[INFO] fetching crate futures-core-preview 0.3.0-alpha.17... [INFO] extracting crate futures-core-preview 0.3.0-alpha.17 into work/ex/beta-1.37-6/sources/1.36.0/reg/futures-core-preview/0.3.0-alpha.17 [INFO] extracting crate futures-core-preview 0.3.0-alpha.17 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/futures-core-preview/0.3.0-alpha.17 [INFO] validating manifest of futures-core-preview-0.3.0-alpha.17 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 futures-core-preview-0.3.0-alpha.17 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 futures-core-preview-0.3.0-alpha.17 [INFO] finished frobbing futures-core-preview-0.3.0-alpha.17 [INFO] frobbed toml for futures-core-preview-0.3.0-alpha.17 written to work/ex/beta-1.37-6/sources/1.36.0/reg/futures-core-preview/0.3.0-alpha.17/Cargo.toml [INFO] started frobbing futures-core-preview-0.3.0-alpha.17 [INFO] finished frobbing futures-core-preview-0.3.0-alpha.17 [INFO] frobbed toml for futures-core-preview-0.3.0-alpha.17 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/futures-core-preview/0.3.0-alpha.17/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 futures-core-preview-0.3.0-alpha.17 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/futures-core-preview/0.3.0-alpha.17:/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] 97b52c9b18290b9a74d630dc2b26e7b4967b74c129ffbf56ef6be2e3a42e7eec [INFO] running `"docker" "start" "-a" "97b52c9b18290b9a74d630dc2b26e7b4967b74c129ffbf56ef6be2e3a42e7eec"` [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.17 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `"docker" "inspect" "97b52c9b18290b9a74d630dc2b26e7b4967b74c129ffbf56ef6be2e3a42e7eec"` [INFO] running `"docker" "rm" "-f" "97b52c9b18290b9a74d630dc2b26e7b4967b74c129ffbf56ef6be2e3a42e7eec"` [INFO] [stdout] 97b52c9b18290b9a74d630dc2b26e7b4967b74c129ffbf56ef6be2e3a42e7eec [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/futures-core-preview/0.3.0-alpha.17:/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] 8631022b8afcb70229a50191aeb0c881688beaf79b27f52349ce590915af2dc8 [INFO] running `"docker" "start" "-a" "8631022b8afcb70229a50191aeb0c881688beaf79b27f52349ce590915af2dc8"` [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.17 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `"docker" "inspect" "8631022b8afcb70229a50191aeb0c881688beaf79b27f52349ce590915af2dc8"` [INFO] running `"docker" "rm" "-f" "8631022b8afcb70229a50191aeb0c881688beaf79b27f52349ce590915af2dc8"` [INFO] [stdout] 8631022b8afcb70229a50191aeb0c881688beaf79b27f52349ce590915af2dc8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/futures-core-preview/0.3.0-alpha.17:/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] 2231bba4ddc34de0a36f2b9e5bb8267082e4a7bfcf1d4f9a305fc151719b23d2 [INFO] running `"docker" "start" "-a" "2231bba4ddc34de0a36f2b9e5bb8267082e4a7bfcf1d4f9a305fc151719b23d2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/futures_core-891bda047dae1bae [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 [INFO] [stdout] [INFO] [stderr] Doc-tests futures_core [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 171) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 171) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `futures` [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 4 | use futures::future::Future; [INFO] [stdout] | ^^^^^^^ use of undeclared type or module `futures` [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `futures` [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::task::{Context, Poll, AtomicWaker}; [INFO] [stdout] | ^^^^^^^ use of undeclared type or module `futures` [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Poll` [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 24 | Poll::Ready(()) [INFO] [stdout] | ^^^^ use of undeclared type or module `Poll` [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Poll` [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:194:13 [INFO] [stdout] | [INFO] [stdout] 26 | Poll::Pending [INFO] [stdout] | ^^^^ use of undeclared type or module `Poll` [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `AtomicWaker` in this scope [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:179:12 [INFO] [stdout] | [INFO] [stdout] 11 | waker: AtomicWaker, [INFO] [stdout] | ^^^^^^^^^^^ not found in this scope [INFO] [stdout] help: possible candidate is found in another module, you can import it into scope [INFO] [stdout] | [INFO] [stdout] 3 | use futures_core::task::__internal::AtomicWaker; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:183:6 [INFO] [stdout] | [INFO] [stdout] 15 | impl Future for Flag { [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] help: possible candidates are found in other modules, you can import them into scope [INFO] [stdout] | [INFO] [stdout] 3 | use core::future::Future; [INFO] [stdout] | [INFO] [stdout] 3 | use futures_core::Future; [INFO] [stdout] | [INFO] [stdout] 3 | use futures_core::core_reexport::future::Future; [INFO] [stdout] | [INFO] [stdout] 3 | use futures_core::future::Future; [INFO] [stdout] | [INFO] [stdout] and 1 other candidates [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Context` in this scope [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:186:44 [INFO] [stdout] | [INFO] [stdout] 18 | fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<()> { [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] help: possible candidates are found in other modules, you can import them into scope [INFO] [stdout] | [INFO] [stdout] 3 | use core::task::Context; [INFO] [stdout] | [INFO] [stdout] 3 | use futures_core::core_reexport::task::Context; [INFO] [stdout] | [INFO] [stdout] 3 | use futures_core::task::Context; [INFO] [stdout] | [INFO] [stdout] 3 | use std::task::Context; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Poll` in this scope [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:186:60 [INFO] [stdout] | [INFO] [stdout] 18 | fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<()> { [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] help: possible candidates are found in other modules, you can import them into scope [INFO] [stdout] | [INFO] [stdout] 3 | use core::task::Poll; [INFO] [stdout] | [INFO] [stdout] 3 | use futures_core::Poll; [INFO] [stdout] | [INFO] [stdout] 3 | use futures_core::core_reexport::task::Poll; [INFO] [stdout] | [INFO] [stdout] 3 | use futures_core::task::Poll; [INFO] [stdout] | [INFO] [stdout] and 1 other candidates [INFO] [stdout] [INFO] [stdout] error: unused import: `futures::future::Future` [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 4 | use futures::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: lint level defined here [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: #[deny(unused_imports)] implied by #[deny(warnings)] [INFO] [stdout] [INFO] [stdout] error: unused imports: `AtomicWaker`, `Context`, `Poll` [INFO] [stdout] --> src/task/__internal/atomic_waker.rs:173:21 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::task::{Context, Poll, AtomicWaker}; [INFO] [stdout] | ^^^^^^^ ^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to 10 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0405`. [INFO] [stdout] thread 'src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 171)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:319:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7f4e20781823 - 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: 0x7f4e207794cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x7f4e2077da56 - 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: 0x7f4e2077d77e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x7f4e2077e15f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x560e2f53d784 - std::panicking::begin_panic::h2203228e86eb91b5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x560e2f53368f - rustdoc::test::run_test::h29a20600da33f74f [INFO] [stdout] at src/librustdoc/test.rs:319 [INFO] [stdout] 7: 0x560e2f5277c9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h84ad3bdb52e265e9 [INFO] [stdout] at src/librustdoc/test.rs:715 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 8: 0x7f4e21d04b7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 9: 0x7f4e21d04b7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x7f4e2078f169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x7f4e21d1ff87 - 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: 0x7f4e21cf99a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x7f4e21cfda54 - 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: 0x7f4e2078f169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x7f4e21cfe551 - 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: 0x7f4e2076036e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x7f4e2078dddf - 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: 0x7f4e202f74a3 - start_thread [INFO] [stdout] 19: 0x7f4e1fe22d0e - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 171) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "2231bba4ddc34de0a36f2b9e5bb8267082e4a7bfcf1d4f9a305fc151719b23d2"` [INFO] running `"docker" "rm" "-f" "2231bba4ddc34de0a36f2b9e5bb8267082e4a7bfcf1d4f9a305fc151719b23d2"` [INFO] [stdout] 2231bba4ddc34de0a36f2b9e5bb8267082e4a7bfcf1d4f9a305fc151719b23d2