[INFO] fetching crate rkeep 0.4.1...
[INFO] testing rkeep-0.4.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rkeep 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rkeep 0.4.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rkeep 0.4.1
[INFO] finished tweaking crates.io crate rkeep 0.4.1
[INFO] tweaked toml for crates.io crate rkeep 0.4.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rkeep 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d386d6d121740a9459dec0670a35da2c7d3a018d8523921efc282591ae31464b
[INFO] running `Command { std: "docker" "start" "-a" "d386d6d121740a9459dec0670a35da2c7d3a018d8523921efc282591ae31464b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d386d6d121740a9459dec0670a35da2c7d3a018d8523921efc282591ae31464b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d386d6d121740a9459dec0670a35da2c7d3a018d8523921efc282591ae31464b", kill_on_drop: false }`
[INFO] [stdout] d386d6d121740a9459dec0670a35da2c7d3a018d8523921efc282591ae31464b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f79cbc37a52777cc28c1144f7a6477623752d0d4386a629ed01279060687104
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f79cbc37a52777cc28c1144f7a6477623752d0d4386a629ed01279060687104", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling hex-literal v0.3.3
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling secstr v0.4.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling salsa20 v0.8.1
[INFO] [stderr]    Compiling chacha20 v0.7.3
[INFO] [stderr]    Compiling twofish v0.6.0
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling sha2 v0.9.6
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling chrono v0.4.19
[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-375f924695d61f18/build-script-build` (exit status: 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:     0x55cb7776dd2d - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55cb7776dd2d - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55cb7776dd2d - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x55cb7776dd2d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h26f189e611080a74
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x55cb7778b79c - core::fmt::write::hfb5d11dfe037e8b7
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17
[INFO] [stderr]      5:     0x55cb7776b841 - std::io::Write::write_fmt::ha30651f608022a46
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15
[INFO] [stderr]      6:     0x55cb7776f635 - std::sys_common::backtrace::_print::h7a0e44402913ba60
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x55cb7776f635 - std::sys_common::backtrace::print::h9767dc455a84e728
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x55cb7776f635 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x55cb7776f2e9 - std::panicking::default_hook::ha7b9bac6813f9d21
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x55cb7776fb82 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x55cb7776fa67 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x55cb7776e1e4 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x55cb7776f799 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x55cb77748453 - core::panicking::panic_fmt::h5c41cb2fa118fdbc
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14
[INFO] [stderr]     15:     0x55cb7774fea2 - build_script_build::main::{{closure}}::he154fc63e14db1a4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17
[INFO] [stderr]     16:     0x55cb7774ed79 - build_script_build::visit_xml::h84e90030192eaae2
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20:44
[INFO] [stderr]     17:     0x55cb7774f403 - build_script_build::main::h606d47f6dd6e086d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56:5
[INFO] [stderr]     18:     0x55cb7774b98b - core::ops::function::FnOnce::call_once::h5f52b93e1c073a38
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55cb7774d32e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb60723b30e9d32c9
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     20:     0x55cb7774aef1 - std::rt::lang_start::{{closure}}::hfa8516c197179a74
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x55cb7776862e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hae31cd38f966dcbc
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55cb7776862e - std::panicking::try::do_call::h4a4c12a32b804624
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40
[INFO] [stderr]     23:     0x55cb7776862e - std::panicking::try::h87f80f5db1929b60
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19
[INFO] [stderr]     24:     0x55cb7776862e - std::panic::catch_unwind::hbc53afd5a2bdc195
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14
[INFO] [stderr]     25:     0x55cb7776862e - std::rt::lang_start_internal::{{closure}}::h2e62ddd08385fac8
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x55cb7776862e - std::panicking::try::do_call::h04b85b79b362213e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40
[INFO] [stderr]     27:     0x55cb7776862e - std::panicking::try::h428fba6a4941d8ed
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19
[INFO] [stderr]     28:     0x55cb7776862e - std::panic::catch_unwind::hd73c90258412492e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14
[INFO] [stderr]     29:     0x55cb7776862e - std::rt::lang_start_internal::h26255896a96668b5
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x55cb7774aec0 - std::rt::lang_start::hcf0124bc97d41094
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x55cb7774feec - main
[INFO] [stderr]     32:     0x7f255aa1e0b3 - __libc_start_main
[INFO] [stderr]     33:     0x55cb7774864e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8f79cbc37a52777cc28c1144f7a6477623752d0d4386a629ed01279060687104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f79cbc37a52777cc28c1144f7a6477623752d0d4386a629ed01279060687104", kill_on_drop: false }`
[INFO] [stdout] 8f79cbc37a52777cc28c1144f7a6477623752d0d4386a629ed01279060687104