[INFO] fetching crate cb 0.1.2...
[INFO] checking cb-0.1.2 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate cb 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cb 0.1.2 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cb 0.1.2
[INFO] finished tweaking crates.io crate cb 0.1.2
[INFO] tweaked toml for crates.io crate cb 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate cb 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clipboard v0.5.0
[INFO] [stderr]   Downloaded indexmap v1.7.0
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded x11-clipboard v0.3.3
[INFO] [stderr]   Downloaded predicates-tree v1.0.3
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded os_str_bytes v2.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded predicates v2.0.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded xcb v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17f03003a4f5ba8156c31ac8f07304d51d1b5bd66be888133e524a25ee9e6ee7
[INFO] running `Command { std: "docker" "start" "-a" "17f03003a4f5ba8156c31ac8f07304d51d1b5bd66be888133e524a25ee9e6ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f03003a4f5ba8156c31ac8f07304d51d1b5bd66be888133e524a25ee9e6ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f03003a4f5ba8156c31ac8f07304d51d1b5bd66be888133e524a25ee9e6ee7", kill_on_drop: false }`
[INFO] [stdout] 17f03003a4f5ba8156c31ac8f07304d51d1b5bd66be888133e524a25ee9e6ee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2e46fabf75d6d098bee39c44beb1dabed0a3db1baccb93591466e17b63a1227
[INFO] running `Command { std: "docker" "start" "-a" "d2e46fabf75d6d098bee39c44beb1dabed0a3db1baccb93591466e17b63a1227", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking predicates v2.0.1
[INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/xcb-a885bee76ab275ba/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error occured in handler:  ('request: ', ('xcb', 'SELinux', 'GetClientContext'))
[INFO] [stderr]   Traceback (most recent call last):
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/rs_client.py", line 2448, in <module>
[INFO] [stderr]       module.generate()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/xcbgen/state.py", line 108, in generate
[INFO] [stderr]       self.close()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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/index.crates.io-6f17d22bba15001f/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/index.crates.io-6f17d22bba15001f/xcb-0.8.2/src/ffi/selinux.rs'
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/build.rs:75:17:
[INFO] [stderr]   processing of /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/xml/xselinux.xml returned non-zero (1)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b7e66fd31c - std::backtrace_rs::backtrace::libunwind::trace::hf82e7f192d52e64b
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55b7e66fd31c - std::backtrace_rs::backtrace::trace_unsynchronized::h5ac203979c6adda5
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b7e66fd31c - std::sys_common::backtrace::_print_fmt::hed146a3c2f312bec
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55b7e66fd31c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h447a09b0c9d8b3be
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55b7e6720760 - core::fmt::rt::Argument::fmt::h5746129e8952c9d4
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55b7e6720760 - core::fmt::write::he3c7b4da87cac5c9
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55b7e66fb37f - std::io::Write::write_fmt::h38bdb49a4fbe0f79
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x55b7e66fd104 - std::sys_common::backtrace::_print::h433ad827a8eb7117
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55b7e66fd104 - std::sys_common::backtrace::print::hd30f60963b6f931b
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55b7e66fe7a7 - std::panicking::default_hook::{{closure}}::hae6c6d0460433514
[INFO] [stderr]     10:     0x55b7e66fe50f - std::panicking::default_hook::h26f114e2654b4583
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55b7e66fec28 - std::panicking::rust_panic_with_hook::h8da09eceb4025e00
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55b7e66feb0e - std::panicking::begin_panic_handler::{{closure}}::h14ccf55fd0d8568a
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55b7e66fd7e6 - std::sys_common::backtrace::__rust_end_short_backtrace::hc4279fec1eb11e57
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55b7e66fe872 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55b7e66d7285 - core::panicking::panic_fmt::hdcd414b50414e074
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55b7e66dd241 - build_script_build::main::{{closure}}::h4c6784476f2dae95
[INFO] [stderr]     17:     0x55b7e66dc135 - build_script_build::visit_xml::hbc8abb2aec9fd91c
[INFO] [stderr]     18:     0x55b7e66dc7d3 - build_script_build::main::hee7cfa6620dc75a6
[INFO] [stderr]     19:     0x55b7e66d8d73 - core::ops::function::FnOnce::call_once::h7255cda4907e4d32
[INFO] [stderr]     20:     0x55b7e66d7de6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hfd9e0e8b523a96b1
[INFO] [stderr]     21:     0x55b7e66d8529 - std::rt::lang_start::{{closure}}::h472f1a6290d96884
[INFO] [stderr]     22:     0x55b7e66f7f67 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h658622c66563c38f
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x55b7e66f7f67 - std::panicking::try::do_call::h8002e07ffb435d48
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x55b7e66f7f67 - std::panicking::try::he04747d1428f9f5a
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x55b7e66f7f67 - std::panic::catch_unwind::h8f4636046dcfb2df
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x55b7e66f7f67 - std::rt::lang_start_internal::{{closure}}::h8dffd1ea3bc0d1d0
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x55b7e66f7f67 - std::panicking::try::do_call::h5989f348b191affb
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x55b7e66f7f67 - std::panicking::try::hfbc357d86d926a0e
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x55b7e66f7f67 - std::panic::catch_unwind::he50dac537cfd37b0
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x55b7e66f7f67 - std::rt::lang_start_internal::h455d839bebdeb5d7
[INFO] [stderr]                                  at /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x55b7e66d8507 - std::rt::lang_start::habf0e9f53225fc23
[INFO] [stderr]     32:     0x55b7e66dd2c5 - main
[INFO] [stderr]     33:     0x7f1a7e218d90 - <unknown>
[INFO] [stderr]     34:     0x7f1a7e218e40 - __libc_start_main
[INFO] [stderr]     35:     0x55b7e66d79c5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d2e46fabf75d6d098bee39c44beb1dabed0a3db1baccb93591466e17b63a1227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e46fabf75d6d098bee39c44beb1dabed0a3db1baccb93591466e17b63a1227", kill_on_drop: false }`
[INFO] [stdout] d2e46fabf75d6d098bee39c44beb1dabed0a3db1baccb93591466e17b63a1227
