[INFO] fetching crate futures-core 0.3.32...
[INFO] testing futures-core-0.3.32 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate futures-core 0.3.32 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate futures-core 0.3.32
[INFO] finished tweaking crates.io crate futures-core 0.3.32
[INFO] tweaked toml for crates.io crate futures-core 0.3.32 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-core 0.3.32 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate futures-core 0.3.32 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ad1bd2357bee0703ae36bebc71d7c06caa3805dee5a26e46495d653e5869476
[INFO] running `Command { std: "docker" "start" "-a" "4ad1bd2357bee0703ae36bebc71d7c06caa3805dee5a26e46495d653e5869476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ad1bd2357bee0703ae36bebc71d7c06caa3805dee5a26e46495d653e5869476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad1bd2357bee0703ae36bebc71d7c06caa3805dee5a26e46495d653e5869476", kill_on_drop: false }`
[INFO] [stdout] 4ad1bd2357bee0703ae36bebc71d7c06caa3805dee5a26e46495d653e5869476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 359c39607610670a320750e2591e0024ec1b430fd3e73cc25293793d62a5bca9
[INFO] running `Command { std: "docker" "start" "-a" "359c39607610670a320750e2591e0024ec1b430fd3e73cc25293793d62a5bca9", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "359c39607610670a320750e2591e0024ec1b430fd3e73cc25293793d62a5bca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359c39607610670a320750e2591e0024ec1b430fd3e73cc25293793d62a5bca9", kill_on_drop: false }`
[INFO] [stdout] 359c39607610670a320750e2591e0024ec1b430fd3e73cc25293793d62a5bca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1871f5ec525496327a4d93ce136446bdbaf2905db408711eef785176483515f6
[INFO] running `Command { std: "docker" "start" "-a" "1871f5ec525496327a4d93ce136446bdbaf2905db408711eef785176483515f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "1871f5ec525496327a4d93ce136446bdbaf2905db408711eef785176483515f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1871f5ec525496327a4d93ce136446bdbaf2905db408711eef785176483515f6", kill_on_drop: false }`
[INFO] [stdout] 1871f5ec525496327a4d93ce136446bdbaf2905db408711eef785176483515f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d3d94261b36ea6c2bf8a07350a9554cd56f3d0b1def877b5df002f923cd4c7f
[INFO] running `Command { std: "docker" "start" "-a" "8d3d94261b36ea6c2bf8a07350a9554cd56f3d0b1def877b5df002f923cd4c7f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_core-6373f737aa87b0d6)
[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]: cannot find module or crate `futures` in this scope
[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]: cannot find module or crate `futures` in this scope
[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]: cannot find module or crate `futures` in this scope
[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]: cannot find module or crate `futures` in this scope
[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 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8d3d94261b36ea6c2bf8a07350a9554cd56f3d0b1def877b5df002f923cd4c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3d94261b36ea6c2bf8a07350a9554cd56f3d0b1def877b5df002f923cd4c7f", kill_on_drop: false }`
[INFO] [stdout] 8d3d94261b36ea6c2bf8a07350a9554cd56f3d0b1def877b5df002f923cd4c7f