[INFO] fetching crate failure 0.1.8...
[INFO] testing failure-0.1.8 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate failure 0.1.8 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate failure 0.1.8 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate failure 0.1.8
[INFO] finished tweaking crates.io crate failure 0.1.8
[INFO] tweaked toml for crates.io crate failure 0.1.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate failure 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.46
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] [stderr]   Downloaded backtrace-sys v0.1.37
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded failure_derive v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef277cc3ac50a681d5dc14d7849f78e51e853f45673a8dd3694998fc1b80ed43
[INFO] running `Command { std: "docker" "start" "-a" "ef277cc3ac50a681d5dc14d7849f78e51e853f45673a8dd3694998fc1b80ed43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef277cc3ac50a681d5dc14d7849f78e51e853f45673a8dd3694998fc1b80ed43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef277cc3ac50a681d5dc14d7849f78e51e853f45673a8dd3694998fc1b80ed43", kill_on_drop: false }`
[INFO] [stdout] ef277cc3ac50a681d5dc14d7849f78e51e853f45673a8dd3694998fc1b80ed43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e87bbb9f5969aefb35503d6f083b634c6aef19df536bcc088e31f6d8ee550b
[INFO] running `Command { std: "docker" "start" "-a" "89e87bbb9f5969aefb35503d6f083b634c6aef19df536bcc088e31f6d8ee550b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "89e87bbb9f5969aefb35503d6f083b634c6aef19df536bcc088e31f6d8ee550b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e87bbb9f5969aefb35503d6f083b634c6aef19df536bcc088e31f6d8ee550b", kill_on_drop: false }`
[INFO] [stdout] 89e87bbb9f5969aefb35503d6f083b634c6aef19df536bcc088e31f6d8ee550b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bfcb8c8af5719253a8cbd7d4d3211750da08e93296a7efb62fb27fe38a4a91a
[INFO] running `Command { std: "docker" "start" "-a" "8bfcb8c8af5719253a8cbd7d4d3211750da08e93296a7efb62fb27fe38a4a91a", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/string_custom_error_pattern.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/error_as_cause.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for cause in Fail::iter_causes(&bad_function().unwrap_err()) {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for cause in <dyn Fail>::iter_causes(&bad_function().unwrap_err()) {
[INFO] [stdout]    |                  ++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/simple.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for cause in Fail::iter_chain(&bad_function().unwrap_err()) {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for cause in <dyn Fail>::iter_chain(&bad_function().unwrap_err()) {
[INFO] [stdout]    |                  ++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/string_custom_error_pattern.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     for cause in Fail::iter_causes(&err) {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     for cause in <dyn Fail>::iter_causes(&err) {
[INFO] [stdout]    |                  ++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "8bfcb8c8af5719253a8cbd7d4d3211750da08e93296a7efb62fb27fe38a4a91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bfcb8c8af5719253a8cbd7d4d3211750da08e93296a7efb62fb27fe38a4a91a", kill_on_drop: false }`
[INFO] [stdout] 8bfcb8c8af5719253a8cbd7d4d3211750da08e93296a7efb62fb27fe38a4a91a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c164c31126f3fa15f5d5dec0d0adb091f4fd2162aefba3d68d70cc63152f3b1
[INFO] running `Command { std: "docker" "start" "-a" "4c164c31126f3fa15f5d5dec0d0adb091f4fd2162aefba3d68d70cc63152f3b1", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/string_custom_error_pattern.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/string_custom_error_pattern.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |     for cause in Fail::iter_causes(&err) {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 |     for cause in <dyn Fail>::iter_causes(&err) {
[INFO] [stderr]    |                  ++++     +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/simple.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |     for cause in Fail::iter_chain(&bad_function().unwrap_err()) {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 19 |     for cause in <dyn Fail>::iter_chain(&bad_function().unwrap_err()) {
[INFO] [stderr]    |                  ++++     +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/error_as_cause.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |     for cause in Fail::iter_causes(&bad_function().unwrap_err()) {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 15 |     for cause in <dyn Fail>::iter_causes(&bad_function().unwrap_err()) {
[INFO] [stderr]    |                  ++++     +
[INFO] [stderr] 
[INFO] [stderr] warning: `failure` (example "string_custom_error_pattern") generated 2 warnings (run `cargo fix --example "string_custom_error_pattern"` to apply 2 suggestions)
[INFO] [stderr] warning: `failure` (example "simple") generated 1 warning (run `cargo fix --example "simple"` to apply 1 suggestion)
[INFO] [stderr] warning: `failure` (example "error_as_cause") generated 1 warning (run `cargo fix --example "error_as_cause"` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/failure-0ec4b9b37aee7c40)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test backtrace::internal::tests::always_enabled_if_failure_is_set_to_yes ... ok
[INFO] [stdout] test backtrace::internal::tests::never_enabled_if_failure_is_set_to_no ... ok
[INFO] [stdout] test error::test::assert_error_is_just_data ... ok
[INFO] [stdout] test error::test::downcast_can_be_used ... ok
[INFO] [stdout] test backtrace::internal::tests::follows_general_if_failure_is_not_set ... ok
[INFO] [stdout] test context::test_map ... ok
[INFO] [stdout] test error::test::methods_seem_to_work ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- error::test::methods_seem_to_work stdout ----
[INFO] [stdout] thread 'error::test::methods_seem_to_work' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `"Custom { kind: NotFound, error: \"test\" }"`,
[INFO] [stdout]  right: `"Custom { kind: NotFound, error: \"test\" }\n\n   0: failure::backtrace::internal::InternalBacktrace::new\n             at src/backtrace/internal.rs:46\n   1: failure::backtrace::Backtrace::new\n             at src/backtrace/mod.rs:121\n   2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from\n             at src/error/error_impl.rs:19\n   3: <failure::error::Error as core::convert::From<F>>::from\n             at src/error/mod.rs:36\n   4: <T as core::convert::Into<U>>::into\n             at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/convert/mod.rs:727\n   5: failure::error::test::methods_seem_to_work\n             at src/error/mod.rs:225\n   6: failure::error::test::methods_seem_to_work::{{closure}}\n             at src/error/mod.rs:223\n   7: core::ops::function::FnOnce::call_once\n             at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250\n   8: core::ops::function::FnOnce::call_once\n             at library/core/src/ops/function.rs:250\n      test::__rust_begin_short_backtrace\n             at library/test/src/lib.rs:655\n   9: test::run_test::{{closure}}\n             at library/test/src/lib.rs:646\n      core::ops::function::FnOnce::call_once{{vtable.shim}}\n             at library/core/src/ops/function.rs:250\n  10: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once\n             at library/alloc/src/boxed.rs:1973\n      <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once\n             at library/core/src/panic/unwind_safe.rs:271\n      std::panicking::try::do_call\n             at library/std/src/panicking.rs:485\n      std::panicking::try\n             at library/std/src/panicking.rs:449\n      std::panic::catch_unwind\n             at library/std/src/panic.rs:140\n      test::run_test_in_process\n             at library/test/src/lib.rs:678\n      test::run_test::run_test_inner::{{closure}}\n             at library/test/src/lib.rs:572\n  11: test::run_test::run_test_inner::{{closure}}\n             at library/test/src/lib.rs:599\n      std::sys_common::backtrace::__rust_begin_short_backtrace\n             at library/std/src/sys_common/backtrace.rs:134\n  12: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}\n             at library/std/src/thread/mod.rs:526\n      <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once\n             at library/core/src/panic/unwind_safe.rs:271\n      std::panicking::try::do_call\n             at library/std/src/panicking.rs:485\n      std::panicking::try\n             at library/std/src/panicking.rs:449\n      std::panic::catch_unwind\n             at library/std/src/panic.rs:140\n      std::thread::Builder::spawn_unchecked_::{{closure}}\n             at library/std/src/thread/mod.rs:525\n      core::ops::function::FnOnce::call_once{{vtable.shim}}\n             at library/core/src/ops/function.rs:250\n  13: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once\n             at library/alloc/src/boxed.rs:1973\n      <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once\n             at library/alloc/src/boxed.rs:1973\n      std::sys::unix::thread::Thread::new::thread_start\n             at library/std/src/sys/unix/thread.rs:108\n  14: <unknown>\n  15: __clone\n"`', src/error/mod.rs:228:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55967e2ec93a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x55967e2ec93a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55967e2ec93a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x55967e2ec93a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55967e3105bf - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]    5:     0x55967e2e9be5 - std::io::Write::write_fmt::hd24bfb68a1b35a25
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]    6:     0x55967e2ec705 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x55967e2ec705 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x55967e2ee3be - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]    9:     0x55967e2ee0f1 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:285:9
[INFO] [stdout]   10:     0x55967e293bcb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h87fe9f7b2fd49e4c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   11:     0x55967e293bcb - test::test_main::{{closure}}::he94d679243a7531b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x55967e2eeaa4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f2d6d8b14c4769f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   13:     0x55967e2eeaa4 - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:695:13
[INFO] [stdout]   14:     0x55967e2ee819 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stdout]   15:     0x55967e2ecda6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x55967e2ee572 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stdout]   17:     0x55967e258c83 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stdout]   18:     0x55967e25904f - core::panicking::assert_failed_inner::haef49168e1798a91
[INFO] [stdout]   19:     0x55967e26008a - core::panicking::assert_failed::h347c3d230efa32fc
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:228:5
[INFO] [stdout]   20:     0x55967e25f83c - failure::error::test::methods_seem_to_work::h11c52cae702f52a2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error/mod.rs:228:9
[INFO] [stdout]   21:     0x55967e25f477 - failure::error::test::methods_seem_to_work::{{closure}}::hec1ca764ce8a9061
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error/mod.rs:223:31
[INFO] [stdout]   22:     0x55967e25b915 - core::ops::function::FnOnce::call_once::h23f2e87604d5ac18
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55967e298a9f - core::ops::function::FnOnce::call_once::ha6a70e79f7481a7e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55967e298a9f - test::__rust_begin_short_backtrace::hce33033019b61e69
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:655:18
[INFO] [stdout]   25:     0x55967e26628c - test::run_test::{{closure}}::h858d3528838ae3e5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:646:30
[INFO] [stdout]   26:     0x55967e26628c - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8ac2b00f01ae79e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x55967e297b76 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8093d25b522725ef
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   28:     0x55967e297b76 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5c334c204e4a3913
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x55967e297b76 - std::panicking::try::do_call::ha8b740c7b9478074
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   30:     0x55967e297b76 - std::panicking::try::h5d34f63d0e41b64e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   31:     0x55967e297b76 - std::panic::catch_unwind::hcfbb511e1aa7fc67
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x55967e297b76 - test::run_test_in_process::h9abda90f802eaf21
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:678:27
[INFO] [stdout]   33:     0x55967e297b76 - test::run_test::run_test_inner::{{closure}}::h0f058de91f6c6edf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:572:39
[INFO] [stdout]   34:     0x55967e260a95 - test::run_test::run_test_inner::{{closure}}::h5ca48a4c59c6c1fb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:599:37
[INFO] [stdout]   35:     0x55967e260a95 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32bd51e1495d4a33
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   36:     0x55967e265fd1 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc086fae9b128b2db
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:526:17
[INFO] [stdout]   37:     0x55967e265fd1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb66571888d270d43
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x55967e265fd1 - std::panicking::try::do_call::h4fa2ef4f6e51fecf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   39:     0x55967e265fd1 - std::panicking::try::h1e9e22b8584489b5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   40:     0x55967e265fd1 - std::panic::catch_unwind::h44698a3de0e0769e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:     0x55967e265fd1 - std::thread::Builder::spawn_unchecked_::{{closure}}::h50153abde3fe239e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:525:30
[INFO] [stdout]   42:     0x55967e265fd1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hbe5bbf6f38394364
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55967e2f2f75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0d83cb2920a49046
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   44:     0x55967e2f2f75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbe0a008aa7d9ef59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   45:     0x55967e2f2f75 - std::sys::unix::thread::Thread::new::thread_start::h3a466996bdf6b1f9
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f783f0a6b43 - <unknown>
[INFO] [stdout]   47:     0x7f783f137bb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     error::test::methods_seem_to_work
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "4c164c31126f3fa15f5d5dec0d0adb091f4fd2162aefba3d68d70cc63152f3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c164c31126f3fa15f5d5dec0d0adb091f4fd2162aefba3d68d70cc63152f3b1", kill_on_drop: false }`
[INFO] [stdout] 4c164c31126f3fa15f5d5dec0d0adb091f4fd2162aefba3d68d70cc63152f3b1
