[INFO] fetching crate rate-guard-core 0.7.2...
[INFO] testing rate-guard-core-0.7.2 against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] extracting crate rate-guard-core 0.7.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rate-guard-core 0.7.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rate-guard-core 0.7.2
[INFO] tweaked toml for crates.io crate rate-guard-core 0.7.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rate-guard-core 0.7.2 on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rate-guard-core 0.7.2 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bda4755613bda0ca5091280c63db4b47ffcc66bbcf5120ec855f21cfc092127f
[INFO] running `Command { std: "docker" "start" "-a" "bda4755613bda0ca5091280c63db4b47ffcc66bbcf5120ec855f21cfc092127f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bda4755613bda0ca5091280c63db4b47ffcc66bbcf5120ec855f21cfc092127f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda4755613bda0ca5091280c63db4b47ffcc66bbcf5120ec855f21cfc092127f", kill_on_drop: false }`
[INFO] [stdout] bda4755613bda0ca5091280c63db4b47ffcc66bbcf5120ec855f21cfc092127f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6648dd3ea67abff70936dc1fb183c3367ba27ceb81f8cbee74102949dcabdfdc
[INFO] running `Command { std: "docker" "start" "-a" "6648dd3ea67abff70936dc1fb183c3367ba27ceb81f8cbee74102949dcabdfdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rate-guard-core v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "6648dd3ea67abff70936dc1fb183c3367ba27ceb81f8cbee74102949dcabdfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6648dd3ea67abff70936dc1fb183c3367ba27ceb81f8cbee74102949dcabdfdc", kill_on_drop: false }`
[INFO] [stdout] 6648dd3ea67abff70936dc1fb183c3367ba27ceb81f8cbee74102949dcabdfdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41d98577a140bd8d89bfd00707a4036666bc82a87efd5b02bdb40e8093f52144
[INFO] running `Command { std: "docker" "start" "-a" "41d98577a140bd8d89bfd00707a4036666bc82a87efd5b02bdb40e8093f52144", kill_on_drop: false }`
[INFO] [stderr]    Compiling rate-guard-core v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "41d98577a140bd8d89bfd00707a4036666bc82a87efd5b02bdb40e8093f52144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d98577a140bd8d89bfd00707a4036666bc82a87efd5b02bdb40e8093f52144", kill_on_drop: false }`
[INFO] [stdout] 41d98577a140bd8d89bfd00707a4036666bc82a87efd5b02bdb40e8093f52144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b553644d4f74343d4c443d8b0ed79ee16bb2e8213eec347d76052ed25994c82e
[INFO] running `Command { std: "docker" "start" "-a" "b553644d4f74343d4c443d8b0ed79ee16bb2e8213eec347d76052ed25994c82e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rate_guard_core-48216d156651bee5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/approximate_sliding_window_core.rs (/opt/rustwide/target/debug/deps/approximate_sliding_window_core-119cf5c21f11ea00)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test_acquire_zero_tokens ... ok
[INFO] [stdout] test test_basic_acquire ... ok
[INFO] [stdout] test test_expired_tick ... ok
[INFO] [stdout] test test_approximation_accuracy ... ok
[INFO] [stdout] test test_macro_safety ... ok
[INFO] [stdout] test test_large_time_gap ... ok
[INFO] [stdout] test test_saturating_operations ... ok
[INFO] [stdout] test test_window_boundary_precise ... ok
[INFO] [stdout] test test_window_expiration ... ok
[INFO] [stdout] test test_window_switching ... ok
[INFO] [stdout] test test_new_approximate_sliding_window ... ok
[INFO] [stdout] test test_same_window_operations ... ok
[INFO] [stdout] test test_sliding_window_overlap ... ok
[INFO] [stdout] test test_new_with_zero_capacity - should panic ... ok
[INFO] [stderr]      Running tests/approximate_sliding_window_core2.rs (/opt/rustwide/target/debug/deps/approximate_sliding_window_core2-3c2501a8c66da4a6)
[INFO] [stdout] test test_new_with_zero_window_ticks - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_full_overlap_scenario ... ok
[INFO] [stdout] test test_large_window_size ... ok
[INFO] [stdout] test test_no_overlap_scenario ... ok
[INFO] [stdout] test test_partial_overlap_precision ... ok
[INFO] [stdout] test test_same_tick_multiple_calls ... ok
[INFO] [stdout] test test_window_starts_alignment ... ok
[INFO] [stdout] test test_weighted_contribution_calculation ... ok
[INFO] [stdout] test test_window_switching_consistency ... ok
[INFO] [stdout] test test_single_tick_window ... ok
[INFO] [stdout] test test_edge_case_overlap_calculation ... ok
[INFO] [stdout] test test_contention_failure ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_contention_failure stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_contention_failure' (35) panicked at tests/approximate_sliding_window_core2.rs:38:5:
[INFO] [stdout] Should observe some contention failures
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x58bbb46f12ea - std[da2fd379f16a7ff7]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58bbb46f12ea - std[da2fd379f16a7ff7]::backtrace_rs::backtrace::trace_unsynchronized::<std[da2fd379f16a7ff7]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58bbb46f12ea - std[da2fd379f16a7ff7]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x58bbb46f12ea - <<std[da2fd379f16a7ff7]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[97f61b5528a4c2b4]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x58bbb4704f7a - <core[97f61b5528a4c2b4]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x58bbb4704f7a - core[97f61b5528a4c2b4]::fmt::write
[INFO] [stdout]    6:     0x58bbb46f5b72 - std[da2fd379f16a7ff7]::io::default_write_fmt::<alloc[ec929a98520ab192]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x58bbb46f5b72 - <alloc[ec929a98520ab192]::vec::Vec<u8> as std[da2fd379f16a7ff7]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x58bbb46d043f - <std[da2fd379f16a7ff7]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x58bbb46d043f - std[da2fd379f16a7ff7]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x58bbb46e9799 - std[da2fd379f16a7ff7]::panicking::default_hook
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x58bbb4685dbc - <alloc[ec929a98520ab192]::boxed::Box<dyn for<'a, 'b> core[97f61b5528a4c2b4]::ops::function::Fn<(&'a std[da2fd379f16a7ff7]::panic::PanicHookInfo<'b>,), Output = ()> + core[97f61b5528a4c2b4]::marker::Send + core[97f61b5528a4c2b4]::marker::Sync> as core[97f61b5528a4c2b4]::ops::function::Fn<(&std[da2fd379f16a7ff7]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x58bbb4685dbc - test[d0b63a2f043bab5e]::test_main_with_exit_callback::<test[d0b63a2f043bab5e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x58bbb46e9952 - <alloc[ec929a98520ab192]::boxed::Box<dyn for<'a, 'b> core[97f61b5528a4c2b4]::ops::function::Fn<(&'a std[da2fd379f16a7ff7]::panic::PanicHookInfo<'b>,), Output = ()> + core[97f61b5528a4c2b4]::marker::Send + core[97f61b5528a4c2b4]::marker::Sync> as core[97f61b5528a4c2b4]::ops::function::Fn<(&std[da2fd379f16a7ff7]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x58bbb46e9952 - std[da2fd379f16a7ff7]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x58bbb46d052a - std[da2fd379f16a7ff7]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x58bbb46c7e99 - std[da2fd379f16a7ff7]::sys::backtrace::__rust_end_short_backtrace::<std[da2fd379f16a7ff7]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x58bbb46d120d - __rustc[9f3cd9eabd71303e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x58bbb47057cc - core[97f61b5528a4c2b4]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x58bbb465a79d - approximate_sliding_window_core2[d511cda6d8b10d03]::test_contention_failure
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/approximate_sliding_window_core2.rs:38:5
[INFO] [stdout]   20:     0x58bbb4654e07 - approximate_sliding_window_core2[d511cda6d8b10d03]::test_contention_failure::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/approximate_sliding_window_core2.rs:5:29
[INFO] [stdout]   21:     0x58bbb4677256 - <approximate_sliding_window_core2[d511cda6d8b10d03]::test_contention_failure::{closure#0} as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x58bbb4679e9b - <fn() -> core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String> as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x58bbb4679e9b - test[d0b63a2f043bab5e]::__rust_begin_short_backtrace::<core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String>, fn() -> core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x58bbb468688b - test[d0b63a2f043bab5e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x58bbb468688b - <core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<test[d0b63a2f043bab5e]::run_test_in_process::{closure#0}> as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x58bbb468688b - std[da2fd379f16a7ff7]::panicking::catch_unwind::do_call::<core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<test[d0b63a2f043bab5e]::run_test_in_process::{closure#0}>, core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x58bbb468688b - std[da2fd379f16a7ff7]::panicking::catch_unwind::<core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String>, core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<test[d0b63a2f043bab5e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x58bbb468688b - std[da2fd379f16a7ff7]::panic::catch_unwind::<core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<test[d0b63a2f043bab5e]::run_test_in_process::{closure#0}>, core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x58bbb468688b - test[d0b63a2f043bab5e]::run_test_in_process
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x58bbb468688b - test[d0b63a2f043bab5e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x58bbb4681fa4 - test[d0b63a2f043bab5e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x58bbb4681fa4 - std[da2fd379f16a7ff7]::sys::backtrace::__rust_begin_short_backtrace::<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x58bbb4689492 - std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked::<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x58bbb4689492 - <core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x58bbb4689492 - std[da2fd379f16a7ff7]::panicking::catch_unwind::do_call::<core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x58bbb4689492 - std[da2fd379f16a7ff7]::panicking::catch_unwind::<(), core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x58bbb4689492 - std[da2fd379f16a7ff7]::panic::catch_unwind::<core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x58bbb4689492 - std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked::<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x58bbb4689492 - <std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1} as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x58bbb46f0bff - <alloc[ec929a98520ab192]::boxed::Box<dyn core[97f61b5528a4c2b4]::ops::function::FnOnce<(), Output = ()> + core[97f61b5528a4c2b4]::marker::Send> as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   41:     0x58bbb46f0bff - <std[da2fd379f16a7ff7]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x7a5917f66aa4 - <unknown>
[INFO] [stdout]   43:     0x7a5917ff3a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_contention_failure
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test approximate_sliding_window_core2`
[INFO] running `Command { std: "docker" "inspect" "b553644d4f74343d4c443d8b0ed79ee16bb2e8213eec347d76052ed25994c82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b553644d4f74343d4c443d8b0ed79ee16bb2e8213eec347d76052ed25994c82e", kill_on_drop: false }`
[INFO] [stdout] b553644d4f74343d4c443d8b0ed79ee16bb2e8213eec347d76052ed25994c82e