[INFO] cloning repository https://github.com/exohuman/gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exohuman/gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexohuman%2Fgui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexohuman%2Fgui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0a82577b7ef3c4b9056d7806624751377fb5c93
[INFO] checking exohuman/gui against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexohuman%2Fgui" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/exohuman/gui
[INFO] finished tweaking git repo https://github.com/exohuman/gui
[INFO] tweaked toml for git repo https://github.com/exohuman/gui written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/exohuman/gui on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/exohuman/gui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61bae31d88202698935917518385bc7b9e5545cf4f17c1916513df0f0c8262d2
[INFO] running `Command { std: "docker" "start" "-a" "61bae31d88202698935917518385bc7b9e5545cf4f17c1916513df0f0c8262d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61bae31d88202698935917518385bc7b9e5545cf4f17c1916513df0f0c8262d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61bae31d88202698935917518385bc7b9e5545cf4f17c1916513df0f0c8262d2", kill_on_drop: false }`
[INFO] [stdout] 61bae31d88202698935917518385bc7b9e5545cf4f17c1916513df0f0c8262d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdb74d06ef0f52646a61b2f99d88fca60e2e52f7896705cf26856e91b7a4171b
[INFO] running `Command { std: "docker" "start" "-a" "bdb74d06ef0f52646a61b2f99d88fca60e2e52f7896705cf26856e91b7a4171b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/xcb-a96921ce2da7c9be/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error occured in handler:  ('request: ', ('xcb', 'BigRequests', 'Enable'))
[INFO] [stderr]   Traceback (most recent call last):
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/rs_client.py", line 2448, in <module>
[INFO] [stderr]       module.generate()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/xcbgen/state.py", line 108, in generate
[INFO] [stderr]       self.close()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/rs_client.py", line 114, in writeout
[INFO] [stderr]       with open(path, 'w') as f:
[INFO] [stderr]            ^^^^^^^^^^^^^^^
[INFO] [stderr]   OSError: [Errno 30] Read-only file system: '/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/src/ffi/big_requests.rs'
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (136) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/build.rs:75:17:
[INFO] [stderr]   processing of /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xcb-0.8.2/xml/bigreq.xml returned non-zero (1)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x63907a14dc12 - std[92507fd11fb02705]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x63907a14dc12 - std[92507fd11fb02705]::backtrace_rs::backtrace::trace_unsynchronized::<std[92507fd11fb02705]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x63907a14dc12 - std[92507fd11fb02705]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/sys/backtrace.rs:68:9
[INFO] [stderr]      3:     0x63907a14dc12 - <<std[92507fd11fb02705]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[922c666444452093]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/sys/backtrace.rs:38:26
[INFO] [stderr]      4:     0x63907a15f787 - <core[922c666444452093]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x63907a15f787 - core[922c666444452093]::fmt::write
[INFO] [stderr]      6:     0x63907a1526f6 - std[92507fd11fb02705]::io::default_write_fmt::<std[92507fd11fb02705]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/io/mod.rs:614:11
[INFO] [stderr]      7:     0x63907a1526f6 - <std[92507fd11fb02705]::sys::stdio::unix::Stderr as std[92507fd11fb02705]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/io/mod.rs:1969:13
[INFO] [stderr]      8:     0x63907a131cbf - <std[92507fd11fb02705]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/sys/backtrace.rs:41:9
[INFO] [stderr]      9:     0x63907a131cbf - std[92507fd11fb02705]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x63907a149851 - std[92507fd11fb02705]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x63907a149a0b - std[92507fd11fb02705]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x63907a131d78 - std[92507fd11fb02705]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x63907a129919 - std[92507fd11fb02705]::sys::backtrace::__rust_end_short_backtrace::<std[92507fd11fb02705]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/sys/backtrace.rs:176:18
[INFO] [stderr]     14:     0x63907a1326dd - __rustc[38111b44b8b393d5]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x63907a15fdcc - core[922c666444452093]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x63907a1172fb - build_script_build[ec976c59b8b80a6]::main::{closure#0}
[INFO] [stderr]     17:     0x63907a11503d - build_script_build[ec976c59b8b80a6]::visit_xml::<build_script_build[ec976c59b8b80a6]::main::{closure#0}>
[INFO] [stderr]     18:     0x63907a117aca - build_script_build[ec976c59b8b80a6]::main
[INFO] [stderr]     19:     0x63907a11a7a3 - <fn() as core[922c666444452093]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x63907a116916 - std[92507fd11fb02705]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x63907a116de9 - std[92507fd11fb02705]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x63907a148a06 - <&dyn core[922c666444452093]::ops::function::Fn<(), Output = i32> + core[922c666444452093]::panic::unwind_safe::RefUnwindSafe + core[922c666444452093]::marker::Sync as core[922c666444452093]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x63907a148a06 - std[92507fd11fb02705]::panicking::catch_unwind::do_call::<&dyn core[922c666444452093]::ops::function::Fn<(), Output = i32> + core[922c666444452093]::panic::unwind_safe::RefUnwindSafe + core[922c666444452093]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x63907a148a06 - std[92507fd11fb02705]::panicking::catch_unwind::<i32, &dyn core[922c666444452093]::ops::function::Fn<(), Output = i32> + core[922c666444452093]::panic::unwind_safe::RefUnwindSafe + core[922c666444452093]::marker::Sync>
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x63907a148a06 - std[92507fd11fb02705]::panic::catch_unwind::<&dyn core[922c666444452093]::ops::function::Fn<(), Output = i32> + core[922c666444452093]::panic::unwind_safe::RefUnwindSafe + core[922c666444452093]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x63907a148a06 - std[92507fd11fb02705]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x63907a148a06 - std[92507fd11fb02705]::panicking::catch_unwind::do_call::<std[92507fd11fb02705]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x63907a148a06 - std[92507fd11fb02705]::panicking::catch_unwind::<isize, std[92507fd11fb02705]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x63907a148a06 - std[92507fd11fb02705]::panic::catch_unwind::<std[92507fd11fb02705]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x63907a148a06 - std[92507fd11fb02705]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/db4e1d23234d93b5e96ecc768b35d9090c32cddf/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x63907a116891 - std[92507fd11fb02705]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x63907a11ab25 - main
[INFO] [stderr]     33:     0x7cb4354ff1ca - <unknown>
[INFO] [stderr]     34:     0x7cb4354ff28b - __libc_start_main
[INFO] [stderr]     35:     0x63907a114a75 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "bdb74d06ef0f52646a61b2f99d88fca60e2e52f7896705cf26856e91b7a4171b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb74d06ef0f52646a61b2f99d88fca60e2e52f7896705cf26856e91b7a4171b", kill_on_drop: false }`
[INFO] [stdout] bdb74d06ef0f52646a61b2f99d88fca60e2e52f7896705cf26856e91b7a4171b