[INFO] crate amethyst_ui 0.8.1 is already in cache
[INFO] checking amethyst_ui-0.8.1 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate amethyst_ui 0.8.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate amethyst_ui 0.8.1 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate amethyst_ui 0.8.1
[INFO] finished tweaking crates.io crate amethyst_ui 0.8.1
[INFO] tweaked toml for crates.io crate amethyst_ui 0.8.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78ac94792225e57872ccf451bec4121018fce2ccd662628920c6f85d14368a50
[INFO] running `"docker" "start" "-a" "78ac94792225e57872ccf451bec4121018fce2ccd662628920c6f85d14368a50"`
[INFO] [stderr]    Compiling libc v0.2.66
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[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
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[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
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[INFO] [stderr]     Checking hound v3.4.0
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[INFO] [stderr]    Compiling minimp3-sys v0.3.1
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[INFO] [stderr]    Compiling num-integer v0.1.42
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[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]     Checking lock_api v0.3.3
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[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
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[INFO] [stderr]    Compiling parking_lot_core v0.4.0
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[INFO] [stderr]    Compiling aho-corasick v0.7.6
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[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling shred-derive v0.6.1
[INFO] [stderr]    Compiling specs-derive v0.4.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking backtrace v0.3.42
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking png v0.14.1
[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/rustwide/target/debug/build/xcb-499bbd8f9df1cbbb/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] error occured in handler:  ('error:   ', ('xcb', 'XPrint', 'BadSequence'))
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "/opt/rustwide/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/rustwide/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/rustwide/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/rustwide/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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/src/ffi/x_print.rs'
[INFO] [stderr] thread 'main' panicked at 'processing of /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xml/xprint.xml returned non-zero (1)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55fcabe7eb44 - backtrace::backtrace::libunwind::trace::hc26826043b7bf82f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55fcabe7eb44 - backtrace::backtrace::trace_unsynchronized::hf9fe7343abcf3b6a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55fcabe7eb44 - std::sys_common::backtrace::_print_fmt::hf5f83f377bc8d868
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55fcabe7eb44 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb2a7a6aa1b182a99
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55fcabe9a82c - core::fmt::write::hc09f142ab04e56d2
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1057
[INFO] [stderr]    5:     0x55fcabe7c5f7 - std::io::Write::write_fmt::hafa429c292548705
[INFO] [stderr]                                at src/libstd/io/mod.rs:1426
[INFO] [stderr]    6:     0x55fcabe80c75 - std::sys_common::backtrace::_print::hcf3fff603fe810fd
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55fcabe80c75 - std::sys_common::backtrace::print::h5ea515a32d6700a5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55fcabe80c75 - std::panicking::default_hook::{{closure}}::h324ce5172a1777e2
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x55fcabe80961 - std::panicking::default_hook::h6593dbc4932c953a
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x55fcabe8122a - std::panicking::rust_panic_with_hook::h04729d51ab5f86cb
[INFO] [stderr]                                at src/libstd/panicking.rs:472
[INFO] [stderr]   11:     0x55fcabe80e10 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x55fcabe80d8b - std::panicking::begin_panic_fmt::haa61c34186b2a59d
[INFO] [stderr]                                at src/libstd/panicking.rs:334
[INFO] [stderr]   13:     0x55fcabe6fe83 - build_script_build::main::{{closure}}::h6d1791d8a17f94ac
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75
[INFO] [stderr]   14:     0x55fcabe6e74b - build_script_build::visit_xml::h1ce64a1a00aae4f7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20
[INFO] [stderr]   15:     0x55fcabe6f22a - build_script_build::main::h006561ac42a2fb8e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56
[INFO] [stderr]   16:     0x55fcabe739c0 - std::rt::lang_start::{{closure}}::hcb21cf3e8bae7150
[INFO] [stderr]                                at /rustc/6250d56355d72264ece721e8d0dc95b16a6824b1/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55fcabe80d43 - std::rt::lang_start_internal::{{closure}}::h5c17144678350141
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55fcabe80d43 - std::panicking::try::do_call::h8eaf10466ef75c80
[INFO] [stderr]                                at src/libstd/panicking.rs:305
[INFO] [stderr]   19:     0x55fcabe876a7 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x55fcabe816d0 - std::panicking::try::hbd218b3dcbe12757
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x55fcabe816d0 - std::panic::catch_unwind::h0175a6dbda08cacb
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x55fcabe816d0 - std::rt::lang_start_internal::h09fd43f7d6ed11c7
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x55fcabe73999 - std::rt::lang_start::h94dc220d12a017b7
[INFO] [stderr]                                at /rustc/6250d56355d72264ece721e8d0dc95b16a6824b1/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x55fcabe6ffba - main
[INFO] [stderr]   25:     0x7f940d641b97 - __libc_start_main
[INFO] [stderr]   26:     0x55fcabe67f3a - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "78ac94792225e57872ccf451bec4121018fce2ccd662628920c6f85d14368a50"`
[INFO] running `"docker" "rm" "-f" "78ac94792225e57872ccf451bec4121018fce2ccd662628920c6f85d14368a50"`
[INFO] [stdout] 78ac94792225e57872ccf451bec4121018fce2ccd662628920c6f85d14368a50