[INFO] crate astrup 0.0.9 is already in cache
[INFO] extracting crate astrup 0.0.9 into work/ex/beta-1.38-1/sources/1.37.0/reg/astrup/0.0.9
[INFO] extracting crate astrup 0.0.9 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/astrup/0.0.9
[INFO] validating manifest of astrup-0.0.9 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of astrup-0.0.9 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing astrup-0.0.9
[INFO] finished frobbing astrup-0.0.9
[INFO] frobbed toml for astrup-0.0.9 written to work/ex/beta-1.38-1/sources/1.37.0/reg/astrup/0.0.9/Cargo.toml
[INFO] started frobbing astrup-0.0.9
[INFO] finished frobbing astrup-0.0.9
[INFO] frobbed toml for astrup-0.0.9 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/astrup/0.0.9/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing astrup-0.0.9 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/astrup/0.0.9:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f9bc1257ffa4d120ad10437b035a4e025f508188a453dba561971fad9a03459a
[INFO] running `"docker" "start" "-a" "f9bc1257ffa4d120ad10437b035a4e025f508188a453dba561971fad9a03459a"`
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling gio v0.3.0
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling gdk v0.7.0
[INFO] [stderr]    Compiling gtk v0.3.0
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gio-sys v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling pango-sys v0.5.0
[INFO] [stderr]    Compiling atk-sys v0.5.0
[INFO] [stderr]    Compiling gdk-sys v0.5.0
[INFO] [stderr]    Compiling gtk-sys v0.5.0
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]    Compiling glib v0.4.1
[INFO] [stderr]    Compiling pango v0.3.0
[INFO] [stderr]    Compiling astrup v0.0.9 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/view.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |         Ok((self))
[INFO] [stderr]    |            ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/figure.rs:156:12
[INFO] [stderr]     |
[INFO] [stderr] 156 |         Ok((self))
[INFO] [stderr]     |            ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gtk-0.3.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=4f797a64e195ea66 -C extra-filename=-4f797a64e195ea66 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bitflags=/opt/crater/target/debug/deps/libbitflags-c2b055ef483e7b37.rmeta --extern cairo=/opt/crater/target/debug/deps/libcairo-251ea3d3959971de.rmeta --extern cairo_sys=/opt/crater/target/debug/deps/libcairo_sys-c1585d7d11ad99fe.rmeta --extern gdk=/opt/crater/target/debug/deps/libgdk-be9aa2f1d544cb48.rmeta --extern gdk_pixbuf=/opt/crater/target/debug/deps/libgdk_pixbuf-0a4d329ab1fa975c.rmeta --extern gdk_pixbuf_sys=/opt/crater/target/debug/deps/libgdk_pixbuf_sys-eaa3a125f780c8aa.rmeta --extern gdk_sys=/opt/crater/target/debug/deps/libgdk_sys-0f783b2262616b8d.rmeta --extern gio=/opt/crater/target/debug/deps/libgio-261ce08d9dc52139.rmeta --extern gio_sys=/opt/crater/target/debug/deps/libgio_sys-ec8a230296151148.rmeta --extern glib=/opt/crater/target/debug/deps/libglib-6278be6cb69dad32.rmeta --extern glib_sys=/opt/crater/target/debug/deps/libglib_sys-6ac11f2dda88b4e6.rmeta --extern gobject_sys=/opt/crater/target/debug/deps/libgobject_sys-75ddc3d790e30a8b.rmeta --extern gtk_sys=/opt/crater/target/debug/deps/libgtk_sys-d9d904cc4c41be28.rmeta --extern libc=/opt/crater/target/debug/deps/liblibc-37f3d1c853b3b7bd.rmeta --extern pango=/opt/crater/target/debug/deps/libpango-e9e7100760720f9f.rmeta --cap-lints allow --cap-lints=warn -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "f9bc1257ffa4d120ad10437b035a4e025f508188a453dba561971fad9a03459a"`
[INFO] running `"docker" "rm" "-f" "f9bc1257ffa4d120ad10437b035a4e025f508188a453dba561971fad9a03459a"`
[INFO] [stdout] f9bc1257ffa4d120ad10437b035a4e025f508188a453dba561971fad9a03459a