[INFO] cloning repository https://github.com/iPTF14hls/mandelbrot-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iPTF14hls/mandelbrot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPTF14hls%2Fmandelbrot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPTF14hls%2Fmandelbrot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afc54b9bd2856512f4efd4fc45e539b37e6d93ae
[INFO] testing iPTF14hls/mandelbrot-rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPTF14hls%2Fmandelbrot-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iPTF14hls/mandelbrot-rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iPTF14hls/mandelbrot-rs
[INFO] finished tweaking git repo https://github.com/iPTF14hls/mandelbrot-rs
[INFO] tweaked toml for git repo https://github.com/iPTF14hls/mandelbrot-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/iPTF14hls/mandelbrot-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded relm-derive-common v0.16.0
[INFO] [stderr]   Downloaded num-bigint v0.2.2
[INFO] [stderr]   Downloaded relm-gen-widget v0.16.0
[INFO] [stderr]   Downloaded relm-derive v0.16.0
[INFO] [stderr]   Downloaded relm v0.16.0
[INFO] [stderr]   Downloaded relm-state v0.16.0
[INFO] [stderr]   Downloaded image v0.22.1
[INFO] [stderr]   Downloaded x11 v2.18.1
[INFO] [stderr]   Downloaded relm-core v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] ea24b350b2cddca090b7b3bdd914e1476ce34e5627f7edb6c3d3086fff987f47
[INFO] running `Command { std: "docker" "start" "-a" "ea24b350b2cddca090b7b3bdd914e1476ce34e5627f7edb6c3d3086fff987f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea24b350b2cddca090b7b3bdd914e1476ce34e5627f7edb6c3d3086fff987f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea24b350b2cddca090b7b3bdd914e1476ce34e5627f7edb6c3d3086fff987f47", kill_on_drop: false }`
[INFO] [stdout] ea24b350b2cddca090b7b3bdd914e1476ce34e5627f7edb6c3d3086fff987f47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a65321fd05db78bcc3a153c41d412432e1c9da75cf86efda10c43ac9b7fc1d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a65321fd05db78bcc3a153c41d412432e1c9da75cf86efda10c43ac9b7fc1d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling gio v0.6.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling pango v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.6.0
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling atk v0.6.0
[INFO] [stderr]    Compiling gdk v0.10.0
[INFO] [stderr]    Compiling gtk v0.6.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling gio-sys v0.8.0
[INFO] [stderr]    Compiling pango-sys v0.8.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.8.0
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling gdk-sys v0.8.0
[INFO] [stderr]    Compiling atk-sys v0.8.0
[INFO] [stderr]    Compiling gtk-sys v0.8.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling glib v0.7.1
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling relm-gen-widget v0.16.0
[INFO] [stderr]    Compiling relm-derive-common v0.16.0
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling relm-derive v0.16.0
[INFO] [stderr]    Compiling relm-core v0.16.0
[INFO] [stderr]    Compiling relm-state v0.16.0
[INFO] [stderr]    Compiling relm v0.16.0
[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-0.6.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="dox"' --cfg 'feature="v3_16"' --cfg 'feature="v3_18"' --cfg 'feature="v3_20"' -C metadata=edbde74c7968a6c3 -C extra-filename=-edbde74c7968a6c3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-734809517f842837.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-b1e820d41a28c6d6.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-5c04d4dd525bfd35.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-77182e6b832e1dcf.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-ad81453065f7fafc.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-4555c534a9d73118.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-e11e3fec059d58b4.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-8c3e8090888d02be.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-74972d366998ad91.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-896d6e678ee33350.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-37d6ce527ce8cdda.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-082bef0ab609ec2a.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-718d534ac60c93e7.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-58ac312856fd12b1.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-deaeff8e79132040.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-3a275aa39e4cb3e7.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-0db57a3676e81d21.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-0b40740ff5e1cfbe.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2a65321fd05db78bcc3a153c41d412432e1c9da75cf86efda10c43ac9b7fc1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a65321fd05db78bcc3a153c41d412432e1c9da75cf86efda10c43ac9b7fc1d7", kill_on_drop: false }`
[INFO] [stdout] 2a65321fd05db78bcc3a153c41d412432e1c9da75cf86efda10c43ac9b7fc1d7