[INFO] crate conquer-once 0.1.2 is already in cache [INFO] testing conquer-once-0.1.2 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate conquer-once 0.1.2 into work/builds/worker-6/source [INFO] validating manifest of crates.io crate conquer-once 0.1.2 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 conquer-once 0.1.2 [INFO] finished tweaking crates.io crate conquer-once 0.1.2 [INFO] tweaked toml for crates.io crate conquer-once 0.1.2 written to work/builds/worker-6/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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 7831ad753a52e76c32c6cb9404732dafcb8d969f840e2abd950d210fbedf09f5 [INFO] running `"docker" "start" "-a" "7831ad753a52e76c32c6cb9404732dafcb8d969f840e2abd950d210fbedf09f5"` [INFO] [stderr] Compiling conquer-util v0.2.0 [INFO] [stderr] Compiling conquer-once v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `"docker" "inspect" "7831ad753a52e76c32c6cb9404732dafcb8d969f840e2abd950d210fbedf09f5"` [INFO] running `"docker" "rm" "-f" "7831ad753a52e76c32c6cb9404732dafcb8d969f840e2abd950d210fbedf09f5"` [INFO] [stdout] 7831ad753a52e76c32c6cb9404732dafcb8d969f840e2abd950d210fbedf09f5 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 23e6efb207f8bc9c660c332de4c88460046fe719ed2329c2d361bcba71d75570 [INFO] running `"docker" "start" "-a" "23e6efb207f8bc9c660c332de4c88460046fe719ed2329c2d361bcba71d75570"` [INFO] [stderr] Compiling conquer-once v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "23e6efb207f8bc9c660c332de4c88460046fe719ed2329c2d361bcba71d75570"` [INFO] running `"docker" "rm" "-f" "23e6efb207f8bc9c660c332de4c88460046fe719ed2329c2d361bcba71d75570"` [INFO] [stdout] 23e6efb207f8bc9c660c332de4c88460046fe719ed2329c2d361bcba71d75570 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] de303f8784704f0825ce6e180cfb65c0f028eb4a2b4ebb84ab232a522bb8aaa4 [INFO] running `"docker" "start" "-a" "de303f8784704f0825ce6e180cfb65c0f028eb4a2b4ebb84ab232a522bb8aaa4"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/conquer_once-4854660d2fc033fc [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stderr] thread '' panicked at 'explicit init panic', src/spin.rs:70:5 [INFO] [stderr] stack backtrace: [INFO] [stdout] test spin::tests::lazy ... ok [INFO] [stdout] test spin::tests::lazy_mutex ... ok [INFO] [stdout] test spin::tests::once_cell_drop ... ok [INFO] [stdout] test spin::tests::once_cell_into_inner ... ok [INFO] [stderr] thread '' panicked at 'explicit init panic', src/tests.rs:153:1 [INFO] [stdout] test tests::lazy ... ok [INFO] [stderr] note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace. [INFO] [stdout] test tests::lazy_mutex ... ok [INFO] [stdout] test tests::once_cell_drop ... ok [INFO] [stdout] test tests::once_cell_into_inner ... ok [INFO] [stdout] test spin::tests::once_cell_block ... ok [INFO] [stdout] test tests::once_cell_block ... ok [INFO] [stderr] thread 'thread 'thread '' panicked at '' panicked at 'thread '' panicked at 'OnceCell instance has been poisoned.: PoisonErrorthread 'OnceCell instance has been poisoned.: PoisonErrorOnceCell instance has been poisoned.: PoisonError', ' panicked at '', ', src/libcore/result.rs' panicked at 'OnceCell instance has been poisoned.: PoisonErrorsrc/libcore/result.rssrc/libcore/result.rs:thread 'OnceCell instance has been poisoned.: PoisonError::', 1165', 11651165src/libcore/result.rs::' panicked at ':src/libcore/result.rs:55OnceCell instance has been poisoned.: PoisonErrorthread '5:1165 [INFO] [stderr] [INFO] [stderr] ', 1165 [INFO] [stderr] :src/libcore/result.rs:5:' panicked at '5 [INFO] [stderr] 1165OnceCell instance has been poisoned.: PoisonError [INFO] [stderr] :', 5src/libcore/result.rs [INFO] [stderr] :1165:5 [INFO] [stdout] test tests::lazy_poisoned ... ok [INFO] [stdout] test spin::tests::once_cell_propagate_poison_from_block ... ok [INFO] [stderr] thread '' panicked at 'OnceCell instance has been poisoned.: PoisonError', src/libcore/result.rs:1165:5 [INFO] [stdout] test tests::once_cell_propagate_poison_from_block ... ok [INFO] [stderr] 0: 0x5567da808604 - 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: 0x5567da808604 - 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: 0x5567da808604 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x5567da808604 - ::fmt::h2b7ac01d5feaf9b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x5567da82359c - core::fmt::write::h7fd0d904495c035f [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x5567da805e27 - std::io::Write::write_fmt::h663e4bf63637c947 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x5567da80aa95 - std::sys_common::backtrace::_print::h4c743f7c274a5a74 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x5567da80aa95 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5567da80aa95 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6 [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x5567da80a786 - std::panicking::default_hook::hd8ec13ee1bc2a65a [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x5567da80b195 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x5567da79f90f - std::panicking::begin_panic::h185fa3151441a111 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:407 [INFO] [stderr] 12: 0x5567da7a1509 - conquer_once::spin::tests::lazy_poisoned::POISONED::{{closure}}::h566848e3f15a97e6 [INFO] [stderr] at src/tests.rs:50 [INFO] [stderr] 13: 0x5567da7becb5 - core::ops::function::FnOnce::call_once::h56f0ee9cbcd21014 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227 [INFO] [stderr] 14: 0x5567da7be9c7 - core::ops::function::Fn::call::hb36e89d07f82412e [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:69 [INFO] [stderr] 15: 0x5567da7c2727 - conquer_once::lazy::Lazy::get_or_init::{{closure}}::h6079869c41502bf4 [INFO] [stderr] at src/lazy.rs:64 [INFO] [stderr] 16: 0x5567da7ab405 - conquer_once::cell::OnceCell::try_init_inner::hb2eefc38a0a46b78 [INFO] [stderr] at src/cell.rs:364 [INFO] [stderr] 17: 0x5567da7a8ed5 - conquer_once::cell::OnceCell::get_or_init::hb8951f97cdd52949 [INFO] [stderr] at src/cell.rs:324 [INFO] [stderr] 18: 0x5567da7c26b5 - conquer_once::lazy::Lazy::get_or_init::hef3cf02c4d1b44aa [INFO] [stderr] at src/lazy.rs:64 [INFO] [stderr] 19: 0x5567da7c2833 - as core::ops::deref::Deref>::deref::hb1cdd84a4d415046 [INFO] [stderr] at src/lazy.rs:79 [INFO] [stderr] 20: 0x5567da7a14c3 - conquer_once::spin::tests::lazy_poisoned::{{closure}}::hf366c5670be7cf39 [INFO] [stderr] at src/tests.rs:53 [INFO] [stderr] 21: 0x5567da7b5be9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hbb80e3f19ff1957c [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/sys_common/backtrace.rs:126 [INFO] [stderr] 22: 0x5567da79f306 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::haf71a2ce648abc07 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:470 [INFO] [stderr] 23: 0x5567da7ac249 - as core::ops::function::FnOnce<()>>::call_once::hf9181f71ae6298f9 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:315 [INFO] [stderr] 24: 0x5567da7a07ae - std::panicking::try::do_call::h8fd7cc645030241f [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:292 [INFO] [stderr] 25: 0x5567da80d9ea - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 26: 0x5567da7a04a5 - std::panicking::try::hfe67fd2f0d48a2ba [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271 [INFO] [stderr] 27: 0x5567da7ac3f9 - std::panic::catch_unwind::hf664538ba3e60959 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394 [INFO] [stderr] 28: 0x5567da79ee04 - std::thread::Builder::spawn_unchecked::{{closure}}::hdfa3cd9ee99feec9 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:469 [INFO] [stderr] 29: 0x5567da7bea0a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h32def7e5273475d9 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227 [INFO] [stderr] 30: 0x5567da8008ff - as core::ops::function::FnOnce>::call_once::h3cdef3b7ea22cd61 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stderr] 31: 0x5567da80d0b0 - as core::ops::function::FnOnce>::call_once::hc8f25720bf0d5424 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stderr] 32: 0x5567da80d0b0 - std::sys_common::thread::start_thread::h7e8885ccfd5d1932 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 33: 0x5567da80d0b0 - std::sys::unix::thread::Thread::new::thread_start::h5d24df932d688baf [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 34: 0x7fc235a546db - start_thread [INFO] [stderr] 35: 0x7fc23556588f - __clone [INFO] [stderr] 36: 0x0 - [INFO] [stdout] test spin::tests::lazy_poisoned ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests conquer-once [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test src/lazy.rs - lazy::Lazy::new (line 29) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::init_once (line 172) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::try_init_once (line 222) ... ok [INFO] [stdout] test src/lib.rs - Once (line 168) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::into_inner (line 75) ... ok [INFO] [stdout] test src/lib.rs - Lazy (line 83) ... ok [INFO] [stdout] test src/lib.rs - OnceCell (line 130) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::get (line 263) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::get_unchecked (line 128) ... ok [INFO] [stdout] test src/lib.rs - Lazy (line 102) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "de303f8784704f0825ce6e180cfb65c0f028eb4a2b4ebb84ab232a522bb8aaa4"` [INFO] running `"docker" "rm" "-f" "de303f8784704f0825ce6e180cfb65c0f028eb4a2b4ebb84ab232a522bb8aaa4"` [INFO] [stdout] de303f8784704f0825ce6e180cfb65c0f028eb4a2b4ebb84ab232a522bb8aaa4