[INFO] fetching crate gfret 2.1.0...
[INFO] testing gfret-2.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate gfret 2.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate gfret 2.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfret 2.1.0
[INFO] finished tweaking crates.io crate gfret 2.1.0
[INFO] tweaked toml for crates.io crate gfret 2.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate gfret 2.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pango-sys v0.15.1
[INFO] [stderr]   Downloaded system-deps v6.0.0
[INFO] [stderr]   Downloaded gdk4-sys v0.4.2
[INFO] [stderr]   Downloaded glib-sys v0.15.1
[INFO] [stderr]   Downloaded cairo-rs v0.15.1
[INFO] [stderr]   Downloaded graphene-rs v0.15.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.15.1
[INFO] [stderr]   Downloaded gsk4-sys v0.4.2
[INFO] [stderr]   Downloaded glib-macros v0.15.1
[INFO] [stderr]   Downloaded fretboard_layout v0.3.1
[INFO] [stderr]   Downloaded gtk4-macros v0.4.3
[INFO] [stderr]   Downloaded gio-sys v0.15.1
[INFO] [stderr]   Downloaded gio v0.15.2
[INFO] [stderr]   Downloaded gsk4 v0.4.4
[INFO] [stderr]   Downloaded rgba_simple v0.5.0
[INFO] [stderr]   Downloaded glib v0.15.2
[INFO] [stderr]   Downloaded gtk4-sys v0.4.2
[INFO] [stderr]   Downloaded gtk4 v0.4.4
[INFO] [stderr]   Downloaded cairo-sys-rs v0.15.1
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.15.1
[INFO] [stderr]   Downloaded pango v0.15.2
[INFO] [stderr]   Downloaded svg v0.10.0
[INFO] [stderr]   Downloaded gobject-sys v0.15.1
[INFO] [stderr]   Downloaded cfg-expr v0.9.0
[INFO] [stderr]   Downloaded graphene-sys v0.15.1
[INFO] [stderr]   Downloaded gdk4 v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a582dae2f5c84e209b66bded93e792e3bbba52ebd4440f01d11cbbdd667cd111
[INFO] running `Command { std: "docker" "start" "-a" "a582dae2f5c84e209b66bded93e792e3bbba52ebd4440f01d11cbbdd667cd111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a582dae2f5c84e209b66bded93e792e3bbba52ebd4440f01d11cbbdd667cd111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a582dae2f5c84e209b66bded93e792e3bbba52ebd4440f01d11cbbdd667cd111", kill_on_drop: false }`
[INFO] [stdout] a582dae2f5c84e209b66bded93e792e3bbba52ebd4440f01d11cbbdd667cd111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 280412e2486d2f9e1faefbb942abbb2916d3a9c5dadc9f1834469811919eab45
[INFO] running `Command { std: "docker" "start" "-a" "280412e2486d2f9e1faefbb942abbb2916d3a9c5dadc9f1834469811919eab45", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling gio v0.15.2
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling svg v0.10.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clap v3.0.12
[INFO] [stderr]    Compiling cfg-expr v0.9.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling system-deps v6.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling glib-sys v0.15.1
[INFO] [stderr]    Compiling gobject-sys v0.15.1
[INFO] [stderr]    Compiling gio-sys v0.15.1
[INFO] [stderr]    Compiling pango-sys v0.15.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.15.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.15.1
[INFO] [stderr]    Compiling gdk4-sys v0.4.2
[INFO] [stderr]    Compiling graphene-sys v0.15.1
[INFO] [stderr]    Compiling gsk4-sys v0.4.2
[INFO] [stderr]    Compiling gtk4-sys v0.4.2
[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 v0.4.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gsk4-sys-6f05821e866ab67e/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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "280412e2486d2f9e1faefbb942abbb2916d3a9c5dadc9f1834469811919eab45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280412e2486d2f9e1faefbb942abbb2916d3a9c5dadc9f1834469811919eab45", kill_on_drop: false }`
[INFO] [stdout] 280412e2486d2f9e1faefbb942abbb2916d3a9c5dadc9f1834469811919eab45