[INFO] cloning repository https://github.com/museun/viewers-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/museun/viewers-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fviewers-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fviewers-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1994bba81805161b6821397b5ea03d3716482ec
[INFO] testing museun/viewers-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fviewers-rs" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/viewers-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/museun/viewers-rs
[INFO] finished tweaking git repo https://github.com/museun/viewers-rs
[INFO] tweaked toml for git repo https://github.com/museun/viewers-rs written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/museun/viewers-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded attohttpc v0.4.5
[INFO] [stderr]   Downloaded cairo-sys-rs v0.9.0
[INFO] [stderr]   Downloaded atk-sys v0.9.0
[INFO] [stderr]   Downloaded atk v0.7.0
[INFO] [stderr]   Downloaded flexi_logger v0.14.4
[INFO] [stderr]   Downloaded pango v0.7.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.7.0
[INFO] [stderr]   Downloaded pango-sys v0.9.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.9.0
[INFO] [stderr]   Downloaded gobject-sys v0.9.0
[INFO] [stderr]   Downloaded cairo-rs v0.7.1
[INFO] [stderr]   Downloaded glib-sys v0.9.0
[INFO] [stderr]   Downloaded gio-sys v0.9.0
[INFO] [stderr]   Downloaded glib v0.8.2
[INFO] [stderr]   Downloaded gdk-sys v0.9.0
[INFO] [stderr]   Downloaded gdk v0.11.0
[INFO] [stderr]   Downloaded gtk-sys v0.9.0
[INFO] [stderr]   Downloaded gio v0.7.0
[INFO] [stderr]   Downloaded gtk v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20b6d35c1a4ec996d37254dee3908d848ee29617cb57e9eafdafb418627148e0
[INFO] running `Command { std: "docker" "start" "-a" "20b6d35c1a4ec996d37254dee3908d848ee29617cb57e9eafdafb418627148e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b6d35c1a4ec996d37254dee3908d848ee29617cb57e9eafdafb418627148e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b6d35c1a4ec996d37254dee3908d848ee29617cb57e9eafdafb418627148e0", kill_on_drop: false }`
[INFO] [stdout] 20b6d35c1a4ec996d37254dee3908d848ee29617cb57e9eafdafb418627148e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56176603f7809a29ec509328cc95fcb5ff423b0dac051d9af18dc441512f6d75
[INFO] running `Command { std: "docker" "start" "-a" "56176603f7809a29ec509328cc95fcb5ff423b0dac051d9af18dc441512f6d75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling pico-args v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[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 gdk-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling viewers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling http v0.1.19
[INFO] [stderr]    Compiling glib v0.8.2
[INFO] [stderr]    Compiling flexi_logger v0.14.4
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling attohttpc v0.4.5
[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,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="v3_16"' --cfg 'feature="v3_18"' --cfg 'feature="v3_20"' --cfg 'feature="v3_22"' --cfg 'feature="v3_22_20"' --cfg 'feature="v3_22_26"' --cfg 'feature="v3_22_27"' --cfg 'feature="v3_22_29"' --cfg 'feature="v3_22_30"' --cfg 'feature="v3_24"' -C metadata=19e33e2f0c79592e -C extra-filename=-19e33e2f0c79592e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-45f0a42e405b83f5.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-2f3f224d3d8916a1.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-d75e559922234699.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-68d31689d77cec77.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-4680adc21f4e0611.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-f91719b714ffa1a2.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-c344eca4f9b2484c.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-c7fec4ace255d75c.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-5e30a6a0066c2a6c.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-e26c5b37f8009747.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-de3b6c229f9fa608.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-9f3e48f54bc9d26c.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-c890cda3fdbef781.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-682a28d7d243d015.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-83d9e82c679efcaf.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-d168b65b0a66ea3e.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "56176603f7809a29ec509328cc95fcb5ff423b0dac051d9af18dc441512f6d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56176603f7809a29ec509328cc95fcb5ff423b0dac051d9af18dc441512f6d75", kill_on_drop: false }`
[INFO] [stdout] 56176603f7809a29ec509328cc95fcb5ff423b0dac051d9af18dc441512f6d75