[INFO] fetching crate rustc-llvm-proxy 0.2.0...
[INFO] testing rustc-llvm-proxy-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate rustc-llvm-proxy 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rustc-llvm-proxy 0.2.0
[INFO] finished tweaking crates.io crate rustc-llvm-proxy 0.2.0
[INFO] tweaked toml for crates.io crate rustc-llvm-proxy 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-llvm-proxy 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding cargo_metadata v0.8.2 (available: v0.23.1)
[INFO] [stderr]       Adding libloading v0.5.2 (available: v0.9.0)
[INFO] [stderr]       Adding llvm-sys v80.3.1 (available: v211.0.0)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.42)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.8.2
[INFO] [stderr]   Downloaded llvm-sys v80.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 297cde45e4e7a13edffaff74b7bc18a6a3fb51455fbdb3594c42c30b0e31e085
[INFO] running `Command { std: "docker" "start" "-a" "297cde45e4e7a13edffaff74b7bc18a6a3fb51455fbdb3594c42c30b0e31e085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "297cde45e4e7a13edffaff74b7bc18a6a3fb51455fbdb3594c42c30b0e31e085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297cde45e4e7a13edffaff74b7bc18a6a3fb51455fbdb3594c42c30b0e31e085", kill_on_drop: false }`
[INFO] [stdout] 297cde45e4e7a13edffaff74b7bc18a6a3fb51455fbdb3594c42c30b0e31e085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2165f93ac9c795a54849393efb082d1b382744e450591aad942de1538f08aed7
[INFO] running `Command { std: "docker" "start" "-a" "2165f93ac9c795a54849393efb082d1b382744e450591aad942de1538f08aed7", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling cargo_metadata v0.8.2
[INFO] [stderr]    Compiling llvm-sys v80.3.1
[INFO] [stderr]    Compiling rustc-llvm-proxy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rustc-llvm-proxy v0.2.0 (/opt/rustwide/workdir)`
[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/rustc-llvm-proxy-3b31f9669d9078d3/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (511) panicked at build.rs:28:10:
[INFO] [stderr]   Unable to parse 'llvm-sys' crate: ErrorMessage { msg: "Unable to find lib target for 'llvm-sys' crate" }
[INFO] [stderr] 
[INFO] [stderr]      0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/backtrace/internal.rs:46:44
[INFO] [stderr]      1: failure::backtrace::Backtrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/backtrace/mod.rs:121:35
[INFO] [stderr]      2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stderr]      3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stderr]      4: failure::error_message::err_msg
[INFO] [stderr]      5: build_script_build::llvm::Generator::get_llvm_sys_crate_path
[INFO] [stderr]      6: build_script_build::llvm::Generator::parse_llvm_sys_crate
[INFO] [stderr]      7: build_script_build::main
[INFO] [stderr]      8: core::ops::function::FnOnce::call_once
[INFO] [stderr]      9: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]     10: std::rt::lang_start::{{closure}}
[INFO] [stderr]     11: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stderr]         std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]         std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]         std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stderr]         std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]         std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stderr]     12: std::rt::lang_start
[INFO] [stderr]     13: main
[INFO] [stderr]     14: <unknown>
[INFO] [stderr]     15: __libc_start_main
[INFO] [stderr]     16: _start
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x653ad7a24812 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x653ad7a24812 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x653ad7a24812 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x653ad7a24812 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x653ad7a350af - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x653ad7a350af - core::fmt::write::h24186904251c31cb
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x653ad79f94c3 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x653ad79f94c3 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x653ad7a03352 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x653ad7a058cf - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x653ad7a05729 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x653ad7a05f55 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x653ad7a05d3a - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x653ad7a03499 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x653ad79edcdd - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x653ad7a3cec0 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x653ad7a3c3f6 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x653ad779775d - core::result::Result<T,E>::expect::h184dd017fd3f5ee0
[INFO] [stderr]     18:     0x653ad7796a1f - build_script_build::main::hb0dcfcfc3ceb9773
[INFO] [stderr]     19:     0x653ad778bb53 - core::ops::function::FnOnce::call_once::habe1d1ac86ebf4e9
[INFO] [stderr]     20:     0x653ad779ad76 - std::sys::backtrace::__rust_begin_short_backtrace::h6818a0066da72c29
[INFO] [stderr]     21:     0x653ad778bab9 - std::rt::lang_start::{{closure}}::h93abbdae1571f5df
[INFO] [stderr]     22:     0x653ad79fadb0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x653ad79fadb0 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x653ad79fadb0 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x653ad79fadb0 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x653ad79fadb0 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x653ad79fadb0 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x653ad79fadb0 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x653ad79fadb0 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x653ad79fadb0 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x653ad778baa1 - std::rt::lang_start::ha9d44c116d997dd0
[INFO] [stderr]     32:     0x653ad7799785 - main
[INFO] [stderr]     33:     0x7fda2194f1ca - <unknown>
[INFO] [stderr]     34:     0x7fda2194f28b - __libc_start_main
[INFO] [stderr]     35:     0x653ad7788405 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2165f93ac9c795a54849393efb082d1b382744e450591aad942de1538f08aed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2165f93ac9c795a54849393efb082d1b382744e450591aad942de1538f08aed7", kill_on_drop: false }`
[INFO] [stdout] 2165f93ac9c795a54849393efb082d1b382744e450591aad942de1538f08aed7