[INFO] fetching crate nix-bindings-fetchers-sys 0.2.1...
[INFO] checking nix-bindings-fetchers-sys-0.2.1 against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] extracting crate nix-bindings-fetchers-sys 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate nix-bindings-fetchers-sys 0.2.1
[INFO] finished tweaking crates.io crate nix-bindings-fetchers-sys 0.2.1
[INFO] tweaked toml for crates.io crate nix-bindings-fetchers-sys 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nix-bindings-fetchers-sys 0.2.1 on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nix-bindings-fetchers-sys 0.2.1 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" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix-bindings-util-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7d4ebf1ff200172bd9b6b736e2f4fb735abcf38c74e0459be71514a8666477eb
[INFO] running `Command { std: "docker" "start" "7d4ebf1ff200172bd9b6b736e2f4fb735abcf38c74e0459be71514a8666477eb", kill_on_drop: false }`
[INFO] running `Command { std: "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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d4ebf1ff200172bd9b6b736e2f4fb735abcf38c74e0459be71514a8666477eb" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d4ebf1ff200172bd9b6b736e2f4fb735abcf38c74e0459be71514a8666477eb", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d4ebf1ff200172bd9b6b736e2f4fb735abcf38c74e0459be71514a8666477eb" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling nix-bindings-util-sys v0.2.1
[INFO] [stderr]    Compiling nix-bindings-fetchers-sys v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `nix-bindings-util-sys v0.2.1`
[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/nix-bindings-util-sys-8639d364817443ba/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=include/nix-c-util.h
[INFO] [stderr]   cargo:rustc-link-lib=nixutil
[INFO] [stderr]   cargo:rerun-if-env-changed=NIX_UTIL_C_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=NIX_UTIL_C_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=NIX_UTIL_C_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' (590) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-bindings-util-sys-0.2.1/build.rs:42:10:
[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 nix-util-c
[INFO] [stderr] 
[INFO] [stderr]   The system library `nix-util-c` required by crate `nix-bindings-util-sys` was not found.
[INFO] [stderr]   The file `nix-util-c.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 `nix-util-c.pc`.
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x60184599cc48 - std[b9f13bc89bd70ad0]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x60184599cc48 - std[b9f13bc89bd70ad0]::backtrace_rs::backtrace::trace_unsynchronized::<std[b9f13bc89bd70ad0]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x60184599cc48 - std[b9f13bc89bd70ad0]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x60184599cc48 - <<std[b9f13bc89bd70ad0]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[b6b282205303ee1b]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x6018459b253a - <core[b6b282205303ee1b]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x6018459b253a - core[b6b282205303ee1b]::fmt::write
[INFO] [stderr]      6:     0x6018459a1b12 - std[b9f13bc89bd70ad0]::io::default_write_fmt::<std[b9f13bc89bd70ad0]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/io/mod.rs:623:11
[INFO] [stderr]      7:     0x6018459a1b12 - <std[b9f13bc89bd70ad0]::sys::stdio::unix::Stderr as std[b9f13bc89bd70ad0]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/io/mod.rs:1727:13
[INFO] [stderr]      8:     0x60184597d836 - <std[b9f13bc89bd70ad0]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x60184597d836 - std[b9f13bc89bd70ad0]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x601845997291 - std[b9f13bc89bd70ad0]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x60184599750b - std[b9f13bc89bd70ad0]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:814:13
[INFO] [stderr]     12:     0x60184597d8f2 - std[b9f13bc89bd70ad0]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:687:13
[INFO] [stderr]     13:     0x6018459750d9 - std[b9f13bc89bd70ad0]::sys::backtrace::__rust_end_short_backtrace::<std[b9f13bc89bd70ad0]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x60184597e25d - __rustc[aae511d917f94152]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:678:5
[INFO] [stderr]     15:     0x6018459b2dbc - core[b6b282205303ee1b]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x6018459b2b32 - core[b6b282205303ee1b]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/core/src/result.rs:1870:5
[INFO] [stderr]     17:     0x60184542c72e - build_script_build[a493995cbca1c103]::c_headers
[INFO] [stderr]     18:     0x60184542c142 - build_script_build[a493995cbca1c103]::main
[INFO] [stderr]     19:     0x60184542dd73 - <fn() as core[b6b282205303ee1b]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x60184542c016 - std[b9f13bc89bd70ad0]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x60184542c029 - std[b9f13bc89bd70ad0]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x601845996357 - <&dyn core[b6b282205303ee1b]::ops::function::Fn<(), Output = i32> + core[b6b282205303ee1b]::panic::unwind_safe::RefUnwindSafe + core[b6b282205303ee1b]::marker::Sync as core[b6b282205303ee1b]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x601845996357 - std[b9f13bc89bd70ad0]::panicking::catch_unwind::do_call::<&dyn core[b6b282205303ee1b]::ops::function::Fn<(), Output = i32> + core[b6b282205303ee1b]::panic::unwind_safe::RefUnwindSafe + core[b6b282205303ee1b]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:575:43
[INFO] [stderr]     24:     0x601845996357 - std[b9f13bc89bd70ad0]::panicking::catch_unwind::<i32, &dyn core[b6b282205303ee1b]::ops::function::Fn<(), Output = i32> + core[b6b282205303ee1b]::panic::unwind_safe::RefUnwindSafe + core[b6b282205303ee1b]::marker::Sync>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:543:19
[INFO] [stderr]     25:     0x601845996357 - std[b9f13bc89bd70ad0]::panic::catch_unwind::<&dyn core[b6b282205303ee1b]::ops::function::Fn<(), Output = i32> + core[b6b282205303ee1b]::panic::unwind_safe::RefUnwindSafe + core[b6b282205303ee1b]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x601845996357 - std[b9f13bc89bd70ad0]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x601845996357 - std[b9f13bc89bd70ad0]::panicking::catch_unwind::do_call::<std[b9f13bc89bd70ad0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:575:43
[INFO] [stderr]     28:     0x601845996357 - std[b9f13bc89bd70ad0]::panicking::catch_unwind::<isize, std[b9f13bc89bd70ad0]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:543:19
[INFO] [stderr]     29:     0x601845996357 - std[b9f13bc89bd70ad0]::panic::catch_unwind::<std[b9f13bc89bd70ad0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x601845996357 - std[b9f13bc89bd70ad0]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x60184542c001 - std[b9f13bc89bd70ad0]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x60184542e285 - main
[INFO] [stderr]     33:     0x7ed94ba9e1ca - <unknown>
[INFO] [stderr]     34:     0x7ed94ba9e28b - __libc_start_main
[INFO] [stderr]     35:     0x60184542b635 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `nix-bindings-fetchers-sys v0.2.1 (/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/nix-bindings-fetchers-sys-a1ba3f72a729a410/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=include/nix-c-fetchers.h
[INFO] [stderr]   cargo:rustc-link-lib=nixfetchersc
[INFO] [stderr]   cargo:rerun-if-env-changed=NIX_FETCHERS_C_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=NIX_FETCHERS_C_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=NIX_FETCHERS_C_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' (593) panicked at build.rs:18:10:
[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 nix-fetchers-c
[INFO] [stderr] 
[INFO] [stderr]   The system library `nix-fetchers-c` required by crate `nix-bindings-fetchers-sys` was not found.
[INFO] [stderr]   The file `nix-fetchers-c.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 `nix-fetchers-c.pc`.
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x62c75346df38 - std[b9f13bc89bd70ad0]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x62c75346df38 - std[b9f13bc89bd70ad0]::backtrace_rs::backtrace::trace_unsynchronized::<std[b9f13bc89bd70ad0]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x62c75346df38 - std[b9f13bc89bd70ad0]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x62c75346df38 - <<std[b9f13bc89bd70ad0]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[b6b282205303ee1b]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x62c75348382a - <core[b6b282205303ee1b]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x62c75348382a - core[b6b282205303ee1b]::fmt::write
[INFO] [stderr]      6:     0x62c753472e02 - std[b9f13bc89bd70ad0]::io::default_write_fmt::<std[b9f13bc89bd70ad0]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/io/mod.rs:623:11
[INFO] [stderr]      7:     0x62c753472e02 - <std[b9f13bc89bd70ad0]::sys::stdio::unix::Stderr as std[b9f13bc89bd70ad0]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/io/mod.rs:1727:13
[INFO] [stderr]      8:     0x62c75344eb26 - <std[b9f13bc89bd70ad0]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x62c75344eb26 - std[b9f13bc89bd70ad0]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x62c753468581 - std[b9f13bc89bd70ad0]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x62c7534687fb - std[b9f13bc89bd70ad0]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:814:13
[INFO] [stderr]     12:     0x62c75344ebe2 - std[b9f13bc89bd70ad0]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:687:13
[INFO] [stderr]     13:     0x62c7534463c9 - std[b9f13bc89bd70ad0]::sys::backtrace::__rust_end_short_backtrace::<std[b9f13bc89bd70ad0]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x62c75344f54d - __rustc[aae511d917f94152]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:678:5
[INFO] [stderr]     15:     0x62c7534840ac - core[b6b282205303ee1b]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x62c753483e22 - core[b6b282205303ee1b]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/core/src/result.rs:1870:5
[INFO] [stderr]     17:     0x62c752efd4be - build_script_build[8964d6130ea4033f]::main
[INFO] [stderr]     18:     0x62c752eff063 - <fn() as core[b6b282205303ee1b]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x62c752efd266 - std[b9f13bc89bd70ad0]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x62c752efd279 - std[b9f13bc89bd70ad0]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x62c753467647 - <&dyn core[b6b282205303ee1b]::ops::function::Fn<(), Output = i32> + core[b6b282205303ee1b]::panic::unwind_safe::RefUnwindSafe + core[b6b282205303ee1b]::marker::Sync as core[b6b282205303ee1b]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x62c753467647 - std[b9f13bc89bd70ad0]::panicking::catch_unwind::do_call::<&dyn core[b6b282205303ee1b]::ops::function::Fn<(), Output = i32> + core[b6b282205303ee1b]::panic::unwind_safe::RefUnwindSafe + core[b6b282205303ee1b]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:575:43
[INFO] [stderr]     23:     0x62c753467647 - std[b9f13bc89bd70ad0]::panicking::catch_unwind::<i32, &dyn core[b6b282205303ee1b]::ops::function::Fn<(), Output = i32> + core[b6b282205303ee1b]::panic::unwind_safe::RefUnwindSafe + core[b6b282205303ee1b]::marker::Sync>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:543:19
[INFO] [stderr]     24:     0x62c753467647 - std[b9f13bc89bd70ad0]::panic::catch_unwind::<&dyn core[b6b282205303ee1b]::ops::function::Fn<(), Output = i32> + core[b6b282205303ee1b]::panic::unwind_safe::RefUnwindSafe + core[b6b282205303ee1b]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x62c753467647 - std[b9f13bc89bd70ad0]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x62c753467647 - std[b9f13bc89bd70ad0]::panicking::catch_unwind::do_call::<std[b9f13bc89bd70ad0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:575:43
[INFO] [stderr]     27:     0x62c753467647 - std[b9f13bc89bd70ad0]::panicking::catch_unwind::<isize, std[b9f13bc89bd70ad0]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panicking.rs:543:19
[INFO] [stderr]     28:     0x62c753467647 - std[b9f13bc89bd70ad0]::panic::catch_unwind::<std[b9f13bc89bd70ad0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x62c753467647 - std[b9f13bc89bd70ad0]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/ff647322379c48947c196639599067665ff9eb88/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x62c752efd251 - std[b9f13bc89bd70ad0]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x62c752eff575 - main
[INFO] [stderr]     32:     0x750e32e171ca - <unknown>
[INFO] [stderr]     33:     0x750e32e1728b - __libc_start_main
[INFO] [stderr]     34:     0x62c752efc685 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "7d4ebf1ff200172bd9b6b736e2f4fb735abcf38c74e0459be71514a8666477eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4ebf1ff200172bd9b6b736e2f4fb735abcf38c74e0459be71514a8666477eb", kill_on_drop: false }`
[INFO] [stdout] 7d4ebf1ff200172bd9b6b736e2f4fb735abcf38c74e0459be71514a8666477eb
