[INFO] updating cached repository cynic64/voxels
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cynic64/voxels
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cynic64/voxels" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/cynic64/voxels"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/cynic64/voxels'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cynic64/voxels" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/cynic64/voxels"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/cynic64/voxels'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b09f5be0da7e420bf05ac91315a53b903b48de76
[INFO] sha for GitHub repo cynic64/voxels: b09f5be0da7e420bf05ac91315a53b903b48de76
[INFO] validating manifest of cynic64/voxels on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cynic64/voxels on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cynic64/voxels
[INFO] finished frobbing cynic64/voxels
[INFO] frobbed toml for cynic64/voxels written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/cynic64/voxels/Cargo.toml
[INFO] started frobbing cynic64/voxels
[INFO] finished frobbing cynic64/voxels
[INFO] frobbed toml for cynic64/voxels written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/cynic64/voxels/Cargo.toml
[INFO] crate cynic64/voxels already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cynic64/voxels against try#6a9f0b6cc40687e25f9d772e3b10bab335c63853 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-7/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/cynic64/voxels:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6cebc342d0fb1e529cd7f279443d31c797dd532eeada129423524e5d93b609c6
[INFO] running `"docker" "start" "-a" "6cebc342d0fb1e529cd7f279443d31c797dd532eeada129423524e5d93b609c6"`
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.6
[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-4fbf2e9916e75103/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] error occured in handler:  ('request: ', ('xcb', 'XFixes', 'DeletePointerBarrier'))
[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/xfixes.rs'
[INFO] [stderr] thread 'main' panicked at 'processing of /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xml/xfixes.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:     0x5587e541f30a - backtrace::backtrace::libunwind::trace::h6a914de936d19d32
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/libunwind.rs:97
[INFO] [stderr]    1:     0x5587e541f30a - backtrace::backtrace::trace_unsynchronized::hdc7962958aac26ca
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5587e541f30a - std::sys_common::backtrace::_print::h4636cc90ad6e9cc8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5587e541f30a - std::sys_common::backtrace::print::h5e5a912d150b774f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5587e541f30a - std::panicking::default_hook::{{closure}}::h5fcf878e4219f22e
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    5:     0x5587e541f00b - std::panicking::default_hook::hff6517781036cbe2
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    6:     0x5587e541f9cf - std::panicking::rust_panic_with_hook::h22be939073562a0c
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    7:     0x5587e541f551 - std::panicking::continue_panic_fmt::h0bf78b06ee9243d2
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    8:     0x5587e541f49e - std::panicking::begin_panic_fmt::h6e669530d4f5893f
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    9:     0x5587e5413142 - build_script_build::main::{{closure}}::h3734dc7650a5674a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75
[INFO] [stderr]   10:     0x5587e5413142 - build_script_build::visit_xml::hb9754a9bca1cf012
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20
[INFO] [stderr]   11:     0x5587e5413142 - build_script_build::main::hf4d6aea055d5ccde
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56
[INFO] [stderr]   12:     0x5587e5411442 - std::rt::lang_start::{{closure}}::hc4084f1f0be79b13
[INFO] [stderr]                                at /rustc/6a9f0b6cc40687e25f9d772e3b10bab335c63853/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x5587e541f422 - std::rt::lang_start_internal::{{closure}}::h7a046000d751c604
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x5587e541f422 - std::panicking::try::do_call::h7822f6600116a051
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   15:     0x5587e5425ed9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   16:     0x5587e541fedc - std::panicking::try::h358b691e2e16967b
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]   17:     0x5587e541fedc - std::panic::catch_unwind::haa1f6d1877145dfc
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   18:     0x5587e541fedc - std::rt::lang_start_internal::hdb0bb82020fa34fd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x5587e5413367 - main
[INFO] [stderr]   20:     0x7f69ada7a2e0 - __libc_start_main
[INFO] [stderr]   21:     0x5587e540fc79 - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6cebc342d0fb1e529cd7f279443d31c797dd532eeada129423524e5d93b609c6"`
[INFO] running `"docker" "rm" "-f" "6cebc342d0fb1e529cd7f279443d31c797dd532eeada129423524e5d93b609c6"`
[INFO] [stdout] 6cebc342d0fb1e529cd7f279443d31c797dd532eeada129423524e5d93b609c6