[INFO] fetching crate kepler_backoff 0.1.0...
[INFO] testing kepler_backoff-0.1.0 against 1.95.0 for beta-1.96-3
[INFO] extracting crate kepler_backoff 0.1.0 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kepler_backoff 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.8.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae5a35216182fa1f2eeb9cb2cadf256e973c051ad34b95b272293fcc0ad812aa
[INFO] running `Command { std: "docker" "start" "-a" "ae5a35216182fa1f2eeb9cb2cadf256e973c051ad34b95b272293fcc0ad812aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae5a35216182fa1f2eeb9cb2cadf256e973c051ad34b95b272293fcc0ad812aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5a35216182fa1f2eeb9cb2cadf256e973c051ad34b95b272293fcc0ad812aa", kill_on_drop: false }`
[INFO] [stdout] ae5a35216182fa1f2eeb9cb2cadf256e973c051ad34b95b272293fcc0ad812aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29b3ae64612a5f9a4499e1392cab87b29845125ee4cd356e68d8775f2c2e0708
[INFO] running `Command { std: "docker" "start" "-a" "29b3ae64612a5f9a4499e1392cab87b29845125ee4cd356e68d8775f2c2e0708", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[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 7.35s
[INFO] running `Command { std: "docker" "inspect" "29b3ae64612a5f9a4499e1392cab87b29845125ee4cd356e68d8775f2c2e0708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b3ae64612a5f9a4499e1392cab87b29845125ee4cd356e68d8775f2c2e0708", kill_on_drop: false }`
[INFO] [stdout] 29b3ae64612a5f9a4499e1392cab87b29845125ee4cd356e68d8775f2c2e0708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 155381edd29602f12c788e57b4e201391311fdc02a0063948ad3c3da632f1738
[INFO] running `Command { std: "docker" "start" "-a" "155381edd29602f12c788e57b4e201391311fdc02a0063948ad3c3da632f1738", 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 0.70s
[INFO] running `Command { std: "docker" "inspect" "155381edd29602f12c788e57b4e201391311fdc02a0063948ad3c3da632f1738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155381edd29602f12c788e57b4e201391311fdc02a0063948ad3c3da632f1738", kill_on_drop: false }`
[INFO] [stdout] 155381edd29602f12c788e57b4e201391311fdc02a0063948ad3c3da632f1738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d54e346d24cb7d64467db9cec1f1cfc08bd5032edd0b80437352f77bd7d71b4
[INFO] running `Command { std: "docker" "start" "-a" "8d54e346d24cb7d64467db9cec1f1cfc08bd5032edd0b80437352f77bd7d71b4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kepler_backoff-2c986abd415ffd2b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test backoff_tests::backoff_reset_can_be_reseted ... ok
[INFO] [stdout] test backoff_tests::backoff_duration_is_capped_at_max_duration ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test backoff_tests::backoff_duration_increases_with_attempt_count ... ok
[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:     0x61cfac9166fa - std[e28293b1aa0f68bd]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61cfac9166fa - std[e28293b1aa0f68bd]::backtrace_rs::backtrace::trace_unsynchronized::<std[e28293b1aa0f68bd]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61cfac9166fa - std[e28293b1aa0f68bd]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x61cfac9166fa - <<std[e28293b1aa0f68bd]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c1f1a4ba060b9bfa]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x61cfac92aa3a - <core[c1f1a4ba060b9bfa]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x61cfac92aa3a - core[c1f1a4ba060b9bfa]::fmt::write
[INFO] [stdout]    6:     0x61cfac91af82 - std[e28293b1aa0f68bd]::io::default_write_fmt::<alloc[fdfd2bd8633a6659]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61cfac91af82 - <alloc[fdfd2bd8633a6659]::vec::Vec<u8> as std[e28293b1aa0f68bd]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x61cfac8f590f - <std[e28293b1aa0f68bd]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x61cfac8f590f - std[e28293b1aa0f68bd]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x61cfac90ec69 - std[e28293b1aa0f68bd]::panicking::default_hook
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x61cfac87413c - <alloc[fdfd2bd8633a6659]::boxed::Box<dyn for<'a, 'b> core[c1f1a4ba060b9bfa]::ops::function::Fn<(&'a std[e28293b1aa0f68bd]::panic::PanicHookInfo<'b>,), Output = ()> + core[c1f1a4ba060b9bfa]::marker::Sync + core[c1f1a4ba060b9bfa]::marker::Send> as core[c1f1a4ba060b9bfa]::ops::function::Fn<(&std[e28293b1aa0f68bd]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x61cfac87413c - test[273d7611820c9051]::test_main_with_exit_callback::<test[273d7611820c9051]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61cfac90ee22 - <alloc[fdfd2bd8633a6659]::boxed::Box<dyn for<'a, 'b> core[c1f1a4ba060b9bfa]::ops::function::Fn<(&'a std[e28293b1aa0f68bd]::panic::PanicHookInfo<'b>,), Output = ()> + core[c1f1a4ba060b9bfa]::marker::Sync + core[c1f1a4ba060b9bfa]::marker::Send> as core[c1f1a4ba060b9bfa]::ops::function::Fn<(&std[e28293b1aa0f68bd]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x61cfac90ee22 - std[e28293b1aa0f68bd]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x61cfac8f59fa - std[e28293b1aa0f68bd]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x61cfac8ed369 - std[e28293b1aa0f68bd]::sys::backtrace::__rust_end_short_backtrace::<std[e28293b1aa0f68bd]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x61cfac8f66dd - __rustc[b7974e8690430dd9]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x61cfac92b2ac - core[c1f1a4ba060b9bfa]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x61cfac92b272 - core[c1f1a4ba060b9bfa]::panicking::panic
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x61cfac865931 - kepler_backoff::backoff_tests::backoff_duration_can_be_jittered::hde7316399a028ebb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backoff_tests.rs:58:5
[INFO] [stdout]   21:     0x61cfac8659a7 - kepler_backoff::backoff_tests::backoff_duration_can_be_jittered::{{closure}}::h13be06d0df9d8a55
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backoff_tests.rs:43:38
[INFO] [stdout]   22:     0x61cfac8665b6 - core::ops::function::FnOnce::call_once::h74ed53d57b63fc2b
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x61cfac86821b - <fn() -> core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String> as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61cfac86821b - test[273d7611820c9051]::__rust_begin_short_backtrace::<core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String>, fn() -> core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x61cfac874c0b - test[273d7611820c9051]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x61cfac874c0b - <core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<test[273d7611820c9051]::run_test_in_process::{closure#0}> as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x61cfac874c0b - std[e28293b1aa0f68bd]::panicking::catch_unwind::do_call::<core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<test[273d7611820c9051]::run_test_in_process::{closure#0}>, core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x61cfac874c0b - std[e28293b1aa0f68bd]::panicking::catch_unwind::<core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String>, core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<test[273d7611820c9051]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x61cfac874c0b - std[e28293b1aa0f68bd]::panic::catch_unwind::<core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<test[273d7611820c9051]::run_test_in_process::{closure#0}>, core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x61cfac874c0b - test[273d7611820c9051]::run_test_in_process
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x61cfac874c0b - test[273d7611820c9051]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x61cfac870324 - test[273d7611820c9051]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x61cfac870324 - std[e28293b1aa0f68bd]::sys::backtrace::__rust_begin_short_backtrace::<test[273d7611820c9051]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x61cfac877812 - std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked::<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x61cfac877812 - <core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x61cfac877812 - std[e28293b1aa0f68bd]::panicking::catch_unwind::do_call::<core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x61cfac877812 - std[e28293b1aa0f68bd]::panicking::catch_unwind::<(), core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x61cfac877812 - std[e28293b1aa0f68bd]::panic::catch_unwind::<core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x61cfac877812 - std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked::<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x61cfac877812 - <std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1} as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x61cfac91600f - <alloc[fdfd2bd8633a6659]::boxed::Box<dyn core[c1f1a4ba060b9bfa]::ops::function::FnOnce<(), Output = ()> + core[c1f1a4ba060b9bfa]::marker::Send> as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   42:     0x61cfac91600f - <std[e28293b1aa0f68bd]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x7e41ece07aa4 - <unknown>
[INFO] [stdout]   44:     0x7e41ece94a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[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" "8d54e346d24cb7d64467db9cec1f1cfc08bd5032edd0b80437352f77bd7d71b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d54e346d24cb7d64467db9cec1f1cfc08bd5032edd0b80437352f77bd7d71b4", kill_on_drop: false }`
[INFO] [stdout] 8d54e346d24cb7d64467db9cec1f1cfc08bd5032edd0b80437352f77bd7d71b4