[INFO] updating cached repository https://github.com/onelson/dream-78
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83a0f3879bd5cd96c44b016f26203cfb2483e3e6
[INFO] checking onelson/dream-78 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelson%2Fdream-78" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onelson/dream-78 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/onelson/dream-78
[INFO] finished tweaking git repo https://github.com/onelson/dream-78
[INFO] tweaked toml for git repo https://github.com/onelson/dream-78 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/onelson/dream-78 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "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] 6c3e51e71de06c2a0e28b79b3e9ee03ae43df28c9f602a404772b9c27c10c9ec
[INFO] running `"docker" "start" "-a" "6c3e51e71de06c2a0e28b79b3e9ee03ae43df28c9f602a404772b9c27c10c9ec"`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]     Checking static_assertions v0.3.3
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling mikktspace v0.1.1
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling err-derive v0.1.5
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling glsl-layout-derive v0.3.0
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-116350f13d3b2737/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5558a8700d34 - backtrace::backtrace::libunwind::trace::hdbfb90b3ac3ad82c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x5558a8700d34 - backtrace::backtrace::trace_unsynchronized::hdc2d8de557dbdcaf
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5558a8700d34 - std::sys_common::backtrace::_print_fmt::hc847b4cbd733969c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x5558a8700d34 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1834f0d5f0f485d9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x5558a871e91c - core::fmt::write::h6932942104d5f1ae
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x5558a86fe9b3 - std::io::Write::write_fmt::h6ea75dc393077354
[INFO] [stderr]                                at src/libstd/io/mod.rs:1427
[INFO] [stderr]    6:     0x5558a8703315 - std::sys_common::backtrace::_print::hbdd2af06305a234c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x5558a8703315 - std::sys_common::backtrace::print::hfa2e5bb1407a0009
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5558a8703315 - std::panicking::default_hook::{{closure}}::h4196b1a9c9da64a2
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x5558a8703062 - std::panicking::default_hook::h853dd04629d084b0
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x5558a8703922 - std::panicking::rust_panic_with_hook::h06766489222c5b1f
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x5558a870350b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x5558a871dc91 - core::panicking::panic_fmt::h70f73dd0c53f6a1b
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x5558a871dab3 - core::option::expect_none_failed::h1638b8aeab38312f
[INFO] [stderr]                                at src/libcore/option.rs:1211
[INFO] [stderr]   14:     0x5558a86d84db - core::result::Result<T,E>::unwrap::hab085e9069c2bb88
[INFO] [stderr]                                at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libcore/result.rs:1003
[INFO] [stderr]   15:     0x5558a86d5855 - build_script_build::main::h259bb600267de58a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   16:     0x5558a86d749b - std::rt::lang_start::{{closure}}::h03f96f8ddd979918
[INFO] [stderr]                                at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x5558a8703def - std::rt::lang_start_internal::{{closure}}::hdaffbcc57d598c5f
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x5558a8703def - std::panicking::try::do_call::hc1832c62abd55478
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x5558a8703def - std::panicking::try::h23d1892813e46504
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x5558a8703def - std::panic::catch_unwind::hdb5524bedfc6db1f
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x5558a8703def - std::rt::lang_start_internal::h2ab9efcdfcc44c95
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x5558a86d7477 - std::rt::lang_start::h8d0764c4637ed798
[INFO] [stderr]                                at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x5558a86d697a - main
[INFO] [stderr]   24:     0x7f46e5b3eb97 - __libc_start_main
[INFO] [stderr]   25:     0x5558a86d51aa - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-c0b21d26cd2291cf/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:     0x55ac4522e564 - backtrace::backtrace::libunwind::trace::hdbfb90b3ac3ad82c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55ac4522e564 - backtrace::backtrace::trace_unsynchronized::hdc2d8de557dbdcaf
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ac4522e564 - std::sys_common::backtrace::_print_fmt::hc847b4cbd733969c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55ac4522e564 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1834f0d5f0f485d9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55ac4524c0fc - core::fmt::write::h6932942104d5f1ae
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55ac4522bff3 - std::io::Write::write_fmt::h6ea75dc393077354
[INFO] [stderr]                                at src/libstd/io/mod.rs:1427
[INFO] [stderr]    6:     0x55ac45230b95 - std::sys_common::backtrace::_print::hbdd2af06305a234c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55ac45230b95 - std::sys_common::backtrace::print::hfa2e5bb1407a0009
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55ac45230b95 - std::panicking::default_hook::{{closure}}::h4196b1a9c9da64a2
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55ac452308e2 - std::panicking::default_hook::h853dd04629d084b0
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55ac452311a2 - std::panicking::rust_panic_with_hook::h06766489222c5b1f
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55ac45230d8b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x55ac45230cfb - std::panicking::begin_panic_fmt::hc7b7589fb51b5435
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   13:     0x55ac4521b9dc - build_script_build::main::{{closure}}::hfc17ccc27f6f2772
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75
[INFO] [stderr]   14:     0x55ac4521a673 - build_script_build::visit_xml::h8afd955a4a213508
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20
[INFO] [stderr]   15:     0x55ac4521add5 - build_script_build::main::h0443525c3a0691fc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56
[INFO] [stderr]   16:     0x55ac4521d60b - std::rt::lang_start::{{closure}}::h413a85e2a22f6d8e
[INFO] [stderr]                                at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55ac4523166f - std::rt::lang_start_internal::{{closure}}::hdaffbcc57d598c5f
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55ac4523166f - std::panicking::try::do_call::hc1832c62abd55478
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x55ac4523166f - std::panicking::try::h23d1892813e46504
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55ac4523166f - std::panic::catch_unwind::hdb5524bedfc6db1f
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55ac4523166f - std::rt::lang_start_internal::h2ab9efcdfcc44c95
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55ac4521d5e7 - std::rt::lang_start::h937983b83e630ad1
[INFO] [stderr]                                at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55ac4521ba8a - main
[INFO] [stderr]   24:     0x7fbc54b04b97 - __libc_start_main
[INFO] [stderr]   25:     0x55ac45219e4a - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6c3e51e71de06c2a0e28b79b3e9ee03ae43df28c9f602a404772b9c27c10c9ec"`
[INFO] running `"docker" "rm" "-f" "6c3e51e71de06c2a0e28b79b3e9ee03ae43df28c9f602a404772b9c27c10c9ec"`
[INFO] [stdout] 6c3e51e71de06c2a0e28b79b3e9ee03ae43df28c9f602a404772b9c27c10c9ec