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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.101.0-nightly (32dba69d6 2026-10-09)
# docs.rs version docsrs 0.0.0 (345207b5bd3e08551abe806ac963257c692997f6 2026-10-08 )
# build log [INFO] adding target x86_64-unknown-linux-gnu for toolchain nightly [INFO] running `"rustup" "target" "add" "--toolchain" "nightly" "x86_64-unknown-linux-gnu"` [INFO] [stderr] info: component rust-std is up to date [INFO] running `"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" "71e696db18af91d9a136c751b37e11cbb160bbe56a59d02f0aac685cbead3a55" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=html-non-static-files\", \"--resource-suffix\", \"-20261009-1.101.0-nightly-32dba69d6\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--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\"" "-j12" "--target" "x86_64-unknown-linux-gnu" "-Zrustdoc-scrape-examples"` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Compiling libsession-sys v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling thiserror-impl v2.0.21 [INFO] [stderr] error: failed to run custom build command for `libsession-sys v0.1.3 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libsession-sys/127b321ba4215ce8/out/build_script_build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-env-changed=LIBSESSION_NO_PKG_CONFIG [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-gnu [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_gnu [INFO] [stderr] cargo:rerun-if-env-changed=HOST_PKG_CONFIG [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu [INFO] [stderr] cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_PATH [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu [INFO] [stderr] cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu [INFO] [stderr] cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (415) panicked at build.rs:7:10: [INFO] [stderr] libsession >= 0.1.3 is required; install its development package and ensure libsession.pc is in PKG_CONFIG_PATH: [INFO] [stderr] pkg-config exited with status code 1 [INFO] [stderr] > PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 pkg-config --libs --cflags libsession 'libsession >= 0.1.3' [INFO] [stderr] [INFO] [stderr] pkg-config output: [INFO] [stderr] Package libsession was not found in the pkg-config search path. [INFO] [stderr] Perhaps you should add the directory containing `libsession.pc' [INFO] [stderr] to the PKG_CONFIG_PATH environment variable [INFO] [stderr] Package 'libsession' not found [INFO] [stderr] Package 'libsession' not found [INFO] [stderr] [INFO] [stderr] The system library `libsession` required by crate `libsession-sys` was not found. [INFO] [stderr] The file `libsession.pc` needs to be installed and the PKG_CONFIG_PATH environment variable must contain its parent directory. [INFO] [stderr] The PKG_CONFIG_PATH environment variable is not set. [INFO] [stderr] [INFO] [stderr] HINT: if you have installed the library, try setting PKG_CONFIG_PATH to the directory containing `libsession.pc`. [INFO] [stderr] [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 `"docker" "inspect" "71e696db18af91d9a136c751b37e11cbb160bbe56a59d02f0aac685cbead3a55"`