[INFO] fetching crate ul 1.1.4...
[INFO] testing ul-1.1.4 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate ul 1.1.4 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ul 1.1.4 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b0feec8e6cdbf69d4be1629faf05f25b118e5d282b3420967f3e516742bb2d8
[INFO] running `Command { std: "docker" "start" "-a" "7b0feec8e6cdbf69d4be1629faf05f25b118e5d282b3420967f3e516742bb2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b0feec8e6cdbf69d4be1629faf05f25b118e5d282b3420967f3e516742bb2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0feec8e6cdbf69d4be1629faf05f25b118e5d282b3420967f3e516742bb2d8", kill_on_drop: false }`
[INFO] [stdout] 7b0feec8e6cdbf69d4be1629faf05f25b118e5d282b3420967f3e516742bb2d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38a60c60580e3c61157034a959f2fc878711dadc9c1d220db15cea6d2167a32a
[INFO] running `Command { std: "docker" "start" "-a" "38a60c60580e3c61157034a959f2fc878711dadc9c1d220db15cea6d2167a32a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[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 lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.7
[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 humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling 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' (693) 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:     0x5a2809452512 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5a2809452512 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5a2809452512 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5a2809452512 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4ee3a75aa71a2c45
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5a2809473b6f - core::fmt::rt::Argument::fmt::h6f1564705cd089af
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5a2809473b6f - core::fmt::write::h21ca93b65a7c281a
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5a2809443773 - std::io::default_write_fmt::h745a1edf2999cb3b
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5a2809443773 - std::io::Write::write_fmt::hfc56e66d6e189682
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5a2809452b62 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5a28094402ec - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5a280944012c - std::panicking::default_hook::hccb5e73b206c0830
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5a2809440eca - std::panicking::panic_with_hook::h3190ecc6229cdd29
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5a280945296a - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5a28094528c9 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5a2809440bed - __rustc[a93bd50104b99ad4]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5a280947ce20 - core::panicking::panic_fmt::hc70c3c83f13c1375
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5a2809339b1f - proc_macro2::fallback::validate_ident::h196a37e6e847cd1b
[INFO] [stderr]     17:     0x5a280933bb01 - proc_macro2::fallback::Ident::_new::ha7b6265b26194b51
[INFO] [stderr]     18:     0x5a28093332bf - proc_macro2::fallback::Ident::new::hcb91ac73fc49d38d
[INFO] [stderr]     19:     0x5a2809332408 - proc_macro2::Ident::new::hd66ebdb24cadf0ba
[INFO] [stderr]     20:     0x5a2809165fb5 - bindgen::ir::context::BindgenContext::rust_ident_raw::h8a7154388cb5a728
[INFO] [stderr]     21:     0x5a280916ad70 - bindgen::ir::context::BindgenContext::rust_ident::h5ac6d7e46762447f
[INFO] [stderr]     22:     0x5a28091bd3a6 - <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen::h6419730d28fb5176
[INFO] [stderr]     23:     0x5a28091b778d - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h94e2eb5b3e953d83
[INFO] [stderr]     24:     0x5a2809142709 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::ha9d53818cafd25e4
[INFO] [stderr]     25:     0x5a2809197bc5 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h79ba99de9ead6333
[INFO] [stderr]     26:     0x5a28091fd2c1 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h82d01ce4c24c77d2
[INFO] [stderr]     27:     0x5a28091426e4 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::ha9d53818cafd25e4
[INFO] [stderr]     28:     0x5a28091973d2 - bindgen::codegen::codegen::{{closure}}::hb3d70c7e1b0de8e3
[INFO] [stderr]     29:     0x5a2809173dc8 - bindgen::ir::context::BindgenContext::gen::ha7b115ce4fcb9250
[INFO] [stderr]     30:     0x5a280919788d - bindgen::codegen::codegen::hdf77765bc43e6f24
[INFO] [stderr]     31:     0x5a28092160fe - bindgen::Bindings::generate::h5b201c1ebcd67c98
[INFO] [stderr]     32:     0x5a2809216941 - bindgen::Builder::generate::h874ec0ab72c0ea4f
[INFO] [stderr]     33:     0x5a28090dadd2 - build_script_build::main::he9b34de39ab94656
[INFO] [stderr]     34:     0x5a28090da8b3 - core::ops::function::FnOnce::call_once::h75fe641540cda98a
[INFO] [stderr]     35:     0x5a28090da966 - std::sys::backtrace::__rust_begin_short_backtrace::h95e952ec9e0bdaa3
[INFO] [stderr]     36:     0x5a28090da909 - std::rt::lang_start::{{closure}}::hc25b8b9e54728bea
[INFO] [stderr]     37:     0x5a28094532e0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hae16bf8966719858
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     38:     0x5a28094532e0 - std::panicking::catch_unwind::do_call::hd4eb7cf01d0f66cd
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stderr]     39:     0x5a28094532e0 - std::panicking::catch_unwind::h35b4afc45093edf5
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stderr]     40:     0x5a28094532e0 - std::panic::catch_unwind::h5a7ef11ac2fa7980
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stderr]     41:     0x5a28094532e0 - std::rt::lang_start_internal::{{closure}}::h18f8e059e8eb5f5a
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:175:24
[INFO] [stderr]     42:     0x5a28094532e0 - std::panicking::catch_unwind::do_call::hb4f94f34ea41283f
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stderr]     43:     0x5a28094532e0 - std::panicking::catch_unwind::hfbb31091ea806204
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stderr]     44:     0x5a28094532e0 - std::panic::catch_unwind::hc88f452387620cfb
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x5a28094532e0 - std::rt::lang_start_internal::h23cfb6dcbf9c9010
[INFO] [stderr]                                  at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:171:5
[INFO] [stderr]     46:     0x5a28090da8f1 - std::rt::lang_start::hbe46d86d276efe29
[INFO] [stderr]     47:     0x5a28090dc735 - main
[INFO] [stderr]     48:     0x7fc0858bd1ca - <unknown>
[INFO] [stderr]     49:     0x7fc0858bd28b - __libc_start_main
[INFO] [stderr]     50:     0x5a28090da115 - _start
[INFO] [stderr]     51:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "38a60c60580e3c61157034a959f2fc878711dadc9c1d220db15cea6d2167a32a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a60c60580e3c61157034a959f2fc878711dadc9c1d220db15cea6d2167a32a", kill_on_drop: false }`
[INFO] [stdout] 38a60c60580e3c61157034a959f2fc878711dadc9c1d220db15cea6d2167a32a