[INFO] fetching crate ul 1.1.4...
[INFO] checking ul-1.1.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate ul 1.1.4 into /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ul 1.1.4 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a6464a79da1c6b76fa408d6430cf4277e0e0dafc97a065b3b4e48206645b2d6
[INFO] running `Command { std: "docker" "start" "-a" "4a6464a79da1c6b76fa408d6430cf4277e0e0dafc97a065b3b4e48206645b2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a6464a79da1c6b76fa408d6430cf4277e0e0dafc97a065b3b4e48206645b2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6464a79da1c6b76fa408d6430cf4277e0e0dafc97a065b3b4e48206645b2d6", kill_on_drop: false }`
[INFO] [stdout] 4a6464a79da1c6b76fa408d6430cf4277e0e0dafc97a065b3b4e48206645b2d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd63a4940b809d8c2fe48b1c45bff34c512798be87ebeb37d3be5f1a75b9c2b9
[INFO] running `Command { std: "docker" "start" "-a" "cd63a4940b809d8c2fe48b1c45bff34c512798be87ebeb37d3be5f1a75b9c2b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[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:     0x5e0fff859d12 - std::backtrace_rs::backtrace::libunwind::trace::h360bb75e22de2778
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e0fff859d12 - std::backtrace_rs::backtrace::trace_unsynchronized::hfdde2f704faeffd5
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e0fff859d12 - std::sys::backtrace::_print_fmt::h417d2e15f697175b
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e0fff859d12 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6da87f843d594e5f
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e0fff880383 - core::fmt::rt::Argument::fmt::h93dad83eea6b1735
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e0fff880383 - core::fmt::write::hfc80a741b320fdf6
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x5e0fff856e43 - std::io::default_write_fmt::h4f50706d79e0ad9c
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e0fff856e43 - std::io::Write::write_fmt::h4ea6a86049496d1c
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5e0fff859b62 - std::sys::backtrace::BacktraceLock::print::h1cbd12f8d7a3dd2a
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e0fff85ae26 - std::panicking::default_hook::{{closure}}::h05e45c6f75ebd415
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5e0fff85ac29 - std::panicking::default_hook::h282f20b2a278c2b0
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5e0fff85b832 - std::panicking::rust_panic_with_hook::h36eb92d284238d72
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5e0fff85b5ca - std::panicking::begin_panic_handler::{{closure}}::h880cd2442ca41755
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5e0fff85a219 - std::sys::backtrace::__rust_end_short_backtrace::hea32aba5814406f8
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5e0fff85b25d - __rustc[e8bfc998c4eccd70]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5e0fff87e6e0 - core::panicking::panic_fmt::h507f02bb0d23e89f
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5e0fff7395ef - proc_macro2::fallback::validate_ident::h40dc7d17766051fc
[INFO] [stderr]     17:     0x5e0fff739371 - proc_macro2::fallback::Ident::_new::h8305850ad317d5d3
[INFO] [stderr]     18:     0x5e0fff7393cf - proc_macro2::fallback::Ident::new::h73ded9d6af75a40b
[INFO] [stderr]     19:     0x5e0fff737be8 - proc_macro2::Ident::new::h90e2e2649220d877
[INFO] [stderr]     20:     0x5e0fff5eea95 - bindgen::ir::context::BindgenContext::rust_ident_raw::he4fb05294db04ec7
[INFO] [stderr]     21:     0x5e0fff5ee6c0 - bindgen::ir::context::BindgenContext::rust_ident::h70f90505e7feeb14
[INFO] [stderr]     22:     0x5e0fff5467a0 - <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen::h0a82fd10fb75904d
[INFO] [stderr]     23:     0x5e0fff5446b4 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h7c9a1106553d53ff
[INFO] [stderr]     24:     0x5e0fff5cedd3 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h2a5bc6922a609900
[INFO] [stderr]     25:     0x5e0fff5763c5 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::he1e71ad9c93cd1e4
[INFO] [stderr]     26:     0x5e0fff52b3a9 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h9375c20d5c9bfe80
[INFO] [stderr]     27:     0x5e0fff5cedb4 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h2a5bc6922a609900
[INFO] [stderr]     28:     0x5e0fff582d0c - bindgen::codegen::codegen::{{closure}}::h2c8e5a9a19d5555a
[INFO] [stderr]     29:     0x5e0fff5f11d8 - bindgen::ir::context::BindgenContext::gen::hdccc5c9367a20c6b
[INFO] [stderr]     30:     0x5e0fff58256d - bindgen::codegen::codegen::h50114728610cf788
[INFO] [stderr]     31:     0x5e0fff620565 - bindgen::Bindings::generate::h284f25ae16677d51
[INFO] [stderr]     32:     0x5e0fff61e7f0 - bindgen::Builder::generate::hf644b18cfd0ff8a7
[INFO] [stderr]     33:     0x5e0fff4dd222 - build_script_build::main::h6b2287e386e6634e
[INFO] [stderr]     34:     0x5e0fff4db913 - core::ops::function::FnOnce::call_once::hd89d127061bf7665
[INFO] [stderr]     35:     0x5e0fff4db806 - std::sys::backtrace::__rust_begin_short_backtrace::h3dd10f0fbcdbe0ec
[INFO] [stderr]     36:     0x5e0fff4db7e9 - std::rt::lang_start::{{closure}}::h6d7df90a20a0e5ee
[INFO] [stderr]     37:     0x5e0fff852770 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a0310293008eb2d
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     38:     0x5e0fff852770 - std::panicking::catch_unwind::do_call::h296e94a1c4e3d78c
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:589:40
[INFO] [stderr]     39:     0x5e0fff852770 - std::panicking::catch_unwind::hcc60b8b41a431974
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:552:19
[INFO] [stderr]     40:     0x5e0fff852770 - std::panic::catch_unwind::hfde220fef6750e01
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panic.rs:359:14
[INFO] [stderr]     41:     0x5e0fff852770 - std::rt::lang_start_internal::{{closure}}::h8a2acae78735c9ef
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/rt.rs:175:24
[INFO] [stderr]     42:     0x5e0fff852770 - std::panicking::catch_unwind::do_call::hd03928f4e997613a
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:589:40
[INFO] [stderr]     43:     0x5e0fff852770 - std::panicking::catch_unwind::hf7cbafaef6e89ea3
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:552:19
[INFO] [stderr]     44:     0x5e0fff852770 - std::panic::catch_unwind::hf1ae9b7d8b7c2036
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x5e0fff852770 - std::rt::lang_start_internal::h1c97a48421de4504
[INFO] [stderr]                                  at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/rt.rs:171:5
[INFO] [stderr]     46:     0x5e0fff4db7d1 - std::rt::lang_start::h5f4d0b789aefbabd
[INFO] [stderr]     47:     0x5e0fff4dd495 - main
[INFO] [stderr]     48:     0x7f01f63291ca - <unknown>
[INFO] [stderr]     49:     0x7f01f632928b - __libc_start_main
[INFO] [stderr]     50:     0x5e0fff4dae85 - _start
[INFO] [stderr]     51:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "cd63a4940b809d8c2fe48b1c45bff34c512798be87ebeb37d3be5f1a75b9c2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd63a4940b809d8c2fe48b1c45bff34c512798be87ebeb37d3be5f1a75b9c2b9", kill_on_drop: false }`
[INFO] [stdout] cd63a4940b809d8c2fe48b1c45bff34c512798be87ebeb37d3be5f1a75b9c2b9