[INFO] fetching crate unixbar 0.1.3...
[INFO] checking unixbar-0.1.3 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate unixbar 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate unixbar 0.1.3 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] [stderr]   Downloaded tap v1.0.1
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded chan v0.1.23
[INFO] [stderr]   Downloaded dbus v0.5.4
[INFO] [stderr]   Downloaded libdbus-sys v0.1.5
[INFO] [stderr]   Downloaded systemstat v0.1.7
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] [stderr]   Downloaded bitvec v0.19.5
[INFO] [stderr]   Downloaded nom v6.1.2
[INFO] [stderr]   Downloaded alsa v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a46fa449f28dd45b68143336083c2cced6dcdb2150e41093dd1b40ee3432b943
[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" "a46fa449f28dd45b68143336083c2cced6dcdb2150e41093dd1b40ee3432b943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a46fa449f28dd45b68143336083c2cced6dcdb2150e41093dd1b40ee3432b943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46fa449f28dd45b68143336083c2cced6dcdb2150e41093dd1b40ee3432b943", kill_on_drop: false }`
[INFO] [stdout] a46fa449f28dd45b68143336083c2cced6dcdb2150e41093dd1b40ee3432b943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 469b570e3698d432e36024bae02c8d6780c55158121cadc9d67a286b8ee9e0c9
[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" "469b570e3698d432e36024bae02c8d6780c55158121cadc9d67a286b8ee9e0c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling unixbar v0.1.3 (/opt/rustwide/workdir)
[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 rand v0.3.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[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-f26ec3687da0ef18/build-script-build` (exit status: 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:     0x557c42f339b0 - std::backtrace_rs::backtrace::libunwind::trace::h247d9dc800afe0ad
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x557c42f339b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h9a4153306adf486c
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x557c42f339b0 - std::sys_common::backtrace::_print_fmt::h1ac8daa5000ee24c
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x557c42f339b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h22a8e55d2cc5363a
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x557c42f515cf - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x557c42f31485 - std::io::Write::write_fmt::h441a47830651073b
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/io/mod.rs:1580:15
[INFO] [stderr]      6:     0x557c42f3568b - std::sys_common::backtrace::_print::hd1e0ee1c195f9f05
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x557c42f3568b - std::sys_common::backtrace::print::h7d1098def5c25d20
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x557c42f3568b - std::panicking::default_hook::{{closure}}::h484b8b15967e42c8
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x557c42f3516d - std::panicking::default_hook::h82c79ca49716b79d
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x557c42f35c3d - std::panicking::rust_panic_with_hook::h6df253a3c973d6b6
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x557c42f35837 - std::panicking::begin_panic_handler::{{closure}}::hc6a4120674935ea3
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x557c42f33e6c - std::sys_common::backtrace::__rust_end_short_backtrace::h9b5f057c8351b0b1
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x557c42f35799 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x557c42f159bb - std::panicking::begin_panic_fmt::hf021b7eb1c320697
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:435:5
[INFO] [stderr]     15:     0x557c42f1c4f4 - build_script_build::main::{{closure}}::hc20f8523f47999c7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17
[INFO] [stderr]     16:     0x557c42f1b085 - build_script_build::visit_xml::h6105a684bac37a53
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20:44
[INFO] [stderr]     17:     0x557c42f1b863 - build_script_build::main::he98c46472ac5bf85
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56:5
[INFO] [stderr]     18:     0x557c42f191cb - core::ops::function::FnOnce::call_once::h82dc96c71ccc2e13
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x557c42f1a02e - std::sys_common::backtrace::__rust_begin_short_backtrace::h91f21cfc673b82bf
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x557c42f1e341 - std::rt::lang_start::{{closure}}::hc319b688840c673c
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x557c42f3603a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h98fbc5823393ca6f
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x557c42f3603a - std::panicking::try::do_call::h210d0709dd1d5fd6
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x557c42f3603a - std::panicking::try::hc60c2c01c5cf7473
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x557c42f3603a - std::panic::catch_unwind::h7480a56877b30ca9
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x557c42f3603a - std::rt::lang_start_internal::he77194431b0ee4a2
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x557c42f1e320 - std::rt::lang_start::he0f11aa8e43c1b53
[INFO] [stderr]                                  at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x557c42f1c5fc - main
[INFO] [stderr]     28:     0x7f45cdfac0b3 - __libc_start_main
[INFO] [stderr]     29:     0x557c42f166ee - _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" "469b570e3698d432e36024bae02c8d6780c55158121cadc9d67a286b8ee9e0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469b570e3698d432e36024bae02c8d6780c55158121cadc9d67a286b8ee9e0c9", kill_on_drop: false }`
[INFO] [stdout] 469b570e3698d432e36024bae02c8d6780c55158121cadc9d67a286b8ee9e0c9