[INFO] fetching crate ul 1.1.4...
[INFO] checking ul-1.1.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[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 cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ul-sys v1.1.2
[INFO] [stderr]   Downloaded rustc-hash v1.0.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded regex v1.3.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.13
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eec3ee4e95e331953cf0c0ac8e07ac9ee0a35b91722d1fed036be5ea02731f3d
[INFO] running `Command { std: "docker" "start" "-a" "eec3ee4e95e331953cf0c0ac8e07ac9ee0a35b91722d1fed036be5ea02731f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eec3ee4e95e331953cf0c0ac8e07ac9ee0a35b91722d1fed036be5ea02731f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec3ee4e95e331953cf0c0ac8e07ac9ee0a35b91722d1fed036be5ea02731f3d", kill_on_drop: false }`
[INFO] [stdout] eec3ee4e95e331953cf0c0ac8e07ac9ee0a35b91722d1fed036be5ea02731f3d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7364610e2c61db093bfc4111d3ec6b1a82f53e9d9e29d7dd7a43b0cf0d9b318
[INFO] running `Command { std: "docker" "start" "-a" "a7364610e2c61db093bfc4111d3ec6b1a82f53e9d9e29d7dd7a43b0cf0d9b318", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[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' 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:     0x5faf71a42f02 - std::backtrace_rs::backtrace::libunwind::trace::h78562a013ab6f1d1
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5faf71a42f02 - std::backtrace_rs::backtrace::trace_unsynchronized::h77ced773b5be47e3
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5faf71a42f02 - std::sys::backtrace::_print_fmt::hd8554b653175eb90
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5faf71a42f02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h0ee684fa48ea65a9
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5faf71a69593 - core::fmt::rt::Argument::fmt::h97dc4aa34475380b
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5faf71a69593 - core::fmt::write::ha7e9dac23b0574fc
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x5faf71a40153 - std::io::default_write_fmt::hdebc07c8b1ed24d8
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5faf71a40153 - std::io::Write::write_fmt::h74c2ee93ac2161e6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5faf71a42d52 - std::sys::backtrace::BacktraceLock::print::h5d2ec0ae212b38da
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5faf71a44016 - std::panicking::default_hook::{{closure}}::h919f804d261dd9ce
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5faf71a43e19 - std::panicking::default_hook::h96273494815ab2d6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5faf71a44a22 - std::panicking::rust_panic_with_hook::hd760048b5d2d6151
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5faf71a447ba - std::panicking::begin_panic_handler::{{closure}}::h040646f2e9c9f682
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5faf71a43409 - std::sys::backtrace::__rust_end_short_backtrace::h6a810defc53f5213
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5faf71a4444d - __rustc[d0903a379a499752]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5faf71a678f0 - core::panicking::panic_fmt::hdb4e2ff26c68ec1f
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5faf7192294f - proc_macro2::fallback::validate_ident::ha94f2986e0e57b31
[INFO] [stderr]     17:     0x5faf719226d1 - proc_macro2::fallback::Ident::_new::hf2012bc8a233aa5a
[INFO] [stderr]     18:     0x5faf7192272f - proc_macro2::fallback::Ident::new::h0b757c8493851922
[INFO] [stderr]     19:     0x5faf71920f48 - proc_macro2::Ident::new::hb47c13f49e6dd8fb
[INFO] [stderr]     20:     0x5faf717d7ad5 - bindgen::ir::context::BindgenContext::rust_ident_raw::h262708759affa4cf
[INFO] [stderr]     21:     0x5faf717d7840 - bindgen::ir::context::BindgenContext::rust_ident::h0f85f2d141ecd72d
[INFO] [stderr]     22:     0x5faf7172fb20 - <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen::hd7f1b38b900b2644
[INFO] [stderr]     23:     0x5faf7172da34 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h39370dd2425afa35
[INFO] [stderr]     24:     0x5faf717b83e3 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h2ed4d90b20f3657c
[INFO] [stderr]     25:     0x5faf7175f555 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::hffc055dd354486d3
[INFO] [stderr]     26:     0x5faf71714609 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::ha1d824777e614677
[INFO] [stderr]     27:     0x5faf717b83c4 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h2ed4d90b20f3657c
[INFO] [stderr]     28:     0x5faf7176be9c - bindgen::codegen::codegen::{{closure}}::h8f8c411e513a06ea
[INFO] [stderr]     29:     0x5faf717da358 - bindgen::ir::context::BindgenContext::gen::h69a89cfaa87c3313
[INFO] [stderr]     30:     0x5faf7176b6fd - bindgen::codegen::codegen::hf6d47b1cf4f22156
[INFO] [stderr]     31:     0x5faf718096e5 - bindgen::Bindings::generate::h09b40585931e4260
[INFO] [stderr]     32:     0x5faf71807970 - bindgen::Builder::generate::heb94c1fa97118344
[INFO] [stderr]     33:     0x5faf716c63a2 - build_script_build::main::hf6513a956fcb631b
[INFO] [stderr]     34:     0x5faf716c4a53 - core::ops::function::FnOnce::call_once::h0d727a8312f2ce78
[INFO] [stderr]     35:     0x5faf716c4986 - std::sys::backtrace::__rust_begin_short_backtrace::heca7b616769a7ba3
[INFO] [stderr]     36:     0x5faf716c4969 - std::rt::lang_start::{{closure}}::h238bf84d22b2baba
[INFO] [stderr]     37:     0x5faf71a3b950 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc0a003771d36ce49
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     38:     0x5faf71a3b950 - std::panicking::catch_unwind::do_call::h9858643921646d98
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:589:40
[INFO] [stderr]     39:     0x5faf71a3b950 - std::panicking::catch_unwind::h8c86187d9aa365e4
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:552:19
[INFO] [stderr]     40:     0x5faf71a3b950 - std::panic::catch_unwind::h7fb0f60cd1f7dbc8
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panic.rs:359:14
[INFO] [stderr]     41:     0x5faf71a3b950 - std::rt::lang_start_internal::{{closure}}::he8bf7dae0379adc7
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/rt.rs:175:24
[INFO] [stderr]     42:     0x5faf71a3b950 - std::panicking::catch_unwind::do_call::h14a6a5289a8309e6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:589:40
[INFO] [stderr]     43:     0x5faf71a3b950 - std::panicking::catch_unwind::h324e7e057c6492a0
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panicking.rs:552:19
[INFO] [stderr]     44:     0x5faf71a3b950 - std::panic::catch_unwind::h707fe61980e924ea
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x5faf71a3b950 - std::rt::lang_start_internal::hc492c42d25e8d5e6
[INFO] [stderr]                                  at /rustc/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/rt.rs:171:5
[INFO] [stderr]     46:     0x5faf716c4951 - std::rt::lang_start::he3fea0d5f189ef52
[INFO] [stderr]     47:     0x5faf716c6615 - main
[INFO] [stderr]     48:     0x7f864ac561ca - <unknown>
[INFO] [stderr]     49:     0x7f864ac5628b - __libc_start_main
[INFO] [stderr]     50:     0x5faf716c4005 - _start
[INFO] [stderr]     51:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a7364610e2c61db093bfc4111d3ec6b1a82f53e9d9e29d7dd7a43b0cf0d9b318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7364610e2c61db093bfc4111d3ec6b1a82f53e9d9e29d7dd7a43b0cf0d9b318", kill_on_drop: false }`
[INFO] [stdout] a7364610e2c61db093bfc4111d3ec6b1a82f53e9d9e29d7dd7a43b0cf0d9b318