[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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/n0name/fem_test"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/n0name/fem_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/n0name/fem_test" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/n0name/fem_test"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of n0name/fem_test on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking n0name/fem_test against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ee8b13bf17430c701418688c8d39e1eca50b9f50d6e884227d06878822f7848b
[INFO] running `"docker" "start" "-a" "ee8b13bf17430c701418688c8d39e1eca50b9f50d6e884227d06878822f7848b"`
[INFO] [stderr]    Compiling wayland-scanner v0.21.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking piston-viewport v0.5.0
[INFO] [stderr]    Compiling xml-rs v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking wayland-sys v0.21.4
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr]    Compiling wayland-client v0.21.4
[INFO] [stderr]    Compiling wayland-protocols v0.21.4
[INFO] [stderr]    Compiling xmltree v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking wayland-commons v0.21.4
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]    Compiling dxf v0.3.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking rayon v1.0.3
[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-51dacebe2d82b489/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:345:21
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x559c2571b633 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h62b0d85f9c8a0c1e
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x559c2571774b - std::sys_common::backtrace::_print::h7a1acbdfd9a46dca
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x559c2571a4a6 - std::panicking::default_hook::{{closure}}::h145cf58405d7b62e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x559c2571a239 - std::panicking::default_hook::h2c72f204748779fc
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x559c2571aaff - std::panicking::rust_panic_with_hook::h0d1908ec672b6122
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x559c2571a681 - std::panicking::continue_panic_fmt::h1b054ec5d85f42bd
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x559c2571a565 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x559c2572bb6c - core::panicking::panic_fmt::h82d1666e474cde7a
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x559c2572baab - core::panicking::panic::h395fdc03d1ae7dac
[INFO] [stderr]                                at src/libcore/panicking.rs:49
[INFO] [stderr]    9:     0x559c2568517b - core::option::Option<T>::unwrap::hcc6027057eb1a491
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/macros.rs:10
[INFO] [stderr]   10:     0x559c2568232f - build_script_build::main::h8716eb5e0f420f82
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dxf-0.3.0/build/build.rs:19
[INFO] [stderr]   11:     0x559c2567992f - std::rt::lang_start::{{closure}}::h0b75f61d424bcf55
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x559c2571a552 - std::panicking::try::do_call::ha5fe25206b7efe63
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x559c2571d119 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   14:     0x559c2571b00c - std::rt::lang_start_internal::he0b4f394f16cd6fc
[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:     0x559c25679908 - std::rt::lang_start::h2689206a2d1b9e12
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x559c25682bd9 - main
[INFO] [stderr]   17:     0x7fc1c4fbf2e0 - __libc_start_main
[INFO] [stderr]   18:     0x559c2565b9b9 - _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" "ee8b13bf17430c701418688c8d39e1eca50b9f50d6e884227d06878822f7848b"`
[INFO] running `"docker" "rm" "-f" "ee8b13bf17430c701418688c8d39e1eca50b9f50d6e884227d06878822f7848b"`
[INFO] [stdout] ee8b13bf17430c701418688c8d39e1eca50b9f50d6e884227d06878822f7848b