[INFO] fetching crate rxr 0.1.1...
[INFO] testing rxr-0.1.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate rxr 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rxr 0.1.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rxr 0.1.1
[INFO] finished tweaking crates.io crate rxr 0.1.1
[INFO] tweaked toml for crates.io crate rxr 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rxr 0.1.1 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88a8649009c7b2422d43d53edc0ea3c38d905e058822ce6a066f1dd5dfafed35
[INFO] running `Command { std: "docker" "start" "-a" "88a8649009c7b2422d43d53edc0ea3c38d905e058822ce6a066f1dd5dfafed35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88a8649009c7b2422d43d53edc0ea3c38d905e058822ce6a066f1dd5dfafed35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a8649009c7b2422d43d53edc0ea3c38d905e058822ce6a066f1dd5dfafed35", kill_on_drop: false }`
[INFO] [stdout] 88a8649009c7b2422d43d53edc0ea3c38d905e058822ce6a066f1dd5dfafed35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5342b81955fd429a7bb2e883558fed01407ac633ac9906c79b6f1980fb918308
[INFO] running `Command { std: "docker" "start" "-a" "5342b81955fd429a7bb2e883558fed01407ac633ac9906c79b6f1980fb918308", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling rxr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "5342b81955fd429a7bb2e883558fed01407ac633ac9906c79b6f1980fb918308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5342b81955fd429a7bb2e883558fed01407ac633ac9906c79b6f1980fb918308", kill_on_drop: false }`
[INFO] [stdout] 5342b81955fd429a7bb2e883558fed01407ac633ac9906c79b6f1980fb918308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6145a96b0d4abb9bc6972e0e2463216744392e6d6fdacb019c43c0c851be767a
[INFO] running `Command { std: "docker" "start" "-a" "6145a96b0d4abb9bc6972e0e2463216744392e6d6fdacb019c43c0c851be767a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rxr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "6145a96b0d4abb9bc6972e0e2463216744392e6d6fdacb019c43c0c851be767a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6145a96b0d4abb9bc6972e0e2463216744392e6d6fdacb019c43c0c851be767a", kill_on_drop: false }`
[INFO] [stdout] 6145a96b0d4abb9bc6972e0e2463216744392e6d6fdacb019c43c0c851be767a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b9b90211b9ac9ddf59f475ff3bc8741bb2cc84efc2bb529f4d758db038accc0
[INFO] running `Command { std: "docker" "start" "-a" "4b9b90211b9ac9ddf59f475ff3bc8741bb2cc84efc2bb529f4d758db038accc0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rxr-14f36d88c3cbfac4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test observable::tests::exhaust_map_observable ... ignored, reason: this test is unreliable
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 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-03e82704df5a0b32)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test async_subject_complete_empty ... ok
[INFO] [stdout] test async_subject_error ... ok
[INFO] [stdout] test async_subject_complete ... ok
[INFO] [stdout] test async_subject_error_empty ... 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] [stderr]      Running tests/behavior_subject.rs (/opt/rustwide/target/debug/deps/behavior_subject-aef8f83ce9025018)
[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] [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/higher_order_operators.rs (/opt/rustwide/target/debug/deps/higher_order_operators-ade54a7c21c3b56c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test switch_map_observable ... FAILED
[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] thread '<unnamed>' panicked at tests/higher_order_operators.rs:72:25:
[INFO] [stdout] switch_map did not unsubscribed inner observable properly.
[INFO] [stdout] Outer value is 90 which is not last value emitted by outer observable. Inner observable reached
[INFO] [stdout] 10 which is it's last value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5604f67e82f6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5604f67e82f6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5604f67e82f6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5604f67e82f6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5604f6811450 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5604f6811450 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5604f67e5b4f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x5604f67e80d4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5604f67e80d4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5604f67e9e47 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x5604f67e9b2d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5604f671caa7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5604f671caa7 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5604f67ea466 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5604f67ea466 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5604f67ea1b2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5604f67e87f6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5604f67e9f10 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5604f66b5db5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5604f66d9230 - higher_order_operators::switch_map_observable::{{closure}}::{{closure}}::{{closure}}::h56743bce3c6f65b5
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/higher_order_operators.rs:72:25
[INFO] [stdout]   20:     0x5604f66ccc2c - std::panicking::try::do_call::heb54bcf05da5c1de
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   21:     0x5604f66d56bb - __rust_try
[INFO] [stdout]   22:     0x5604f66cbf3e - std::panicking::try::h2cdb9e051af62d38
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   23:     0x5604f66e4f16 - std::panic::catch_unwind::hdb3235d73af4e2e1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   24:     0x5604f66d8dd4 - higher_order_operators::switch_map_observable::{{closure}}::{{closure}}::h6f80dc47ed3691b0
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/higher_order_operators.rs:71:60
[INFO] [stdout]   25:     0x5604f66d4c5d - higher_order_operators::generate_observable::generate_u32_observable::{{closure}}::{{closure}}::haf9c08627d046787
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/generate_observable/mod.rs:42:13
[INFO] [stdout]   26:     0x5604f66e4036 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha14dada1d1f6a530
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   27:     0x5604f66c3b20 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc0523e3a75b38313
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   28:     0x5604f66e3eb0 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haf76b9f356eb847f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x5604f66cc9e0 - std::panicking::try::do_call::h7aad67dc13631b2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x5604f66d56bb - __rust_try
[INFO] [stdout]   31:     0x5604f66cc4f2 - std::panicking::try::h9e448fb478e0bde6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   32:     0x5604f66c12a5 - std::panic::catch_unwind::hf5ed3a00761c0812
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x5604f66c12a5 - std::thread::Builder::spawn_unchecked_::{{closure}}::h63fd27106a2f8a7f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   34:     0x5604f66cd61e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1a3e52543fcb5fc5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   35:     0x5604f67ef025 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   36:     0x5604f67ef025 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   37:     0x5604f67ef025 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   38:     0x7f1a92e4aac3 - <unknown>
[INFO] [stdout]   39:     0x7f1a92edbbf4 - __clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     switch_map_observable
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 25.15s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test higher_order_operators`
[INFO] running `Command { std: "docker" "inspect" "4b9b90211b9ac9ddf59f475ff3bc8741bb2cc84efc2bb529f4d758db038accc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9b90211b9ac9ddf59f475ff3bc8741bb2cc84efc2bb529f4d758db038accc0", kill_on_drop: false }`
[INFO] [stdout] 4b9b90211b9ac9ddf59f475ff3bc8741bb2cc84efc2bb529f4d758db038accc0
[INFO] testing rxr-0.1.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate rxr 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rxr 0.1.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rxr 0.1.1
[INFO] finished tweaking crates.io crate rxr 0.1.1
[INFO] tweaked toml for crates.io crate rxr 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate rxr 0.1.1 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-2024-02-10" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 680e2806d3e48ff59ab8eb14513f4229f4d61ad9e7b7bd2fd3d0745daa34ef03
[INFO] running `Command { std: "docker" "start" "-a" "680e2806d3e48ff59ab8eb14513f4229f4d61ad9e7b7bd2fd3d0745daa34ef03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "680e2806d3e48ff59ab8eb14513f4229f4d61ad9e7b7bd2fd3d0745daa34ef03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680e2806d3e48ff59ab8eb14513f4229f4d61ad9e7b7bd2fd3d0745daa34ef03", kill_on_drop: false }`
[INFO] [stdout] 680e2806d3e48ff59ab8eb14513f4229f4d61ad9e7b7bd2fd3d0745daa34ef03
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2311b31fbc4cbebe31f28a54525ac9b347c2a5075e30c020c8136ffef98fe00
[INFO] running `Command { std: "docker" "start" "-a" "b2311b31fbc4cbebe31f28a54525ac9b347c2a5075e30c020c8136ffef98fe00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling rxr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "b2311b31fbc4cbebe31f28a54525ac9b347c2a5075e30c020c8136ffef98fe00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2311b31fbc4cbebe31f28a54525ac9b347c2a5075e30c020c8136ffef98fe00", kill_on_drop: false }`
[INFO] [stdout] b2311b31fbc4cbebe31f28a54525ac9b347c2a5075e30c020c8136ffef98fe00
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b819608b68aa7c02cd661b1835cf64e2edf24afb89cdb7c765fbe52ee98d647d
[INFO] running `Command { std: "docker" "start" "-a" "b819608b68aa7c02cd661b1835cf64e2edf24afb89cdb7c765fbe52ee98d647d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rxr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "b819608b68aa7c02cd661b1835cf64e2edf24afb89cdb7c765fbe52ee98d647d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b819608b68aa7c02cd661b1835cf64e2edf24afb89cdb7c765fbe52ee98d647d", kill_on_drop: false }`
[INFO] [stdout] b819608b68aa7c02cd661b1835cf64e2edf24afb89cdb7c765fbe52ee98d647d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 511f9bf1ebccf5807ffd669c4c54a52e9b90875b110808162dfc7ee2da594a6d
[INFO] running `Command { std: "docker" "start" "-a" "511f9bf1ebccf5807ffd669c4c54a52e9b90875b110808162dfc7ee2da594a6d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rxr-154d19af7760a2cb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test observable::tests::exhaust_map_observable ... ignored, reason: this test is unreliable
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 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-d515690d807f456d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test async_subject_complete_empty ... ok
[INFO] [stdout] test async_subject_complete ... ok
[INFO] [stdout] test async_subject_error ... ok
[INFO] [stdout] test async_subject_error_empty ... 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] [stderr]      Running tests/behavior_subject.rs (/opt/rustwide/target/debug/deps/behavior_subject-39f04d9da916831c)
[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/higher_order_operators.rs (/opt/rustwide/target/debug/deps/higher_order_operators-b9b496d686e399c1)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test switch_map_observable ... ok
[INFO] [stdout] test merge_map_observable ... ok
[INFO] [stdout] test concat_map_observable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 25.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/observables.rs (/opt/rustwide/target/debug/deps/observables-1bb39f6b64654671)
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/operators.rs (/opt/rustwide/target/debug/deps/operators-f5cb3017c9345d69)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test filter_observable ... ok
[INFO] [stdout] test map_observable ... ok
[INFO] [stdout] test skip_observable ... ok
[INFO] [stdout] test merge_observable ... ok
[INFO] [stdout] test take_observable ... ok
[INFO] [stdout] test merge_one_observable ... ok
[INFO] [stdout] test delay_observable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.50s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/replay_subject.rs (/opt/rustwide/target/debug/deps/replay_subject-5cac23a7992b31d1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test replay_subject_emit_than_complete ... ok
[INFO] [stdout] test replay_subject_emit_than_error ... ok
[INFO] [stdout] test replay_subject_emit_than_error_time_aware ... ok
[INFO] [stdout] test replay_subject_emit_than_complete_time_aware ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.40s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/subject.rs (/opt/rustwide/target/debug/deps/subject-cc759ccded17f304)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test subject_emit_than_error ... ok
[INFO] [stdout] test subject_emit_than_complete ... 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]    Doc-tests rxr
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/subjects/async_subject.rs - subjects::async_subject::AsyncSubject (line 38) - compile ... ok
[INFO] [stdout] test src/observable/mod.rs - observable::Observable (line 348) - compile ... ok
[INFO] [stdout] test src/subjects/behavior_subject.rs - subjects::behavior_subject::BehaviorSubject<T>::emitter_receiver (line 166) - compile ... ok
[INFO] [stdout] test src/observable/mod.rs - observable::Observable (line 157) - compile ... ok
[INFO] [stdout] test src/observable/mod.rs - observable::Observable (line 46) - compile ... ok
[INFO] [stdout] test src/subjects/subject.rs - subjects::subject::Subject (line 83) - compile ... ok
[INFO] [stdout] test src/subjects/behavior_subject.rs - subjects::behavior_subject::BehaviorSubject (line 38) - compile ... ok
[INFO] [stdout] test src/subjects/subject.rs - subjects::subject::Subject (line 36) - compile ... ok
[INFO] [stdout] test src/observable/mod.rs - observable::Observable (line 88) - compile ... ok
[INFO] [stdout] test src/observable/mod.rs - observable::Observable (line 250) - compile ... ok
[INFO] [stdout] test src/subjects/replay_subject.rs - subjects::replay_subject::ReplaySubject (line 74) - compile ... ok
[INFO] [stdout] test src/subjects/replay_subject.rs - subjects::replay_subject::ReplaySubject (line 126) - compile ... ok
[INFO] [stdout] test src/subjects/behavior_subject.rs - subjects::behavior_subject::BehaviorSubject (line 86) - compile ... ok
[INFO] [stdout] test src/subjects/async_subject.rs - subjects::async_subject::AsyncSubject (line 87) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "511f9bf1ebccf5807ffd669c4c54a52e9b90875b110808162dfc7ee2da594a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511f9bf1ebccf5807ffd669c4c54a52e9b90875b110808162dfc7ee2da594a6d", kill_on_drop: false }`
[INFO] [stdout] 511f9bf1ebccf5807ffd669c4c54a52e9b90875b110808162dfc7ee2da594a6d
