[INFO] fetching crate libslirp-sys 4.2.1...
[INFO] checking libslirp-sys-4.2.1 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate libslirp-sys 4.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate libslirp-sys 4.2.1
[INFO] finished tweaking crates.io crate libslirp-sys 4.2.1
[INFO] tweaked toml for crates.io crate libslirp-sys 4.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libslirp-sys 4.2.1 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aca8c51505aaedd1b60bea870fa84b43191118d4c2fcd8feba1d4589048744fe
[INFO] running `Command { std: "docker" "start" "-a" "aca8c51505aaedd1b60bea870fa84b43191118d4c2fcd8feba1d4589048744fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca8c51505aaedd1b60bea870fa84b43191118d4c2fcd8feba1d4589048744fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca8c51505aaedd1b60bea870fa84b43191118d4c2fcd8feba1d4589048744fe", kill_on_drop: false }`
[INFO] [stdout] aca8c51505aaedd1b60bea870fa84b43191118d4c2fcd8feba1d4589048744fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f71c1311bd5a7c46ec0b2f610f2b26703a4a80b02640467e6259b0ae52061f41
[INFO] running `Command { std: "docker" "start" "-a" "f71c1311bd5a7c46ec0b2f610f2b26703a4a80b02640467e6259b0ae52061f41", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling libslirp-sys v4.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `libslirp-sys v4.2.1 (/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/libslirp-sys-e8c570f89c376350/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=SLIRP >= 4.2.0_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=SLIRP >= 4.2.0_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=SLIRP >= 4.2.0_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' panicked at build.rs:10:52:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: "\npkg-config exited with status code 1\n> PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 pkg-config --libs --cflags 'slirp >= 4.2.0'\n\nThe system library `slirp >= 4.2.0` required by crate `libslirp-sys` was not found.\nThe file `slirp >= 4.2.0.pc` needs to be installed and the PKG_CONFIG_PATH environment variable must contain its parent directory.\nThe PKG_CONFIG_PATH environment variable is not set.\n\nHINT: if you have installed the library, try setting PKG_CONFIG_PATH to the directory containing `slirp >= 4.2.0.pc`.\n"
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x57857b59a162 - std::backtrace_rs::backtrace::libunwind::trace::h35697ee4eba130ce
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x57857b59a162 - std::backtrace_rs::backtrace::trace_unsynchronized::h821d82358390ef61
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x57857b59a162 - std::sys::backtrace::_print_fmt::h9158bc717d508a77
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x57857b59a162 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5ed0d80c0838d532
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x57857b5ba6f3 - core::fmt::rt::Argument::fmt::h1fe7174bba1b124b
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x57857b5ba6f3 - core::fmt::write::hb2c60dfec63532e6
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x57857b597463 - std::io::default_write_fmt::h6bc575c69608f4bf
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x57857b597463 - std::io::Write::write_fmt::h7d885d72495c944f
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x57857b599fb2 - std::sys::backtrace::BacktraceLock::print::h4bc25f9b1002918e
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x57857b59b1e3 - std::panicking::default_hook::{{closure}}::h692acb67e5838edc
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x57857b59afc5 - std::panicking::default_hook::h6d7f5243a6b747a3
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x57857b59bbb5 - std::panicking::rust_panic_with_hook::hb10a8b2fbcdc8429
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x57857b59b94a - std::panicking::begin_panic_handler::{{closure}}::hba6753e2258c3ca5
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x57857b59a659 - std::sys::backtrace::__rust_end_short_backtrace::h2cb272d2e7861977
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x57857b59b5dd - __rustc[eab4d5e6b70a8ffe]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x57857b5b9920 - core::panicking::panic_fmt::hf5fc61f5edac1f66
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x57857b5b9d56 - core::result::unwrap_failed::haa623b4ff31ed2b9
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/result.rs:1761:5
[INFO] [stderr]     17:     0x57857b54c6a5 - build_script_build::main::ha2ae281ccea66bea
[INFO] [stderr]     18:     0x57857b54c373 - core::ops::function::FnOnce::call_once::hd08ab83f3cd7c197
[INFO] [stderr]     19:     0x57857b54c316 - std::sys::backtrace::__rust_begin_short_backtrace::hff8d9c207b41ad19
[INFO] [stderr]     20:     0x57857b54c2f9 - std::rt::lang_start::{{closure}}::hcc0c34450a6ee14c
[INFO] [stderr]     21:     0x57857b593f20 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h66ad6720703f8ea1
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     22:     0x57857b593f20 - std::panicking::catch_unwind::do_call::he2b21b35195f1300
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:589:40
[INFO] [stderr]     23:     0x57857b593f20 - std::panicking::catch_unwind::hc26ac766233d7e02
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:552:19
[INFO] [stderr]     24:     0x57857b593f20 - std::panic::catch_unwind::h8b08d739cff46c9c
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x57857b593f20 - std::rt::lang_start_internal::{{closure}}::h45fb10f5cf038da2
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x57857b593f20 - std::panicking::catch_unwind::do_call::h9dd91bad151f329c
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:589:40
[INFO] [stderr]     27:     0x57857b593f20 - std::panicking::catch_unwind::h4a013f3afc17f233
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:552:19
[INFO] [stderr]     28:     0x57857b593f20 - std::panic::catch_unwind::h402a508eeeb80b75
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x57857b593f20 - std::rt::lang_start_internal::h310eb6ed8a66b615
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x57857b54c2e1 - std::rt::lang_start::h7ee307d841ffb7c9
[INFO] [stderr]     31:     0x57857b54c725 - main
[INFO] [stderr]     32:     0x738ce9d981ca - <unknown>
[INFO] [stderr]     33:     0x738ce9d9828b - __libc_start_main
[INFO] [stderr]     34:     0x57857b54c1f5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f71c1311bd5a7c46ec0b2f610f2b26703a4a80b02640467e6259b0ae52061f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71c1311bd5a7c46ec0b2f610f2b26703a4a80b02640467e6259b0ae52061f41", kill_on_drop: false }`
[INFO] [stdout] f71c1311bd5a7c46ec0b2f610f2b26703a4a80b02640467e6259b0ae52061f41
