[INFO] fetching crate futures-core 0.3.6...
[INFO] testing futures-core-0.3.6 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate futures-core 0.3.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate futures-core 0.3.6 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-core 0.3.6
[INFO] finished tweaking crates.io crate futures-core 0.3.6
[INFO] tweaked toml for crates.io crate futures-core 0.3.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd633ea4e552852583ded255c007bade7fe3ab627fd4806da60bb2d6f41d6e32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd633ea4e552852583ded255c007bade7fe3ab627fd4806da60bb2d6f41d6e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd633ea4e552852583ded255c007bade7fe3ab627fd4806da60bb2d6f41d6e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd633ea4e552852583ded255c007bade7fe3ab627fd4806da60bb2d6f41d6e32", kill_on_drop: false }`
[INFO] [stdout] dd633ea4e552852583ded255c007bade7fe3ab627fd4806da60bb2d6f41d6e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 077eab3d55658f75cf4bfa9b06d9b764d2287f76adfca3fa22acf1b04f1f7840
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "077eab3d55658f75cf4bfa9b06d9b764d2287f76adfca3fa22acf1b04f1f7840", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "077eab3d55658f75cf4bfa9b06d9b764d2287f76adfca3fa22acf1b04f1f7840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077eab3d55658f75cf4bfa9b06d9b764d2287f76adfca3fa22acf1b04f1f7840", kill_on_drop: false }`
[INFO] [stdout] 077eab3d55658f75cf4bfa9b06d9b764d2287f76adfca3fa22acf1b04f1f7840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89312c2e84e80b701a89daa401a2a514f131d346150864f83baf6a3ddd9d1d1c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "89312c2e84e80b701a89daa401a2a514f131d346150864f83baf6a3ddd9d1d1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "89312c2e84e80b701a89daa401a2a514f131d346150864f83baf6a3ddd9d1d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89312c2e84e80b701a89daa401a2a514f131d346150864f83baf6a3ddd9d1d1c", kill_on_drop: false }`
[INFO] [stdout] 89312c2e84e80b701a89daa401a2a514f131d346150864f83baf6a3ddd9d1d1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca3f87c504f4470fc520527072d27e0110913eeb8d43a07d12c7fb0cd833373b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca3f87c504f4470fc520527072d27e0110913eeb8d43a07d12c7fb0cd833373b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_core-15d745a05ceaf0b6
[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 2 tests
[INFO] [stdout] test src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker (line 38) ... FAILED
[INFO] [stdout] test src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 233) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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::core_reexport::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::core_reexport::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::core_reexport::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::core_reexport::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] ---- src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 233) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/__internal/atomic_waker.rs:234:5
[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:235:5
[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:256:13
[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:241:12
[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:245:6
[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:248:44
[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::core_reexport::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:248:60
[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::core_reexport::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:254:13
[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::core_reexport::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] 
[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 233)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "ca3f87c504f4470fc520527072d27e0110913eeb8d43a07d12c7fb0cd833373b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3f87c504f4470fc520527072d27e0110913eeb8d43a07d12c7fb0cd833373b", kill_on_drop: false }`
[INFO] [stdout] ca3f87c504f4470fc520527072d27e0110913eeb8d43a07d12c7fb0cd833373b
