[INFO] fetching crate log_err 1.1.1... [INFO] testing log_err-1.1.1 against beta-2026-04-21 for beta-1.96-1 [INFO] extracting crate log_err 1.1.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate log_err 1.1.1 [INFO] finished tweaking crates.io crate log_err 1.1.1 [INFO] tweaked toml for crates.io crate log_err 1.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate log_err 1.1.1 on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 35 packages to latest compatible versions [INFO] [stderr] Adding simplelog v0.10.2 (available: v0.12.2) [INFO] [stderr] Adding termcolor v1.1.3 (available: v1.4.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 339024a6f2cc3ca09048ed9e63e775e2835ad5e477b95dda07c2b9c67fd99832 [INFO] running `Command { std: "docker" "start" "-a" "339024a6f2cc3ca09048ed9e63e775e2835ad5e477b95dda07c2b9c67fd99832", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "339024a6f2cc3ca09048ed9e63e775e2835ad5e477b95dda07c2b9c67fd99832", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "339024a6f2cc3ca09048ed9e63e775e2835ad5e477b95dda07c2b9c67fd99832", kill_on_drop: false }` [INFO] [stdout] 339024a6f2cc3ca09048ed9e63e775e2835ad5e477b95dda07c2b9c67fd99832 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0012caed60ec9a882ac65164287503b0edaf76482b4719d45d2c505f3eca69a5 [INFO] running `Command { std: "docker" "start" "-a" "0012caed60ec9a882ac65164287503b0edaf76482b4719d45d2c505f3eca69a5", kill_on_drop: false }` [INFO] [stderr] Compiling log_err v1.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "0012caed60ec9a882ac65164287503b0edaf76482b4719d45d2c505f3eca69a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0012caed60ec9a882ac65164287503b0edaf76482b4719d45d2c505f3eca69a5", kill_on_drop: false }` [INFO] [stdout] 0012caed60ec9a882ac65164287503b0edaf76482b4719d45d2c505f3eca69a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 11f05012c31109de3f5c75f09cc4ba5e562606b48f997a9502a65eb0b1d5d1c5 [INFO] running `Command { std: "docker" "start" "-a" "11f05012c31109de3f5c75f09cc4ba5e562606b48f997a9502a65eb0b1d5d1c5", kill_on_drop: false }` [INFO] [stderr] Compiling chrono v0.4.44 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling simplelog v0.10.2 [INFO] [stderr] Compiling log_err v1.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.92s [INFO] running `Command { std: "docker" "inspect" "11f05012c31109de3f5c75f09cc4ba5e562606b48f997a9502a65eb0b1d5d1c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11f05012c31109de3f5c75f09cc4ba5e562606b48f997a9502a65eb0b1d5d1c5", kill_on_drop: false }` [INFO] [stdout] 11f05012c31109de3f5c75f09cc4ba5e562606b48f997a9502a65eb0b1d5d1c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d844ebfbb2fc253106327f53179d0e4dc1611e347860d707429808c4c46cc847 [INFO] running `Command { std: "docker" "start" "-a" "d844ebfbb2fc253106327f53179d0e4dc1611e347860d707429808c4c46cc847", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/log_err-77557dde5afc663c) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] 19:31:02 [ERROR] A wild error SHOULD appear [INFO] [stderr] 19:31:02 [ERROR] called `Option::unwrap()` on a `None` value [INFO] [stdout] test test::test_log_unwrap - should panic ... FAILED [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stdout] test test::test_option_log_expect - should panic ... ok [INFO] [stdout] test test::test_option_log_unwrap - should panic ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test::test_log_unwrap stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'test::test_log_unwrap' (17) panicked at src/lib.rs:105:89: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: SetLoggerError(()) [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x6092641c027a - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x6092641c027a - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x6092641c027a - std[128c3efe2914e152]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x6092641c027a - <::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x6092641d41ea - ::fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x6092641d41ea - core[6771d259883166e6]::fmt::write [INFO] [stdout] 6: 0x6092641c4b42 - std[128c3efe2914e152]::io::default_write_fmt::> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11 [INFO] [stdout] 7: 0x6092641c4b42 - as std[128c3efe2914e152]::io::Write>::write_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13 [INFO] [stdout] 8: 0x60926419e97f - ::print [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x60926419e97f - std[128c3efe2914e152]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x6092641b7e59 - std[128c3efe2914e152]::panicking::default_hook [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:316:9 [INFO] [stdout] 11: 0x60926411151c - core[6771d259883166e6]::ops::function::Fn<(&'a std[128c3efe2914e152]::panic::PanicHookInfo<'b>,), Output = ()> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::Fn<(&std[128c3efe2914e152]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2263:9 [INFO] [stdout] 12: 0x60926411151c - test[b137923399915ecf]::test_main_with_exit_callback::::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x6092641b8012 - core[6771d259883166e6]::ops::function::Fn<(&'a std[128c3efe2914e152]::panic::PanicHookInfo<'b>,), Output = ()> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::Fn<(&std[128c3efe2914e152]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2263:9 [INFO] [stdout] 14: 0x6092641b8012 - std[128c3efe2914e152]::panicking::panic_with_hook [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:833:13 [INFO] [stdout] 15: 0x60926419ea38 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13 [INFO] [stdout] 16: 0x609264193af9 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 17: 0x60926419f74d - __rustc[752cc74e29381ccc]::rust_begin_unwind [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5 [INFO] [stdout] 18: 0x6092641d49ac - core[6771d259883166e6]::panicking::panic_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x6092641d46f2 - core[6771d259883166e6]::result::unwrap_failed [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/result.rs:1867:5 [INFO] [stdout] 20: 0x609264104e0f - core::result::Result::unwrap::h2b215b396b3f1fbf [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/result.rs:1233:23 [INFO] [stdout] 21: 0x609264104e0f - log_err::test::setup_logger::h5fbadbf9feb4a42d [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:105:89 [INFO] [stdout] 22: 0x609264104e76 - log_err::test::test_log_unwrap::h6d5d08dc86e2db39 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:111:36 [INFO] [stdout] 23: 0x609264104ed7 - log_err::test::test_log_unwrap::{{closure}}::h7e8e7ddd82d575c7 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:110:26 [INFO] [stdout] 24: 0x6092641045a6 - core::ops::function::FnOnce::call_once::h07e0794d29f99baa [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x60926410561b - core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 26: 0x60926410561b - test[b137923399915ecf]::__rust_begin_short_backtrace::, fn() -> core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:663:18 [INFO] [stdout] 27: 0x609264111feb - test[b137923399915ecf]::run_test_in_process::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:74 [INFO] [stdout] 28: 0x609264111feb - as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 29: 0x609264111feb - std[128c3efe2914e152]::panicking::catch_unwind::do_call::, core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40 [INFO] [stdout] 30: 0x609264111feb - std[128c3efe2914e152]::panicking::catch_unwind::, core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19 [INFO] [stdout] 31: 0x609264111feb - std[128c3efe2914e152]::panic::catch_unwind::, core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x609264111feb - test[b137923399915ecf]::run_test_in_process [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:27 [INFO] [stdout] 33: 0x609264111feb - test[b137923399915ecf]::run_test::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:607:43 [INFO] [stdout] 34: 0x60926410c444 - test[b137923399915ecf]::run_test::{closure#1} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:637:41 [INFO] [stdout] 35: 0x60926410c444 - std[128c3efe2914e152]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:166:18 [INFO] [stdout] 36: 0x609264114bf2 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::::{closure#1}::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:91:13 [INFO] [stdout] 37: 0x609264114bf2 - ::{closure#1}::{closure#0}> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 38: 0x609264114bf2 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40 [INFO] [stdout] 39: 0x609264114bf2 - std[128c3efe2914e152]::panicking::catch_unwind::<(), core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe::{closure#1}::{closure#0}>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19 [INFO] [stdout] 40: 0x609264114bf2 - std[128c3efe2914e152]::panic::catch_unwind::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14 [INFO] [stdout] 41: 0x609264114bf2 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::::{closure#1} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:89:26 [INFO] [stdout] 42: 0x609264114bf2 - ::{closure#1} as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 43: 0x6092641bf53f - + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2249:9 [INFO] [stdout] 44: 0x6092641bf53f - ::new::thread_start [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/thread/unix.rs:118:17 [INFO] [stdout] 45: 0x7b591d299aa4 - [INFO] [stdout] 46: 0x7b591d326a64 - clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] note: panic did not contain expected string [INFO] [stdout] panic message: "called `Result::unwrap()` on an `Err` value: SetLoggerError(())" [INFO] [stdout] expected substring: "called `Result::unwrap()` on an `Err` value: \"a wild error has appeared!\"" [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test::test_log_unwrap [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d844ebfbb2fc253106327f53179d0e4dc1611e347860d707429808c4c46cc847", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d844ebfbb2fc253106327f53179d0e4dc1611e347860d707429808c4c46cc847", kill_on_drop: false }` [INFO] [stdout] d844ebfbb2fc253106327f53179d0e4dc1611e347860d707429808c4c46cc847