[INFO] cloning repository https://github.com/maralorn/tasktree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maralorn/tasktree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaralorn%2Ftasktree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaralorn%2Ftasktree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2a33893ca1cb8a04b6088d916016668fd87a975
[INFO] testing maralorn/tasktree against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaralorn%2Ftasktree" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maralorn/tasktree on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maralorn/tasktree
[INFO] finished tweaking git repo https://github.com/maralorn/tasktree
[INFO] tweaked toml for git repo https://github.com/maralorn/tasktree written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/maralorn/tasktree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1135e9f5b493d1da6fcdf8413115c8672acb888d4dfeb856c97fe3eeee709b87
[INFO] running `Command { std: "docker" "start" "-a" "1135e9f5b493d1da6fcdf8413115c8672acb888d4dfeb856c97fe3eeee709b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1135e9f5b493d1da6fcdf8413115c8672acb888d4dfeb856c97fe3eeee709b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1135e9f5b493d1da6fcdf8413115c8672acb888d4dfeb856c97fe3eeee709b87", kill_on_drop: false }`
[INFO] [stdout] 1135e9f5b493d1da6fcdf8413115c8672acb888d4dfeb856c97fe3eeee709b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28ba9dbfc6fa295e7873d2f4e91385c203ad1e95c7456f09927f060626273164
[INFO] running `Command { std: "docker" "start" "-a" "28ba9dbfc6fa295e7873d2f4e91385c203ad1e95c7456f09927f060626273164", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling glib v0.8.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling task-hookrs v0.3.0
[INFO] [stderr] error: could not compile `gtk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gtk /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gtk-0.7.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="v3_16"' --cfg 'feature="v3_18"' -C metadata=da8eeefc19ed2c49 -C extra-filename=-da8eeefc19ed2c49 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-d8b90dd57dd59228.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6063cd2c96572b53.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-6e7eb20a50ac83a1.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-d0570cf76902e745.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-2a916483277dc6d4.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-0eedcb1934da67a4.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-363db02a7077d60e.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-02dbd929ec0abd18.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-01bdf2fdfe9efb1d.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-c3b074061b30787b.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-40e10c24cafec1ec.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-6067780bb5b33ef2.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-6dccd6944483a3df.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-24d2128847a35e1f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-cb0458f000921a11.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-2a654fb2ced4792b.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-2e72aae58e16575e.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "28ba9dbfc6fa295e7873d2f4e91385c203ad1e95c7456f09927f060626273164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ba9dbfc6fa295e7873d2f4e91385c203ad1e95c7456f09927f060626273164", kill_on_drop: false }`
[INFO] [stdout] 28ba9dbfc6fa295e7873d2f4e91385c203ad1e95c7456f09927f060626273164