[INFO] cloning repository https://github.com/wrckn/varpack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wrckn/varpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrckn%2Fvarpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrckn%2Fvarpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2aebae675792a136db9d4625c245ffa8212a335d
[INFO] testing wrckn/varpack against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrckn%2Fvarpack" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wrckn/varpack 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] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking git repo https://github.com/wrckn/varpack
[INFO] finished tweaking git repo https://github.com/wrckn/varpack
[INFO] tweaked toml for git repo https://github.com/wrckn/varpack written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/wrckn/varpack 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] db0e621aab53c998594c81f887c0071b472f61ff0a04bb76d88adc7afb5f5821
[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" "db0e621aab53c998594c81f887c0071b472f61ff0a04bb76d88adc7afb5f5821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db0e621aab53c998594c81f887c0071b472f61ff0a04bb76d88adc7afb5f5821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0e621aab53c998594c81f887c0071b472f61ff0a04bb76d88adc7afb5f5821", kill_on_drop: false }`
[INFO] [stdout] db0e621aab53c998594c81f887c0071b472f61ff0a04bb76d88adc7afb5f5821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 35e338634af5887dc06b4183038f6c7351819aa445310e26adb886eca0e00d1c
[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" "35e338634af5887dc06b4183038f6c7351819aa445310e26adb886eca0e00d1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling string-error v0.1.0
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling zstd-sys v1.4.16+zstd.1.4.5
[INFO] [stderr]    Compiling xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stdout] warning: static is never used: `COMMAND`
[INFO] [stdout]   --> xtask/src/tasks/copy_mingw_deps.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | static COMMAND: &'static str = "x86_64-w64-mingw32-ldd target/x86_64-pc-windows-gnu/debug/varpack-gtk.exe | grep 'lib*' | cut -d \"=\" -f 1 | awk '{$1=$1;print}' | xargs -I{} cp /usr/x86_64-w64-mingw32/bin/{} target/x86_64-pc-windows-gnu/debug/";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling pin-project v0.4.19
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling glib v0.9.3
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling zstd-safe v2.0.4+zstd.1.4.5
[INFO] [stderr]    Compiling zstd v0.5.2+zstd.1.4.5
[INFO] [stderr]    Compiling vapor_archive v0.1.0
[INFO] [stderr]    Compiling varpack v0.1.0 (/opt/rustwide/workdir/varpack)
[INFO] [stdout] warning: unused variable: `subcommand`
[INFO] [stdout]   --> varpack/src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let subcommand = app_matches.subcommand_name()
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subcommand`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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-0.8.1/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 -C metadata=4258daa3e35d588e -C extra-filename=-4258daa3e35d588e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-5a4ef00c1f090c00.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-8084424d1e42f909.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-7111f59a9dc01373.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-01c4a18c467f2d9b.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-9585095611e520c1.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-bc623284606f1046.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-1ad61368cd798b85.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-42d1113e91262859.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-8591269cefd7d18a.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-15943c668d1a7321.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-b09b6d43da9ce638.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-419067fa0a8ca720.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-405890819656ea98.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-cb5a6ee520ca4d07.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-0dfe26019a5313ea.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-740d5dd9eff8e0d0.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "35e338634af5887dc06b4183038f6c7351819aa445310e26adb886eca0e00d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e338634af5887dc06b4183038f6c7351819aa445310e26adb886eca0e00d1c", kill_on_drop: false }`
[INFO] [stdout] 35e338634af5887dc06b4183038f6c7351819aa445310e26adb886eca0e00d1c