metadata.file()) {
[INFO] [stdout] 194 | |             (Some(a), Some(b)) => (a, b),
[INFO] [stdout] 195 | |             // Without a line number and file name, we can't sensibly proceed.
[INFO] [stdout] ...   |
[INFO] [stdout] 224 | |         Ok(())
[INFO] [stdout] 225 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:260:1
[INFO] [stdout]     |
[INFO] [stdout] 260 | / impl ColorExt for ansi_term::Color {
[INFO] [stdout] 261 | |     fn make_intense(self) -> Self {
[INFO] [stdout] 262 | |         use ansi_term::Color::*;
[INFO] [stdout] 263 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 276 | |     }
[INFO] [stdout] 277 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:261:5
[INFO] [stdout]     |
[INFO] [stdout] 261 | /     fn make_intense(self) -> Self {
[INFO] [stdout] 262 | |         use ansi_term::Color::*;
[INFO] [stdout] 263 | |
[INFO] [stdout] 264 | |         match self {
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |         }
[INFO] [stdout] 276 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | / impl ColorExt for ansi_term::Style {
[INFO] [stdout] 279 | |     fn make_intense(mut self) -> Self {
[INFO] [stdout] 280 | |         if let Some(color) = self.foreground {
[INFO] [stdout] 281 | |             self.foreground = Some(color.make_intense());
[INFO] [stdout] ...   |
[INFO] [stdout] 284 | |     }
[INFO] [stdout] 285 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 279 | /     fn make_intense(mut self) -> Self {
[INFO] [stdout] 280 | |         if let Some(color) = self.foreground {
[INFO] [stdout] 281 | |             self.foreground = Some(color.make_intense());
[INFO] [stdout] 282 | |         }
[INFO] [stdout] 283 | |         self
[INFO] [stdout] 284 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:228:1
[INFO] [stdout]     |
[INFO] [stdout] 228 | / impl fmt::Display for ColorSpanTrace<'_> {
[INFO] [stdout] 229 | |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout] 230 | |         let mut err = Ok(());
[INFO] [stdout] 231 | |         let mut span = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 252 | |     }
[INFO] [stdout] 253 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 | /     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout] 230 | |         let mut err = Ok(());
[INFO] [stdout] 231 | |         let mut span = 0;
[INFO] [stdout] 232 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 251 | |         err
[INFO] [stdout] 252 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.52s
[INFO] running `Command { std: "docker" "inspect" "e884b7147970f0671362ee97114dbb873169b0d55f33cef2caecce80de1473d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e884b7147970f0671362ee97114dbb873169b0d55f33cef2caecce80de1473d8", kill_on_drop: false }`
[INFO] [stdout] e884b7147970f0671362ee97114dbb873169b0d55f33cef2caecce80de1473d8