[INFO] fetching crate imgui-gfx-hal 0.1.2...
[INFO] extracting crate imgui-gfx-hal 0.1.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/imgui-gfx-hal/0.1.2
[INFO] extracting crate imgui-gfx-hal 0.1.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/imgui-gfx-hal/0.1.2
[INFO] validating manifest of imgui-gfx-hal-0.1.2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of imgui-gfx-hal-0.1.2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing imgui-gfx-hal-0.1.2
[INFO] finished frobbing imgui-gfx-hal-0.1.2
[INFO] frobbed toml for imgui-gfx-hal-0.1.2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/imgui-gfx-hal/0.1.2/Cargo.toml
[INFO] started frobbing imgui-gfx-hal-0.1.2
[INFO] finished frobbing imgui-gfx-hal-0.1.2
[INFO] frobbed toml for imgui-gfx-hal-0.1.2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/imgui-gfx-hal/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking imgui-gfx-hal-0.1.2 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/imgui-gfx-hal/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4f5e8ac84122ad7ecc3f2b0d0d06476b1ff0ddc430a0280e19b7b5389cc680f8
[INFO] running `"docker" "start" "-a" "4f5e8ac84122ad7ecc3f2b0d0d06476b1ff0ddc430a0280e19b7b5389cc680f8"`
[INFO] [stderr]    Compiling imgui-sys v0.0.23
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking ash v0.24.4
[INFO] [stderr]     Checking gfx-hal v0.1.0
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/xcb-ead2b7e7302da499/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] error occured in handler:  ('request: ', ('xcb', 'BigRequests', 'Enable'))
[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/big_requests.rs'
[INFO] [stderr] thread 'main' panicked at 'processing of /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xml/bigreq.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:     0x55c22c181b1b - backtrace::backtrace::libunwind::trace::h8758853b907b30fd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55c22c181b1b - backtrace::backtrace::trace_unsynchronized::h979d07d4bfdce29c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55c22c181b1b - std::sys_common::backtrace::_print::ha749bbdb811617ea
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55c22c181b1b - std::sys_common::backtrace::print::h86a6ff63a904e869
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55c22c181b1b - std::panicking::default_hook::{{closure}}::h68500b20afb715b9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55c22c1817f7 - std::panicking::default_hook::ha801ade4ae33c264
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55c22c1821e0 - std::panicking::rust_panic_with_hook::hfb51b615c6060100
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55c22c181d62 - std::panicking::continue_panic_fmt::h94bd84d5bf32c833
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55c22c181caf - std::panicking::begin_panic_fmt::hd0bcc12fdd0dd8fa
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x55c22c16a293 - build_script_build::main::{{closure}}::h6e728bd6aa1d27ce
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75
[INFO] [stderr]   10:     0x55c22c168afd - build_script_build::visit_xml::hb1fa63522ac199e5
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20
[INFO] [stderr]   11:     0x55c22c169643 - build_script_build::main::h1cc52e112fc900f3
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56
[INFO] [stderr]   12:     0x55c22c1751b0 - std::rt::lang_start::{{closure}}::hc5718770d94f2ed2
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55c22c181c33 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x55c22c181c33 - std::panicking::try::do_call::h51cc84caa9338daf
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   15:     0x55c22c18856a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   16:     0x55c22c1826ed - std::panicking::try::heb9d5da34e3fa707
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   17:     0x55c22c1826ed - std::panic::catch_unwind::he2a2041733180f4c
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   18:     0x55c22c1826ed - std::rt::lang_start_internal::h9e24cef029766dfd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x55c22c175189 - std::rt::lang_start::hf50bc629eccfc859
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x55c22c16a3da - main
[INFO] [stderr]   21:     0x7fb43ca9a2e1 - __libc_start_main
[INFO] [stderr]   22:     0x55c22c1619ba - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.1.0/src/command/render_pass.rs:232:36
[INFO] [stderr]     |
[INFO] [stderr] 189 | impl<'a, B: Backend> RenderPassInlineEncoder<'a, B> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] ...
[INFO] [stderr] 232 |         RenderPassSecondaryEncoder(self.0.cmb)
[INFO] [stderr]     |         ---------------------------^^^^^^^^^^- returning this value requires that `*self.0.cmb` is borrowed for `'a`
[INFO] [stderr] 233 |     }
[INFO] [stderr]     |     - here, drop of `self` needs exclusive access to `*self.0.cmb`, because the type `command::render_pass::RenderPassInlineEncoder<'_, B>` implements the `Drop` trait
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.1.0/src/command/render_pass.rs:308:62
[INFO] [stderr]     |
[INFO] [stderr] 262 | impl<'a, B: Backend> RenderPassSecondaryEncoder<'a, B> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] ...
[INFO] [stderr] 308 |             RenderPassInlineEncoder(RenderSubpassCommon::new(self.0))
[INFO] [stderr]     |             -------------------------------------------------^^^^^^-- returning this value requires that `*self.0` is borrowed for `'a`
[INFO] [stderr] 309 |         }
[INFO] [stderr] 310 |     }
[INFO] [stderr]     |     - here, drop of `self` needs exclusive access to `*self.0`, because the type `command::render_pass::RenderPassSecondaryEncoder<'_, B>` implements the `Drop` trait
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4f5e8ac84122ad7ecc3f2b0d0d06476b1ff0ddc430a0280e19b7b5389cc680f8"`
[INFO] running `"docker" "rm" "-f" "4f5e8ac84122ad7ecc3f2b0d0d06476b1ff0ddc430a0280e19b7b5389cc680f8"`
[INFO] [stdout] 4f5e8ac84122ad7ecc3f2b0d0d06476b1ff0ddc430a0280e19b7b5389cc680f8