[INFO] updating cached repository https://github.com/rchaser53/llvm-rust-playground
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cd94437b3a865f14cd59ae781dac15cd7ea718a
[INFO] checking rchaser53/llvm-rust-playground against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fllvm-rust-playground" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/llvm-rust-playground on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rchaser53/llvm-rust-playground
[INFO] finished tweaking git repo https://github.com/rchaser53/llvm-rust-playground
[INFO] tweaked toml for git repo https://github.com/rchaser53/llvm-rust-playground written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rchaser53/llvm-rust-playground already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f6c56b3f1d016c69aa793eef3e155920b4b7fe3abd3d529445d4d061bc7607c
[INFO] running `"docker" "start" "-a" "8f6c56b3f1d016c69aa793eef3e155920b4b7fe3abd3d529445d4d061bc7607c"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling llvm-rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.6.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.27
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling llvm-sys v60.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling cargo_metadata v0.6.0
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling rustc-llvm-proxy v0.1.3
[INFO] [stderr] error: failed to run custom build command for `rustc-llvm-proxy v0.1.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc-llvm-proxy-a373737c51d0c14a/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=build.rs
[INFO] [stderr] cargo:rerun-if-changed=/opt/rustwide/target/debug/build/rustc-llvm-proxy-256f91b5aa450a5f/out/llvm_gen.rs
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Unable to parse 'llvm-sys' crate: ErrorMessage { msg: "Unable to get crate metadata" }
[INFO] [stderr] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5605214a1643 - backtrace::backtrace::libunwind::trace::hdbe1f1b92aca37aa
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/libunwind.rs:53
[INFO] [stderr]                          - backtrace::backtrace::trace::h187a14d35c0c6fe6
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x56052149ce33 - backtrace::capture::Backtrace::new_unresolved::hff1617898fe38e03
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x56052123dccf - failure::backtrace::internal::InternalBacktrace::new::hc1bd7c595bb6c714
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x56052123caec - failure::backtrace::Backtrace::new::he2c0c8c8e7ee39ce
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x56052121043b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::ha1e31c92c4f335fb
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error/error_impl.rs:20
[INFO] [stderr]    5:     0x56052120ae17 - <failure::error::Error as core::convert::From<F>>::from::hbc10f6aa0e324f61
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error/mod.rs:36
[INFO] [stderr]    6:     0x56052120bc05 - failure::error_message::err_msg::heb1febcfedc2d880
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error_message.rs:12
[INFO] [stderr]    7:     0x56052120dc15 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h6f0202c4eae1f5b9
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:95
[INFO] [stderr]    8:     0x5605212331fc - core::result::Result<T,E>::map_err::he7d6b2c6d26f2fb6
[INFO] [stderr]                         at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libcore/result.rs:612
[INFO] [stderr]    9:     0x56052120ca19 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h713c765b7c838424
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:94
[INFO] [stderr]   10:     0x56052120bdb8 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h227c974e0502fef2
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:67
[INFO] [stderr]   11:     0x56052120706c - build_script_build::main::h2417547399cfe8f0
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:18
[INFO] [stderr]   12:     0x56052121360a - std::rt::lang_start::{{closure}}::h69e7ae01d4f880bb
[INFO] [stderr]                         at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x5605214d2ab7 - std::rt::lang_start_internal::{{closure}}::h1e37a448ebe88799
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::h0e616054d2c64056
[INFO] [stderr]                         at src/libstd/panicking.rs:331
[INFO] [stderr]                          - std::panicking::try::h1265f7ff6bd115c4
[INFO] [stderr]                         at src/libstd/panicking.rs:274
[INFO] [stderr]                          - std::panic::catch_unwind::h3aec84c4d67bf08d
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h71f12b7d78e58cce
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   14:     0x5605212135e6 - std::rt::lang_start::heea67fb286dd8b5a
[INFO] [stderr]                         at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libstd/rt.rs:67
[INFO] [stderr]   15:     0x5605212072c9 - main
[INFO] [stderr]   16:     0x7f2825efdb96 - __libc_start_main
[INFO] [stderr]   17:     0x5605211f2189 - _start
[INFO] [stderr]   18:                0x0 - <unknown>', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:18:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5605214cf714 - backtrace::backtrace::libunwind::trace::h6f1fdce296b4568c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x5605214cf714 - backtrace::backtrace::trace_unsynchronized::h0824f4cb76b782a8
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5605214cf714 - std::sys_common::backtrace::_print_fmt::hc9ad027a2ec1d486
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x5605214cf714 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc92f9fae3f41d466
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x5605214f72dc - core::fmt::write::h6e3f1a0635b4e386
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x5605214cc923 - std::io::Write::write_fmt::he392f419b7f87fef
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x5605214d1f45 - std::sys_common::backtrace::_print::hf2161343b596ab76
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x5605214d1f45 - std::sys_common::backtrace::print::hcbfa657355778d58
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5605214d1f45 - std::panicking::default_hook::{{closure}}::he53abf341150e4be
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x5605214d1c82 - std::panicking::default_hook::hbca798dce458d477
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x5605214d25a2 - std::panicking::rust_panic_with_hook::h8cc81269affb1635
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x5605214d218b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x5605214f5d01 - core::panicking::panic_fmt::h6d3e657898a3f448
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x5605214f5b23 - core::option::expect_none_failed::h33d2604bf1563964
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x560521232af0 - core::result::Result<T,E>::expect::hd55b8f9cc0dce832
[INFO] [stderr]                                at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x560521207097 - build_script_build::main::h2417547399cfe8f0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:18
[INFO] [stderr]   16:     0x56052121360b - std::rt::lang_start::{{closure}}::h69e7ae01d4f880bb
[INFO] [stderr]                                at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x5605214d2ab8 - std::rt::lang_start_internal::{{closure}}::h1e37a448ebe88799
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x5605214d2ab8 - std::panicking::try::do_call::h0e616054d2c64056
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x5605214d2ab8 - std::panicking::try::h1265f7ff6bd115c4
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x5605214d2ab8 - std::panic::catch_unwind::h3aec84c4d67bf08d
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x5605214d2ab8 - std::rt::lang_start_internal::h71f12b7d78e58cce
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x5605212135e7 - std::rt::lang_start::heea67fb286dd8b5a
[INFO] [stderr]                                at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x5605212072ca - main
[INFO] [stderr]   24:     0x7f2825efdb97 - __libc_start_main
[INFO] [stderr]   25:     0x5605211f218a - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "8f6c56b3f1d016c69aa793eef3e155920b4b7fe3abd3d529445d4d061bc7607c"`
[INFO] running `"docker" "rm" "-f" "8f6c56b3f1d016c69aa793eef3e155920b4b7fe3abd3d529445d4d061bc7607c"`
[INFO] [stdout] 8f6c56b3f1d016c69aa793eef3e155920b4b7fe3abd3d529445d4d061bc7607c