[INFO] crate threadpool 1.7.1 is already in cache [INFO] testing threadpool-1.7.1 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate threadpool 1.7.1 into work/builds/worker-0/source [INFO] validating manifest of crates.io crate threadpool 1.7.1 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate threadpool 1.7.1 [INFO] finished tweaking crates.io crate threadpool 1.7.1 [INFO] tweaked toml for crates.io crate threadpool 1.7.1 written to work/builds/worker-0/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 6debd461067623c8e3363cdf46a3b18e3b3bdadc12c327c2ced19ca4d7b81ca8 [INFO] running `"docker" "start" "-a" "6debd461067623c8e3363cdf46a3b18e3b3bdadc12c327c2ced19ca4d7b81ca8"` [INFO] [stderr] Compiling threadpool v1.7.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:99:22 [INFO] [stderr] | [INFO] [stderr] 99 | type Thunk<'a> = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `"docker" "inspect" "6debd461067623c8e3363cdf46a3b18e3b3bdadc12c327c2ced19ca4d7b81ca8"` [INFO] running `"docker" "rm" "-f" "6debd461067623c8e3363cdf46a3b18e3b3bdadc12c327c2ced19ca4d7b81ca8"` [INFO] [stdout] 6debd461067623c8e3363cdf46a3b18e3b3bdadc12c327c2ced19ca4d7b81ca8 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] b1486952bf126ec2dd480ff2f9e6f1b19ea7ffb0edaa4c900a039831c90d8de5 [INFO] running `"docker" "start" "-a" "b1486952bf126ec2dd480ff2f9e6f1b19ea7ffb0edaa4c900a039831c90d8de5"` [INFO] [stderr] Compiling threadpool v1.7.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:99:22 [INFO] [stderr] | [INFO] [stderr] 99 | type Thunk<'a> = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/lib.rs:815:36 [INFO] [stderr] | [INFO] [stderr] 815 | pool.execute(move || { 1 + 1; }); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/lib.rs:927:17 [INFO] [stderr] | [INFO] [stderr] 927 | tx.send(1).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `"docker" "inspect" "b1486952bf126ec2dd480ff2f9e6f1b19ea7ffb0edaa4c900a039831c90d8de5"` [INFO] running `"docker" "rm" "-f" "b1486952bf126ec2dd480ff2f9e6f1b19ea7ffb0edaa4c900a039831c90d8de5"` [INFO] [stdout] b1486952bf126ec2dd480ff2f9e6f1b19ea7ffb0edaa4c900a039831c90d8de5 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] 25fc13a59e8dc90d75d5aeead803a878d4747b3683b32c7c64ea29e5b8aa92c3 [INFO] running `"docker" "start" "-a" "25fc13a59e8dc90d75d5aeead803a878d4747b3683b32c7c64ea29e5b8aa92c3"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/threadpool-f8dc4056f5b2e60b [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stderr] thread 'test' panicked at 'explicit panic', src/lib.rs:1006:13 [INFO] [stderr] stack backtrace: [INFO] [stdout] test test::test_cloned_eq ... ok [INFO] [stdout] test test::test_empty_pool ... ok [INFO] [stderr] thread '' panicked at 'Ignore this panic, it must!', src/lib.rs:867thread ':34' panicked at ' [INFO] [stderr] Ignore this panic, it must!note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace. [INFO] [stderr] ', thread 'src/lib.rs:867' panicked at ':Ignore this panic, it must!34', [INFO] [stderr] src/lib.rs:867:34 [INFO] [stdout] test test::test_send ... ok [INFO] [stderr] thread '' panicked at 'Ignore this panic, it must!', src/lib.rs:867:34 [INFO] [stdout] test test::test_name ... ok [INFO] [stdout] test test::test_send_shared_data ... ok [INFO] [stdout] test test::test_sync_shared_data ... ok [INFO] [stdout] test test::test_multi_join ... ok [INFO] [stdout] test test::test_works ... ok [INFO] [stderr] thread 'thread '' panicked at 'Ignore this panic, it should!', ' panicked at 'src/lib.rsIgnore this panic, it should!:', 894src/lib.rs::17894thread ' [INFO] [stderr] :17 [INFO] [stderr] ' panicked at 'Ignore this panic, it should!', src/lib.rs:thread '894:17' panicked at ' [INFO] [stderr] Ignore this panic, it should!', src/lib.rs:894:17 [INFO] [stdout] test test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop ... ok [INFO] [stdout] test test::test_shrink ... ok [INFO] [stdout] test test::test_zero_tasks_panic ... ok [INFO] [stdout] test test::test_recovery_from_subtask_panic ... ok [INFO] [stderr] 0: 0x555f8f746a24 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x555f8f746a24 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x555f8f746a24 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x555f8f746a24 - ::fmt::h2b7ac01d5feaf9b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x555f8f7619dc - core::fmt::write::h7fd0d904495c035f [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x555f8f744117 - std::io::Write::write_fmt::h663e4bf63637c947 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x555f8f748f45 - std::sys_common::backtrace::_print::h4c743f7c274a5a74 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x555f8f748f45 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x555f8f748f45 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6 [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x555f8f748c36 - std::panicking::default_hook::hd8ec13ee1bc2a65a [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x555f8f749645 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x555f8f73b333 - std::panicking::begin_panic::haa1cf374b2509398 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:407 [INFO] [stderr] 12: 0x555f8f6bcd91 - threadpool::test::test_name::{{closure}}::h8180d3af75da1321 [INFO] [stderr] at src/lib.rs:1006 [INFO] [stderr] 13: 0x555f8f6b86a6 - ::call_box::hecdeca9fb5bc67da [INFO] [stderr] at src/lib.rs:95 [INFO] [stderr] 14: 0x555f8f6f2fda - threadpool::spawn_in_pool::{{closure}}::hcb4ce0cb71b0895d [INFO] [stderr] at src/lib.rs:767 [INFO] [stderr] 15: 0x555f8f699a73 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5629d4b2a75cad13 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/sys_common/backtrace.rs:126 [INFO] [stderr] 16: 0x555f8f6edfce - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hee3b153626d73cc7 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:470 [INFO] [stderr] 17: 0x555f8f6a9351 - as core::ops::function::FnOnce<()>>::call_once::h98ba29bcc28de18f [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:315 [INFO] [stderr] 18: 0x555f8f6aaab8 - std::panicking::try::do_call::h231843719b521549 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:292 [INFO] [stderr] 19: 0x555f8f74be2a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 20: 0x555f8f6aa3d4 - std::panicking::try::h2da07f96a2ef10fc [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271 [INFO] [stderr] 21: 0x555f8f6aa153 - std::panic::catch_unwind::h204d56e6e752b723 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x555f8f6ed106 - std::thread::Builder::spawn_unchecked::{{closure}}::h0acbe3bdfbdb7b25 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:469 [INFO] [stderr] 23: 0x555f8f6e18f3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hba8803ea081c6157 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227 [INFO] [stderr] 24: 0x555f8f73ea4f - as core::ops::function::FnOnce>::call_once::h3cdef3b7ea22cd61 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stderr] 25: 0x555f8f74b4f0 - as core::ops::function::FnOnce>::call_once::hc8f25720bf0d5424 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stderr] 26: 0x555f8f74b4f0 - std::sys_common::thread::start_thread::h7e8885ccfd5d1932 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 27: 0x555f8f74b4f0 - std::sys::unix::thread::Thread::new::thread_start::h5d24df932d688baf [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 28: 0x7f5f14a2d6db - start_thread [INFO] [stderr] 29: 0x7f5f1453e88f - __clone [INFO] [stderr] 30: 0x0 - [INFO] [stdout] test test::test_active_count ... ok [INFO] [stdout] test test::test_debug ... ok [INFO] [stdout] test test::test_join_wavesurfer ... ok [INFO] [stdout] test test::test_clone ... ok [INFO] [stdout] test test::test_massive_task_creation ... ok [INFO] [stdout] test test::test_no_fun_or_joy ... ok [INFO] [stdout] test test::test_set_num_threads_decreasing ... ok [INFO] [stdout] test test::test_set_num_threads_increasing ... ok [INFO] [stdout] test test::test_repeate_join ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests threadpool [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test src/lib.rs - ThreadPool::new (line 361) ... ok [INFO] [stdout] test src/lib.rs - Builder::new (line 171) ... ok [INFO] [stdout] test src/lib.rs - ThreadPool::eq (line 703) ... ok [INFO] [stdout] test src/lib.rs - Builder::build (line 275) ... ok [INFO] [stdout] test src/lib.rs - ThreadPool::max_count (line 486) ... ok [INFO] [stdout] test src/lib.rs - ThreadPool::execute (line 416) ... ok [INFO] [stdout] test src/lib.rs - Builder::num_threads (line 195) ... ok [INFO] [stdout] test src/lib.rs - Builder::thread_stack_size (line 252) ... ok [INFO] [stdout] test src/lib.rs - Builder (line 151) ... ok [INFO] [stdout] test src/lib.rs - ThreadPool::join (line 596) ... ok [INFO] [stdout] test src/lib.rs - (line 48) ... ok [INFO] [stdout] test src/lib.rs - Builder::thread_name (line 223) ... ok [INFO] [stdout] test src/lib.rs - ThreadPool::panic_count (line 503) ... ok [INFO] [stdout] test src/lib.rs - (line 22) ... ok [INFO] [stdout] test src/lib.rs - ThreadPool::clone (line 639) ... ok [INFO] [stdout] test src/lib.rs - ThreadPool::with_name (line 379) ... ok [INFO] [stdout] test src/lib.rs - ThreadPool::active_count (line 463) ... ok [INFO] [stdout] test src/lib.rs - ThreadPool::queued_count (line 440) ... ok [INFO] [stdout] test src/lib.rs - ThreadPool::set_num_threads (line 539) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "25fc13a59e8dc90d75d5aeead803a878d4747b3683b32c7c64ea29e5b8aa92c3"` [INFO] running `"docker" "rm" "-f" "25fc13a59e8dc90d75d5aeead803a878d4747b3683b32c7c64ea29e5b8aa92c3"` [INFO] [stdout] 25fc13a59e8dc90d75d5aeead803a878d4747b3683b32c7c64ea29e5b8aa92c3