[INFO] crate sulfur 0.1.0 is already in cache
[INFO] extracting crate sulfur 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/sulfur/0.1.0
[INFO] extracting crate sulfur 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sulfur/0.1.0
[INFO] validating manifest of sulfur-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sulfur-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sulfur-0.1.0
[INFO] finished frobbing sulfur-0.1.0
[INFO] frobbed toml for sulfur-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/sulfur/0.1.0/Cargo.toml
[INFO] started frobbing sulfur-0.1.0
[INFO] finished frobbing sulfur-0.1.0
[INFO] frobbed toml for sulfur-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sulfur/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sulfur-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/sulfur/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a0823a17a0215039f25bda075fa38a2475d279e025f0569ac8755ed6c2ecf695
[INFO] running `"docker" "start" "-a" "a0823a17a0215039f25bda075fa38a2475d279e025f0569ac8755ed6c2ecf695"`
[INFO] [stderr]    Compiling sulfur v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `"docker" "inspect" "a0823a17a0215039f25bda075fa38a2475d279e025f0569ac8755ed6c2ecf695"`
[INFO] running `"docker" "rm" "-f" "a0823a17a0215039f25bda075fa38a2475d279e025f0569ac8755ed6c2ecf695"`
[INFO] [stdout] a0823a17a0215039f25bda075fa38a2475d279e025f0569ac8755ed6c2ecf695
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/sulfur/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cf2f9f247d64eed57e43777d60c3969dd3660bad60cfe457bf85f280b7bb9045
[INFO] running `"docker" "start" "-a" "cf2f9f247d64eed57e43777d60c3969dd3660bad60cfe457bf85f280b7bb9045"`
[INFO] [stderr]    Compiling headers-derive v0.1.0
[INFO] [stderr]    Compiling headers v0.2.1
[INFO] [stderr]    Compiling warp v0.1.18
[INFO] [stderr]    Compiling sulfur v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.79s
[INFO] running `"docker" "inspect" "cf2f9f247d64eed57e43777d60c3969dd3660bad60cfe457bf85f280b7bb9045"`
[INFO] running `"docker" "rm" "-f" "cf2f9f247d64eed57e43777d60c3969dd3660bad60cfe457bf85f280b7bb9045"`
[INFO] [stdout] cf2f9f247d64eed57e43777d60c3969dd3660bad60cfe457bf85f280b7bb9045
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/sulfur/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 746561740e2cf7d010218814276faf0cec4f58b1b86576e59025af1459ff542e
[INFO] running `"docker" "start" "-a" "746561740e2cf7d010218814276faf0cec4f58b1b86576e59025af1459ff542e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sulfur-bc24b5722e27e7ab
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/canary-af463312f692c1e6
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test form_element_clearing ... FAILED
[INFO] [stdout] test find_text_present_from_child ... FAILED
[INFO] [stdout] test form_submission ... FAILED
[INFO] [stdout] test find_multiple_elements ... FAILED
[INFO] [stdout] test find_text_present ... FAILED
[INFO] [stdout] test find_tag_name ... FAILED
[INFO] [stdout] test can_navigate ... FAILED
[INFO] [stdout] test find_multiple_elements_from_child ... FAILED
[INFO] [stdout] test can_run_chromedriver ... FAILED
[INFO] [stdout] test should_click_links ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- form_element_clearing stdout ----
[INFO] [stdout] thread 'form_element_clearing' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:362:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629b759fd33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5629b759aa4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5629b759de86 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5629b759dbae - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5629b759e58f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5629b759e354 - std::panicking::begin_panic::h69ca2154dadf09c7
[INFO] [stdout]                                at src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x5629b7599b8a - std::sync::once::Once::call_inner::h179d1a2b131ce906
[INFO] [stdout]                                at src/libstd/sync/once.rs:362
[INFO] [stdout]    7:     0x5629b6b7bd2c - std::sync::once::Once::call_once::h53132949381b5756
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]    8:     0x5629b6b64021 - <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]    9:     0x5629b6b67d40 - canary::form_element_clearing::hb3650c4d36dbc383
[INFO] [stdout]                                at tests/canary.rs:285
[INFO] [stdout]   10:     0x5629b6b67cb9 - canary::form_element_clearing::{{closure}}::hbec2dfc2bfb4b2db
[INFO] [stdout]                                at tests/canary.rs:281
[INFO] [stdout]   11:     0x5629b6b94ddd - core::ops::function::FnOnce::call_once::haf5d072b38e18ac1
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   12:     0x5629b6c05cae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   13:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14:     0x5629b6c205a7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   15:     0x5629b6bfafc4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   16:     0x5629b6bff074 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   17:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   18:     0x5629b6bff681 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   19:     0x5629b758e5de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   20:     0x5629b75a5c4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21:     0x7f7ec2dd64a3 - start_thread
[INFO] [stdout]   22:     0x7f7ec2901d0e - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- find_text_present_from_child stdout ----
[INFO] [stdout] thread 'find_text_present_from_child' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:362:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629b759fd33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5629b759aa4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5629b759de86 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5629b759dbae - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5629b759e58f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5629b759e354 - std::panicking::begin_panic::h69ca2154dadf09c7
[INFO] [stdout]                                at src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x5629b7599b8a - std::sync::once::Once::call_inner::h179d1a2b131ce906
[INFO] [stdout]                                at src/libstd/sync/once.rs:362
[INFO] [stdout]    7:     0x5629b6b7bd2c - std::sync::once::Once::call_once::h53132949381b5756
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]    8:     0x5629b6b64021 - <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]    9:     0x5629b6b65d80 - canary::find_text_present_from_child::hdd1d3a92014086ea
[INFO] [stdout]                                at tests/canary.rs:187
[INFO] [stdout]   10:     0x5629b6b65cf9 - canary::find_text_present_from_child::{{closure}}::h93638929c22568a3
[INFO] [stdout]                                at tests/canary.rs:183
[INFO] [stdout]   11:     0x5629b6b9459d - core::ops::function::FnOnce::call_once::h51c5663ca83a6a0d
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   12:     0x5629b6c05cae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   13:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14:     0x5629b6c205a7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   15:     0x5629b6bfafc4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   16:     0x5629b6bff074 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   17:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   18:     0x5629b6bff681 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   19:     0x5629b758e5de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   20:     0x5629b75a5c4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21:     0x7f7ec2dd64a3 - start_thread
[INFO] [stdout]   22:     0x7f7ec2901d0e - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- form_submission stdout ----
[INFO] [stdout] thread 'form_submission' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:362:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629b759fd33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5629b759aa4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5629b759de86 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5629b759dbae - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5629b759e58f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5629b759e354 - std::panicking::begin_panic::h69ca2154dadf09c7
[INFO] [stdout]                                at src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x5629b7599b8a - std::sync::once::Once::call_inner::h179d1a2b131ce906
[INFO] [stdout]                                at src/libstd/sync/once.rs:362
[INFO] [stdout]    7:     0x5629b6b7bd2c - std::sync::once::Once::call_once::h53132949381b5756
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]    8:     0x5629b6b64021 - <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]    9:     0x5629b6b67100 - canary::form_submission::had6adcbea75dc0ee
[INFO] [stdout]                                at tests/canary.rs:253
[INFO] [stdout]   10:     0x5629b6b67079 - canary::form_submission::{{closure}}::hce18c2542b6f485a
[INFO] [stdout]                                at tests/canary.rs:249
[INFO] [stdout]   11:     0x5629b6b9470d - core::ops::function::FnOnce::call_once::h64887b76fc8f2ab3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   12:     0x5629b6c05cae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   13:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14:     0x5629b6c205a7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   15:     0x5629b6bfafc4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   16:     0x5629b6bff074 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   17:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   18:     0x5629b6bff681 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   19:     0x5629b758e5de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   20:     0x5629b75a5c4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21:     0x7f7ec2dd64a3 - start_thread
[INFO] [stdout]   22:     0x7f7ec2901d0e - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- find_multiple_elements stdout ----
[INFO] [stdout] thread 'find_multiple_elements' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:362:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629b759fd33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5629b759aa4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5629b759de86 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5629b759dbae - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5629b759e58f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5629b759e354 - std::panicking::begin_panic::h69ca2154dadf09c7
[INFO] [stdout]                                at src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x5629b7599b8a - std::sync::once::Once::call_inner::h179d1a2b131ce906
[INFO] [stdout]                                at src/libstd/sync/once.rs:362
[INFO] [stdout]    7:     0x5629b6b7bd2c - std::sync::once::Once::call_once::h53132949381b5756
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]    8:     0x5629b6b64021 - <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]    9:     0x5629b6b65760 - canary::find_multiple_elements::hae29e17eed17dadd
[INFO] [stdout]                                at tests/canary.rs:161
[INFO] [stdout]   10:     0x5629b6b656d9 - canary::find_multiple_elements::{{closure}}::h930a2dae37c06bd5
[INFO] [stdout]                                at tests/canary.rs:157
[INFO] [stdout]   11:     0x5629b6b94cfd - core::ops::function::FnOnce::call_once::h81e1292be4e8a1f0
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   12:     0x5629b6c05cae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   13:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14:     0x5629b6c205a7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   15:     0x5629b6bfafc4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   16:     0x5629b6bff074 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   17:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   18:     0x5629b6bff681 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   19:     0x5629b758e5de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   20:     0x5629b75a5c4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21:     0x7f7ec2dd64a3 - start_thread
[INFO] [stdout]   22:     0x7f7ec2901d0e - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- find_text_present stdout ----
[INFO] [stdout] thread 'find_text_present' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:362:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629b759fd33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5629b759aa4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5629b759de86 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5629b759dbae - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5629b759e58f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5629b759e354 - std::panicking::begin_panic::h69ca2154dadf09c7
[INFO] [stdout]                                at src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x5629b7599b8a - std::sync::once::Once::call_inner::h179d1a2b131ce906
[INFO] [stdout]                                at src/libstd/sync/once.rs:362
[INFO] [stdout]    7:     0x5629b6b7bd2c - std::sync::once::Once::call_once::h53132949381b5756
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]    8:     0x5629b6b64021 - <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]    9:     0x5629b6b64c70 - canary::find_text_present::h12ec35863a209359
[INFO] [stdout]                                at tests/canary.rs:133
[INFO] [stdout]   10:     0x5629b6b64be9 - canary::find_text_present::{{closure}}::h946973d3f4aeee63
[INFO] [stdout]                                at tests/canary.rs:129
[INFO] [stdout]   11:     0x5629b6b94e5d - core::ops::function::FnOnce::call_once::hbdef2db70a1bcee3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   12:     0x5629b6c05cae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   13:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14:     0x5629b6c205a7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   15:     0x5629b6bfafc4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   16:     0x5629b6bff074 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   17:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   18:     0x5629b6bff681 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   19:     0x5629b758e5de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   20:     0x5629b75a5c4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21:     0x7f7ec2dd64a3 - start_thread
[INFO] [stdout]   22:     0x7f7ec2901d0e - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- find_tag_name stdout ----
[INFO] [stdout] thread 'find_tag_name' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:362:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629b759fd33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5629b759aa4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5629b759de86 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5629b759dbae - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5629b759e58f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5629b759e354 - std::panicking::begin_panic::h69ca2154dadf09c7
[INFO] [stdout]                                at src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x5629b7599b8a - std::sync::once::Once::call_inner::h179d1a2b131ce906
[INFO] [stdout]                                at src/libstd/sync/once.rs:362
[INFO] [stdout]    7:     0x5629b6b7bd2c - std::sync::once::Once::call_once::h53132949381b5756
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]    8:     0x5629b6b64021 - <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]    9:     0x5629b6b6521a - canary::find_tag_name::h3b433da26e5c18a0
[INFO] [stdout]                                at tests/canary.rs:147
[INFO] [stdout]   10:     0x5629b6b65199 - canary::find_tag_name::{{closure}}::h466b23eec149a14f
[INFO] [stdout]                                at tests/canary.rs:143
[INFO] [stdout]   11:     0x5629b6b9523d - core::ops::function::FnOnce::call_once::hfc2813b98d8008e1
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   12:     0x5629b6c05cae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   13:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14:     0x5629b6c205a7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   15:     0x5629b6bfafc4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   16:     0x5629b6bff074 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   17:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   18:     0x5629b6bff681 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   19:     0x5629b758e5de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   20:     0x5629b75a5c4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21:     0x7f7ec2dd64a3 - start_thread
[INFO] [stdout]   22:     0x7f7ec2901d0e - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- can_navigate stdout ----
[INFO] [stdout] thread 'can_navigate' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:362:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629b759fd33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5629b759aa4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5629b759de86 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5629b759dbae - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5629b759e58f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5629b759e354 - std::panicking::begin_panic::h69ca2154dadf09c7
[INFO] [stdout]                                at src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x5629b7599b8a - std::sync::once::Once::call_inner::h179d1a2b131ce906
[INFO] [stdout]                                at src/libstd/sync/once.rs:362
[INFO] [stdout]    7:     0x5629b6b7bd2c - std::sync::once::Once::call_once::h53132949381b5756
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]    8:     0x5629b6b64021 - <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]    9:     0x5629b6b64450 - canary::can_navigate::h2fc3a363f89a522d
[INFO] [stdout]                                at tests/canary.rs:92
[INFO] [stdout]   10:     0x5629b6b643c9 - canary::can_navigate::{{closure}}::h959639d00fca262d
[INFO] [stdout]                                at tests/canary.rs:87
[INFO] [stdout]   11:     0x5629b6b9406d - core::ops::function::FnOnce::call_once::h081242152c580bee
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   12:     0x5629b6c05cae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   13:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14:     0x5629b6c205a7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   15:     0x5629b6bfafc4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   16:     0x5629b6bff074 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   17:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   18:     0x5629b6bff681 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   19:     0x5629b758e5de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   20:     0x5629b75a5c4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21:     0x7f7ec2dd64a3 - start_thread
[INFO] [stdout]   22:     0x7f7ec2901d0e - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- find_multiple_elements_from_child stdout ----
[INFO] [stdout] thread 'find_multiple_elements_from_child' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:362:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629b759fd33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5629b759aa4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5629b759de86 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5629b759dbae - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5629b759e58f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5629b759e354 - std::panicking::begin_panic::h69ca2154dadf09c7
[INFO] [stdout]                                at src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x5629b7599b8a - std::sync::once::Once::call_inner::h179d1a2b131ce906
[INFO] [stdout]                                at src/libstd/sync/once.rs:362
[INFO] [stdout]    7:     0x5629b6b7bd2c - std::sync::once::Once::call_once::h53132949381b5756
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]    8:     0x5629b6b64021 - <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]    9:     0x5629b6b66410 - canary::find_multiple_elements_from_child::hb932c9bda423de24
[INFO] [stdout]                                at tests/canary.rs:206
[INFO] [stdout]   10:     0x5629b6b66389 - canary::find_multiple_elements_from_child::{{closure}}::hfad77c8486da8d7e
[INFO] [stdout]                                at tests/canary.rs:202
[INFO] [stdout]   11:     0x5629b6b9519d - core::ops::function::FnOnce::call_once::hf8a7396b1ed9f615
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   12:     0x5629b6c05cae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   13:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14:     0x5629b6c205a7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   15:     0x5629b6bfafc4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   16:     0x5629b6bff074 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   17:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   18:     0x5629b6bff681 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   19:     0x5629b758e5de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   20:     0x5629b75a5c4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21:     0x7f7ec2dd64a3 - start_thread
[INFO] [stdout]   22:     0x7f7ec2901d0e - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- can_run_chromedriver stdout ----
[INFO] [stdout] thread 'can_run_chromedriver' panicked at 'ChromeDriver::start: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new::hfeab119dddb60f1c (0x5629b722f333)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stdout]    1: failure::backtrace::Backtrace::new::hc4037e0989566921 (0x5629b722f0de)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h3ef96d7a6366c07a (0x5629b6c8edda)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from::hcca1a5b41806110b (0x5629b6c76fc0)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stdout]    4: <T as core::convert::Into<U>>::into::h97d02e191163d8e2 (0x5629b6c766c0)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/convert.rs:540
[INFO] [stdout]    5: failure::context::Context<D>::with_err::h7b8d8a68883016d4 (0x5629b6c8defd)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/context.rs:105
[INFO] [stdout]    6: failure::Fail::context::h791d9f5dabbc1aaf (0x5629b6c7770e)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/lib.rs:160
[INFO] [stdout]    7: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::{{closure}}::h08df32c3a1d214bb (0x5629b6c8cd0b)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/result_ext.rs:164
[INFO] [stdout]    8: core::result::Result<T,E>::map_err::h883e1a24df31b456 (0x5629b6c75f6f)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:522
[INFO] [stdout]    9: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::ha7d9a3111942f78a (0x5629b6c79173)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/result_ext.rs:164
[INFO] [stdout]   10: sulfur::chrome::Driver::start::h2665df17617554ef (0x5629b6c7ff44)
[INFO] [stdout]              at src/chrome.rs:31
[INFO] [stdout]   11: <canary::DRIVER as core::ops::deref::Deref>::deref::__static_ref_initialize::ha4484a9f5d7dfed1 (0x5629b6b94f3f)
[INFO] [stdout]              at tests/canary.rs:24
[INFO] [stdout]       core::ops::function::FnOnce::call_once::hc5623ae0eda80ed0
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   12: lazy_static::lazy::Lazy<T>::get::{{closure}}::hba6480b71bbcd1d2 (0x5629b6b8c2d6)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28
[INFO] [stdout]   13: std::sync::once::Once::call_once::{{closure}}::h912fa32dafb4473a (0x5629b6b7c06b)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]   14: std::sync::once::Once::call_inner::h179d1a2b131ce906 (0x5629b7599b26)
[INFO] [stdout]              at src/libstd/sync/once.rs:387
[INFO] [stdout]   15: std::sync::once::Once::call_once::h53132949381b5756 (0x5629b6b7bd2d)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]   16: lazy_static::lazy::Lazy<T>::get::h39e06ff1bee9e8ad (0x5629b6b64022)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]       <canary::DRIVER as core::ops::deref::Deref>::deref::__stability::hfab00dec8dbb932b
[INFO] [stdout]              at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]       <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]              at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]   17: canary::can_run_chromedriver::h11ae174a34906f2f (0x5629b6b64302)
[INFO] [stdout]              at tests/canary.rs:43
[INFO] [stdout]   18: canary::can_run_chromedriver::{{closure}}::hb537890089ee2959 (0x5629b6b642aa)
[INFO] [stdout]              at tests/canary.rs:41
[INFO] [stdout]   19: core::ops::function::FnOnce::call_once::h17e0dfde42fb7983 (0x5629b6b9410e)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   20: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608 (0x5629b6c05caf)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   21: __rust_maybe_catch_panic (0x5629b75a691a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   22: std::panicking::try::h24368a6d38b1d93c (0x5629b6c205a8)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::hf2c3df16a559e51f
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]              at src/libtest/lib.rs:1468
[INFO] [stdout]   23: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x5629b6bfafc5)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   24: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x5629b6bff075)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   25: __rust_maybe_catch_panic (0x5629b75a691a)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   26: std::panicking::try::h9073c4fbc6488ec1 (0x5629b6bff682)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::h414e175ffeedf40c
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   27: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05 (0x5629b758e5df)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   28: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9ebda9db5f03daf3 (0x5629b75a5c50)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]       std::sys_common::thread::start_thread::ha32838ccbb8a8179
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   29: start_thread (0x7f7ec2dd64a4)
[INFO] [stdout]   30: __clone (0x7f7ec2901d0f)
[INFO] [stdout]   31: <unknown> (0x0)
[INFO] [stdout] 
[INFO] [stdout] Spawning chrome', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629b759fd33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5629b759aa4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5629b759de86 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5629b759dbae - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5629b759e58f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5629b759e111 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x5629b759dff5 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x5629b75baa2c - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x5629b6b9db98 - core::result::unwrap_failed::h53414967f36fe39a
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x5629b6ba2fc5 - core::result::Result<T,E>::expect::h7765746930327ac0
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:827
[INFO] [stdout]   10:     0x5629b6b94f5c - core::ops::function::FnOnce::call_once::hc5623ae0eda80ed0
[INFO] [stdout]                                at tests/canary.rs:24
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   11:     0x5629b6b8c2d5 - lazy_static::lazy::Lazy<T>::get::{{closure}}::hba6480b71bbcd1d2
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28
[INFO] [stdout]   12:     0x5629b6b7c06a - std::sync::once::Once::call_once::{{closure}}::h912fa32dafb4473a
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]   13:     0x5629b7599b25 - std::sync::once::Once::call_inner::h179d1a2b131ce906
[INFO] [stdout]                                at src/libstd/sync/once.rs:387
[INFO] [stdout]   14:     0x5629b6b7bd2c - std::sync::once::Once::call_once::h53132949381b5756
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]   15:     0x5629b6b64021 - <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]   16:     0x5629b6b64301 - canary::can_run_chromedriver::h11ae174a34906f2f
[INFO] [stdout]                                at tests/canary.rs:43
[INFO] [stdout]   17:     0x5629b6b642a9 - canary::can_run_chromedriver::{{closure}}::hb537890089ee2959
[INFO] [stdout]                                at tests/canary.rs:41
[INFO] [stdout]   18:     0x5629b6b9410d - core::ops::function::FnOnce::call_once::h17e0dfde42fb7983
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   19:     0x5629b6c05cae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   20:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   21:     0x5629b6c205a7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   22:     0x5629b6bfafc4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   23:     0x5629b6bff074 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   24:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   25:     0x5629b6bff681 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   26:     0x5629b758e5de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   27:     0x5629b75a5c4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   28:     0x7f7ec2dd64a3 - start_thread
[INFO] [stdout]   29:     0x7f7ec2901d0e - __clone
[INFO] [stdout]   30:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- should_click_links stdout ----
[INFO] [stdout] thread 'should_click_links' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:362:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629b759fd33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5629b759aa4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5629b759de86 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5629b759dbae - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5629b759e58f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5629b759e354 - std::panicking::begin_panic::h69ca2154dadf09c7
[INFO] [stdout]                                at src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x5629b7599b8a - std::sync::once::Once::call_inner::h179d1a2b131ce906
[INFO] [stdout]                                at src/libstd/sync/once.rs:362
[INFO] [stdout]    7:     0x5629b6b7bd2c - std::sync::once::Once::call_once::h53132949381b5756
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220
[INFO] [stdout]    8:     0x5629b6b64021 - <canary::DRIVER as core::ops::deref::Deref>::deref::h2bc1b91ab08d744b
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stdout]                                at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stdout]    9:     0x5629b6b66b00 - canary::should_click_links::h4afcc36f504a575f
[INFO] [stdout]                                at tests/canary.rs:235
[INFO] [stdout]   10:     0x5629b6b66a79 - canary::should_click_links::{{closure}}::hd223cd338bea20bc
[INFO] [stdout]                                at tests/canary.rs:231
[INFO] [stdout]   11:     0x5629b6b94c6d - core::ops::function::FnOnce::call_once::h7d5192e53c90d599
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   12:     0x5629b6c05cae - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   13:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   14:     0x5629b6c205a7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   15:     0x5629b6bfafc4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   16:     0x5629b6bff074 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   17:     0x5629b75a6919 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   18:     0x5629b6bff681 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   19:     0x5629b758e5de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   20:     0x5629b75a5c4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   21:     0x7f7ec2dd64a3 - start_thread
[INFO] [stdout]   22:     0x7f7ec2901d0e - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     can_navigate
[INFO] [stdout]     can_run_chromedriver
[INFO] [stdout]     find_multiple_elements
[INFO] [stdout]     find_multiple_elements_from_child
[INFO] [stdout]     find_tag_name
[INFO] [stdout]     find_text_present
[INFO] [stdout]     find_text_present_from_child
[INFO] [stdout]     form_element_clearing
[INFO] [stdout]     form_submission
[INFO] [stdout]     should_click_links
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 10 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test canary'
[INFO] running `"docker" "inspect" "746561740e2cf7d010218814276faf0cec4f58b1b86576e59025af1459ff542e"`
[INFO] running `"docker" "rm" "-f" "746561740e2cf7d010218814276faf0cec4f58b1b86576e59025af1459ff542e"`
[INFO] [stdout] 746561740e2cf7d010218814276faf0cec4f58b1b86576e59025af1459ff542e