[INFO] fetching crate webview_official 0.2.0...
[INFO] testing webview_official-0.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate webview_official 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate webview_official 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate webview_official 0.2.0
[INFO] tweaked toml for crates.io crate webview_official 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate webview_official 0.2.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate webview_official 0.2.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded webview-official-sys v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c5c0fee2ceb25c024a2959532350cd835bc34634341ec274e9e1f909ddcfb95d
[INFO] running `Command { std: "docker" "start" "c5c0fee2ceb25c024a2959532350cd835bc34634341ec274e9e1f909ddcfb95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5c0fee2ceb25c024a2959532350cd835bc34634341ec274e9e1f909ddcfb95d", 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" "c5c0fee2ceb25c024a2959532350cd835bc34634341ec274e9e1f909ddcfb95d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5c0fee2ceb25c024a2959532350cd835bc34634341ec274e9e1f909ddcfb95d", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c5c0fee2ceb25c024a2959532350cd835bc34634341ec274e9e1f909ddcfb95d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling webview-official-sys v0.1.2
[INFO] [stderr] error: failed to run custom build command for `webview-official-sys v0.1.2`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_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/release/build/webview-official-sys-7af7eb25f56ffa74/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=WEBKIT2GTK_4.0_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=WEBKIT2GTK_4.0_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=WEBKIT2GTK_4.0_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' (99) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/webview-official-sys-0.1.2/build.rs:77:14:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Failure { command: "PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=\"1\" PKG_CONFIG_ALLOW_SYSTEM_LIBS=\"1\" \"pkg-config\" \"--libs\" \"--cflags\" \"webkit2gtk-4.0\" \"webkit2gtk-4.0 >= 2.8\"", output: Output { status: ExitStatus(unix_wait_status(256)), stdout: "", stderr: "Package webkit2gtk-4.0 was not found in the pkg-config search path.\nPerhaps you should add the directory containing `webkit2gtk-4.0.pc'\nto the PKG_CONFIG_PATH environment variable\nPackage 'webkit2gtk-4.0' not found\nPackage 'webkit2gtk-4.0' not found\n" } }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x6322ef0bff01 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x6322ef0d435a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x6322ef0c612c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x6322ef09da06 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x6322ef0b9ff1 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x6322ef0ba1ab - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x6322ef09dab2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x6322ef096679 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x6322ef09e3bd - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x6322ef0d4acc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x6322ef0d48a2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stderr]     11:     0x6322ef03760d - build_script_build[9bf9c9e1306efd9b]::main
[INFO] [stderr]     12:     0x6322ef0389b3 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     13:     0x6322ef03707e - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     14:     0x6322ef037089 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     15:     0x6322ef0b93b9 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     16:     0x6322ef037071 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     17:     0x6322ef0389f5 - main
[INFO] [stderr]     18:     0x7a6915c72601 - <unknown>
[INFO] [stderr]     19:     0x7a6915c72718 - __libc_start_main
[INFO] [stderr]     20:     0x6322ef036d45 - _start
[INFO] [stderr]     21:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c5c0fee2ceb25c024a2959532350cd835bc34634341ec274e9e1f909ddcfb95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c0fee2ceb25c024a2959532350cd835bc34634341ec274e9e1f909ddcfb95d", kill_on_drop: false }`
[INFO] [stdout] c5c0fee2ceb25c024a2959532350cd835bc34634341ec274e9e1f909ddcfb95d
