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# rustc version rustc 1.93.0-nightly (3ff30e7ea 2025-11-29)
# docs.rs version docsrs 0.6.0 (6d5049f1 2025-11-27 )
# build log [INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder/builds/floatx4-1.1.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder/builds/floatx4-1.1.0/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace-builder/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace-builder/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20251129-1.93.0-nightly-3ff30e7ea\", \"--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] 517a7d7bf3ec1b98e22c677db09cbc059e8b191519b1d2e2c1ff05096baecfeb [INFO] running `Command { std: "docker" "start" "-a" "517a7d7bf3ec1b98e22c677db09cbc059e8b191519b1d2e2c1ff05096baecfeb", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Checking approximately v1.1.0 [INFO] [stderr] error[E0635]: unknown feature `cfg_match` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/approximately-1.1.0/src/lib.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | #![feature(cfg_match)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0635`. [INFO] [stderr] error: could not compile `approximately` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "517a7d7bf3ec1b98e22c677db09cbc059e8b191519b1d2e2c1ff05096baecfeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "517a7d7bf3ec1b98e22c677db09cbc059e8b191519b1d2e2c1ff05096baecfeb", kill_on_drop: false }` [INFO] [stdout] 517a7d7bf3ec1b98e22c677db09cbc059e8b191519b1d2e2c1ff05096baecfeb