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# rustc version
rustc 1.95.0-nightly (f134bbc78 2026-01-24)# docs.rs version
docsrs 0.1.0 (07f7a059 2026-01-22 )# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder/builds/cctr-0.17.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder/builds/cctr-0.17.0/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260124-1.95.0-nightly-f134bbc78\", \"--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] c1cc08fe142354be56568808d655981db853d466cc0c316bb1dde62b489d0b37
[INFO] running `Command { std: "docker" "start" "-a" "c1cc08fe142354be56568808d655981db853d466cc0c316bb1dde62b489d0b37", kill_on_drop: false }`
[INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op
[INFO] [stderr] Compiling proc-macro2 v1.0.106
[INFO] [stderr] Checking libc v0.2.180
[INFO] [stderr] Compiling cctr v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `cctr v0.17.0 (/opt/rustwide/workdir)`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/cctr-d454e5a89191dbe5/build-script-build` (exit status: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo::rerun-if-changed=/opt/rustwide/workdir/../../README.md
[INFO] [stderr]
[INFO] [stderr] --- stderr
[INFO] [stderr]
[INFO] [stderr] thread 'main' (19) panicked at build.rs:11:51:
[INFO] [stderr] Failed to read README.md: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr] note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c1cc08fe142354be56568808d655981db853d466cc0c316bb1dde62b489d0b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1cc08fe142354be56568808d655981db853d466cc0c316bb1dde62b489d0b37", kill_on_drop: false }`
[INFO] [stdout] c1cc08fe142354be56568808d655981db853d466cc0c316bb1dde62b489d0b37