[INFO] fetching crate futures 0.3.29...
[INFO] checking futures-0.3.29 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate futures 0.3.29 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate futures 0.3.29 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures 0.3.29
[INFO] finished tweaking crates.io crate futures 0.3.29
[INFO] tweaked toml for crates.io crate futures 0.3.29 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f889322a117a25c2b26beb36a9f3688d8525d2cf3a470e6e5b1cf4764744aa5b
[INFO] running `Command { std: "docker" "start" "-a" "f889322a117a25c2b26beb36a9f3688d8525d2cf3a470e6e5b1cf4764744aa5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f889322a117a25c2b26beb36a9f3688d8525d2cf3a470e6e5b1cf4764744aa5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f889322a117a25c2b26beb36a9f3688d8525d2cf3a470e6e5b1cf4764744aa5b", kill_on_drop: false }`
[INFO] [stdout] f889322a117a25c2b26beb36a9f3688d8525d2cf3a470e6e5b1cf4764744aa5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb39d7893b50132c3928218fcfb276036649cefabc87ea654c97aa40ab59de42
[INFO] running `Command { std: "docker" "start" "-a" "cb39d7893b50132c3928218fcfb276036649cefabc87ea654c97aa40ab59de42", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.29 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/sink.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures_test::task::panic_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures_task::task::panic_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_line.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::io::AsyncReadTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_task::io::AsyncReadTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_line.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_task::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_abortable.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::task::new_count_waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_task::task::new_count_waker;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/lock_mutex.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_task::future::FutureTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/lock_mutex.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_test::task::{new_count_waker, panic_context};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_task::task::{new_count_waker, panic_context};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures::executor::ThreadPool`
[INFO] [stdout]    --> tests/lock_mutex.rs:2:35
[INFO] [stdout]     |
[INFO] [stdout] 2   | use futures::executor::{block_on, ThreadPool};
[INFO] [stdout]     |                                   ^^^^^^^^^^ no `ThreadPool` in `executor`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub use futures_executor::{ThreadPool, ThreadPoolBuilder};
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `thread-pool` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_futures_unordered.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_task::future::FutureTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_futures_unordered.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_task::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures` (test "stream_abortable") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `futures_test`
[INFO] [stdout]  --> tests/stream_futures_unordered.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_test::{assert_stream_done, assert_stream_next, assert_stream_pending};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_task::{assert_stream_done, assert_stream_next, assert_stream_pending};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_select_all.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_task::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/stream.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use futures_test::task::noop_context;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 18 | use futures_task::task::noop_context;
[INFO] [stdout]    |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_executor::ThreadPool`
[INFO] [stdout]   --> tests/stream.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use futures_executor::ThreadPool;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ThreadPool` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-executor-0.3.30/src/lib.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub use crate::thread_pool::{ThreadPool, ThreadPoolBuilder};
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `thread-pool` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for reference `&'static [u8; 2]` in the current scope
[INFO] [stdout]   --> tests/io_read_line.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut buf = b"12".interleave_pending();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ method not found in `&[u8; 2]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures` (test "stream_select_all") due to 2 previous errors
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready` in the current scope
[INFO] [stdout]   --> tests/lock_mutex.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 ready(()).pending_once().await;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ method not found in `Ready<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SpawnExt`
[INFO] [stdout]  --> tests/lock_mutex.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::task::{Context, SpawnExt};
[INFO] [stdout]   |                              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures` (test "lock_mutex") due to 5 previous errors; 1 warning emitted
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready` in the current scope
[INFO] [stdout]    --> tests/stream_futures_unordered.rs:280:33
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let fut = future::ready(()).pending_once().assert_unmoved();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^ method not found in `Ready<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead` in the current scope
[INFO] [stdout]   --> tests/io_read_line.rs:45:80
[INFO] [stdout]    |
[INFO] [stdout] 45 |         stream::iter(vec![&b"12"[..], &b"\n\n"[..]]).map(Ok).into_async_read().interleave_pending();
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<Map<Iter<IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], Error> {Result::<&[u8], Error>::Ok}>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/io_read_line-d5ef29175df18953.long-type-4284310744934778420.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures` (test "io_read_line") due to 5 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures` (test "stream") due to 3 previous errors
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures` (test "stream_futures_unordered") due to 5 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures` (test "sink") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cb39d7893b50132c3928218fcfb276036649cefabc87ea654c97aa40ab59de42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb39d7893b50132c3928218fcfb276036649cefabc87ea654c97aa40ab59de42", kill_on_drop: false }`
[INFO] [stdout] cb39d7893b50132c3928218fcfb276036649cefabc87ea654c97aa40ab59de42
