[INFO] fetching crate libpanel-sys 0.1.0-alpha-1...
[INFO] building libpanel-sys-0.1.0-alpha-1 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate libpanel-sys 0.1.0-alpha-1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libpanel-sys 0.1.0-alpha-1 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libpanel-sys 0.1.0-alpha-1
[INFO] finished tweaking crates.io crate libpanel-sys 0.1.0-alpha-1
[INFO] tweaked toml for crates.io crate libpanel-sys 0.1.0-alpha-1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9077ae846022a0afc9adba2cf65a585405e2c8e03fcf6205ec7e36362dc938dc
[INFO] running `Command { std: "docker" "start" "-a" "9077ae846022a0afc9adba2cf65a585405e2c8e03fcf6205ec7e36362dc938dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9077ae846022a0afc9adba2cf65a585405e2c8e03fcf6205ec7e36362dc938dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9077ae846022a0afc9adba2cf65a585405e2c8e03fcf6205ec7e36362dc938dc", kill_on_drop: false }`
[INFO] [stdout] 9077ae846022a0afc9adba2cf65a585405e2c8e03fcf6205ec7e36362dc938dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe6491760340d0796754127489e90c27e6710df5b7576d6915a386ec6b29c337
[INFO] running `Command { std: "docker" "start" "-a" "fe6491760340d0796754127489e90c27e6710df5b7576d6915a386ec6b29c337", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-expr v0.10.3
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling system-deps v6.0.2
[INFO] [stderr]    Compiling glib-sys v0.15.10
[INFO] [stderr]    Compiling gobject-sys v0.15.10
[INFO] [stderr]    Compiling gio-sys v0.15.10
[INFO] [stderr]    Compiling pango-sys v0.15.10
[INFO] [stderr]    Compiling cairo-sys-rs v0.15.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.15.10
[INFO] [stderr]    Compiling gtk4-sys v0.4.8
[INFO] [stderr]    Compiling gdk4-sys v0.4.8
[INFO] [stderr]    Compiling graphene-sys v0.15.10
[INFO] [stderr]    Compiling gsk4-sys v0.4.8
[INFO] [stderr]    Compiling libadwaita-sys v0.1.0
[INFO] [stderr]    Compiling libpanel-sys v0.1.0-alpha-1 (/opt/rustwide/workdir)
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: `"pkg-config" "--libs" "--cflags" "gtk4" "gtk4 >= 4.0.0"` did not exit successfully: exit status: 1
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `gsk4-sys v0.4.8`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gsk4-sys-9d2c01ae153c8574/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=GTK4_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]   cargo:warning=`"pkg-config" "--libs" "--cflags" "gtk4" "gtk4 >= 4.0.0"` did not exit successfully: exit status: 1
[INFO] [stderr]   error: could not find system library 'gtk4' required by the 'gsk4-sys' crate
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package gtk4 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gtk4.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gtk4' found
[INFO] [stderr]   Package gtk4 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gtk4.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gtk4' found
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fe6491760340d0796754127489e90c27e6710df5b7576d6915a386ec6b29c337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6491760340d0796754127489e90c27e6710df5b7576d6915a386ec6b29c337", kill_on_drop: false }`
[INFO] [stdout] fe6491760340d0796754127489e90c27e6710df5b7576d6915a386ec6b29c337