[INFO] fetching crate futures-core 0.3.31...
[INFO] testing futures-core-0.3.31 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate futures-core 0.3.31 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate futures-core 0.3.31
[INFO] finished tweaking crates.io crate futures-core 0.3.31
[INFO] tweaked toml for crates.io crate futures-core 0.3.31 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-core 0.3.31 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 830df05cb635eb8b6814195fd392c1e8ffdac6ed392b2668d31d47cd83e6023d
[INFO] running `Command { std: "docker" "start" "-a" "830df05cb635eb8b6814195fd392c1e8ffdac6ed392b2668d31d47cd83e6023d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "830df05cb635eb8b6814195fd392c1e8ffdac6ed392b2668d31d47cd83e6023d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830df05cb635eb8b6814195fd392c1e8ffdac6ed392b2668d31d47cd83e6023d", kill_on_drop: false }`
[INFO] [stdout] 830df05cb635eb8b6814195fd392c1e8ffdac6ed392b2668d31d47cd83e6023d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2a5ab74bdb363756dbe63d7f5087d91e98bcb63b531e03fa1348f093d22687c
[INFO] running `Command { std: "docker" "start" "-a" "c2a5ab74bdb363756dbe63d7f5087d91e98bcb63b531e03fa1348f093d22687c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "c2a5ab74bdb363756dbe63d7f5087d91e98bcb63b531e03fa1348f093d22687c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a5ab74bdb363756dbe63d7f5087d91e98bcb63b531e03fa1348f093d22687c", kill_on_drop: false }`
[INFO] [stdout] c2a5ab74bdb363756dbe63d7f5087d91e98bcb63b531e03fa1348f093d22687c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c022b61f2898bc03e5510b612533b3f15981462f1af8cc458a072a07668fbfe
[INFO] running `Command { std: "docker" "start" "-a" "4c022b61f2898bc03e5510b612533b3f15981462f1af8cc458a072a07668fbfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4c022b61f2898bc03e5510b612533b3f15981462f1af8cc458a072a07668fbfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c022b61f2898bc03e5510b612533b3f15981462f1af8cc458a072a07668fbfe", kill_on_drop: false }`
[INFO] [stdout] 4c022b61f2898bc03e5510b612533b3f15981462f1af8cc458a072a07668fbfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98c2dddaa003bd773b3285ffc0c4a572e9b24fc1c68667699ad4c6ed2bde6589
[INFO] running `Command { std: "docker" "start" "-a" "98c2dddaa003bd773b3285ffc0c4a572e9b24fc1c68667699ad4c6ed2bde6589", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_core-2950f4bf9544429b)
[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 238) ... FAILED
[INFO] [stdout] test src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker (line 45) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 238) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]    --> src/task/__internal/atomic_waker.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 239 | 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:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 | 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 45) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   --> src/task/__internal/atomic_waker.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | 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:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | 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 45)
[INFO] [stdout]     src/task/__internal/atomic_waker.rs - task::__internal::atomic_waker::AtomicWaker::register (line 238)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "98c2dddaa003bd773b3285ffc0c4a572e9b24fc1c68667699ad4c6ed2bde6589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c2dddaa003bd773b3285ffc0c4a572e9b24fc1c68667699ad4c6ed2bde6589", kill_on_drop: false }`
[INFO] [stdout] 98c2dddaa003bd773b3285ffc0c4a572e9b24fc1c68667699ad4c6ed2bde6589