[INFO] fetching crate rxr 0.1.11...
[INFO] testing rxr-0.1.11 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate rxr 0.1.11 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rxr 0.1.11 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b6bf35db8d2aeddeab62b98043b2346fab0a1992a17cfd4951900d5948e8b98
[INFO] running `Command { std: "docker" "start" "-a" "8b6bf35db8d2aeddeab62b98043b2346fab0a1992a17cfd4951900d5948e8b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b6bf35db8d2aeddeab62b98043b2346fab0a1992a17cfd4951900d5948e8b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6bf35db8d2aeddeab62b98043b2346fab0a1992a17cfd4951900d5948e8b98", kill_on_drop: false }`
[INFO] [stdout] 8b6bf35db8d2aeddeab62b98043b2346fab0a1992a17cfd4951900d5948e8b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa61edb99d5710496cb847f53619c085f4f94aae8b365ad9074c499dbbc72b1a
[INFO] running `Command { std: "docker" "start" "-a" "aa61edb99d5710496cb847f53619c085f4f94aae8b365ad9074c499dbbc72b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling quote v1.0.33
[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 10.77s
[INFO] running `Command { std: "docker" "inspect" "aa61edb99d5710496cb847f53619c085f4f94aae8b365ad9074c499dbbc72b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa61edb99d5710496cb847f53619c085f4f94aae8b365ad9074c499dbbc72b1a", kill_on_drop: false }`
[INFO] [stdout] aa61edb99d5710496cb847f53619c085f4f94aae8b365ad9074c499dbbc72b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 256fbacf0ba36c91890e4df55e1c48e639116e65ecaa440639caaaff1a5241c5
[INFO] running `Command { std: "docker" "start" "-a" "256fbacf0ba36c91890e4df55e1c48e639116e65ecaa440639caaaff1a5241c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rxr v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.25s
[INFO] running `Command { std: "docker" "inspect" "256fbacf0ba36c91890e4df55e1c48e639116e65ecaa440639caaaff1a5241c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256fbacf0ba36c91890e4df55e1c48e639116e65ecaa440639caaaff1a5241c5", kill_on_drop: false }`
[INFO] [stdout] 256fbacf0ba36c91890e4df55e1c48e639116e65ecaa440639caaaff1a5241c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e530af6a1f3cec36c1494c2375a515af12a3cede3e356a1d8359f4b7149291fd
[INFO] running `Command { std: "docker" "start" "-a" "e530af6a1f3cec36c1494c2375a515af12a3cede3e356a1d8359f4b7149291fd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rxr-51c283f9e4c2ff69)
[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-9c6406f705740565)
[INFO] [stderr]      Running tests/behavior_subject.rs (/opt/rustwide/target/debug/deps/behavior_subject-f24263bca1ea0002)
[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 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test behaviour_subject_emit_than_error ... ok
[INFO] [stdout] test behavior_subject_emit_than_complete ... ok
[INFO] [stderr]      Running tests/connectable.rs (/opt/rustwide/target/debug/deps/connectable-0ed24c79951abb66)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[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 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/higher_order_operators.rs (/opt/rustwide/target/debug/deps/higher_order_operators-854baab374ca3c2a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test switch_map_observable ... FAILED
[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] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- switch_map_observable stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (85) panicked at tests/higher_order_operators.rs:72:25:
[INFO] [stdout] switch_map did not unsubscribed inner observable properly.
[INFO] [stdout] Outer value is 6 which is not last value emitted by outer observable. Inner observable reached
[INFO] [stdout] 10 which is its last value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x640acb5a7f12 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x640acb5a7f12 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x640acb5a7f12 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x640acb5a7f12 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x640acb5b820a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x640acb5b820a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x640acb576946 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x640acb576946 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x640acb587289 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x640acb587289 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x640acb587121 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x640acb47a37e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x640acb47a37e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x640acb5875b2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x640acb5875b2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x640acb587348 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x640acb582739 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x640acb56b52d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x640acb5bf74c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x640acb415f3c - higher_order_operators::switch_map_observable::{{closure}}::{{closure}}::{{closure}}::h880d6c36a0ac3166
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/higher_order_operators.rs:72:25
[INFO] [stdout]   20:     0x640acb3f6d52 - std::panicking::catch_unwind::do_call::heb11107ad3686632
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   21:     0x640acb3b45bb - __rust_try
[INFO] [stdout]   22:     0x640acb3af13f - std::panicking::catch_unwind::h732a869964c86d65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   23:     0x640acb3af13f - std::panic::catch_unwind::h656297c6e13407a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   24:     0x640acb415982 - higher_order_operators::switch_map_observable::{{closure}}::{{closure}}::h0d5bb9ba5801323c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/higher_order_operators.rs:71:60
[INFO] [stdout]   25:     0x640acb44275f - higher_order_operators::generate_observable::generate_u32_observable::{{closure}}::{{closure}}::hc86ba293e10b40e9
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/generate_observable/mod.rs:42:13
[INFO] [stdout]   26:     0x640acb418746 - std::sys::backtrace::__rust_begin_short_backtrace::h9f3ab8d985df582c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   27:     0x640acb3f34b7 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h7e4156ae6da0f6b5
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   28:     0x640acb41bad3 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8f35260741022708
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x640acb3f62ec - std::panicking::catch_unwind::do_call::hb6193823149ca45c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x640acb3f453b - __rust_try
[INFO] [stdout]   31:     0x640acb3f05c4 - std::panicking::catch_unwind::h263822fe1a5f16d3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x640acb3f05c4 - std::panic::catch_unwind::hce36647caab119f3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x640acb3f05c4 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h54be3839c3de874b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   34:     0x640acb402a9e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h82b5980c07c75f85
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   35:     0x640acb57d9cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   36:     0x640acb57d9cf - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   37:     0x7ec89d982aa4 - <unknown>
[INFO] [stdout]   38:     0x7ec89da0fa64 - clone
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     switch_map_observable
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 25.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test higher_order_operators`
[INFO] running `Command { std: "docker" "inspect" "e530af6a1f3cec36c1494c2375a515af12a3cede3e356a1d8359f4b7149291fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e530af6a1f3cec36c1494c2375a515af12a3cede3e356a1d8359f4b7149291fd", kill_on_drop: false }`
[INFO] [stdout] e530af6a1f3cec36c1494c2375a515af12a3cede3e356a1d8359f4b7149291fd
