[INFO] fetching crate kepler_backoff 0.1.0... [INFO] testing kepler_backoff-0.1.0 against beta-2026-04-21 for beta-1.96-1 [INFO] extracting crate kepler_backoff 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate kepler_backoff 0.1.0 [INFO] finished tweaking crates.io crate kepler_backoff 0.1.0 [INFO] tweaked toml for crates.io crate kepler_backoff 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate kepler_backoff 0.1.0 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 14 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.6 (available: v0.10.1) [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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 47af3afe4d6f0a232787bcef3c691d5a7f0e3008b2346b5c5f213a71d349e558 [INFO] running `Command { std: "docker" "start" "-a" "47af3afe4d6f0a232787bcef3c691d5a7f0e3008b2346b5c5f213a71d349e558", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47af3afe4d6f0a232787bcef3c691d5a7f0e3008b2346b5c5f213a71d349e558", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47af3afe4d6f0a232787bcef3c691d5a7f0e3008b2346b5c5f213a71d349e558", kill_on_drop: false }` [INFO] [stdout] 47af3afe4d6f0a232787bcef3c691d5a7f0e3008b2346b5c5f213a71d349e558 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef25bd24d6a8e978462198ac014552c34a20aefe2a818597b9f9edaaa5dda56e [INFO] running `Command { std: "docker" "start" "-a" "ef25bd24d6a8e978462198ac014552c34a20aefe2a818597b9f9edaaa5dda56e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.186 [INFO] [stderr] Compiling getrandom v0.2.17 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.6 [INFO] [stderr] Compiling kepler_backoff v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s [INFO] running `Command { std: "docker" "inspect" "ef25bd24d6a8e978462198ac014552c34a20aefe2a818597b9f9edaaa5dda56e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef25bd24d6a8e978462198ac014552c34a20aefe2a818597b9f9edaaa5dda56e", kill_on_drop: false }` [INFO] [stdout] ef25bd24d6a8e978462198ac014552c34a20aefe2a818597b9f9edaaa5dda56e [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17a9a6821c8dbe1bf2b6ab684cd10c2c352ddba46c9f3d034624e3f7bb7da9cf [INFO] running `Command { std: "docker" "start" "-a" "17a9a6821c8dbe1bf2b6ab684cd10c2c352ddba46c9f3d034624e3f7bb7da9cf", kill_on_drop: false }` [INFO] [stderr] Compiling kepler_backoff v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "17a9a6821c8dbe1bf2b6ab684cd10c2c352ddba46c9f3d034624e3f7bb7da9cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17a9a6821c8dbe1bf2b6ab684cd10c2c352ddba46c9f3d034624e3f7bb7da9cf", kill_on_drop: false }` [INFO] [stdout] 17a9a6821c8dbe1bf2b6ab684cd10c2c352ddba46c9f3d034624e3f7bb7da9cf [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f9cfc07d505bed6d79fa8fb897f3db1cdb24cb48ccb87f4a8e667789be8c621f [INFO] running `Command { std: "docker" "start" "-a" "f9cfc07d505bed6d79fa8fb897f3db1cdb24cb48ccb87f4a8e667789be8c621f", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kepler_backoff-036755391d0ae472) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test backoff_tests::backoff_duration_is_capped_at_max_duration ... ok [INFO] [stdout] test backoff_tests::backoff_reset_can_be_reseted ... ok [INFO] [stdout] test backoff_tests::backoff_duration_increases_with_attempt_count ... ok [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stdout] test backoff_tests::backoff_duration_can_be_jittered ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- backoff_tests::backoff_duration_can_be_jittered stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'backoff_tests::backoff_duration_can_be_jittered' (17) panicked at src/backoff_tests.rs:58:5: [INFO] [stdout] assertion failed: duration >= time::Duration::from_millis(400) [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x633d6937667a - 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: 0x633d6937667a - 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: 0x633d6937667a - std[128c3efe2914e152]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x633d6937667a - <::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x633d6938a98a - ::fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x633d6938a98a - core[6771d259883166e6]::fmt::write [INFO] [stdout] 6: 0x633d6937aef2 - std[128c3efe2914e152]::io::default_write_fmt::> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11 [INFO] [stdout] 7: 0x633d6937aef2 - as std[128c3efe2914e152]::io::Write>::write_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13 [INFO] [stdout] 8: 0x633d6935580f - ::print [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x633d6935580f - std[128c3efe2914e152]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x633d6936ead9 - std[128c3efe2914e152]::panicking::default_hook [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:316:9 [INFO] [stdout] 11: 0x633d692d41dc - 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: 0x633d692d41dc - test[b137923399915ecf]::test_main_with_exit_callback::::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x633d6936ec92 - 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: 0x633d6936ec92 - std[128c3efe2914e152]::panicking::panic_with_hook [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:833:13 [INFO] [stdout] 15: 0x633d693558fa - std[128c3efe2914e152]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:691:13 [INFO] [stdout] 16: 0x633d6934aad9 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 17: 0x633d693565dd - __rustc[752cc74e29381ccc]::rust_begin_unwind [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5 [INFO] [stdout] 18: 0x633d6938b0dc - core[6771d259883166e6]::panicking::panic_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x633d6938b0a2 - core[6771d259883166e6]::panicking::panic [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:150:5 [INFO] [stdout] 20: 0x633d692c59f1 - kepler_backoff::backoff_tests::backoff_duration_can_be_jittered::h5b57349c3ad8a9e5 [INFO] [stdout] at /opt/rustwide/workdir/src/backoff_tests.rs:58:5 [INFO] [stdout] 21: 0x633d692c5a67 - kepler_backoff::backoff_tests::backoff_duration_can_be_jittered::{{closure}}::h4ce9905c73a2be3a [INFO] [stdout] at /opt/rustwide/workdir/src/backoff_tests.rs:43:38 [INFO] [stdout] 22: 0x633d692c6676 - core::ops::function::FnOnce::call_once::hae6d41ca5013ac8a [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x633d692c82db - 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] 24: 0x633d692c82db - 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] 25: 0x633d692d4cab - test[b137923399915ecf]::run_test_in_process::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:74 [INFO] [stdout] 26: 0x633d692d4cab - as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 27: 0x633d692d4cab - 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] 28: 0x633d692d4cab - 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] 29: 0x633d692d4cab - 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] 30: 0x633d692d4cab - test[b137923399915ecf]::run_test_in_process [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:27 [INFO] [stdout] 31: 0x633d692d4cab - test[b137923399915ecf]::run_test::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:607:43 [INFO] [stdout] 32: 0x633d692cf104 - test[b137923399915ecf]::run_test::{closure#1} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:637:41 [INFO] [stdout] 33: 0x633d692cf104 - std[128c3efe2914e152]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:166:18 [INFO] [stdout] 34: 0x633d692d78b2 - 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] 35: 0x633d692d78b2 - ::{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] 36: 0x633d692d78b2 - 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] 37: 0x633d692d78b2 - 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] 38: 0x633d692d78b2 - std[128c3efe2914e152]::panic::catch_unwind::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14 [INFO] [stdout] 39: 0x633d692d78b2 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::::{closure#1} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:89:26 [INFO] [stdout] 40: 0x633d692d78b2 - ::{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] 41: 0x633d69375f8f - + 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] 42: 0x633d69375f8f - ::new::thread_start [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/thread/unix.rs:118:17 [INFO] [stdout] 43: 0x75bc14eb6aa4 - [INFO] [stdout] 44: 0x75bc14f43a64 - clone [INFO] [stdout] 45: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] backoff_tests::backoff_duration_can_be_jittered [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f9cfc07d505bed6d79fa8fb897f3db1cdb24cb48ccb87f4a8e667789be8c621f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9cfc07d505bed6d79fa8fb897f3db1cdb24cb48ccb87f4a8e667789be8c621f", kill_on_drop: false }` [INFO] [stdout] f9cfc07d505bed6d79fa8fb897f3db1cdb24cb48ccb87f4a8e667789be8c621f