[INFO] fetching crate futures-core-preview 0.3.0-alpha.19...
[INFO] testing futures-core-preview-0.3.0-alpha.19 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate futures-core-preview 0.3.0-alpha.19 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate futures-core-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-core-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-core-preview 0.3.0-alpha.19 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-core-preview 0.3.0-alpha.19 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f8f238403382c74521e28b07495e1888f9c9f645d308f07c3d0ca10ed89a59d
[INFO] running `Command { std: "docker" "start" "-a" "3f8f238403382c74521e28b07495e1888f9c9f645d308f07c3d0ca10ed89a59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f8f238403382c74521e28b07495e1888f9c9f645d308f07c3d0ca10ed89a59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8f238403382c74521e28b07495e1888f9c9f645d308f07c3d0ca10ed89a59d", kill_on_drop: false }`
[INFO] [stdout] 3f8f238403382c74521e28b07495e1888f9c9f645d308f07c3d0ca10ed89a59d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e42cf209f4cb38e797264cbe49410314699d3194f01cba592ae79c0f9cdb8f81
[INFO] running `Command { std: "docker" "start" "-a" "e42cf209f4cb38e797264cbe49410314699d3194f01cba592ae79c0f9cdb8f81", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:262:26
[INFO] [stdout]     |
[INFO] [stdout] 262 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSync` is never used
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |         trait AssertSync: Sync {}
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e42cf209f4cb38e797264cbe49410314699d3194f01cba592ae79c0f9cdb8f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42cf209f4cb38e797264cbe49410314699d3194f01cba592ae79c0f9cdb8f81", kill_on_drop: false }`
[INFO] [stdout] e42cf209f4cb38e797264cbe49410314699d3194f01cba592ae79c0f9cdb8f81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f30570006f9891662548577479bfa3c06ba8ef29777c607c6091a6f2308b3627
[INFO] running `Command { std: "docker" "start" "-a" "f30570006f9891662548577479bfa3c06ba8ef29777c607c6091a6f2308b3627", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:262:26
[INFO] [stdout]     |
[INFO] [stdout] 262 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSync` is never used
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |         trait AssertSync: Sync {}
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:262:26
[INFO] [stdout]     |
[INFO] [stdout] 262 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSync` is never used
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |         trait AssertSync: Sync {}
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f30570006f9891662548577479bfa3c06ba8ef29777c607c6091a6f2308b3627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30570006f9891662548577479bfa3c06ba8ef29777c607c6091a6f2308b3627", kill_on_drop: false }`
[INFO] [stdout] f30570006f9891662548577479bfa3c06ba8ef29777c607c6091a6f2308b3627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eceb84a4e5e5b79a032895e569ce1bf1f35cfb7ad95494fce4c89250a1802b75
[INFO] running `Command { std: "docker" "start" "-a" "eceb84a4e5e5b79a032895e569ce1bf1f35cfb7ad95494fce4c89250a1802b75", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/task/__internal/atomic_waker.rs:262:26
[INFO] [stderr]     |
[INFO] [stderr] 262 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `AssertSync` is never used
[INFO] [stderr]    --> src/task/__internal/atomic_waker.rs:202:15
[INFO] [stderr]     |
[INFO] [stderr] 202 |         trait AssertSync: Sync {}
[INFO] [stderr]     |               ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `futures-core-preview` (lib) generated 2 warnings
[INFO] [stderr] warning: `futures-core-preview` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_core-642bd1d7f5aa8152)
[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 233) ... 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 233) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 | use futures::future::Future;
[INFO] [stdout]     |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | use futures::task::{Context, Poll, AtomicWaker};
[INFO] [stdout]     |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | use futures::future::Future;
[INFO] [stdout]    |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use futures::task::{Context, Poll, AtomicWaker};
[INFO] [stdout]    |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[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; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "eceb84a4e5e5b79a032895e569ce1bf1f35cfb7ad95494fce4c89250a1802b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eceb84a4e5e5b79a032895e569ce1bf1f35cfb7ad95494fce4c89250a1802b75", kill_on_drop: false }`
[INFO] [stdout] eceb84a4e5e5b79a032895e569ce1bf1f35cfb7ad95494fce4c89250a1802b75
