[INFO] cloning repository https://github.com/rchaser53/llvm-rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rchaser53/llvm-rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fllvm-rust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fllvm-rust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cd94437b3a865f14cd59ae781dac15cd7ea718a
[INFO] checking rchaser53/llvm-rust-playground against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fllvm-rust-playground" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/llvm-rust-playground on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-13/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.6.0
[INFO] [stderr]   Downloaded rustc-llvm-proxy v0.1.3
[INFO] [stderr]   Downloaded llvm-sys v60.2.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1576a9d593c8e4b4837da11984991a5092349abd9be2807a2eeb5ba5044870f
[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" "b1576a9d593c8e4b4837da11984991a5092349abd9be2807a2eeb5ba5044870f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1576a9d593c8e4b4837da11984991a5092349abd9be2807a2eeb5ba5044870f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1576a9d593c8e4b4837da11984991a5092349abd9be2807a2eeb5ba5044870f", kill_on_drop: false }`
[INFO] [stdout] b1576a9d593c8e4b4837da11984991a5092349abd9be2807a2eeb5ba5044870f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2a44133f4e872197ccd4c227417b4112881b7e5203de82d7cc881960c7f1108
[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" "f2a44133f4e872197ccd4c227417b4112881b7e5203de82d7cc881960c7f1108", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling aho-corasick v0.6.7
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.4
[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 backtrace v0.3.9
[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 llvm-sys v60.2.0
[INFO] [stderr]    Compiling synstructure v0.9.0
[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-c7fa13822ee4e0ec/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-9a6cd09f32b71556/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:     0x5619094c07f3 - backtrace::backtrace::libunwind::trace::h7c45705e3c3bcc59
[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::h24e7dbd2bba61968
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]      1:     0x5619094bb965 - backtrace::capture::Backtrace::new_unresolved::h90d08fe2fd5b2c56
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]      2:     0x5619092881a0 - failure::backtrace::internal::InternalBacktrace::new::h21308291a4684a21
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/internal.rs:44
[INFO] [stderr]      3:     0x56190928704c - failure::backtrace::Backtrace::new::h34681ebaf3bf57cf
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/mod.rs:111
[INFO] [stderr]      4:     0x56190927d06c - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h541d744ed5e31837
[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:     0x561909258d47 - <failure::error::Error as core::convert::From<F>>::from::h9ff0e4060145031b
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error/mod.rs:36
[INFO] [stderr]      6:     0x56190927ce15 - failure::error_message::err_msg::heddc66855cde7797
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error_message.rs:12
[INFO] [stderr]      7:     0x56190927f3d9 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h965307eecb6c8e29
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:95
[INFO] [stderr]      8:     0x561909258a38 - core::result::Result<T,E>::map_err::hec4b4efbe73d36d0
[INFO] [stderr]                           at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/result.rs:595
[INFO] [stderr]      9:     0x56190927e248 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::hf590c489ec1c9adf
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:94
[INFO] [stderr]     10:     0x56190927d628 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h36ff7ba644cf6c0e
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:67
[INFO] [stderr]     11:     0x56190925fecb - build_script_build::main::h17607f15ae46d485
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:18
[INFO] [stderr]     12:     0x56190928168a - core::ops::function::FnOnce::call_once::h91b573d3245de55e
[INFO] [stderr]                           at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:227
[INFO] [stderr]     13:     0x561909256c5d - std::sys_common::backtrace::__rust_begin_short_backtrace::he0c14767b34487fb
[INFO] [stderr]                           at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]     14:     0x561909281480 - std::rt::lang_start::{{closure}}::ha340a081fc6d8ace
[INFO] [stderr]                           at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:66
[INFO] [stderr]     15:     0x5619094f9c66 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                           at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:259
[INFO] [stderr]                            - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                           at library/std/src/panicking.rs:379
[INFO] [stderr]                            - std::panicking::try::hb36953ccd24f930d
[INFO] [stderr]                           at library/std/src/panicking.rs:343
[INFO] [stderr]                            - std::panic::catch_unwind::hbb374cd03beb3824
[INFO] [stderr]                           at library/std/src/panic.rs:396
[INFO] [stderr]                            - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                           at library/std/src/rt.rs:51
[INFO] [stderr]     16:     0x561909281456 - std::rt::lang_start::haecc84fec5adf03f
[INFO] [stderr]                           at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:65
[INFO] [stderr]     17:     0x561909260119 - main
[INFO] [stderr]     18:     0x7f016b1e30b2 - __libc_start_main
[INFO] [stderr]     19:     0x56190924017d - _start
[INFO] [stderr]     20:                0x0 - <unknown>', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:20:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5619094f6e10 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5619094f6e10 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5619094f6e10 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5619094f6e10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc132ae1a5b5aa7cd
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56190951980c - core::fmt::write::hdf023a0036d2a25f
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x5619094f3c42 - std::io::Write::write_fmt::h8580846154bcb66a
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x5619094f8fb5 - std::sys_common::backtrace::_print::h7ee55fed88d107a3
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5619094f8fb5 - std::sys_common::backtrace::print::h54a7d3e52a524177
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5619094f8fb5 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5619094f8b0a - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5619094f9751 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x5619094f9297 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x5619094f72cc - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5619094f91f9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5619095181c1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x561909517fe3 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x56190925863f - core::result::Result<T,E>::expect::h423c7b1e443c82ca
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x56190925fef6 - build_script_build::main::h17607f15ae46d485
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:18:5
[INFO] [stderr]     18:     0x56190928168b - core::ops::function::FnOnce::call_once::h91b573d3245de55e
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x561909256c5e - std::sys_common::backtrace::__rust_begin_short_backtrace::he0c14767b34487fb
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x561909281481 - std::rt::lang_start::{{closure}}::ha340a081fc6d8ace
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x5619094f9c67 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5619094f9c67 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x5619094f9c67 - std::panicking::try::hb36953ccd24f930d
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x5619094f9c67 - std::panic::catch_unwind::hbb374cd03beb3824
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x5619094f9c67 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x561909281457 - std::rt::lang_start::haecc84fec5adf03f
[INFO] [stderr]                                  at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x56190926011a - main
[INFO] [stderr]     28:     0x7f016b1e30b3 - __libc_start_main
[INFO] [stderr]     29:     0x56190924017e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f2a44133f4e872197ccd4c227417b4112881b7e5203de82d7cc881960c7f1108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a44133f4e872197ccd4c227417b4112881b7e5203de82d7cc881960c7f1108", kill_on_drop: false }`
[INFO] [stdout] f2a44133f4e872197ccd4c227417b4112881b7e5203de82d7cc881960c7f1108