[INFO] cloning repository https://github.com/tehAnswer/quuid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tehAnswer/quuid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtehAnswer%2Fquuid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtehAnswer%2Fquuid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 934624855e588964d53008d0885b19ec7a0f356a
[INFO] checking tehAnswer/quuid against master#9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtehAnswer%2Fquuid" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tehAnswer/quuid on toolchain 9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tehAnswer/quuid
[INFO] finished tweaking git repo https://github.com/tehAnswer/quuid
[INFO] tweaked toml for git repo https://github.com/tehAnswer/quuid written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tehAnswer/quuid 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" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11-clipboard v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8efd950010c94b755b5ed983ba69db030b7bb33f01e0d8ab8a44a9b9d8c2dd00
[INFO] running `Command { std: "docker" "start" "-a" "8efd950010c94b755b5ed983ba69db030b7bb33f01e0d8ab8a44a9b9d8c2dd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8efd950010c94b755b5ed983ba69db030b7bb33f01e0d8ab8a44a9b9d8c2dd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8efd950010c94b755b5ed983ba69db030b7bb33f01e0d8ab8a44a9b9d8c2dd00", kill_on_drop: false }`
[INFO] [stdout] 8efd950010c94b755b5ed983ba69db030b7bb33f01e0d8ab8a44a9b9d8c2dd00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f58a8aace1261e45ab3d4e19c489d1b0f9ee78bde3a8fe63d88282fdcf6d9e68
[INFO] running `Command { std: "docker" "start" "-a" "f58a8aace1261e45ab3d4e19c489d1b0f9ee78bde3a8fe63d88282fdcf6d9e68", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[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-0bb6d41eaf37c611/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error occured in handler:  ('request: ', ('xcb', 'Xinerama', 'QueryScreens'))
[INFO] [stderr]   Traceback (most recent call last):
[INFO] [stderr]     File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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/index.crates.io-6f17d22bba15001f/xcb-0.8.2/src/ffi/xinerama.rs'
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/build.rs:75:17:
[INFO] [stderr]   processing of /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/xml/xinerama.xml returned non-zero (1)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55c7af30fe55 - std::backtrace_rs::backtrace::libunwind::trace::hcc63b0f2331727e2
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x55c7af30fe55 - std::backtrace_rs::backtrace::trace_unsynchronized::h14c962ba71d6cff4
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55c7af30fe55 - std::sys_common::backtrace::_print_fmt::h7cd5535e19233646
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55c7af30fe55 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcf2c69794bc9381e
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55c7af3308bb - core::fmt::rt::Argument::fmt::h63f2e072632f33f3
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x55c7af3308bb - core::fmt::write::hd9083e94e0cfaf80
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/core/src/fmt/mod.rs:1157:21
[INFO] [stderr]      6:     0x55c7af30db6f - std::io::Write::write_fmt::h6720e5b885213554
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/io/mod.rs:1832:15
[INFO] [stderr]      7:     0x55c7af30fc2e - std::sys_common::backtrace::_print::ha4326e50102eba86
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55c7af30fc2e - std::sys_common::backtrace::print::h27d7b074821cee6f
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55c7af311089 - std::panicking::default_hook::{{closure}}::h02f488e9ce0989c3
[INFO] [stderr]     10:     0x55c7af310dcd - std::panicking::default_hook::h6ee36a98a63f6326
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/panicking.rs:291:9
[INFO] [stderr]     11:     0x55c7af311523 - std::panicking::rust_panic_with_hook::hf366412d36e22e37
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/panicking.rs:788:13
[INFO] [stderr]     12:     0x55c7af311404 - std::panicking::begin_panic_handler::{{closure}}::hbbb76e4bdc687d49
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55c7af310319 - std::sys_common::backtrace::__rust_end_short_backtrace::h9b2f849018d1d649
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55c7af311137 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55c7af2e9fd3 - core::panicking::panic_fmt::he3e69656f3962df3
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55c7af2f0124 - build_script_build::main::{{closure}}::h7ebaaddede215238
[INFO] [stderr]     17:     0x55c7af2eed46 - build_script_build::visit_xml::hc00c601c1c502ea4
[INFO] [stderr]     18:     0x55c7af2ef66c - build_script_build::main::hac6614af1638b147
[INFO] [stderr]     19:     0x55c7af2ebbb3 - core::ops::function::FnOnce::call_once::h4e53abb67f53ae85
[INFO] [stderr]     20:     0x55c7af2ea9c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1e95853fdf3247fc
[INFO] [stderr]     21:     0x55c7af2eb319 - std::rt::lang_start::{{closure}}::h04c4448baf7af4a8
[INFO] [stderr]     22:     0x55c7af30ab36 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hf2846e5bd1a70a70
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x55c7af30ab36 - std::panicking::try::do_call::h72ccb47bce7a2469
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x55c7af30ab36 - std::panicking::try::h428176f7e74f0d55
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x55c7af30ab36 - std::panic::catch_unwind::hb60ed866f45ac64f
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/panic.rs:149:14
[INFO] [stderr]     26:     0x55c7af30ab36 - std::rt::lang_start_internal::{{closure}}::h3059f65dbecd5550
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/rt.rs:141:48
[INFO] [stderr]     27:     0x55c7af30ab36 - std::panicking::try::do_call::h6cd1e97b5ead36d3
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x55c7af30ab36 - std::panicking::try::hcb3828570f328a40
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x55c7af30ab36 - std::panic::catch_unwind::hbea66ce8902a8f58
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/panic.rs:149:14
[INFO] [stderr]     30:     0x55c7af30ab36 - std::rt::lang_start_internal::h960a048078d6d02c
[INFO] [stderr]                                  at /rustc/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/library/std/src/rt.rs:141:20
[INFO] [stderr]     31:     0x55c7af2eb2f7 - std::rt::lang_start::h2844753355ae11fd
[INFO] [stderr]     32:     0x55c7af2f01a5 - main
[INFO] [stderr]     33:     0x7f2cd3f10d90 - <unknown>
[INFO] [stderr]     34:     0x7f2cd3f10e40 - __libc_start_main
[INFO] [stderr]     35:     0x55c7af2ea5c5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f58a8aace1261e45ab3d4e19c489d1b0f9ee78bde3a8fe63d88282fdcf6d9e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58a8aace1261e45ab3d4e19c489d1b0f9ee78bde3a8fe63d88282fdcf6d9e68", kill_on_drop: false }`
[INFO] [stdout] f58a8aace1261e45ab3d4e19c489d1b0f9ee78bde3a8fe63d88282fdcf6d9e68
[INFO] checking tehAnswer/quuid against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtehAnswer%2Fquuid" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tehAnswer/quuid on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tehAnswer/quuid
[INFO] finished tweaking git repo https://github.com/tehAnswer/quuid
[INFO] tweaked toml for git repo https://github.com/tehAnswer/quuid written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tehAnswer/quuid 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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking tehAnswer/quuid against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtehAnswer%2Fquuid" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: unable to write new index file
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking tehAnswer/quuid against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtehAnswer%2Fquuid" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/main.rs
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking tehAnswer/quuid against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtehAnswer%2Fquuid" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/main.rs
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking tehAnswer/quuid against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtehAnswer%2Fquuid" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-4-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.fetch' to '+refs/heads/*:refs/remotes/origin/*'
[INFO] [stderr] fatal: the remote end hung up unexpectedly
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/tehAnswer/quuid
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.