[INFO] fetching crate amethyst-imgui 0.1.0...
[INFO] extracting crate amethyst-imgui 0.1.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/amethyst-imgui/0.1.0
[INFO] extracting crate amethyst-imgui 0.1.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/amethyst-imgui/0.1.0
[INFO] validating manifest of amethyst-imgui-0.1.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amethyst-imgui-0.1.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing amethyst-imgui-0.1.0
[INFO] finished frobbing amethyst-imgui-0.1.0
[INFO] frobbed toml for amethyst-imgui-0.1.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/amethyst-imgui/0.1.0/Cargo.toml
[INFO] started frobbing amethyst-imgui-0.1.0
[INFO] finished frobbing amethyst-imgui-0.1.0
[INFO] frobbed toml for amethyst-imgui-0.1.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/amethyst-imgui/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking amethyst-imgui-0.1.0 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-4/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/amethyst-imgui/0.1.0:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 76b6905a3f73677f4be072c79117d1e5758d186391aa9554783d5f5df407c385
[INFO] running `"docker" "start" "-a" "76b6905a3f73677f4be072c79117d1e5758d186391aa9554783d5f5df407c385"`
[INFO] [stderr]     Checking fluent-locale v0.4.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]     Checking annotate-snippets v0.1.0
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking intl_pluralrules v1.0.2
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling getset v0.0.6
[INFO] [stderr]     Checking fluent-syntax v0.1.1
[INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/xcb-6f5d510eff923168/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] error occured in handler:  ('event:   ', ('xcb', 'ScreenSaver', 'Notify'))
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 2448, in <module>
[INFO] [stderr]     module.generate()
[INFO] [stderr]   File "/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xcbgen/state.py", line 108, in generate
[INFO] [stderr]     self.close()
[INFO] [stderr]   File "/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 296, in rs_close
[INFO] [stderr]     _f.writeout(os.path.join(module.rs_srcdir, "ffi", "%s.rs" % _module_name(_ns.ext_name)))
[INFO] [stderr]   File "/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 114, in writeout
[INFO] [stderr]     with open(path, 'w') as f:
[INFO] [stderr] OSError: [Errno 30] Read-only file system: '/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/src/ffi/screensaver.rs'
[INFO] [stderr] thread 'main' panicked at 'processing of /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xml/screensaver.xml returned non-zero (1)', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55e166795c23 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hfe14902d5dd41bf8
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55e166791d3b - std::sys_common::backtrace::_print::hc2555116e7c8c874
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55e166794a26 - std::panicking::default_hook::{{closure}}::h9fb1ec65fd293048
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55e1667947b9 - std::panicking::default_hook::h7b4e2a7e1c2a63a7
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55e16679507f - std::panicking::rust_panic_with_hook::h9b8bb6f9ced4f458
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55e166794c01 - std::panicking::continue_panic_fmt::hf2c20b0944521e45
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55e166794b4e - std::panicking::begin_panic_fmt::hd5f434799d5bea42
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x55e16677ce34 - build_script_build::main::{{closure}}::h8022133712944f21
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75
[INFO] [stderr]    8:     0x55e16677b6a3 - build_script_build::visit_xml::habec436f76b36ad2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20
[INFO] [stderr]    9:     0x55e16677c1e2 - build_script_build::main::h0e8ff4b8edd43b79
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56
[INFO] [stderr]   10:     0x55e166786a1f - std::rt::lang_start::{{closure}}::hc8f390b434916ec2
[INFO] [stderr]                                at /rustc/c0086b9e8972fef9fd4af24bae20d45021ed06c6/src/libstd/rt.rs:64
[INFO] [stderr]   11:     0x55e166794ad2 - std::panicking::try::do_call::h213677faaf56adb7
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   12:     0x55e16679b919 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   13:     0x55e16679558c - std::rt::lang_start_internal::h41a26d62d9ff596f
[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]   14:     0x55e1667869f8 - std::rt::lang_start::ha1f2c0727e55e824
[INFO] [stderr]                                at /rustc/c0086b9e8972fef9fd4af24bae20d45021ed06c6/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55e16677cf79 - main
[INFO] [stderr]   16:     0x7f9f3a87f2e0 - __libc_start_main
[INFO] [stderr]   17:     0x55e166774e89 - _start
[INFO] [stderr]   18:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "76b6905a3f73677f4be072c79117d1e5758d186391aa9554783d5f5df407c385"`
[INFO] running `"docker" "rm" "-f" "76b6905a3f73677f4be072c79117d1e5758d186391aa9554783d5f5df407c385"`
[INFO] [stdout] 76b6905a3f73677f4be072c79117d1e5758d186391aa9554783d5f5df407c385