# rustc version rustc 1.94.0-nightly (4fa80a5e7 2026-01-05)
# docs.rs version docsrs 0.1.0 (7bfb09c2 2026-01-03 )
# build log [INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/preftool-0.2.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/preftool-0.2.0/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" "6442450944" "--cpus" "6" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260105-1.94.0-nightly-4fa80a5e7\", \"--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: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 67f4d3465a8d5d6d9d5ed1a3bbf396a058e78c58ad95dc4be719cfa0f332e0e6 [INFO] running `Command { std: "docker" "start" "-a" "67f4d3465a8d5d6d9d5ed1a3bbf396a058e78c58ad95dc4be719cfa0f332e0e6", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting preftool v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unexpected `cfg` condition name: `has_error_description_deprecated` [INFO] [stderr] --> src/bind.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | / error_chain! { [INFO] [stderr] 24 | | errors { [INFO] [stderr] 25 | | ValidationFailed(field: String, msg: String) { [INFO] [stderr] 26 | | description("validation failed") [INFO] [stderr] ... | [INFO] [stderr] 35 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stderr] = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg [INFO] [stderr] = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain` [INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `preftool` (lib doc) generated 1 warning [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/preftool/index.html [INFO] running `Command { std: "docker" "inspect" "67f4d3465a8d5d6d9d5ed1a3bbf396a058e78c58ad95dc4be719cfa0f332e0e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67f4d3465a8d5d6d9d5ed1a3bbf396a058e78c58ad95dc4be719cfa0f332e0e6", kill_on_drop: false }` [INFO] [stdout] 67f4d3465a8d5d6d9d5ed1a3bbf396a058e78c58ad95dc4be719cfa0f332e0e6