[INFO] cloning repository https://github.com/0xfalafel/stack_switcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xfalafel/stack_switcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xfalafel%2Fstack_switcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xfalafel%2Fstack_switcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae2b4eb7a5bb3d1126f38c31e04eaf8305cf6023
[INFO] building 0xfalafel/stack_switcher against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xfalafel%2Fstack_switcher" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xfalafel/stack_switcher on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0xfalafel/stack_switcher
[INFO] finished tweaking git repo https://github.com/0xfalafel/stack_switcher
[INFO] tweaked toml for git repo https://github.com/0xfalafel/stack_switcher written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0xfalafel/stack_switcher 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0c5c0aa75c7e809c3238dc18aefd8c766e727351e2a4277241706ec51948fef
[INFO] running `Command { std: "docker" "start" "-a" "c0c5c0aa75c7e809c3238dc18aefd8c766e727351e2a4277241706ec51948fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0c5c0aa75c7e809c3238dc18aefd8c766e727351e2a4277241706ec51948fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c5c0aa75c7e809c3238dc18aefd8c766e727351e2a4277241706ec51948fef", kill_on_drop: false }`
[INFO] [stdout] c0c5c0aa75c7e809c3238dc18aefd8c766e727351e2a4277241706ec51948fef
[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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc518841df70fbf75d76778a4cbcedafa06ea8c4caab656fafcc81e90db3426b
[INFO] running `Command { std: "docker" "start" "-a" "bc518841df70fbf75d76778a4cbcedafa06ea8c4caab656fafcc81e90db3426b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling gio v0.20.9
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling relm4-css v0.9.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling fragile v2.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling cfg-expr v0.17.2
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling relm4-macros v0.9.1
[INFO] [stderr]    Compiling tracker-macros v0.2.2
[INFO] [stderr]    Compiling tracker v0.2.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling glib-macros v0.20.7
[INFO] [stderr]    Compiling gtk4-macros v0.9.5
[INFO] [stderr]    Compiling system-deps v7.0.3
[INFO] [stderr]    Compiling glib-sys v0.20.9
[INFO] [stderr]    Compiling gobject-sys v0.20.9
[INFO] [stderr]    Compiling gio-sys v0.20.9
[INFO] [stderr]    Compiling cairo-sys-rs v0.20.7
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.20.7
[INFO] [stderr]    Compiling pango-sys v0.20.9
[INFO] [stderr]    Compiling gdk4-sys v0.9.6
[INFO] [stderr]    Compiling graphene-sys v0.20.7
[INFO] [stderr]    Compiling gsk4-sys v0.9.6
[INFO] [stderr]    Compiling gtk4-sys v0.9.6
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling glib v0.20.9
[INFO] [stderr]    Compiling cairo-rs v0.20.7
[INFO] [stderr]    Compiling graphene-rs v0.20.9
[INFO] [stderr]    Compiling gdk-pixbuf v0.20.9
[INFO] [stderr]    Compiling pango v0.20.9
[INFO] [stderr]    Compiling gdk4 v0.9.6
[INFO] [stderr]    Compiling gsk4 v0.9.6
[INFO] [stderr]    Compiling gtk4 v0.9.6
[INFO] [stderr]    Compiling relm4 v0.9.1
[INFO] [stderr] error: could not compile `gtk4` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/44f415c1d617ebc7b931a243b7b321ef8a6ca47c/bin/rustc --crate-name gtk4 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gtk4-0.9.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="gnome_42"' --cfg 'feature="v4_2"' --cfg 'feature="v4_4"' --cfg 'feature="v4_6"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("blueprint", "gio_v2_80", "gnome_42", "gnome_43", "gnome_44", "gnome_45", "gnome_46", "gnome_47", "unsafe-assume-initialized", "v4_10", "v4_12", "v4_14", "v4_16", "v4_18", "v4_2", "v4_4", "v4_6", "v4_8", "xml_validation"))' -C metadata=e34b7ab43bdaaa81 -C extra-filename=-68e99ca19578732a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cairo=/opt/rustwide/target/debug/deps/libcairo-a2783fda07edcbb2.rmeta --extern field_offset=/opt/rustwide/target/debug/deps/libfield_offset-4637f6075246705e.rmeta --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-2c228964a77061cb.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-76b29c7a0c1bbd95.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk4-7a1d7ceb7ab55e45.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-e31d528546b05e64.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-0f130cd316e59fbb.rmeta --extern graphene=/opt/rustwide/target/debug/deps/libgraphene-2d8dc707db412386.rmeta --extern gsk=/opt/rustwide/target/debug/deps/libgsk4-5a8331aadd584fd3.rmeta --extern gtk4_macros=/opt/rustwide/target/debug/deps/libgtk4_macros-2204b903a985b7df.so --extern gtk4_sys=/opt/rustwide/target/debug/deps/libgtk4_sys-cb09026db75b9cda.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-600a01c362a06a0a.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-d43e97d1d38e6436.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bc518841df70fbf75d76778a4cbcedafa06ea8c4caab656fafcc81e90db3426b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc518841df70fbf75d76778a4cbcedafa06ea8c4caab656fafcc81e90db3426b", kill_on_drop: false }`
[INFO] [stdout] bc518841df70fbf75d76778a4cbcedafa06ea8c4caab656fafcc81e90db3426b