[INFO] fetching crate failure 0.1.8...
[INFO] testing failure-0.1.8 against 1.54.0 for beta-1.55-1
[INFO] extracting crate failure 0.1.8 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate failure 0.1.8 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-61/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: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 126a4113793bf9ca47aa781352518341c66093248d259f89e8a8bab766d2e29f
[INFO] running `Command { std: "docker" "start" "-a" "126a4113793bf9ca47aa781352518341c66093248d259f89e8a8bab766d2e29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "126a4113793bf9ca47aa781352518341c66093248d259f89e8a8bab766d2e29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126a4113793bf9ca47aa781352518341c66093248d259f89e8a8bab766d2e29f", kill_on_drop: false }`
[INFO] [stdout] 126a4113793bf9ca47aa781352518341c66093248d259f89e8a8bab766d2e29f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d300e0b7d4d0f0633aaf4e7c149fdf5ea5cb82792f1b4ca8a91563ed2b0aa0b
[INFO] running `Command { std: "docker" "start" "-a" "3d300e0b7d4d0f0633aaf4e7c149fdf5ea5cb82792f1b4ca8a91563ed2b0aa0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling cc v1.0.52
[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 7.86s
[INFO] running `Command { std: "docker" "inspect" "3d300e0b7d4d0f0633aaf4e7c149fdf5ea5cb82792f1b4ca8a91563ed2b0aa0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d300e0b7d4d0f0633aaf4e7c149fdf5ea5cb82792f1b4ca8a91563ed2b0aa0b", kill_on_drop: false }`
[INFO] [stdout] 3d300e0b7d4d0f0633aaf4e7c149fdf5ea5cb82792f1b4ca8a91563ed2b0aa0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db3224bc32074152fb78a6b2bd8702207151c4b53cb695871a01369cc82907f9
[INFO] running `Command { std: "docker" "start" "-a" "db3224bc32074152fb78a6b2bd8702207151c4b53cb695871a01369cc82907f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "db3224bc32074152fb78a6b2bd8702207151c4b53cb695871a01369cc82907f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3224bc32074152fb78a6b2bd8702207151c4b53cb695871a01369cc82907f9", kill_on_drop: false }`
[INFO] [stdout] db3224bc32074152fb78a6b2bd8702207151c4b53cb695871a01369cc82907f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d88873367614e2f8ac6075180e23714736bf8fdeef8d6a0a661ec51cfc5dd254
[INFO] running `Command { std: "docker" "start" "-a" "d88873367614e2f8ac6075180e23714736bf8fdeef8d6a0a661ec51cfc5dd254", kill_on_drop: false }`
[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]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[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]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/failure-18bdc5b4a0d0fd12)
[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::follows_general_if_failure_is_not_set ... 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 context::test_map ... ok
[INFO] [stdout] test error::test::downcast_can_be_used ... 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/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/convert/mod.rs:538\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/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227\n   8: core::ops::function::FnOnce::call_once\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227\n      test::__rust_begin_short_backtrace\n             at library/test/src/lib.rs:577\n   9: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575\n      <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347\n      std::panicking::try::do_call\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401\n      std::panicking::try\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365\n      std::panic::catch_unwind\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434\n      test::run_test_in_process\n             at library/test/src/lib.rs:600\n      test::run_test::run_test_inner::{{closure}}\n             at library/test/src/lib.rs:492\n  10: test::run_test::run_test_inner::{{closure}}\n             at library/test/src/lib.rs:519\n      std::sys_common::backtrace::__rust_begin_short_backtrace\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125\n  11: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481\n      <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347\n      std::panicking::try::do_call\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401\n      std::panicking::try\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365\n      std::panic::catch_unwind\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434\n      std::thread::Builder::spawn_unchecked::{{closure}}\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480\n      core::ops::function::FnOnce::call_once{{vtable.shim}}\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227\n  12: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575\n      <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once\n             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575\n      std::sys::unix::thread::Thread::new::thread_start\n             at library/std/src/sys/unix/thread.rs:71\n  13: start_thread\n  14: __clone\n"`', src/error/mod.rs:228:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5614056b29e0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5614056b29e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5614056b29e0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5614056b29e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5614056d51dc - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x5614056af865 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x5614056b4b4b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5614056b4b4b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5614056b4b4b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5614056b465c - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5614056b5214 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5614056b4cf7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5614056b2edc - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5614056b4c59 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x561405626731 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x5614056d3af8 - core::panicking::assert_failed_inner::h33b45280069a80ed
[INFO] [stdout]   16:     0x56140562913a - core::panicking::assert_failed::h57cde26c8e4c2608
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x56140562cc78 - failure::error::test::methods_seem_to_work::h5c4e1019a8ea7bba
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error/mod.rs:228:9
[INFO] [stdout]   18:     0x56140562c80a - failure::error::test::methods_seem_to_work::{{closure}}::h571baaba0a74d025
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error/mod.rs:223:5
[INFO] [stdout]   19:     0x56140562988e - core::ops::function::FnOnce::call_once::h18d2036ef37f59dc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x561405657023 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x561405657023 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x561405655ae0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x561405655ae0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x561405655ae0 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x561405655ae0 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x561405655ae0 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x561405655ae0 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x561405655ae0 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x56140562f192 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x56140562f192 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x561405632d48 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x561405632d48 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x561405632d48 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x561405632d48 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x561405632d48 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x561405632d48 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x561405632d48 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x5614056b9cd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x5614056b9cd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x5614056b9cd7 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7fc7d8f40609 - start_thread
[INFO] [stdout]   42:     0x7fc7d91cb293 - clone
[INFO] [stdout]   43:                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 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "d88873367614e2f8ac6075180e23714736bf8fdeef8d6a0a661ec51cfc5dd254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88873367614e2f8ac6075180e23714736bf8fdeef8d6a0a661ec51cfc5dd254", kill_on_drop: false }`
[INFO] [stdout] d88873367614e2f8ac6075180e23714736bf8fdeef8d6a0a661ec51cfc5dd254
