[INFO] updating cached repository https://github.com/rasviitanen/valency
[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] 029c3bdc827c33871aaf79bd7d6344c4f0e1a31c
[INFO] checking rasviitanen/valency against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasviitanen%2Fvalency" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rasviitanen/valency on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rasviitanen/valency
[INFO] finished tweaking git repo https://github.com/rasviitanen/valency
[INFO] tweaked toml for git repo https://github.com/rasviitanen/valency written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rasviitanen/valency already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 82bbd46e281c97312654f27cea787c49700ae8c29e882840bef428da8a165a17
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "82bbd46e281c97312654f27cea787c49700ae8c29e882840bef428da8a165a17"`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling mint v0.5.1
[INFO] [stderr]     Checking seahash v3.0.5
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.0
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking slice-deque v0.1.14
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking euclid v0.19.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking intl_pluralrules v1.0.1
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]    Compiling glsl-layout-derive v0.1.1
[INFO] [stderr]    Compiling getset v0.0.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.4
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.9
[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-bb868b4c0dfcebc3/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:     0x55ed56863da4 - backtrace::backtrace::libunwind::trace::he109529ff1dc76f7
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55ed56863da4 - backtrace::backtrace::trace_unsynchronized::hef5630b5b89e7da6
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ed56863da4 - std::sys_common::backtrace::_print_fmt::hb6aa27cc6435f7ee
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55ed56863da4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc8ed84d3f9251ec9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55ed56881adc - core::fmt::write::ha7289210e62113c3
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1063
[INFO] [stderr]    5:     0x55ed56861887 - std::io::Write::write_fmt::ha5b699d062564d98
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x55ed568661f5 - std::sys_common::backtrace::_print::h93033be5ea486fe6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55ed568661f5 - std::sys_common::backtrace::print::hc1f88a8d0e001fdd
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55ed568661f5 - std::panicking::default_hook::{{closure}}::h1628a29c2888e142
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x55ed56865f42 - std::panicking::default_hook::hd5ebb6361821db24
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x55ed568667b2 - std::panicking::rust_panic_with_hook::h158379e90d65e844
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x55ed5686639b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x55ed56880e51 - core::panicking::panic_fmt::h9118a90e476a64ec
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x55ed56880c73 - core::option::expect_none_failed::h16abaeeee5bb58a1
[INFO] [stderr]                                at src/libcore/option.rs:1211
[INFO] [stderr]   14:     0x55ed5683c52b - core::result::Result<T,E>::unwrap::he43f31e53afeddcf
[INFO] [stderr]                                at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libcore/result.rs:1003
[INFO] [stderr]   15:     0x55ed568397f5 - build_script_build::main::h007715a17ac4ac78
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   16:     0x55ed5683affb - std::rt::lang_start::{{closure}}::hca973d7495d455fe
[INFO] [stderr]                                at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55ed568662c3 - std::rt::lang_start_internal::{{closure}}::h6e93e18fa04e1c8a
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55ed568662c3 - std::panicking::try::do_call::hf5c508d3f7fd6e80
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x55ed5686c8b7 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x55ed56866cdb - std::panicking::try::ha6921e66e2ad49ba
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x55ed56866cdb - std::panic::catch_unwind::h5765f97350df40be
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x55ed56866cdb - std::rt::lang_start_internal::ha5adbbeb42eba794
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x55ed5683afd7 - std::rt::lang_start::hda76b2c81de9f700
[INFO] [stderr]                                at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x55ed5683a91a - main
[INFO] [stderr]   25:     0x7fd29c5d2b97 - __libc_start_main
[INFO] [stderr]   26:     0x55ed5683914a - _start
[INFO] [stderr]   27:                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-9a0a6ce9e694f7b2/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] error occured in handler:  ('event:   ', ('xcb', 'Sync', 'AlarmNotify'))
[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/sync.rs'
[INFO] [stderr] thread 'main' panicked at 'processing of /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xml/sync.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:     0x55fc0f71adf4 - backtrace::backtrace::libunwind::trace::he109529ff1dc76f7
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55fc0f71adf4 - backtrace::backtrace::trace_unsynchronized::hef5630b5b89e7da6
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55fc0f71adf4 - std::sys_common::backtrace::_print_fmt::hb6aa27cc6435f7ee
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55fc0f71adf4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc8ed84d3f9251ec9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55fc0f738dbc - core::fmt::write::ha7289210e62113c3
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1063
[INFO] [stderr]    5:     0x55fc0f718647 - std::io::Write::write_fmt::ha5b699d062564d98
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x55fc0f71d305 - std::sys_common::backtrace::_print::h93033be5ea486fe6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55fc0f71d305 - std::sys_common::backtrace::print::hc1f88a8d0e001fdd
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55fc0f71d305 - std::panicking::default_hook::{{closure}}::h1628a29c2888e142
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x55fc0f71d052 - std::panicking::default_hook::hd5ebb6361821db24
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x55fc0f71d8c2 - std::panicking::rust_panic_with_hook::h158379e90d65e844
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x55fc0f71d4ab - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x55fc0f71d41b - std::panicking::begin_panic_fmt::h1a9709a22854592b
[INFO] [stderr]                                at src/libstd/panicking.rs:332
[INFO] [stderr]   13:     0x55fc0f70897c - build_script_build::main::{{closure}}::h15bb55f7722a675b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75
[INFO] [stderr]   14:     0x55fc0f707613 - build_script_build::visit_xml::h9fa5f7beb0acec3b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20
[INFO] [stderr]   15:     0x55fc0f707d75 - build_script_build::main::h8b330a548995e099
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56
[INFO] [stderr]   16:     0x55fc0f70a5ab - std::rt::lang_start::{{closure}}::hb67c834f30cfadcc
[INFO] [stderr]                                at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55fc0f71d3d3 - std::rt::lang_start_internal::{{closure}}::h6e93e18fa04e1c8a
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55fc0f71d3d3 - std::panicking::try::do_call::hf5c508d3f7fd6e80
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x55fc0f724297 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x55fc0f71ddeb - std::panicking::try::ha6921e66e2ad49ba
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x55fc0f71ddeb - std::panic::catch_unwind::h5765f97350df40be
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x55fc0f71ddeb - std::rt::lang_start_internal::ha5adbbeb42eba794
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x55fc0f70a587 - std::rt::lang_start::h6a93d76a5c24562e
[INFO] [stderr]                                at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x55fc0f708a2a - main
[INFO] [stderr]   25:     0x7f1db331fb97 - __libc_start_main
[INFO] [stderr]   26:     0x55fc0f706dea - _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" "82bbd46e281c97312654f27cea787c49700ae8c29e882840bef428da8a165a17"`
[INFO] running `"docker" "rm" "-f" "82bbd46e281c97312654f27cea787c49700ae8c29e882840bef428da8a165a17"`
[INFO] [stdout] 82bbd46e281c97312654f27cea787c49700ae8c29e882840bef428da8a165a17