[INFO] cloning repository https://github.com/pcwalton/cxx-async
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pcwalton/cxx-async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcwalton%2Fcxx-async", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcwalton%2Fcxx-async'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 098fbfc0537719ea6258f3082d8caf2b1b5caf19
[INFO] checking pcwalton/cxx-async against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcwalton%2Fcxx-async" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/pcwalton/cxx-async
[INFO] finished tweaking git repo https://github.com/pcwalton/cxx-async
[INFO] tweaked toml for git repo https://github.com/pcwalton/cxx-async written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pcwalton/cxx-async on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pcwalton/cxx-async 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded link-cplusplus v1.0.9
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.129
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.129
[INFO] [stderr]   Downloaded find-folly v0.1.0
[INFO] [stderr]   Downloaded scratch v1.0.7
[INFO] [stderr]   Downloaded cxx v1.0.129
[INFO] [stderr]   Downloaded cxx-build v1.0.129
[INFO] [stderr]   Downloaded syn v2.0.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6999bf7ae5cf52751302607b79c6f8dc9ec9ffdeade8c7dc05687b9ddb51bd2b
[INFO] running `Command { std: "docker" "start" "-a" "6999bf7ae5cf52751302607b79c6f8dc9ec9ffdeade8c7dc05687b9ddb51bd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6999bf7ae5cf52751302607b79c6f8dc9ec9ffdeade8c7dc05687b9ddb51bd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6999bf7ae5cf52751302607b79c6f8dc9ec9ffdeade8c7dc05687b9ddb51bd2b", kill_on_drop: false }`
[INFO] [stdout] 6999bf7ae5cf52751302607b79c6f8dc9ec9ffdeade8c7dc05687b9ddb51bd2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f85a69ea75c573010e2528c7237c0512aacabb001548152f68eb54ba705cf17d
[INFO] running `Command { std: "docker" "start" "-a" "f85a69ea75c573010e2528c7237c0512aacabb001548152f68eb54ba705cf17d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cc v1.1.31
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.129
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.129
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking cxx-async-macro v0.1.3 (/opt/rustwide/workdir/macro)
[INFO] [stderr]    Compiling cxx-build v1.0.129
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.129
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling find-folly v0.1.0
[INFO] [stderr]    Compiling cxx-async v0.1.3 (/opt/rustwide/workdir/cxx-async)
[INFO] [stderr]    Compiling cxx-async-example-folly v0.1.0 (/opt/rustwide/workdir/examples/folly)
[INFO] [stderr]    Compiling cxx-async-example-cppcoro v0.1.0 (/opt/rustwide/workdir/examples/cppcoro)
[INFO] [stderr] error: failed to run custom build command for `cxx-async-example-folly v0.1.0 (/opt/rustwide/workdir/examples/folly)`
[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/cxx-async-example-folly-6c96c66d3f2c0c79/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=FMT_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' (802) panicked at examples/folly/build.rs:4:43:
[INFO] [stderr]   Couldn't find the Folly library!: FmtDependency(
[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 --static --libs --cflags fmt
[INFO] [stderr] 
[INFO] [stderr]   The system library `fmt` required by crate `cxx-async-example-folly` was not found.
[INFO] [stderr]   The file `fmt.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 `fmt.pc`.
[INFO] [stderr]   )
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x6450ef38caa2 - std::backtrace_rs::backtrace::libunwind::trace::h982c226fb4228175
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x6450ef38caa2 - std::backtrace_rs::backtrace::trace_unsynchronized::h8cc9ffd61ea62d23
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x6450ef38caa2 - std::sys::backtrace::_print_fmt::h4cd5293c5cadcdba
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x6450ef38caa2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he2170ac7a9b7d8e2
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x6450ef3b068f - core::fmt::rt::Argument::fmt::he3e46e602c5238bb
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x6450ef3b068f - core::fmt::write::h08b69b6f6da9dedb
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x6450ef37cad3 - std::io::default_write_fmt::hbaf91e190600da50
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x6450ef37cad3 - std::io::Write::write_fmt::h6c1a272d72aa806a
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x6450ef38c8a2 - std::sys::backtrace::BacktraceLock::print::ha3901afbdca4af34
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x6450ef37971c - std::panicking::default_hook::{{closure}}::h21b46c3ea4063e1b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x6450ef37955f - std::panicking::default_hook::hc9b0213082b48a5b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x6450ef378c85 - std::panicking::panic_with_hook::h2fc74b51da84ab93
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x6450ef38c42a - std::panicking::panic_handler::{{closure}}::hce1829c84eba5126
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x6450ef38c389 - std::sys::backtrace::__rust_end_short_backtrace::h5d12bc139fa5e72b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x6450ef3789fd - __rustc[4e1d0de11a6e25cc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x6450ef3b3790 - core::panicking::panic_fmt::h633d971b6a6af30d
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x6450ef3b4386 - core::result::unwrap_failed::h42f115931b302c13
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/result.rs:1852:5
[INFO] [stderr]     17:     0x6450ef086307 - core::result::Result<T,E>::expect::h84f9170424a222df
[INFO] [stderr]     18:     0x6450ef08681f - build_script_build::main::h4f0dca5798e62c0d
[INFO] [stderr]     19:     0x6450ef086df3 - core::ops::function::FnOnce::call_once::h607bee0e4e3c2f4e
[INFO] [stderr]     20:     0x6450ef086b76 - std::sys::backtrace::__rust_begin_short_backtrace::he8020be0b41db5aa
[INFO] [stderr]     21:     0x6450ef086799 - std::rt::lang_start::{{closure}}::h9a80c43ba356ebed
[INFO] [stderr]     22:     0x6450ef38d340 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6fdf5846d395b249
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     23:     0x6450ef38d340 - std::panicking::catch_unwind::do_call::h9c9fbecc0eb64106
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x6450ef38d340 - std::panicking::catch_unwind::hb949e3b05dcea7f8
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x6450ef38d340 - std::panic::catch_unwind::h597b2e757d3f0617
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x6450ef38d340 - std::rt::lang_start_internal::{{closure}}::h734b73e4ff4afa90
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x6450ef38d340 - std::panicking::catch_unwind::do_call::he1ae9b58298bf5f6
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x6450ef38d340 - std::panicking::catch_unwind::h60545927488899ea
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x6450ef38d340 - std::panic::catch_unwind::hd58020504305ae1d
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x6450ef38d340 - std::rt::lang_start_internal::h2ee79d1be614d639
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x6450ef0867d1 - std::rt::lang_start::h5aa27e68e090ca3b
[INFO] [stderr]     32:     0x6450ef087dd5 - main
[INFO] [stderr]     33:     0x7b86e4b181ca - <unknown>
[INFO] [stderr]     34:     0x7b86e4b1828b - __libc_start_main
[INFO] [stderr]     35:     0x6450ef085425 - _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 `cxx-async-example-cppcoro v0.1.0 (/opt/rustwide/workdir/examples/cppcoro)`
[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/cxx-async-example-cppcoro-84cce73da5c13fb7/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=CPPCORO_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=CPPCORO_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=CPPCORO_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' (801) panicked at examples/cppcoro/build.rs:6:50:
[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 cppcoro
[INFO] [stderr] 
[INFO] [stderr]   The system library `cppcoro` required by crate `cxx-async-example-cppcoro` was not found.
[INFO] [stderr]   The file `cppcoro.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 `cppcoro.pc`.
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d832670ed2 - std::backtrace_rs::backtrace::libunwind::trace::h982c226fb4228175
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x55d832670ed2 - std::backtrace_rs::backtrace::trace_unsynchronized::h8cc9ffd61ea62d23
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x55d832670ed2 - std::sys::backtrace::_print_fmt::h4cd5293c5cadcdba
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x55d832670ed2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he2170ac7a9b7d8e2
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x55d832694abf - core::fmt::rt::Argument::fmt::he3e46e602c5238bb
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x55d832694abf - core::fmt::write::h08b69b6f6da9dedb
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x55d832660f03 - std::io::default_write_fmt::hbaf91e190600da50
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x55d832660f03 - std::io::Write::write_fmt::h6c1a272d72aa806a
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x55d832670cd2 - std::sys::backtrace::BacktraceLock::print::ha3901afbdca4af34
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x55d83265db4c - std::panicking::default_hook::{{closure}}::h21b46c3ea4063e1b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x55d83265d98f - std::panicking::default_hook::hc9b0213082b48a5b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x55d83265d0b5 - std::panicking::panic_with_hook::h2fc74b51da84ab93
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x55d83267085a - std::panicking::panic_handler::{{closure}}::hce1829c84eba5126
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x55d8326707b9 - std::sys::backtrace::__rust_end_short_backtrace::h5d12bc139fa5e72b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x55d83265ce2d - __rustc[4e1d0de11a6e25cc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x55d832697bc0 - core::panicking::panic_fmt::h633d971b6a6af30d
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x55d8326987b6 - core::result::unwrap_failed::h42f115931b302c13
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/result.rs:1852:5
[INFO] [stderr]     17:     0x55d83236ed75 - build_script_build::main::h15160bdda9d168e7
[INFO] [stderr]     18:     0x55d83236f413 - core::ops::function::FnOnce::call_once::h86990a44a0e70902
[INFO] [stderr]     19:     0x55d83236f436 - std::sys::backtrace::__rust_begin_short_backtrace::h1890a7c1f9f23c5f
[INFO] [stderr]     20:     0x55d83236f279 - std::rt::lang_start::{{closure}}::h3390ba91c7df20eb
[INFO] [stderr]     21:     0x55d832671770 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6fdf5846d395b249
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     22:     0x55d832671770 - std::panicking::catch_unwind::do_call::h9c9fbecc0eb64106
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x55d832671770 - std::panicking::catch_unwind::hb949e3b05dcea7f8
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x55d832671770 - std::panic::catch_unwind::h597b2e757d3f0617
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x55d832671770 - std::rt::lang_start_internal::{{closure}}::h734b73e4ff4afa90
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x55d832671770 - std::panicking::catch_unwind::do_call::he1ae9b58298bf5f6
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x55d832671770 - std::panicking::catch_unwind::h60545927488899ea
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x55d832671770 - std::panic::catch_unwind::hd58020504305ae1d
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x55d832671770 - std::rt::lang_start_internal::h2ee79d1be614d639
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x55d83236f2b1 - std::rt::lang_start::hcfcae210d4810573
[INFO] [stderr]     31:     0x55d8323701b5 - main
[INFO] [stderr]     32:     0x7acd483bd1ca - <unknown>
[INFO] [stderr]     33:     0x7acd483bd28b - __libc_start_main
[INFO] [stderr]     34:     0x55d83236d9f5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f85a69ea75c573010e2528c7237c0512aacabb001548152f68eb54ba705cf17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85a69ea75c573010e2528c7237c0512aacabb001548152f68eb54ba705cf17d", kill_on_drop: false }`
[INFO] [stdout] f85a69ea75c573010e2528c7237c0512aacabb001548152f68eb54ba705cf17d