[INFO] updating cached repository n0name/fem_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/n0name/fem_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/n0name/fem_test" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/n0name/fem_test"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/n0name/fem_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/n0name/fem_test" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/n0name/fem_test"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/n0name/fem_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 472438d9cd8a374e6d25fc4a8bce9268de86bb38
[INFO] sha for GitHub repo n0name/fem_test: 472438d9cd8a374e6d25fc4a8bce9268de86bb38
[INFO] validating manifest of n0name/fem_test on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of n0name/fem_test on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing n0name/fem_test
[INFO] finished frobbing n0name/fem_test
[INFO] frobbed toml for n0name/fem_test written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/n0name/fem_test/Cargo.toml
[INFO] started frobbing n0name/fem_test
[INFO] finished frobbing n0name/fem_test
[INFO] frobbed toml for n0name/fem_test written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/n0name/fem_test/Cargo.toml
[INFO] crate n0name/fem_test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking n0name/fem_test against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/n0name/fem_test:/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=forbid" "-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" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8ceaa2751e5adb3b0e453405002a3deb1ec34ec9457f0aa1a8da1fd4a332768a
[INFO] running `"docker" "start" "-a" "8ceaa2751e5adb3b0e453405002a3deb1ec34ec9457f0aa1a8da1fd4a332768a"`
[INFO] [stderr]    Compiling wayland-scanner v0.21.4
[INFO] [stderr]    Compiling xml-rs v0.4.1
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking wayland-sys v0.21.4
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking wayland-commons v0.21.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]    Compiling wayland-client v0.21.4
[INFO] [stderr]    Compiling wayland-protocols v0.21.4
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling xmltree v0.4.0
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]    Compiling dxf v0.3.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr] error: failed to run custom build command for `dxf v0.3.0`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/dxf-d2ee711a6953c8cb/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:347:21
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x563c92291cc3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h175c35bedfe324eb
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x563c9228da8b - std::sys_common::backtrace::_print::h01694821edef617a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x563c92290b36 - std::panicking::default_hook::{{closure}}::h62cbe23db3262ad8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x563c922908c9 - std::panicking::default_hook::h917594e1ea7adc3f
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x563c9229118f - std::panicking::rust_panic_with_hook::h1fb2ce490ccdf024
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x563c92290d11 - std::panicking::continue_panic_fmt::hb6bb79da952ec340
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x563c92290bf5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x563c922a1f0c - core::panicking::panic_fmt::h0f9d7e1fa9fb22bf
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x563c922a1e4b - core::panicking::panic::he1121e3b31ddafad
[INFO] [stderr]                                at src/libcore/panicking.rs:49
[INFO] [stderr]    9:     0x563c921fb3bb - core::option::Option<T>::unwrap::h0d408ac70d9e4966
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libcore/macros.rs:12
[INFO] [stderr]   10:     0x563c921f881f - build_script_build::main::h77835ea74fe916ae
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dxf-0.3.0/build/build.rs:19
[INFO] [stderr]   11:     0x563c921efc8f - std::rt::lang_start::{{closure}}::he3605918e2ce7e56
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x563c92290be2 - std::panicking::try::do_call::h60d8cccf379053fe
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x563c922934a9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x563c9229169c - std::rt::lang_start_internal::h629f5b3976019ae3
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x563c921efc68 - std::rt::lang_start::h9cfa5dcfbd9c0787
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x563c921f90c9 - main
[INFO] [stderr]   17:     0x7f4854c272e0 - __libc_start_main
[INFO] [stderr]   18:     0x563c921d1d19 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8ceaa2751e5adb3b0e453405002a3deb1ec34ec9457f0aa1a8da1fd4a332768a"`
[INFO] running `"docker" "rm" "-f" "8ceaa2751e5adb3b0e453405002a3deb1ec34ec9457f0aa1a8da1fd4a332768a"`
[INFO] [stdout] 8ceaa2751e5adb3b0e453405002a3deb1ec34ec9457f0aa1a8da1fd4a332768a