[INFO] fetching crate unixbar 0.1.3...
[INFO] checking unixbar-0.1.3 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate unixbar 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate unixbar 0.1.3 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unixbar 0.1.3
[INFO] finished tweaking crates.io crate unixbar 0.1.3
[INFO] tweaked toml for crates.io crate unixbar 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded libdbus-sys v0.1.5
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] [stderr]   Downloaded alsa v0.1.10
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded dbus v0.5.4
[INFO] [stderr]   Downloaded nom v6.1.0
[INFO] [stderr]   Downloaded chan v0.1.23
[INFO] [stderr]   Downloaded systemstat v0.1.6
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 85d5cf9600df36149d1314a1bbc6c314d6d5e72dd28264839477bf799d48b254
[INFO] running `Command { std: "docker" "start" "-a" "85d5cf9600df36149d1314a1bbc6c314d6d5e72dd28264839477bf799d48b254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d5cf9600df36149d1314a1bbc6c314d6d5e72dd28264839477bf799d48b254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d5cf9600df36149d1314a1bbc6c314d6d5e72dd28264839477bf799d48b254", kill_on_drop: false }`
[INFO] [stdout] 85d5cf9600df36149d1314a1bbc6c314d6d5e72dd28264839477bf799d48b254
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47f1996615a436b019901a74e31c85bc7a2b70fc58c132310f144cf5efa853bd
[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" "47f1996615a436b019901a74e31c85bc7a2b70fc58c132310f144cf5efa853bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling unixbar v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking dbus v0.5.4
[INFO] [stderr]     Checking alsa v0.1.10
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]    Compiling syn v1.0.60
[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-09816f7c6513f354/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error occured in handler:  ('request: ', ('xcb', 'Composite', 'ReleaseOverlayWindow'))
[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/composite.rs'
[INFO] [stderr]   thread 'main' panicked at 'processing of /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xml/composite.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:     0x55728b27e280 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55728b27e280 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55728b27e280 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55728b27e280 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd8c307a38b9bab04
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55728b298e6c - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/fmt/mod.rs:1096:17
[INFO] [stderr]      5:     0x55728b27b412 - std::io::Write::write_fmt::hab90295d5a0f197d
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x55728b280085 - std::sys_common::backtrace::_print::h19224910b8700cf1
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55728b280085 - std::sys_common::backtrace::print::h25dedfa68c5fb84a
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55728b280085 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55728b27fbe3 - std::panicking::default_hook::he65cee71c4209f0c
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55728b280821 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55728b280367 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55728b27e71c - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55728b2802c9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55728b28027b - std::panicking::begin_panic_fmt::h12277576db89392f
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:435:5
[INFO] [stderr]     15:     0x55728b258d20 - build_script_build::main::{{closure}}::h2bf8abd0e3dac586
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17
[INFO] [stderr]     16:     0x55728b2579a1 - build_script_build::visit_xml::ha7928eb42acf9a4d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20:44
[INFO] [stderr]     17:     0x55728b25811f - build_script_build::main::h747376cecdadb6af
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56:5
[INFO] [stderr]     18:     0x55728b25e0fb - core::ops::function::FnOnce::call_once::he9d1d9340cc5d748
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55728b25d14e - std::sys_common::backtrace::__rust_begin_short_backtrace::hebff454e15e4126d
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55728b25aeb1 - std::rt::lang_start::{{closure}}::h9ccaa7bbfe633a60
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55728b280c47 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2c4fd7d4128112a8
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55728b280c47 - std::panicking::try::do_call::h41fb7dbbbe7bece6
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55728b280c47 - std::panicking::try::hd38008ccba72bce1
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55728b280c47 - std::panic::catch_unwind::h057e765cd60f2d13
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x55728b280c47 - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55728b25ae87 - std::rt::lang_start::h2e03a04baa08043f
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55728b258e1a - main
[INFO] [stderr]     28:     0x7f42a80a90b3 - __libc_start_main
[INFO] [stderr]     29:     0x55728b2570ae - _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" "47f1996615a436b019901a74e31c85bc7a2b70fc58c132310f144cf5efa853bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f1996615a436b019901a74e31c85bc7a2b70fc58c132310f144cf5efa853bd", kill_on_drop: false }`
[INFO] [stdout] 47f1996615a436b019901a74e31c85bc7a2b70fc58c132310f144cf5efa853bd