[INFO] fetching crate futures-core 0.3.16...
[INFO] testing futures-core-0.3.16 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate futures-core 0.3.16 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate futures-core 0.3.16 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-core 0.3.16
[INFO] finished tweaking crates.io crate futures-core 0.3.16
[INFO] tweaked toml for crates.io crate futures-core 0.3.16 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17d079ddb78cd303b9c1bfbe8039bd361c129734860e8aff46a4b57b0a74037d
[INFO] running `Command { std: "docker" "start" "-a" "17d079ddb78cd303b9c1bfbe8039bd361c129734860e8aff46a4b57b0a74037d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17d079ddb78cd303b9c1bfbe8039bd361c129734860e8aff46a4b57b0a74037d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d079ddb78cd303b9c1bfbe8039bd361c129734860e8aff46a4b57b0a74037d", kill_on_drop: false }`
[INFO] [stdout] 17d079ddb78cd303b9c1bfbe8039bd361c129734860e8aff46a4b57b0a74037d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8f4ff3c6a51e5c85711f3e00b4965b0b5cb5973f8a0ae48b74f5694ed17b0c
[INFO] running `Command { std: "docker" "start" "-a" "4e8f4ff3c6a51e5c85711f3e00b4965b0b5cb5973f8a0ae48b74f5694ed17b0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "4e8f4ff3c6a51e5c85711f3e00b4965b0b5cb5973f8a0ae48b74f5694ed17b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8f4ff3c6a51e5c85711f3e00b4965b0b5cb5973f8a0ae48b74f5694ed17b0c", kill_on_drop: false }`
[INFO] [stdout] 4e8f4ff3c6a51e5c85711f3e00b4965b0b5cb5973f8a0ae48b74f5694ed17b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 927ff7821691c34e5996a000cfd2abc5a0bee0b0b74b9ce649e775e0914767a7
[INFO] running `Command { std: "docker" "start" "-a" "927ff7821691c34e5996a000cfd2abc5a0bee0b0b74b9ce649e775e0914767a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "927ff7821691c34e5996a000cfd2abc5a0bee0b0b74b9ce649e775e0914767a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927ff7821691c34e5996a000cfd2abc5a0bee0b0b74b9ce649e775e0914767a7", kill_on_drop: false }`
[INFO] [stdout] 927ff7821691c34e5996a000cfd2abc5a0bee0b0b74b9ce649e775e0914767a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] edffb357c52bd7f9ed746cf629c3d25cb51b8a10b7c9784f0ebb4253e762102e
[INFO] running `Command { std: "docker" "start" "-a" "edffb357c52bd7f9ed746cf629c3d25cb51b8a10b7c9784f0ebb4253e762102e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_core-9212386ebed66f06)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 230) ... FAILED
[INFO] [stdout] test src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker (line 38) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 230) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/__internal/atomic_waker.rs:231:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::future::Future;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/__internal/atomic_waker.rs:232:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::task::{Context, Poll, AtomicWaker};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:253:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Poll::Pending
[INFO] [stdout]    |             ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `AtomicWaker` in this scope
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:238:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     waker: AtomicWaker,
[INFO] [stdout]    |            ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[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:242:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Future for Flag {
[INFO] [stdout]    |      ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::Future;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Context` in this scope
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:245:44
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<()> {
[INFO] [stdout]    |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::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:245:60
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<()> {
[INFO] [stdout]    |                                                            ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:251:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Poll::Ready(())
[INFO] [stdout]    |             ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 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] Couldn't compile the test.
[INFO] [stdout] ---- src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker (line 38) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/__internal/atomic_waker.rs:39:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::future::Future;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/__internal/atomic_waker.rs:40:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::task::{Context, Poll, AtomicWaker};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             Poll::Pending
[INFO] [stdout]    |             ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `AtomicWaker` in this scope
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     waker: AtomicWaker,
[INFO] [stdout]    |            ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::__internal::AtomicWaker;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `AtomicWaker`
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |             waker: AtomicWaker::new(),
[INFO] [stdout]    |                    ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[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:68:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Future for Flag {
[INFO] [stdout]    |      ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::Future;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Context` in this scope
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:71:44
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<()> {
[INFO] [stdout]    |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::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:71:60
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<()> {
[INFO] [stdout]    |                                                            ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |             return Poll::Ready(());
[INFO] [stdout]    |                    ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Poll::Ready(())
[INFO] [stdout]    |             ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::task::Poll;
[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] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker (line 38)
[INFO] [stdout]     src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 230)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "edffb357c52bd7f9ed746cf629c3d25cb51b8a10b7c9784f0ebb4253e762102e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edffb357c52bd7f9ed746cf629c3d25cb51b8a10b7c9784f0ebb4253e762102e", kill_on_drop: false }`
[INFO] [stdout] edffb357c52bd7f9ed746cf629c3d25cb51b8a10b7c9784f0ebb4253e762102e
