[INFO] crate flo_binding 1.0.0 is already in cache [INFO] extracting crate flo_binding 1.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/flo_binding/1.0.0 [INFO] extracting crate flo_binding 1.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flo_binding/1.0.0 [INFO] validating manifest of flo_binding-1.0.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of flo_binding-1.0.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing flo_binding-1.0.0 [INFO] finished frobbing flo_binding-1.0.0 [INFO] frobbed toml for flo_binding-1.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/flo_binding/1.0.0/Cargo.toml [INFO] started frobbing flo_binding-1.0.0 [INFO] finished frobbing flo_binding-1.0.0 [INFO] frobbed toml for flo_binding-1.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flo_binding/1.0.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing flo_binding-1.0.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/flo_binding/1.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 2ac14ed8e86697ab57f3ca0d156a61d057fd3237982a709686e087a909744b4d [INFO] running `"docker" "start" "-a" "2ac14ed8e86697ab57f3ca0d156a61d057fd3237982a709686e087a909744b4d"` [INFO] [stderr] Compiling desync v0.4.1 [INFO] [stderr] Compiling flo_binding v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/computed.rs:232:17 [INFO] [stderr] | [INFO] [stderr] 232 | let mut to_notify = ComputedBinding { core: to_notify }; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `watcher` [INFO] [stderr] --> src/follow.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | watcher: Box, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.86s [INFO] running `"docker" "inspect" "2ac14ed8e86697ab57f3ca0d156a61d057fd3237982a709686e087a909744b4d"` [INFO] running `"docker" "rm" "-f" "2ac14ed8e86697ab57f3ca0d156a61d057fd3237982a709686e087a909744b4d"` [INFO] [stdout] 2ac14ed8e86697ab57f3ca0d156a61d057fd3237982a709686e087a909744b4d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/flo_binding/1.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 4bc1a6de01da459dd4f1468d5730b41f6be69d38f81a086022d17d4e75ae0934 [INFO] running `"docker" "start" "-a" "4bc1a6de01da459dd4f1468d5730b41f6be69d38f81a086022d17d4e75ae0934"` [INFO] [stderr] Compiling flo_binding v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/computed.rs:232:17 [INFO] [stderr] | [INFO] [stderr] 232 | let mut to_notify = ComputedBinding { core: to_notify }; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `watcher` [INFO] [stderr] --> src/follow.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | watcher: Box, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.61s [INFO] running `"docker" "inspect" "4bc1a6de01da459dd4f1468d5730b41f6be69d38f81a086022d17d4e75ae0934"` [INFO] running `"docker" "rm" "-f" "4bc1a6de01da459dd4f1468d5730b41f6be69d38f81a086022d17d4e75ae0934"` [INFO] [stdout] 4bc1a6de01da459dd4f1468d5730b41f6be69d38f81a086022d17d4e75ae0934 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/flo_binding/1.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 1a225ccd001b7882ffda2c85063c0cc01cb948f8a12bfb72c7c8d6824e56b480 [INFO] running `"docker" "start" "-a" "1a225ccd001b7882ffda2c85063c0cc01cb948f8a12bfb72c7c8d6824e56b480"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/flo_binding-b2401aeae48cd08e [INFO] [stdout] [INFO] [stdout] running 38 tests [INFO] [stdout] test bindref::test::bind_ref_from_computed ... ok [INFO] [stdout] test bindref::test::bind_ref_from_value ... ok [INFO] [stdout] test bindref::test::bindref_matches_core_value ... ok [INFO] [stdout] test bindref::test::bindref_matches_core_value_when_created_from_ref ... ok [INFO] [stdout] test follow::test::follow_stream_updates ... ok [INFO] [stdout] test follow::test::follow_stream_has_initial_value ... ok [INFO] [stdout] test follow::test::stream_is_unready_after_first_read ... ok [INFO] [stdout] test follow::test::stream_is_immediate_ready_after_write ... ok [INFO] [stdout] test test::binding_context_is_notified ... ok [INFO] [stdout] test test::can_compute_value ... ok [INFO] [stdout] test test::can_recompute_value ... ok [INFO] [stdout] test test::can_create_binding ... ok [INFO] [stdout] test test::can_recursively_compute_values_2 ... ok [INFO] [stdout] test test::can_recursively_compute_values ... ok [INFO] [stdout] test bind_stream::test::no_notification_on_no_change ... ok [INFO] [stdout] test test::can_recursively_compute_values_3 ... ok [INFO] [stdout] test test::can_update_binding ... ok [INFO] [stdout] test test::computed_caches_values ... ok [INFO] [stdout] test bind_stream::test::stream_in_all_values ... ok [INFO] [stdout] test test::computed_doesnt_notify_more_than_once ... ok [INFO] [stdout] test bind_stream::test::notifies_on_change ... ok [INFO] [stdout] test test::computed_stops_notifying_once_out_of_scope ... ok [INFO] [stdout] test test::computed_propagates_changes ... ok [INFO] [stdout] test test::computed_stops_notifying_when_released ... ok [INFO] [stdout] test test::computed_switches_dependencies ... ok [INFO] [stdout] test test::not_notified_on_no_change ... ok [INFO] [stdout] test test::notified_on_change ... ok [INFO] [stdout] test test::notifies_after_each_change ... ok [INFO] [stdout] test test::computed_only_recomputes_as_needed ... ok [INFO] [stdout] test test::computed_notifies_of_changes ... ok [INFO] [stdout] test test::stops_notifying_after_release ... ok [INFO] [stdout] test test::release_only_affects_one_notification ... ok [INFO] [stdout] test test::dispatches_multiple_notifications ... ok [INFO] [stdout] test bind_stream::test::stream_processes_updates ... FAILED [INFO] [stdout] test test::panics_if_computed_generated_during_binding ... ok [INFO] [stdout] test follow::test::will_wake_when_binding_is_updated ... ok [INFO] [stdout] test test::change_during_computation_recomputes ... ok [INFO] [stdout] test follow::test::computed_updates_during_read ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- bind_stream::test::stream_processes_updates stdout ---- [INFO] [stdout] thread 'bind_stream::test::stream_processes_updates' panicked at 'assertion failed: binding.get() == 45', src/bind_stream.rs:159:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x559aab769b33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x559aab76545b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x559aab768876 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x559aab76859e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x559aab768f7f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x559aab74a1d7 - std::panicking::begin_panic::h1025ef4c6ae200e9 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x559aab5f95a5 - flo_binding::bind_stream::test::stream_processes_updates::hc81949fdc97b7d78 [INFO] [stdout] at src/bind_stream.rs:159 [INFO] [stdout] 7: 0x559aab5f9449 - flo_binding::bind_stream::test::stream_processes_updates::{{closure}}::h42591012db414ce6 [INFO] [stdout] at src/bind_stream.rs:148 [INFO] [stdout] 8: 0x559aab69a85d - core::ops::function::FnOnce::call_once::h6abf90f68059d5b0 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 9: 0x559aab6e65fe - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x559aab76bcd9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x559aab700ef7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 12: 0x559aab6db914 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x559aab6df9c4 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 14: 0x559aab76bcd9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x559aab6dffd1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x559aab75d04e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x559aab76b3bf - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 18: 0x7fddef7bd4a3 - start_thread [INFO] [stdout] 19: 0x7fddef2e8d0e - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] bind_stream::test::stream_processes_updates [INFO] [stdout] [INFO] [stdout] test result: FAILED. 37 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "1a225ccd001b7882ffda2c85063c0cc01cb948f8a12bfb72c7c8d6824e56b480"` [INFO] running `"docker" "rm" "-f" "1a225ccd001b7882ffda2c85063c0cc01cb948f8a12bfb72c7c8d6824e56b480"` [INFO] [stdout] 1a225ccd001b7882ffda2c85063c0cc01cb948f8a12bfb72c7c8d6824e56b480