[INFO] fetching crate nftnl-sys 0.6.4...
[INFO] testing nftnl-sys-0.6.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate nftnl-sys 0.6.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nftnl-sys 0.6.4
[INFO] finished tweaking crates.io crate nftnl-sys 0.6.4
[INFO] tweaked toml for crates.io crate nftnl-sys 0.6.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nftnl-sys 0.6.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nftnl-sys 0.6.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bea854fd9196a3c1699c6f06ac477f1d27b78f5e961b1c6505dbaaf66b9f1b1
[INFO] running `Command { std: "docker" "start" "-a" "7bea854fd9196a3c1699c6f06ac477f1d27b78f5e961b1c6505dbaaf66b9f1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bea854fd9196a3c1699c6f06ac477f1d27b78f5e961b1c6505dbaaf66b9f1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bea854fd9196a3c1699c6f06ac477f1d27b78f5e961b1c6505dbaaf66b9f1b1", kill_on_drop: false }`
[INFO] [stdout] 7bea854fd9196a3c1699c6f06ac477f1d27b78f5e961b1c6505dbaaf66b9f1b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4814d74d5b2deed559672341459e00709e3102fb4249aa3e8808a9e1ef8512c6
[INFO] running `Command { std: "docker" "start" "-a" "4814d74d5b2deed559672341459e00709e3102fb4249aa3e8808a9e1ef8512c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling mnl-sys v0.2.2
[INFO] [stderr]    Compiling nftnl-sys v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `nftnl-sys v0.6.4 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nftnl-sys-162e9a77a08a9f35/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo::rustc-env=LIBNFTNL_VERSION=1.0.6
[INFO] [stderr]   cargo::rustc-env=LIBNFTNL_MAJOR=1
[INFO] [stderr]   cargo::rustc-env=LIBNFTNL_MINOR=0
[INFO] [stderr]   cargo::rustc-env=LIBNFTNL_PATCH=6
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBNFTNL_LIB_DIR
[INFO] [stderr]   Minimum libnftnl version: 1.0.6
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBNFTNL_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=LIBNFTNL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBNFTNL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[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' (80) panicked at build.rs:79:14:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: 
[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 libnftnl 'libnftnl >= 1.0.6'
[INFO] [stderr] 
[INFO] [stderr]   The system library `libnftnl` required by crate `nftnl-sys` was not found.
[INFO] [stderr]   The file `libnftnl.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 `libnftnl.pc`.
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5f2e17d1e16a - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5f2e17d1e16a - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized::<std[e72de78501789eb0]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5f2e17d1e16a - std[e72de78501789eb0]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5f2e17d1e16a - <<std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5f2e17d2f81a - <core[6aaeda2c7ad07a48]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5f2e17d2f81a - core[6aaeda2c7ad07a48]::fmt::write
[INFO] [stderr]      6:     0x5f2e17d22542 - std[e72de78501789eb0]::io::default_write_fmt::<std[e72de78501789eb0]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5f2e17d22542 - <std[e72de78501789eb0]::sys::stdio::unix::Stderr as std[e72de78501789eb0]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5f2e17d01d8f - <std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5f2e17d01d8f - std[e72de78501789eb0]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5f2e17d19811 - std[e72de78501789eb0]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5f2e17d199cb - std[e72de78501789eb0]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5f2e17d01e48 - std[e72de78501789eb0]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5f2e17cf9819 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace::<std[e72de78501789eb0]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5f2e17d027ad - __rustc[78a4cf188af856fc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5f2e17d2ff6c - core[6aaeda2c7ad07a48]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5f2e17d2fce2 - core[6aaeda2c7ad07a48]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5f2e17cc7c95 - build_script_build[fbe1970d938b9a53]::main
[INFO] [stderr]     18:     0x5f2e17cc7fc3 - <fn() as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5f2e17cc73b6 - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5f2e17cc73c9 - std[e72de78501789eb0]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5f2e17d18974 - <&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5f2e17d18974 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x5f2e17d18974 - std[e72de78501789eb0]::panicking::catch_unwind::<i32, &dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5f2e17d18974 - std[e72de78501789eb0]::panic::catch_unwind::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5f2e17d18974 - std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5f2e17d18974 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x5f2e17d18974 - std[e72de78501789eb0]::panicking::catch_unwind::<isize, std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5f2e17d18974 - std[e72de78501789eb0]::panic::catch_unwind::<std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5f2e17d18974 - std[e72de78501789eb0]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5f2e17cc73a1 - std[e72de78501789eb0]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5f2e17cc8025 - main
[INFO] [stderr]     32:     0x74f1d8aee1ca - <unknown>
[INFO] [stderr]     33:     0x74f1d8aee28b - __libc_start_main
[INFO] [stderr]     34:     0x5f2e17cc7245 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4814d74d5b2deed559672341459e00709e3102fb4249aa3e8808a9e1ef8512c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4814d74d5b2deed559672341459e00709e3102fb4249aa3e8808a9e1ef8512c6", kill_on_drop: false }`
[INFO] [stdout] 4814d74d5b2deed559672341459e00709e3102fb4249aa3e8808a9e1ef8512c6