[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] testing rchaser53/llvm-rust-playground against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fllvm-rust-playground" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/llvm-rust-playground on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-7/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v60.2.0
[INFO] [stderr]   Downloaded cargo_metadata v0.6.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.7
[INFO] [stderr]   Downloaded rustc-llvm-proxy v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff04d7cacef881434761753ca38e71636e19536ea24e1ff8bd3356b3e7fec4a2
[INFO] running `Command { std: "docker" "start" "-a" "ff04d7cacef881434761753ca38e71636e19536ea24e1ff8bd3356b3e7fec4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff04d7cacef881434761753ca38e71636e19536ea24e1ff8bd3356b3e7fec4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff04d7cacef881434761753ca38e71636e19536ea24e1ff8bd3356b3e7fec4a2", kill_on_drop: false }`
[INFO] [stdout] ff04d7cacef881434761753ca38e71636e19536ea24e1ff8bd3356b3e7fec4a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13995ea520ec455c69a189287581fd97f6c0481459340a1b8d35c4bca62e0a83
[INFO] running `Command { std: "docker" "start" "-a" "13995ea520ec455c69a189287581fd97f6c0481459340a1b8d35c4bca62e0a83", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling memchr v2.0.2
[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 regex v0.2.11
[INFO] [stderr]    Compiling quote v0.6.8
[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 syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.4
[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 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-f31b7343e3c613d2/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-0936ba64636e7039/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:     0x55ae5d28fbd3 - backtrace::backtrace::libunwind::trace::h395a439c4d0f3bf4
[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::h96191b4a01ca3318
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]      1:     0x55ae5d28cb03 - backtrace::capture::Backtrace::new_unresolved::h1e30bb1786cb72af
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]      2:     0x55ae5d051155 - failure::backtrace::internal::InternalBacktrace::new::h989937e96afc604a
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/internal.rs:44
[INFO] [stderr]      3:     0x55ae5d04ff2c - failure::backtrace::Backtrace::new::h93005d907ab09369
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/mod.rs:111
[INFO] [stderr]      4:     0x55ae5d04f20b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h70bc242cdec5de46
[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:     0x55ae5d0496e7 - <failure::error::Error as core::convert::From<F>>::from::hde990b74a205bebc
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error/mod.rs:36
[INFO] [stderr]      6:     0x55ae5d04a495 - failure::error_message::err_msg::heb24ae63530bcd5b
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error_message.rs:12
[INFO] [stderr]      7:     0x55ae5d021755 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h223b7ff3d00b59b4
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:95
[INFO] [stderr]      8:     0x55ae5d0257cc - core::result::Result<T,E>::map_err::h88e19a00caee29d8
[INFO] [stderr]                           at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/result.rs:612
[INFO] [stderr]      9:     0x55ae5d020559 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h80db8dff9c72c6ac
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:94
[INFO] [stderr]     10:     0x55ae5d01f918 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h1328bb20d7566cca
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:67
[INFO] [stderr]     11:     0x55ae5d04a7cc - build_script_build::main::h5434ec4f858baca1
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:18
[INFO] [stderr]     12:     0x55ae5d0242ba - std::rt::lang_start::{{closure}}::hae2f664e3372de41
[INFO] [stderr]                           at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     13:     0x55ae5d2c0192 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                           at src/libstd/rt.rs:52
[INFO] [stderr]                            - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                           at src/libstd/panicking.rs:348
[INFO] [stderr]                            - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                           at src/libstd/panicking.rs:325
[INFO] [stderr]                            - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                           at src/libstd/panic.rs:394
[INFO] [stderr]                            - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                           at src/libstd/rt.rs:51
[INFO] [stderr]     14:     0x55ae5d024296 - std::rt::lang_start::h344ffb7b2b4a54e4
[INFO] [stderr]                           at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     15:     0x55ae5d04aa29 - main
[INFO] [stderr]     16:     0x7fda4d6e60b2 - __libc_start_main
[INFO] [stderr]     17:     0x55ae5d00c1ad - _start
[INFO] [stderr]     18:                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:     0x55ae5d2bd005 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55ae5d2bd005 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55ae5d2bd005 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55ae5d2bd005 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55ae5d2e3c0c - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55ae5d2ba042 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x55ae5d2bf6b0 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55ae5d2bf6b0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55ae5d2bf6b0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55ae5d2bf3fc - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55ae5d2bfcf3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55ae5d2bf8eb - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55ae5d2e25a1 - core::panicking::panic_fmt::h17139c2000299725
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x55ae5d2e23c3 - core::option::expect_none_failed::h972f96abb4ec8952
[INFO] [stderr]                                  at src/libcore/option.rs:1269
[INFO] [stderr]     14:     0x55ae5d02550f - core::result::Result<T,E>::expect::hce1f7562d3225b4c
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/result.rs:963
[INFO] [stderr]     15:     0x55ae5d04a7f7 - build_script_build::main::h5434ec4f858baca1
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:18
[INFO] [stderr]     16:     0x55ae5d0242bb - std::rt::lang_start::{{closure}}::hae2f664e3372de41
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x55ae5d2c0193 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x55ae5d2c0193 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x55ae5d2c0193 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x55ae5d2c0193 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x55ae5d2c0193 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x55ae5d024297 - std::rt::lang_start::h344ffb7b2b4a54e4
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x55ae5d04aa2a - main
[INFO] [stderr]     24:     0x7fda4d6e60b3 - __libc_start_main
[INFO] [stderr]     25:     0x55ae5d00c1ae - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "13995ea520ec455c69a189287581fd97f6c0481459340a1b8d35c4bca62e0a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13995ea520ec455c69a189287581fd97f6c0481459340a1b8d35c4bca62e0a83", kill_on_drop: false }`
[INFO] [stdout] 13995ea520ec455c69a189287581fd97f6c0481459340a1b8d35c4bca62e0a83