# rustc version rustc 1.98.0-nightly (c1b22f44c 2026-06-17)
# docs.rs version docsrs 0.0.0 (886bc7a22b1adc4b387ce1343447fe3af98d9ce5 2026-06-14 )
# build log [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "9983d463414eb50562c8485a07e1fca10deaec9bbd37ae95e1893c4f0e085423" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260617-1.98.0-nightly-c1b22f44c\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }` [INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `flame` (manifest) generated 1 warning [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | try!(write!(out, r#" [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | try!(write!(out, r#"]}}).call(flamegraph); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | try!(writeln!(out, "{{")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | try!(writeln!(out, r#"name: "{}","#, span.name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | try!(writeln!(out, "value: {},", span.delta)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | try!(writeln!(out, "start: {},", span.start_ns)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | try!(writeln!(out, "end: {},", span.end_ns)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | try!(writeln!(out, "children: [")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | try!(writeln!(out, "],")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | try!(writeln!(out, "}}")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | try!(dump_spans(out, child)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | try!(writeln!(out, ",")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | try!(dump_spans(&mut out, &span)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/html.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | try!(writeln!(out, ",")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stderr] --> src/lib.rs:65:1 [INFO] [stderr] | [INFO] [stderr] 65 | lazy_static!(static ref ALL_THREADS: Mutex<Vec<(usize, Option<String>, PrivateFrame)>> = Mutex::new(Vec::new());); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `flame` (lib) generated 15 warnings [INFO] [stderr] Scraping flame v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Documenting flame v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/flame/index.html [INFO] running `Command { std: "docker" "inspect" "9983d463414eb50562c8485a07e1fca10deaec9bbd37ae95e1893c4f0e085423", kill_on_drop: false }`