[INFO] fetching crate ul 1.1.4...
[INFO] testing ul-1.1.4 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate ul 1.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ul 1.1.4
[INFO] finished tweaking crates.io crate ul 1.1.4
[INFO] tweaked toml for crates.io crate ul 1.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ul 1.1.4 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ul 1.1.4 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.6.13
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded which v3.1.0
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded rustc-hash v1.0.1
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded bindgen v0.51.1
[INFO] [stderr]   Downloaded regex v1.3.3
[INFO] [stderr]   Downloaded ul-sys v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eee38d45d237ffedd50fff9cfddd355be13c9758baf60147376c6d47ee5b3b2
[INFO] running `Command { std: "docker" "start" "-a" "9eee38d45d237ffedd50fff9cfddd355be13c9758baf60147376c6d47ee5b3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eee38d45d237ffedd50fff9cfddd355be13c9758baf60147376c6d47ee5b3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eee38d45d237ffedd50fff9cfddd355be13c9758baf60147376c6d47ee5b3b2", kill_on_drop: false }`
[INFO] [stdout] 9eee38d45d237ffedd50fff9cfddd355be13c9758baf60147376c6d47ee5b3b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ab8ac4739903d9b51dd83c2dcc2a31b156f977ab3d28b34330d9d5aff3d56da
[INFO] running `Command { std: "docker" "start" "-a" "0ab8ac4739903d9b51dd83c2dcc2a31b156f977ab3d28b34330d9d5aff3d56da", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling ul-sys v1.1.2
[INFO] [stderr] error: failed to run custom build command for `ul-sys v1.1.2`
[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/ul-sys-6725679363bb6c39/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-flags=-L /usr/local/lib/
[INFO] [stderr]   cargo:rustc-link-search=/usr/local/lib/
[INFO] [stderr]   cargo:rustc-link-lib=Ultralight
[INFO] [stderr]   cargo:rustc-link-lib=WebCore
[INFO] [stderr]   cargo:rustc-link-lib=AppCore
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (684) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.7/src/fallback.rs:618:9:
[INFO] [stderr]   "enum_(unnamed_at_wrapper/JavaScriptCore/JSObjectRef_h_50_1)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e48a81b34d2 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e48a81b34d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e48a81b34d2 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e48a81b34d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h52160e9da139e442
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e48a81c47bf - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e48a81c47bf - core::fmt::write::hf09a056a304e021a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5e48a8185a61 - std::io::default_write_fmt::h7567c5950fb0173c
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e48a8185a61 - std::io::Write::write_fmt::h361c7127187cda65
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5e48a81906b2 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e48a81931ef - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5e48a8193049 - std::panicking::default_hook::h8d20506cf72e4831
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5e48a8193875 - std::panicking::panic_with_hook::h746880a052e02c85
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5e48a819370a - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5e48a81907e9 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5e48a817a15d - __rustc[76f7e7187978e2f8]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5e48a81ce8d0 - core::panicking::panic_fmt::heb245a301f4395db
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x5e48a80869af - proc_macro2::fallback::validate_ident::h87c20d5eb1bfb514
[INFO] [stderr]     17:     0x5e48a8089131 - proc_macro2::fallback::Ident::_new::hb2b8fade6f8321f7
[INFO] [stderr]     18:     0x5e48a80890ef - proc_macro2::fallback::Ident::new::h6b1bd0bed70ffdc7
[INFO] [stderr]     19:     0x5e48a807f3c8 - proc_macro2::Ident::new::hacc6ac82f181e372
[INFO] [stderr]     20:     0x5e48a7e99cb5 - bindgen::ir::context::BindgenContext::rust_ident_raw::h25df49a335f2867f
[INFO] [stderr]     21:     0x5e48a7e97e10 - bindgen::ir::context::BindgenContext::rust_ident::h8d3d7cd09d8268b9
[INFO] [stderr]     22:     0x5e48a7eb8136 - <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen::hd9102901bfd0af65
[INFO] [stderr]     23:     0x5e48a7eb5bed - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h348991c8fe16c86c
[INFO] [stderr]     24:     0x5e48a7e48779 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h79403e5ea9003eed
[INFO] [stderr]     25:     0x5e48a7f536b5 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h584387e59fdcdc21
[INFO] [stderr]     26:     0x5e48a7e7f201 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h5f68da0f57a2dbcc
[INFO] [stderr]     27:     0x5e48a7e48754 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h79403e5ea9003eed
[INFO] [stderr]     28:     0x5e48a7f622d2 - bindgen::codegen::codegen::{{closure}}::h1a63f85a0e739d03
[INFO] [stderr]     29:     0x5e48a7ea4b18 - bindgen::ir::context::BindgenContext::gen::he73112e5d8d325d8
[INFO] [stderr]     30:     0x5e48a7f61b5d - bindgen::codegen::codegen::h0d9496158c017f94
[INFO] [stderr]     31:     0x5e48a7f4903e - bindgen::Bindings::generate::hdb9af326be250b97
[INFO] [stderr]     32:     0x5e48a7f46191 - bindgen::Builder::generate::hd90e7da732c289c7
[INFO] [stderr]     33:     0x5e48a7e2cc02 - build_script_build::main::hae78ca1ef253499d
[INFO] [stderr]     34:     0x5e48a7e2d683 - core::ops::function::FnOnce::call_once::h311d46694d7c3f76
[INFO] [stderr]     35:     0x5e48a7e2d5b6 - std::sys::backtrace::__rust_begin_short_backtrace::h3df9c82e997c7d24
[INFO] [stderr]     36:     0x5e48a7e2d599 - std::rt::lang_start::{{closure}}::hbfa90cddb9fc091e
[INFO] [stderr]     37:     0x5e48a81875c0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h92f7271baace0227
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     38:     0x5e48a81875c0 - std::panicking::catch_unwind::do_call::hab80bc7615f9a56f
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40
[INFO] [stderr]     39:     0x5e48a81875c0 - std::panicking::catch_unwind::h44920ff533ed11dd
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19
[INFO] [stderr]     40:     0x5e48a81875c0 - std::panic::catch_unwind::hbc4760794652046f
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14
[INFO] [stderr]     41:     0x5e48a81875c0 - std::rt::lang_start_internal::{{closure}}::h017b9ee7d9dfccf2
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:175:24
[INFO] [stderr]     42:     0x5e48a81875c0 - std::panicking::catch_unwind::do_call::h5c448dae61c3a22b
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40
[INFO] [stderr]     43:     0x5e48a81875c0 - std::panicking::catch_unwind::ha3a2750d16137715
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19
[INFO] [stderr]     44:     0x5e48a81875c0 - std::panic::catch_unwind::ha56344eb931bca1a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x5e48a81875c0 - std::rt::lang_start_internal::h4e6c18fadc4e7470
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:171:5
[INFO] [stderr]     46:     0x5e48a7e2d581 - std::rt::lang_start::hc886fe84e4382c33
[INFO] [stderr]     47:     0x5e48a7e2ed85 - main
[INFO] [stderr]     48:     0x791f150591ca - <unknown>
[INFO] [stderr]     49:     0x791f1505928b - __libc_start_main
[INFO] [stderr]     50:     0x5e48a7e2c745 - _start
[INFO] [stderr]     51:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "0ab8ac4739903d9b51dd83c2dcc2a31b156f977ab3d28b34330d9d5aff3d56da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab8ac4739903d9b51dd83c2dcc2a31b156f977ab3d28b34330d9d5aff3d56da", kill_on_drop: false }`
[INFO] [stdout] 0ab8ac4739903d9b51dd83c2dcc2a31b156f977ab3d28b34330d9d5aff3d56da