[INFO] fetching crate rxr 0.1.11...
[INFO] testing rxr-0.1.11 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate rxr 0.1.11 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rxr 0.1.11
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rxr 0.1.11
[INFO] tweaked toml for crates.io crate rxr 0.1.11 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rxr 0.1.11 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rxr 0.1.11 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a5d8551194e18d61f18a5abd3894e8c3278b030dced987817270c963bfaf999
[INFO] running `Command { std: "docker" "start" "-a" "9a5d8551194e18d61f18a5abd3894e8c3278b030dced987817270c963bfaf999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5d8551194e18d61f18a5abd3894e8c3278b030dced987817270c963bfaf999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5d8551194e18d61f18a5abd3894e8c3278b030dced987817270c963bfaf999", kill_on_drop: false }`
[INFO] [stdout] 9a5d8551194e18d61f18a5abd3894e8c3278b030dced987817270c963bfaf999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47a924dd12e405f34ac68ecef5398cd99abda1513fd17d0f09e84d72256303ae
[INFO] running `Command { std: "docker" "start" "-a" "47a924dd12e405f34ac68ecef5398cd99abda1513fd17d0f09e84d72256303ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.0
[INFO] [stderr]    Compiling rxr v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.66s
[INFO] running `Command { std: "docker" "inspect" "47a924dd12e405f34ac68ecef5398cd99abda1513fd17d0f09e84d72256303ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a924dd12e405f34ac68ecef5398cd99abda1513fd17d0f09e84d72256303ae", kill_on_drop: false }`
[INFO] [stdout] 47a924dd12e405f34ac68ecef5398cd99abda1513fd17d0f09e84d72256303ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f20cd843a4315712053c5c33b847468c2acb5039ee570eec3be18cdbff10b2e
[INFO] running `Command { std: "docker" "start" "-a" "8f20cd843a4315712053c5c33b847468c2acb5039ee570eec3be18cdbff10b2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rxr v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 57.76s
[INFO] running `Command { std: "docker" "inspect" "8f20cd843a4315712053c5c33b847468c2acb5039ee570eec3be18cdbff10b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f20cd843a4315712053c5c33b847468c2acb5039ee570eec3be18cdbff10b2e", kill_on_drop: false }`
[INFO] [stdout] 8f20cd843a4315712053c5c33b847468c2acb5039ee570eec3be18cdbff10b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6220fa804798533919441f52cdf63a8d303e3e28fe481899885ae0a0ef4e0804
[INFO] running `Command { std: "docker" "start" "-a" "6220fa804798533919441f52cdf63a8d303e3e28fe481899885ae0a0ef4e0804", 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/rxr-20629b64e686a38e)
[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/async_subject.rs (/opt/rustwide/target/debug/deps/async_subject-0c699f80bc12f030)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test async_subject_complete ... ok
[INFO] [stdout] test async_subject_complete_empty ... ok
[INFO] [stdout] test async_subject_error_empty ... ok
[INFO] [stdout] test async_subject_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/behavior_subject.rs (/opt/rustwide/target/debug/deps/behavior_subject-0d714e325cc31c35)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test behavior_subject_emit_than_complete ... ok
[INFO] [stdout] test behaviour_subject_emit_than_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/connectable.rs (/opt/rustwide/target/debug/deps/connectable-a08b78324457bb73)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test connectable_observable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/higher_order_operators.rs (/opt/rustwide/target/debug/deps/higher_order_operators-33599e84eb7ac9c8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test switch_map_observable ... ok
[INFO] [stdout] test debounce_map_observable_notify_none ... ok
[INFO] [stdout] test debounce_map_observable_notify_all ... ok
[INFO] [stdout] test merge_map_observable ... ok
[INFO] [stdout] test concat_map_observable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 25.13s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/observables.rs (/opt/rustwide/target/debug/deps/observables-eb4d7883abc4ce51)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test unchained_observable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/operators.rs (/opt/rustwide/target/debug/deps/operators-8aa02f21fa4e75d1)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test filter_observable ... ok
[INFO] [stdout] test map_observable ... ok
[INFO] [stdout] test skip_observable ... ok
[INFO] [stdout] test merge_one_observable ... ok
[INFO] [stdout] test merge_observable ... ok
[INFO] [stdout] test timestamped_emit ... ok
[INFO] [stdout] test scan_observable ... ok
[INFO] [stdout] test take_until_observable_with_subject_notifier ... ok
[INFO] [stdout] test take_while_observable ... ok
[INFO] [stdout] test first_observable ... ok
[INFO] [stdout] test zip_observable ... ok
[INFO] [stdout] test buffer_observable ... ok
[INFO] [stdout] test take_observable ... FAILED
[INFO] [stdout] test take_last_observable ... ok
[INFO] [stdout] test debounce_observable_emit_all ... ok
[INFO] [stdout] test debounce_observable_emit_one ... ok
[INFO] [stdout] test take_until_observable_unsubscribe_notifier ... ok
[INFO] [stdout] test take_until_observable_do_not_unsubscribe_notifier ... ok
[INFO] [stdout] test delay_observable ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- take_observable stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' panicked at tests/operators.rs:744:9:
[INFO] [stdout] take did not unsubscribe, take bound
[INFO] [stdout] is 7 and last emitted value is 12
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64efd138c9a2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64efd138c9a2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64efd138c9a2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64efd138c9a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64efd13b23e3 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64efd13b23e3 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x64efd1389af3 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64efd1389af3 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64efd138c7f2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64efd138df0c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x64efd138dd62 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x64efd1319e54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x64efd1319e54 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x64efd138e8eb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x64efd138e8eb - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x64efd138e6ba - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x64efd138ce99 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x64efd138e34d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x64efd13b0950 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x64efd12cee5a - operators::take_observable::{{closure}}::{{closure}}::h59070678463c2154
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/operators.rs:744:9
[INFO] [stdout]   20:     0x64efd12cee5a - operators::generate_observable::generate_u32_observable::{{closure}}::{{closure}}::h561d8d47e673e325
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/generate_observable/mod.rs:42:13
[INFO] [stdout]   21:     0x64efd12cee5a - std::sys::backtrace::__rust_begin_short_backtrace::h6df7228bd55ef1b9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   22:     0x64efd126d6a2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::heeb3d008deccb84c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   23:     0x64efd126d6a2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h28524680275fe910
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   24:     0x64efd126d6a2 - std::panicking::catch_unwind::do_call::h7921adde01c373b0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   25:     0x64efd126d6a2 - std::panicking::catch_unwind::h6ba3b0f2dcf30480
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   26:     0x64efd126d6a2 - std::panic::catch_unwind::hf7fffe1b3931f8a6
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x64efd126d6a2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h29ee4a6b43b881d3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   28:     0x64efd126d6a2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc6b22f581d2b8b1d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x64efd1391947 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   30:     0x64efd1391947 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   31:     0x64efd1391947 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   32:     0x7d6e25902aa4 - <unknown>
[INFO] [stdout]   33:     0x7d6e2598fa34 - clone
[INFO] [stdout]   34:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     take_observable
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 18 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.50s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test operators`
[INFO] running `Command { std: "docker" "inspect" "6220fa804798533919441f52cdf63a8d303e3e28fe481899885ae0a0ef4e0804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6220fa804798533919441f52cdf63a8d303e3e28fe481899885ae0a0ef4e0804", kill_on_drop: false }`
[INFO] [stdout] 6220fa804798533919441f52cdf63a8d303e3e28fe481899885ae0a0ef4e0804
