[INFO] cloning repository https://github.com/danbruce/i3-tracker-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danbruce/i3-tracker-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruce%2Fi3-tracker-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruce%2Fi3-tracker-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb760c1974fc03752be71a2f029eb4520ada03d1
[INFO] checking danbruce/i3-tracker-rs against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruce%2Fi3-tracker-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danbruce/i3-tracker-rs on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danbruce/i3-tracker-rs
[INFO] finished tweaking git repo https://github.com/danbruce/i3-tracker-rs
[INFO] tweaked toml for git repo https://github.com/danbruce/i3-tracker-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/danbruce/i3-tracker-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 889325c6eaf30628622275cdcae9befb7f0136df6453e393aa665603d6324a9c
[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" "889325c6eaf30628622275cdcae9befb7f0136df6453e393aa665603d6324a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "889325c6eaf30628622275cdcae9befb7f0136df6453e393aa665603d6324a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889325c6eaf30628622275cdcae9befb7f0136df6453e393aa665603d6324a9c", kill_on_drop: false }`
[INFO] [stdout] 889325c6eaf30628622275cdcae9befb7f0136df6453e393aa665603d6324a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 767693e2861052f9ade1a1b352ffaddc447d905431b92a9487a62afa4411d442
[INFO] running `Command { std: "docker" "start" "-a" "767693e2861052f9ade1a1b352ffaddc447d905431b92a9487a62afa4411d442", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking serde v1.0.33
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num v0.1.42
[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-5dfdfb09dae28283/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:     0x557b9c50ac90 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x557b9c50ac90 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x557b9c50ac90 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x557b9c50ac90 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb0ad78ee1571f7e0
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x557b9c52786c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x557b9c5083c2 - std::io::Write::write_fmt::hf7b7d7b243f84a36
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x557b9c50cefd - std::sys_common::backtrace::_print::hd093978a5287b8ff
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x557b9c50cefd - std::sys_common::backtrace::print::h20f46787581d56d7
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x557b9c50cefd - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x557b9c50cba8 - std::panicking::default_hook::h4190c9e3edd4d591
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x557b9c50d581 - std::panicking::rust_panic_with_hook::h72e78719cdda225c
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x557b9c50d129 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x557b9c50b11c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x557b9c50d0e9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x557b9c50d09b - std::panicking::begin_panic_fmt::hc19e75fd2b7bc39b
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:437
[INFO] [stderr]     15:     0x557b9c4ebdb3 - build_script_build::main::{{closure}}::h931677e0f137ce27
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75
[INFO] [stderr]     16:     0x557b9c4ea9fc - build_script_build::visit_xml::he152011a00d15e95
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20
[INFO] [stderr]     17:     0x557b9c4eb18d - build_script_build::main::h12bdc8a05c62de92
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56
[INFO] [stderr]     18:     0x557b9c4f074b - core::ops::function::FnOnce::call_once::h292cfda011c0b1c2
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x557b9c4ee4ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h56d96383c5c6ff2a
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x557b9c4ed291 - std::rt::lang_start::{{closure}}::h202f5e056530517f
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x557b9c50d9a7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e15f43ce28787f7
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x557b9c50d9a7 - std::panicking::try::do_call::h764f1891769113e9
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x557b9c50d9a7 - std::panicking::try::h0f2fe4fdd5e0ad19
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x557b9c50d9a7 - std::panic::catch_unwind::h1634e40dd3a19f80
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x557b9c50d9a7 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x557b9c4ed267 - std::rt::lang_start::h704bf043eebacf7c
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x557b9c4ebe6a - main
[INFO] [stderr]     28:     0x7fc4c0de20b3 - __libc_start_main
[INFO] [stderr]     29:     0x557b9c4ea0ae - _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" "767693e2861052f9ade1a1b352ffaddc447d905431b92a9487a62afa4411d442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767693e2861052f9ade1a1b352ffaddc447d905431b92a9487a62afa4411d442", kill_on_drop: false }`
[INFO] [stdout] 767693e2861052f9ade1a1b352ffaddc447d905431b92a9487a62afa4411d442