[INFO] cloning repository https://github.com/flatkvm/flatkvm
[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" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatkvm%2Fflatkvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatkvm%2Fflatkvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1159b35a62c0f7b96cd63098be23c418e30f6c6c
[INFO] checking flatkvm/flatkvm against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatkvm%2Fflatkvm" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/flatkvm/flatkvm
[INFO] finished tweaking git repo https://github.com/flatkvm/flatkvm
[INFO] tweaked toml for git repo https://github.com/flatkvm/flatkvm written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flatkvm/flatkvm on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/flatkvm/flatkvm 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libdbus-sys v0.1.5
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded serde_derive v1.0.88
[INFO] [stderr]   Downloaded dbus v0.6.4
[INFO] [stderr]   Downloaded serde v1.0.88
[INFO] [stderr]   Downloaded regex-syntax v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27970d28a79cbdd615bef6ac030254a7829c7339e8cafed097c6f0bf6b258673
[INFO] running `Command { std: "docker" "start" "-a" "27970d28a79cbdd615bef6ac030254a7829c7339e8cafed097c6f0bf6b258673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27970d28a79cbdd615bef6ac030254a7829c7339e8cafed097c6f0bf6b258673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27970d28a79cbdd615bef6ac030254a7829c7339e8cafed097c6f0bf6b258673", kill_on_drop: false }`
[INFO] [stdout] 27970d28a79cbdd615bef6ac030254a7829c7339e8cafed097c6f0bf6b258673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56ed725fc3ebb57a44bb5fadeaa7dfa13898284d6b38003cee05b4f9f7582fe9
[INFO] running `Command { std: "docker" "start" "-a" "56ed725fc3ebb57a44bb5fadeaa7dfa13898284d6b38003cee05b4f9f7582fe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling xcb v0.8.2 (https://github.com/flatkvm/rust-xcb#d7cb614a)
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking dbus v0.6.4
[INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2 (https://github.com/flatkvm/rust-xcb#d7cb614a)`
[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-644f5164fa6a7f3b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error occured in handler:  ('request: ', ('xcb', 'Render', 'CreateConicalGradient'))
[INFO] [stderr]   Traceback (most recent call last):
[INFO] [stderr]     File "/opt/rustwide/cargo-home/git/checkouts/rust-xcb-eb0956faecd4c71a/d7cb614/rs_client.py", line 2448, in <module>
[INFO] [stderr]       module.generate()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/git/checkouts/rust-xcb-eb0956faecd4c71a/d7cb614/xcbgen/state.py", line 108, in generate
[INFO] [stderr]       self.close()
[INFO] [stderr]     File "/opt/rustwide/cargo-home/git/checkouts/rust-xcb-eb0956faecd4c71a/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-eb0956faecd4c71a/d7cb614/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/git/checkouts/rust-xcb-eb0956faecd4c71a/d7cb614/src/ffi/render.rs'
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (239) panicked at /opt/rustwide/cargo-home/git/checkouts/rust-xcb-eb0956faecd4c71a/d7cb614/build.rs:75:17:
[INFO] [stderr]   processing of /opt/rustwide/cargo-home/git/checkouts/rust-xcb-eb0956faecd4c71a/d7cb614/xml/render.xml returned non-zero (1)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x573285f2e5f2 - std[7d609349af90bec6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x573285f2e5f2 - std[7d609349af90bec6]::backtrace_rs::backtrace::trace_unsynchronized::<std[7d609349af90bec6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x573285f2e5f2 - std[7d609349af90bec6]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x573285f2e5f2 - <<std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x573285f402ba - <core[75ca2badb63c4514]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x573285f402ba - core[75ca2badb63c4514]::fmt::write
[INFO] [stderr]      6:     0x573285f330c6 - std[7d609349af90bec6]::io::default_write_fmt::<std[7d609349af90bec6]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x573285f330c6 - <std[7d609349af90bec6]::sys::stdio::unix::Stderr as std[7d609349af90bec6]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x573285f1240f - <std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x573285f1240f - std[7d609349af90bec6]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x573285f2a241 - std[7d609349af90bec6]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x573285f2a3fb - std[7d609349af90bec6]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x573285f124c8 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x573285f0a0f9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace::<std[7d609349af90bec6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x573285f12d6d - __rustc[69841a6cbc58d81d]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x573285f4092c - core[75ca2badb63c4514]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x573285ef791b - build_script_build[a4df3b2fd6c1dd14]::main::{closure#0}
[INFO] [stderr]     17:     0x573285ef564d - build_script_build[a4df3b2fd6c1dd14]::visit_xml::<build_script_build[a4df3b2fd6c1dd14]::main::{closure#0}>
[INFO] [stderr]     18:     0x573285ef80ea - build_script_build[a4df3b2fd6c1dd14]::main
[INFO] [stderr]     19:     0x573285efaf63 - <fn() as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x573285ef6f26 - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x573285ef7409 - std[7d609349af90bec6]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x573285f293f6 - <&dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x573285f293f6 - std[7d609349af90bec6]::panicking::catch_unwind::do_call::<&dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x573285f293f6 - std[7d609349af90bec6]::panicking::catch_unwind::<i32, &dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x573285f293f6 - std[7d609349af90bec6]::panic::catch_unwind::<&dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x573285f293f6 - std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x573285f293f6 - std[7d609349af90bec6]::panicking::catch_unwind::do_call::<std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x573285f293f6 - std[7d609349af90bec6]::panicking::catch_unwind::<isize, std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x573285f293f6 - std[7d609349af90bec6]::panic::catch_unwind::<std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x573285f293f6 - std[7d609349af90bec6]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x573285ef6ea1 - std[7d609349af90bec6]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x573285efb2e5 - main
[INFO] [stderr]     33:     0x78e5e5c751ca - <unknown>
[INFO] [stderr]     34:     0x78e5e5c7528b - __libc_start_main
[INFO] [stderr]     35:     0x573285ef5085 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "56ed725fc3ebb57a44bb5fadeaa7dfa13898284d6b38003cee05b4f9f7582fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ed725fc3ebb57a44bb5fadeaa7dfa13898284d6b38003cee05b4f9f7582fe9", kill_on_drop: false }`
[INFO] [stdout] 56ed725fc3ebb57a44bb5fadeaa7dfa13898284d6b38003cee05b4f9f7582fe9