Sep 01 07:24:07.177 INFO checking scraper-0.6.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 07:24:07.177 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 07:24:07.177 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 07:24:07.425 INFO blam! 8d472f3287d7fb7622bca02cf1158a5583d71fde0693d21a98792d3d91f3749d
Sep 01 07:24:07.425 INFO running `"docker" "start" "-a" "8d472f3287d7fb7622bca02cf1158a5583d71fde0693d21a98792d3d91f3749d"`
Sep 01 07:24:08.576 INFO kablam!     Checking ego-tree v0.3.0
Sep 01 07:24:08.577 INFO kablam!     Checking servo_arc v0.1.1
Sep 01 07:24:08.579 INFO kablam!    Compiling selectors v0.19.0
Sep 01 07:24:08.580 INFO kablam!    Compiling cssparser-macros v0.3.4
Sep 01 07:24:08.581 INFO kablam!    Compiling markup5ever v0.7.2
Sep 01 07:24:17.941 INFO kablam!     Checking cssparser v0.23.10
Sep 01 07:24:18.675 INFO kablam! thread '<unnamed>' panicked at 'procedural macro API is used outside of a procedural macro', libproc_macro/lib.rs:1295:13
Sep 01 07:24:18.675 INFO kablam! stack backtrace:
Sep 01 07:24:18.890 INFO kablam!    0:     0x7f4cb57e22de - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h9bce1f9a537b140d
Sep 01 07:24:18.891 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 01 07:24:18.891 INFO kablam!    1:     0x7f4cb57bb106 - std::sys_common::backtrace::print::h7cc2650c15d0dddd
Sep 01 07:24:18.892 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 01 07:24:18.892 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 01 07:24:18.892 INFO kablam!    2:     0x7f4cb57b8bed - std::panicking::default_hook::{{closure}}::hec52538d990412d0
Sep 01 07:24:18.893 INFO kablam!                                at libstd/panicking.rs:211
Sep 01 07:24:18.894 INFO kablam!    3:     0x7f4cb57b8960 - std::panicking::default_hook::h49c7c9d5f399092e
Sep 01 07:24:18.894 INFO kablam!                                at libstd/panicking.rs:227
Sep 01 07:24:18.894 INFO kablam!    4:     0x7f4cb1f0397e - rustc::util::common::panic_hook::hf66c8d80d1988940
Sep 01 07:24:18.894 INFO kablam!    5:     0x7f4cb57b9373 - std::panicking::rust_panic_with_hook::h56b934afa6264269
Sep 01 07:24:18.894 INFO kablam!                                at libstd/panicking.rs:481
Sep 01 07:24:18.895 INFO kablam!    6:     0x7f4caef42586 - std::panicking::begin_panic::hb67a0b95958cc4db
Sep 01 07:24:18.897 INFO kablam!    7:     0x7f4caef34c5e - proc_macro::Span::call_site::hb8a66dad68c0f04a
Sep 01 07:24:18.899 INFO kablam!    8:     0x7f4ca5dbfeb8 - proc_macro2::imp::nightly_works::{{closure}}::h655c4faba8c3ee2d
Sep 01 07:24:18.903 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.15/src/unstable.rs:33
Sep 01 07:24:18.905 INFO kablam!    9:     0x7f4ca5db563b - std::panicking::try::do_call::hef8f8ab5e79dc11f
Sep 01 07:24:18.908 INFO kablam!                                at /checkout/src/libstd/panicking.rs:310
Sep 01 07:24:18.909 INFO kablam!   10:     0x7f4cb57f7d29 - __rust_maybe_catch_panic
Sep 01 07:24:18.912 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 01 07:24:18.914 INFO kablam!   11:     0x7f4ca5db5573 - std::panicking::try::h1b5514203281f015
Sep 01 07:24:18.917 INFO kablam!                                at /checkout/src/libstd/panicking.rs:289
Sep 01 07:24:18.919 INFO kablam!   12:     0x7f4ca5d9c4c0 - std::panic::catch_unwind::h229e9991a844ab9d
Sep 01 07:24:18.922 INFO kablam!                                at /checkout/src/libstd/panic.rs:392
Sep 01 07:24:18.924 INFO kablam!   13:     0x7f4ca5dbfe03 - proc_macro2::imp::nightly_works::h5835e503fd3a2827
Sep 01 07:24:18.927 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.15/src/unstable.rs:33
Sep 01 07:24:18.930 INFO kablam!   14:     0x7f4ca5dc01f5 - <proc_macro2::imp::TokenStream as core::str::FromStr>::from_str::hd73ff3d306717578
Sep 01 07:24:18.933 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.15/src/unstable.rs:77
Sep 01 07:24:18.935 INFO kablam!   15:     0x7f4ca5dae723 - core::str::<impl str>::parse::h936962b6a8da4972
Sep 01 07:24:18.939 INFO kablam!                                at /checkout/src/libcore/str/mod.rs:3811
Sep 01 07:24:18.942 INFO kablam!   16:     0x7f4ca5dbd02f - <proc_macro2::TokenStream as core::str::FromStr>::from_str::h55b68e789a871836
Sep 01 07:24:18.945 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.15/src/lib.rs:144
Sep 01 07:24:18.948 INFO kablam!   17:     0x7f4ca5d778f3 - core::str::<impl str>::parse::hfd97ab660efefe37
Sep 01 07:24:18.950 INFO kablam!                                at /checkout/src/libcore/str/mod.rs:3811
Sep 01 07:24:18.952 INFO kablam!   18:     0x7f4ca5b168b4 - syn::parse_str::h9ca6ae5ce77e4418
Sep 01 07:24:18.963 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/lib.rs:698
Sep 01 07:24:18.964 INFO kablam!   19:     0x7f4ca5af0ad0 - cssparser_macros::cssparser_internal__assert_ascii_lowercase__max_len::wrapped::h3b7be96b80575551
Sep 01 07:24:18.966 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-macros-0.3.4/lib.rs:26
Sep 01 07:24:18.966 INFO kablam!   20:     0x7f4ca5af15ee - cssparser_macros::cssparser_internal__assert_ascii_lowercase__max_len::{{closure}}::h64a73c949240acfb
Sep 01 07:24:18.966 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-macros-0.3.4/<define_proc_macros macros>:12
Sep 01 07:24:18.966 INFO kablam!   21:     0x7f4ca5b0a89e - std::sys_common::backtrace::__rust_begin_short_backtrace::h1562c97c0cef286b
Sep 01 07:24:18.967 INFO kablam!                                at /checkout/src/libstd/sys_common/backtrace.rs:136
Sep 01 07:24:18.967 INFO kablam!   22:     0x7f4ca5afe91f - std::thread::Builder::spawn::{{closure}}::{{closure}}::h32f555809f3ecd7e
Sep 01 07:24:18.968 INFO kablam!                                at /checkout/src/libstd/thread/mod.rs:409
Sep 01 07:24:18.968 INFO kablam!   23:     0x7f4ca5b1600f - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hce9064351ed9ff60
Sep 01 07:24:18.969 INFO kablam!                                at /checkout/src/libstd/panic.rs:313
Sep 01 07:24:18.969 INFO kablam!   24:     0x7f4ca5b1abe5 - std::panicking::try::do_call::h64562aa482cdf308
Sep 01 07:24:18.969 INFO kablam!                                at /checkout/src/libstd/panicking.rs:310
Sep 01 07:24:18.969 INFO kablam!   25:     0x7f4cb57f7d29 - __rust_maybe_catch_panic
Sep 01 07:24:18.969 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 01 07:24:18.970 INFO kablam!   26:     0x7f4ca5b1aa0e - std::panicking::try::ha6b643c2fd020cbc
Sep 01 07:24:18.970 INFO kablam!                                at /checkout/src/libstd/panicking.rs:289
Sep 01 07:24:18.970 INFO kablam!   27:     0x7f4ca5b1625f - std::panic::catch_unwind::h352221f554274058
Sep 01 07:24:18.970 INFO kablam!                                at /checkout/src/libstd/panic.rs:392
Sep 01 07:24:18.970 INFO kablam!   28:     0x7f4ca5afe719 - std::thread::Builder::spawn::{{closure}}::hd5ef051a94204e25
Sep 01 07:24:18.970 INFO kablam!                                at /checkout/src/libstd/thread/mod.rs:408
Sep 01 07:24:18.970 INFO kablam!   29:     0x7f4ca5aff2ef - <F as alloc::boxed::FnBox<A>>::call_box::h7a0351d51c731c5f
Sep 01 07:24:18.970 INFO kablam!                                at /checkout/src/liballoc/boxed.rs:646
Sep 01 07:24:18.970 INFO kablam!   30:     0x7f4cb57e6d3a - std::sys_common::thread::start_thread::h68936c21b85ae23b
Sep 01 07:24:18.971 INFO kablam!                                at /checkout/src/liballoc/boxed.rs:656
Sep 01 07:24:18.972 INFO kablam!                                at libstd/sys_common/thread.rs:24
Sep 01 07:24:18.972 INFO kablam!   31:     0x7f4cb57ba025 - std::sys::unix::thread::Thread::new::thread_start::hfb2859da3fb45e71
Sep 01 07:24:18.972 INFO kablam!                                at libstd/sys/unix/thread.rs:90
Sep 01 07:24:18.972 INFO kablam!   32:     0x7f4caf9f96b9 - start_thread
Sep 01 07:24:18.972 INFO kablam!   33:     0x7f4cb54a041c - clone
Sep 01 07:24:18.972 INFO kablam!   34:                0x0 - <unknown>
Sep 01 07:24:18.972 INFO kablam! query stack during panic:
Sep 01 07:24:18.972 INFO kablam! end of query stack
Sep 01 07:24:24.010 INFO kablam!     Checking html5ever v0.22.3
Sep 01 07:24:24.474 INFO kablam! thread '<unnamed>' panicked at 'procedural macro API is used outside of a procedural macro', libproc_macro/lib.rs:1295:13
Sep 01 07:24:24.474 INFO kablam! stack backtrace:
Sep 01 07:24:24.671 INFO kablam!    0:     0x7fa3a3fd32de - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h9bce1f9a537b140d
Sep 01 07:24:24.675 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 01 07:24:24.678 INFO kablam!    1:     0x7fa3a3fac106 - std::sys_common::backtrace::print::h7cc2650c15d0dddd
Sep 01 07:24:24.683 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 01 07:24:24.686 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 01 07:24:24.690 INFO kablam!    2:     0x7fa3a3fa9bed - std::panicking::default_hook::{{closure}}::hec52538d990412d0
Sep 01 07:24:24.694 INFO kablam!                                at libstd/panicking.rs:211
Sep 01 07:24:24.697 INFO kablam!    3:     0x7fa3a3fa9960 - std::panicking::default_hook::h49c7c9d5f399092e
Sep 01 07:24:24.700 INFO kablam!                                at libstd/panicking.rs:227
Sep 01 07:24:24.704 INFO kablam!    4:     0x7fa3a06f497e - rustc::util::common::panic_hook::hf66c8d80d1988940
Sep 01 07:24:24.706 INFO kablam!    5:     0x7fa3a3faa373 - std::panicking::rust_panic_with_hook::h56b934afa6264269
Sep 01 07:24:24.710 INFO kablam!                                at libstd/panicking.rs:481
Sep 01 07:24:24.712 INFO kablam!    6:     0x7fa39d733586 - std::panicking::begin_panic::hb67a0b95958cc4db
Sep 01 07:24:24.715 INFO kablam!    7:     0x7fa39d725c5e - proc_macro::Span::call_site::hb8a66dad68c0f04a
Sep 01 07:24:24.719 INFO kablam!    8:     0x7fa3942f4eb8 - proc_macro2::imp::nightly_works::{{closure}}::h655c4faba8c3ee2d
Sep 01 07:24:24.723 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.15/src/unstable.rs:33
Sep 01 07:24:24.726 INFO kablam!    9:     0x7fa3942ea63b - std::panicking::try::do_call::hef8f8ab5e79dc11f
Sep 01 07:24:24.730 INFO kablam!                                at /checkout/src/libstd/panicking.rs:310
Sep 01 07:24:24.731 INFO kablam!   10:     0x7fa3a3fe8d29 - __rust_maybe_catch_panic
Sep 01 07:24:24.735 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 01 07:24:24.737 INFO kablam!   11:     0x7fa3942ea573 - std::panicking::try::h1b5514203281f015
Sep 01 07:24:24.741 INFO kablam!                                at /checkout/src/libstd/panicking.rs:289
Sep 01 07:24:24.743 INFO kablam!   12:     0x7fa3942d14c0 - std::panic::catch_unwind::h229e9991a844ab9d
Sep 01 07:24:24.748 INFO kablam!                                at /checkout/src/libstd/panic.rs:392
Sep 01 07:24:24.750 INFO kablam!   13:     0x7fa3942f4e03 - proc_macro2::imp::nightly_works::h5835e503fd3a2827
Sep 01 07:24:24.754 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.15/src/unstable.rs:33
Sep 01 07:24:24.758 INFO kablam!   14:     0x7fa3942f51f5 - <proc_macro2::imp::TokenStream as core::str::FromStr>::from_str::hd73ff3d306717578
Sep 01 07:24:24.761 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.15/src/unstable.rs:77
Sep 01 07:24:24.763 INFO kablam!   15:     0x7fa3942e3723 - core::str::<impl str>::parse::h936962b6a8da4972
Sep 01 07:24:24.768 INFO kablam!                                at /checkout/src/libcore/str/mod.rs:3811
Sep 01 07:24:24.771 INFO kablam!   16:     0x7fa3942f202f - <proc_macro2::TokenStream as core::str::FromStr>::from_str::h55b68e789a871836
Sep 01 07:24:24.775 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.15/src/lib.rs:144
Sep 01 07:24:24.779 INFO kablam!   17:     0x7fa3942ac8f3 - core::str::<impl str>::parse::hfd97ab660efefe37
Sep 01 07:24:24.782 INFO kablam!                                at /checkout/src/libcore/str/mod.rs:3811
Sep 01 07:24:24.785 INFO kablam!   18:     0x7fa39404b8b4 - syn::parse_str::h9ca6ae5ce77e4418
Sep 01 07:24:24.789 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/lib.rs:698
Sep 01 07:24:24.792 INFO kablam!   19:     0x7fa394025ad0 - cssparser_macros::cssparser_internal__assert_ascii_lowercase__max_len::wrapped::h3b7be96b80575551
Sep 01 07:24:24.796 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-macros-0.3.4/lib.rs:26
Sep 01 07:24:24.799 INFO kablam!   20:     0x7fa3940265ee - cssparser_macros::cssparser_internal__assert_ascii_lowercase__max_len::{{closure}}::h64a73c949240acfb
Sep 01 07:24:24.802 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-macros-0.3.4/<define_proc_macros macros>:12
Sep 01 07:24:24.805 INFO kablam!   21:     0x7fa39403f89e - std::sys_common::backtrace::__rust_begin_short_backtrace::h1562c97c0cef286b
Sep 01 07:24:24.810 INFO kablam!                                at /checkout/src/libstd/sys_common/backtrace.rs:136
Sep 01 07:24:24.814 INFO kablam!   22:     0x7fa39403391f - std::thread::Builder::spawn::{{closure}}::{{closure}}::h32f555809f3ecd7e
Sep 01 07:24:24.819 INFO kablam!                                at /checkout/src/libstd/thread/mod.rs:409
Sep 01 07:24:24.824 INFO kablam!   23:     0x7fa39404b00f - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hce9064351ed9ff60
Sep 01 07:24:24.827 INFO kablam!                                at /checkout/src/libstd/panic.rs:313
Sep 01 07:24:24.830 INFO kablam!   24:     0x7fa39404fbe5 - std::panicking::try::do_call::h64562aa482cdf308
Sep 01 07:24:24.834 INFO kablam!                                at /checkout/src/libstd/panicking.rs:310
Sep 01 07:24:24.835 INFO kablam!   25:     0x7fa3a3fe8d29 - __rust_maybe_catch_panic
Sep 01 07:24:24.839 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 01 07:24:24.841 INFO kablam!   26:     0x7fa39404fa0e - std::panicking::try::ha6b643c2fd020cbc
Sep 01 07:24:24.844 INFO kablam!                                at /checkout/src/libstd/panicking.rs:289
Sep 01 07:24:24.847 INFO kablam!   27:     0x7fa39404b25f - std::panic::catch_unwind::h352221f554274058
Sep 01 07:24:24.850 INFO kablam!                                at /checkout/src/libstd/panic.rs:392
Sep 01 07:24:24.853 INFO kablam!   28:     0x7fa394033719 - std::thread::Builder::spawn::{{closure}}::hd5ef051a94204e25
Sep 01 07:24:24.856 INFO kablam!                                at /checkout/src/libstd/thread/mod.rs:408
Sep 01 07:24:24.860 INFO kablam!   29:     0x7fa3940342ef - <F as alloc::boxed::FnBox<A>>::call_box::h7a0351d51c731c5f
Sep 01 07:24:24.862 INFO kablam!                                at /checkout/src/liballoc/boxed.rs:646
Sep 01 07:24:24.865 INFO kablam!   30:     0x7fa3a3fd7d3a - std::sys_common::thread::start_thread::h68936c21b85ae23b
Sep 01 07:24:24.869 INFO kablam!                                at /checkout/src/liballoc/boxed.rs:656
Sep 01 07:24:24.872 INFO kablam!                                at libstd/sys_common/thread.rs:24
Sep 01 07:24:24.875 INFO kablam!   31:     0x7fa3a3fab025 - std::sys::unix::thread::Thread::new::thread_start::hfb2859da3fb45e71
Sep 01 07:24:24.878 INFO kablam!                                at libstd/sys/unix/thread.rs:90
Sep 01 07:24:24.880 INFO kablam!   32:     0x7fa39e1ea6b9 - start_thread
Sep 01 07:24:24.881 INFO kablam!   33:     0x7fa3a3c9141c - clone
Sep 01 07:24:24.884 INFO kablam!   34:                0x0 - <unknown>
Sep 01 07:24:24.885 INFO kablam! query stack during panic:
Sep 01 07:24:24.885 INFO kablam! end of query stack
Sep 01 07:24:30.143 INFO kablam!     Checking scraper v0.6.0 (file:///source)
Sep 01 07:24:33.803 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 25.45s
Sep 01 07:24:33.810 INFO kablam! su: No module specific data is present
Sep 01 07:24:34.209 INFO running `"docker" "rm" "-f" "8d472f3287d7fb7622bca02cf1158a5583d71fde0693d21a98792d3d91f3749d"`
Sep 01 07:24:34.308 INFO blam! 8d472f3287d7fb7622bca02cf1158a5583d71fde0693d21a98792d3d91f3749d