[INFO] fetching crate systemicons 0.4.0...
[INFO] testing systemicons-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate systemicons 0.4.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate systemicons 0.4.0 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 crates.io crate systemicons 0.4.0
[INFO] finished tweaking crates.io crate systemicons 0.4.0
[INFO] tweaked toml for crates.io crate systemicons 0.4.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate systemicons 0.4.0 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 pango-sys v0.14.0
[INFO] [stderr]   Downloaded glib-sys v0.14.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.14.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.14.0
[INFO] [stderr]   Downloaded gio-sys v0.14.0
[INFO] [stderr]   Downloaded gtk3-macros v0.14.0
[INFO] [stderr]   Downloaded glib-macros v0.14.1
[INFO] [stderr]   Downloaded atk v0.14.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.14.0
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded mio-misc v1.0.1
[INFO] [stderr]   Downloaded gtk-sys v0.14.0
[INFO] [stderr]   Downloaded pango v0.14.0
[INFO] [stderr]   Downloaded gtk v0.14.0
[INFO] [stderr]   Downloaded gdk v0.14.0
[INFO] [stderr]   Downloaded cairo-rs v0.14.1
[INFO] [stderr]   Downloaded gio v0.14.0
[INFO] [stderr]   Downloaded glib v0.14.2
[INFO] [stderr]   Downloaded atk-sys v0.14.0
[INFO] [stderr]   Downloaded gdk-sys v0.14.0
[INFO] [stderr]   Downloaded gobject-sys v0.14.0
[INFO] [stderr]   Downloaded cfg-expr v0.7.4
[INFO] [stderr]   Downloaded version-compare v0.0.11
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded system-deps v3.1.2
[INFO] [stderr]   Downloaded hyper v0.14.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] ba34261b81346902b827afcb6127213d8ff848859d047cfdf1e345d5e8ff4124
[INFO] running `Command { std: "docker" "start" "-a" "ba34261b81346902b827afcb6127213d8ff848859d047cfdf1e345d5e8ff4124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba34261b81346902b827afcb6127213d8ff848859d047cfdf1e345d5e8ff4124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba34261b81346902b827afcb6127213d8ff848859d047cfdf1e345d5e8ff4124", kill_on_drop: false }`
[INFO] [stdout] ba34261b81346902b827afcb6127213d8ff848859d047cfdf1e345d5e8ff4124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 07337a1174392ea905d3d32d05704589da8bf32a1a2eba00f048c498300fb9f5
[INFO] running `Command { std: "docker" "start" "-a" "07337a1174392ea905d3d32d05704589da8bf32a1a2eba00f048c498300fb9f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling gio v0.14.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling cfg-expr v0.7.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling gtk v0.14.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling system-deps v3.1.2
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling glib-macros v0.14.1
[INFO] [stderr]    Compiling gtk3-macros v0.14.0
[INFO] [stderr]    Compiling glib-sys v0.14.0
[INFO] [stderr]    Compiling gobject-sys v0.14.0
[INFO] [stderr]    Compiling gio-sys v0.14.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.14.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.0
[INFO] [stderr]    Compiling pango-sys v0.14.0
[INFO] [stderr]    Compiling atk-sys v0.14.0
[INFO] [stderr]    Compiling gdk-sys v0.14.0
[INFO] [stderr]    Compiling gtk-sys v0.14.0
[INFO] [stderr]    Compiling glib v0.14.2
[INFO] [stderr]    Compiling cairo-rs v0.14.1
[INFO] [stderr]    Compiling pango v0.14.0
[INFO] [stderr]    Compiling atk v0.14.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.14.0
[INFO] [stderr]    Compiling gdk v0.14.0
[INFO] [stderr]    Compiling systemicons v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `gtk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gtk --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gtk-0.14.0/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 -C metadata=38faf561a31d5036 -C extra-filename=-38faf561a31d5036 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-3bfaaf51932e32af.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-2fda66bf93c7b09f.rmeta --extern field_offset=/opt/rustwide/target/debug/deps/libfield_offset-ae29f7b34d1a1010.rmeta --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-efa3a77aeb2a11d4.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-27d36d7bc8997cbb.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-b51fe232479a98dc.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-71ec9dee6bd2fb68.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-3d4b2c70a4c5b1e2.rmeta --extern ffi=/opt/rustwide/target/debug/deps/libgtk_sys-10bc8e5f75223641.rmeta --extern gtk3_macros=/opt/rustwide/target/debug/deps/libgtk3_macros-b6917a52784a4c84.so --extern libc=/opt/rustwide/target/debug/deps/liblibc-cb41864e85e35c76.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-c75b5e85f253ab30.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-e02c3ded70441740.rmeta --cap-lints allow --cap-lints=warn --cfg 'gdk_backend="x11"' --cfg 'gdk_backend="broadway"' --cfg 'gdk_backend="wayland"'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "07337a1174392ea905d3d32d05704589da8bf32a1a2eba00f048c498300fb9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07337a1174392ea905d3d32d05704589da8bf32a1a2eba00f048c498300fb9f5", kill_on_drop: false }`
[INFO] [stdout] 07337a1174392ea905d3d32d05704589da8bf32a1a2eba00f048c498300fb9f5