[INFO] cloning repository https://github.com/flatkvm/flatkvm-paste
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flatkvm/flatkvm-paste" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatkvm%2Fflatkvm-paste", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatkvm%2Fflatkvm-paste'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51dbd6408fb887faa375c775c226bbb55afbafba
[INFO] checking flatkvm/flatkvm-paste against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatkvm%2Fflatkvm-paste" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flatkvm/flatkvm-paste on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flatkvm/flatkvm-paste
[INFO] finished tweaking git repo https://github.com/flatkvm/flatkvm-paste
[INFO] tweaked toml for git repo https://github.com/flatkvm/flatkvm-paste written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/flatkvm/flatkvm-paste already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b39c6f96594f098ca67f8172ca5cba30c3fbac3cc1747ebfff972e8b9224d6e
[INFO] running `Command { std: "docker" "start" "-a" "9b39c6f96594f098ca67f8172ca5cba30c3fbac3cc1747ebfff972e8b9224d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b39c6f96594f098ca67f8172ca5cba30c3fbac3cc1747ebfff972e8b9224d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b39c6f96594f098ca67f8172ca5cba30c3fbac3cc1747ebfff972e8b9224d6e", kill_on_drop: false }`
[INFO] [stdout] 9b39c6f96594f098ca67f8172ca5cba30c3fbac3cc1747ebfff972e8b9224d6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3e207ddd6c5a377210c5dfe3ab9a2942643d589c48c6400c873bae647e8e36a
[INFO] running `Command { std: "docker" "start" "-a" "d3e207ddd6c5a377210c5dfe3ab9a2942643d589c48c6400c873bae647e8e36a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling xcb v0.8.2 (https://github.com/flatkvm/rust-xcb#d7cb614a)
[INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2 (https://github.com/flatkvm/rust-xcb#d7cb614a)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/xcb-44a1881e22416a95/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/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/rs_client.py", line 2448, in <module>
[INFO] [stderr]       module.generate()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/xcbgen/state.py", line 108, in generate
[INFO] [stderr]       self.close()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/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/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/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/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/src/ffi/sync.rs'
[INFO] [stderr]   thread 'main' panicked at 'processing of /opt/rustwide/cargo-home/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/xml/sync.xml returned non-zero (1)', /opt/rustwide/cargo-home/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/build.rs:75:17
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5592e13fd540 - std::backtrace_rs::backtrace::libunwind::trace::h0f5cd2ee8b0d7274
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5592e13fd540 - std::backtrace_rs::backtrace::trace_unsynchronized::h06905b5aeda069a1
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5592e13fd540 - std::sys_common::backtrace::_print_fmt::h4fe4c7c875072f30
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5592e13fd540 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcc0746f004a9b7ef
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5592e141a8bc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5592e13fb115 - std::io::Write::write_fmt::h23dab4cc9ce72ee2
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x5592e13ff32b - std::sys_common::backtrace::_print::h173dc702502d65d2
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5592e13ff32b - std::sys_common::backtrace::print::h61bd27c4742ba817
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5592e13ff32b - std::panicking::default_hook::{{closure}}::hcaae87f0495ae613
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5592e13fee01 - std::panicking::default_hook::h0538e728ee080db0
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5592e13ff9f4 - std::panicking::rust_panic_with_hook::h3039e236b6ca482c
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5592e13ff4d7 - std::panicking::begin_panic_handler::{{closure}}::h884fbab544ffd91c
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x5592e13fda3c - std::sys_common::backtrace::__rust_end_short_backtrace::hdaf2e18ba3d91210
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5592e13ff439 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x5592e13dfbbb - std::panicking::begin_panic_fmt::h34884936c58ac1e4
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:457:5
[INFO] [stderr]     15:     0x5592e13e3719 - build_script_build::main::{{closure}}::hc8f215dfeb531aa7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/build.rs:75:17
[INFO] [stderr]     16:     0x5592e13e2310 - build_script_build::visit_xml::hb773976faebaf1f5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/build.rs:20:44
[INFO] [stderr]     17:     0x5592e13e2aa0 - build_script_build::main::hc5abd3b2d5141fb5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/build.rs:56:5
[INFO] [stderr]     18:     0x5592e13e7f5b - core::ops::function::FnOnce::call_once::h11f5401a3e515ca1
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5592e13e387e - std::sys_common::backtrace::__rust_begin_short_backtrace::h18dd7a2fe8d18245
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x5592e13e7331 - std::rt::lang_start::{{closure}}::h07e3ef20e22d0d5d
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x5592e13ffefa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h61bcc1dec5918b7e
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5592e13ffefa - std::panicking::try::do_call::h672d24f85ce22db4
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x5592e13ffefa - std::panicking::try::he383e7ef11604e58
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x5592e13ffefa - std::panic::catch_unwind::h502ac6058961e393
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x5592e13ffefa - std::rt::lang_start_internal::{{closure}}::h851ee37bb5d99fdf
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x5592e13ffefa - std::panicking::try::do_call::h84f41bb3453bbd14
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x5592e13ffefa - std::panicking::try::h969c45dbbf2e4c94
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x5592e13ffefa - std::panic::catch_unwind::he40b1a4614f73e03
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x5592e13ffefa - std::rt::lang_start_internal::h0fbab25cccdb30d8
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x5592e13e7300 - std::rt::lang_start::hbda4aa66dfa8d9d6
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x5592e13e377c - main
[INFO] [stderr]     32:     0x7f37191360b3 - __libc_start_main
[INFO] [stderr]     33:     0x5592e13e095e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d3e207ddd6c5a377210c5dfe3ab9a2942643d589c48c6400c873bae647e8e36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e207ddd6c5a377210c5dfe3ab9a2942643d589c48c6400c873bae647e8e36a", kill_on_drop: false }`
[INFO] [stdout] d3e207ddd6c5a377210c5dfe3ab9a2942643d589c48c6400c873bae647e8e36a