[INFO] fetching crate ul 1.1.4...
[INFO] testing ul-1.1.4 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate ul 1.1.4 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ul 1.1.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v3.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded rustc-hash v1.0.1
[INFO] [stderr]   Downloaded ul-sys v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 389fd6e63f2bb37955afd821f12a40c2e5e7b9e291261c4b53dfb19e461cd2f6
[INFO] running `Command { std: "docker" "start" "389fd6e63f2bb37955afd821f12a40c2e5e7b9e291261c4b53dfb19e461cd2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "389fd6e63f2bb37955afd821f12a40c2e5e7b9e291261c4b53dfb19e461cd2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "389fd6e63f2bb37955afd821f12a40c2e5e7b9e291261c4b53dfb19e461cd2f6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "389fd6e63f2bb37955afd821f12a40c2e5e7b9e291261c4b53dfb19e461cd2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "389fd6e63f2bb37955afd821f12a40c2e5e7b9e291261c4b53dfb19e461cd2f6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", 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 byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[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 strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling libloading v0.5.2
[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-7c3f9ab11f333374/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' (732) 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:     0x5dc4204c1c01 - std[70759c8f55707aa4]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5dc4204c1c01 - std[70759c8f55707aa4]::backtrace_rs::backtrace::trace_unsynchronized::<std[70759c8f55707aa4]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5dc4204c1c01 - std[70759c8f55707aa4]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5dc4204c1c01 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5dc4204d7d8a - <core[df12db4294e9bfd3]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5dc4204d7d8a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      6:     0x5dc4204c6cbc - core[df12db4294e9bfd3]::io::write::default_write_fmt::<std[70759c8f55707aa4]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x5dc4204c6cbc - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x5dc4204a2826 - <std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5dc4204a2826 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5dc4204bca81 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5dc4204bcc3b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:815:13
[INFO] [stderr]     12:     0x5dc4204a28d2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:688:13
[INFO] [stderr]     13:     0x5dc42049b589 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5dc4204a30ed - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:679:5
[INFO] [stderr]     15:     0x5dc4204d85dc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5dc4203aebab - proc_macro2[cb72652eb5f039ed]::fallback::validate_ident
[INFO] [stderr]     17:     0x5dc4203ab4d1 - <proc_macro2[cb72652eb5f039ed]::fallback::Ident>::_new
[INFO] [stderr]     18:     0x5dc4203ab48f - <proc_macro2[cb72652eb5f039ed]::fallback::Ident>::new
[INFO] [stderr]     19:     0x5dc4203a67f8 - <proc_macro2[cb72652eb5f039ed]::Ident>::new
[INFO] [stderr]     20:     0x5dc4202354a5 - <bindgen[6b2d29bd7d98cce9]::ir::context::BindgenContext>::rust_ident_raw::<alloc[2182bb758b4b3781]::borrow::Cow<str>>
[INFO] [stderr]     21:     0x5dc420234eb9 - <bindgen[6b2d29bd7d98cce9]::ir::context::BindgenContext>::rust_ident::<&alloc[2182bb758b4b3781]::string::String>
[INFO] [stderr]     22:     0x5dc4201c816c - <bindgen[6b2d29bd7d98cce9]::ir::enum_ty::Enum as bindgen[6b2d29bd7d98cce9]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     23:     0x5dc420205b1c - <bindgen[6b2d29bd7d98cce9]::ir::ty::Type as bindgen[6b2d29bd7d98cce9]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     24:     0x5dc420274b7e - <bindgen[6b2d29bd7d98cce9]::ir::item::Item as bindgen[6b2d29bd7d98cce9]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     25:     0x5dc420298605 - <bindgen[6b2d29bd7d98cce9]::ir::module::Module as bindgen[6b2d29bd7d98cce9]::codegen::CodeGenerator>::codegen::{closure#0}
[INFO] [stderr]     26:     0x5dc4201b4bf7 - <bindgen[6b2d29bd7d98cce9]::ir::module::Module as bindgen[6b2d29bd7d98cce9]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     27:     0x5dc420274b59 - <bindgen[6b2d29bd7d98cce9]::ir::item::Item as bindgen[6b2d29bd7d98cce9]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     28:     0x5dc420297edb - bindgen[6b2d29bd7d98cce9]::codegen::codegen::{closure#0}
[INFO] [stderr]     29:     0x5dc420236438 - <bindgen[6b2d29bd7d98cce9]::ir::context::BindgenContext>::gen::<bindgen[6b2d29bd7d98cce9]::codegen::codegen::{closure#0}, alloc[2182bb758b4b3781]::vec::Vec<proc_macro2[cb72652eb5f039ed]::TokenStream>>
[INFO] [stderr]     30:     0x5dc4202a321f - bindgen[6b2d29bd7d98cce9]::codegen::codegen
[INFO] [stderr]     31:     0x5dc42021c84a - <bindgen[6b2d29bd7d98cce9]::Bindings>::generate
[INFO] [stderr]     32:     0x5dc420219843 - <bindgen[6b2d29bd7d98cce9]::Builder>::generate
[INFO] [stderr]     33:     0x5dc420175e65 - build_script_build[792ad3553843253a]::main
[INFO] [stderr]     34:     0x5dc420177083 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     35:     0x5dc420175ae6 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     36:     0x5dc420175be9 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     37:     0x5dc4204bbeb9 - <&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     38:     0x5dc4204bbeb9 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stderr]     39:     0x5dc4204bbeb9 - std[70759c8f55707aa4]::panicking::catch_unwind::<i32, &dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stderr]     40:     0x5dc4204bbeb9 - std[70759c8f55707aa4]::panic::catch_unwind::<&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stderr]     41:     0x5dc4204bbeb9 - std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/rt.rs:175:24
[INFO] [stderr]     42:     0x5dc4204bbeb9 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stderr]     43:     0x5dc4204bbeb9 - std[70759c8f55707aa4]::panicking::catch_unwind::<isize, std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stderr]     44:     0x5dc4204bbeb9 - std[70759c8f55707aa4]::panic::catch_unwind::<std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x5dc4204bbeb9 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/rt.rs:171:5
[INFO] [stderr]     46:     0x5dc420175a61 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     47:     0x5dc4201772d5 - main
[INFO] [stderr]     48:     0x75c56eb52601 - <unknown>
[INFO] [stderr]     49:     0x75c56eb52718 - __libc_start_main
[INFO] [stderr]     50:     0x5dc420175325 - _start
[INFO] [stderr]     51:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "389fd6e63f2bb37955afd821f12a40c2e5e7b9e291261c4b53dfb19e461cd2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389fd6e63f2bb37955afd821f12a40c2e5e7b9e291261c4b53dfb19e461cd2f6", kill_on_drop: false }`
[INFO] [stdout] 389fd6e63f2bb37955afd821f12a40c2e5e7b9e291261c4b53dfb19e461cd2f6
