opentelemetry 0.15.0

A metrics collection and distributed tracing framework
Documentation
Build #401176 2021-06-17T16:37:07.795546+00:00
# rustc version
rustc 1.55.0-nightly (a85f584ae 2021-06-16)
# docs.rs version
docsrs 0.6.0 (4924b95 2021-06-15)

# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/opentelemetry-0.15.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/opentelemetry-0.15.0/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--cpus" "2" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-j2" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--emit=invocation-specific" "--resource-suffix" "-20210616-1.55.0-nightly-a85f584ae" "--static-root-path" "/" "--cap-lints" "warn" "--disable-per-crate-search", kill_on_drop: false }`
[INFO] [stdout] 56ad1a2fcc447a1ea83767b4a787fbc55a86b6d02f9af7414d8f8cda27efd9b7
[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" "56ad1a2fcc447a1ea83767b4a787fbc55a86b6d02f9af7414d8f8cda27efd9b7", kill_on_drop: false }`
[INFO] [stderr]  Documenting opentelemetry v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: this URL is not a hyperlink
[INFO] [stderr]    --> src/trace/span_context.rs:323:19
[INFO] [stderr]     |
[INFO] [stderr] 323 |     /// ['spec']: https://www.w3.org/TR/trace-context/#list
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.w3.org/TR/trace-context/#list>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stderr]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stderr] 
[INFO] [stderr] warning: this URL is not a hyperlink
[INFO] [stderr]    --> src/trace/span_context.rs:390:33
[INFO] [stderr]     |
[INFO] [stderr] 390 |     /// The key is invalid. See https://www.w3.org/TR/trace-context/#key for requirement for keys.
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.w3.org/TR/trace-context/#key>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stderr] 
[INFO] [stderr] warning: this URL is not a hyperlink
[INFO] [stderr]    --> src/trace/span_context.rs:394:35
[INFO] [stderr]     |
[INFO] [stderr] 394 |     /// The value is invalid. See https://www.w3.org/TR/trace-context/#value for requirement for values.
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.w3.org/TR/trace-context/#value>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stderr] 
[INFO] [stderr] warning: this URL is not a hyperlink
[INFO] [stderr]    --> src/trace/span_context.rs:398:35
[INFO] [stderr]     |
[INFO] [stderr] 398 |     /// The value is invalid. See https://www.w3.org/TR/trace-context/#list for requirement for list members.
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.w3.org/TR/trace-context/#list>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "56ad1a2fcc447a1ea83767b4a787fbc55a86b6d02f9af7414d8f8cda27efd9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ad1a2fcc447a1ea83767b4a787fbc55a86b6d02f9af7414d8f8cda27efd9b7", kill_on_drop: false }`
[INFO] [stdout] 56ad1a2fcc447a1ea83767b4a787fbc55a86b6d02f9af7414d8f8cda27efd9b7