[INFO] cloning repository https://github.com/flatkvm/flatkvm-agent
[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-agent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatkvm%2Fflatkvm-agent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatkvm%2Fflatkvm-agent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e149418515290ba6f22750ff76e744f07240b038
[INFO] testing flatkvm/flatkvm-agent against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatkvm%2Fflatkvm-agent" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flatkvm/flatkvm-agent on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flatkvm/flatkvm-agent
[INFO] finished tweaking git repo https://github.com/flatkvm/flatkvm-agent
[INFO] tweaked toml for git repo https://github.com/flatkvm/flatkvm-agent written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/flatkvm/flatkvm-qemu`
[INFO] [stderr]     Updating git repository `https://github.com/flatkvm/x11-clipboard`
[INFO] [stderr]     Updating git repository `https://github.com/flatkvm/qapi-rs`
[INFO] [stderr]     Updating git repository `https://github.com/flatkvm/rust-xcb`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c3c4fa08fc2e5cff3696f4613f916d0e9b0b645b5982ba8facb07079728088f
[INFO] running `Command { std: "docker" "start" "-a" "0c3c4fa08fc2e5cff3696f4613f916d0e9b0b645b5982ba8facb07079728088f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c3c4fa08fc2e5cff3696f4613f916d0e9b0b645b5982ba8facb07079728088f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3c4fa08fc2e5cff3696f4613f916d0e9b0b645b5982ba8facb07079728088f", kill_on_drop: false }`
[INFO] [stdout] 0c3c4fa08fc2e5cff3696f4613f916d0e9b0b645b5982ba8facb07079728088f
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1242ac054290f89ab613b775ecef2ce1005b684f1d812e53c04f35d4f9451e2a
[INFO] running `Command { std: "docker" "start" "-a" "1242ac054290f89ab613b775ecef2ce1005b684f1d812e53c04f35d4f9451e2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling xcb v0.8.2 (https://github.com/flatkvm/rust-xcb#d7cb614a)
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling udev v0.2.0
[INFO] [stderr]    Compiling term v0.5.2
[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-3d1bbe3421d6b6d6/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:     0x55bdcd09a580 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55bdcd09a580 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55bdcd09a580 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55bdcd09a580 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h767e17e1aa7df6a8
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55bdcd0b78dc - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55bdcd098155 - std::io::Write::write_fmt::h4c802b6f761026c1
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55bdcd09c35b - std::sys_common::backtrace::_print::h2769edb26a7eb606
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55bdcd09c35b - std::sys_common::backtrace::print::ha71f3549862b4cb6
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55bdcd09c35b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55bdcd09be31 - std::panicking::default_hook::h290aa602c0fb11df
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55bdcd09ca01 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55bdcd09c507 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55bdcd09aa5c - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55bdcd09c469 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55bdcd07cbcb - std::panicking::begin_panic_fmt::hdc39c0cc0031e534
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:457:5
[INFO] [stderr]     15:     0x55bdcd0837a9 - build_script_build::main::{{closure}}::hd17a60be4a187860
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/build.rs:75:17
[INFO] [stderr]     16:     0x55bdcd0823a0 - build_script_build::visit_xml::h2d45706d1deb90fd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/build.rs:20:44
[INFO] [stderr]     17:     0x55bdcd082b30 - build_script_build::main::h420365f34fe44980
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rust-xcb-9e5ec3ffdc1c7df2/d7cb614/build.rs:56:5
[INFO] [stderr]     18:     0x55bdcd08023b - core::ops::function::FnOnce::call_once::hc582f5ee708d206b
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55bdcd07fbbe - std::sys_common::backtrace::__rust_begin_short_backtrace::hdd390b13472dbf47
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55bdcd0851a1 - std::rt::lang_start::{{closure}}::hb54a606606195be8
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x55bdcd09cef9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h04259e4a34d07c2f
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55bdcd09cef9 - std::panicking::try::do_call::hb8da45704d5cfbbf
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x55bdcd09cef9 - std::panicking::try::h4beadc19a78fec52
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x55bdcd09cef9 - std::panic::catch_unwind::hc58016cd36ba81a4
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14
[INFO] [stderr]     25:     0x55bdcd09cef9 - std::rt::lang_start_internal::hc51399759a90501a
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x55bdcd085180 - std::rt::lang_start::hfec12fdaccd4f36c
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x55bdcd08380c - main
[INFO] [stderr]     28:     0x7fe1264050b3 - __libc_start_main
[INFO] [stderr]     29:     0x55bdcd07d96e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1242ac054290f89ab613b775ecef2ce1005b684f1d812e53c04f35d4f9451e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1242ac054290f89ab613b775ecef2ce1005b684f1d812e53c04f35d4f9451e2a", kill_on_drop: false }`
[INFO] [stdout] 1242ac054290f89ab613b775ecef2ce1005b684f1d812e53c04f35d4f9451e2a