[INFO] fetching crate redis_r2d2 0.17.0...
[INFO] checking redis_r2d2-0.17.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate redis_r2d2 0.17.0 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate redis_r2d2 0.17.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redis_r2d2 0.17.0
[INFO] finished tweaking crates.io crate redis_r2d2 0.17.0
[INFO] tweaked toml for crates.io crate redis_r2d2 0.17.0 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f56228e54f6a6ed8a75e5f17c9bcf4e00470f6f888ffb103579b26918c548a2b
[INFO] running `Command { std: "docker" "start" "-a" "f56228e54f6a6ed8a75e5f17c9bcf4e00470f6f888ffb103579b26918c548a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f56228e54f6a6ed8a75e5f17c9bcf4e00470f6f888ffb103579b26918c548a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56228e54f6a6ed8a75e5f17c9bcf4e00470f6f888ffb103579b26918c548a2b", kill_on_drop: false }`
[INFO] [stdout] f56228e54f6a6ed8a75e5f17c9bcf4e00470f6f888ffb103579b26918c548a2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3bd4bd55284cb1ebb1b414eddc4b3f875145b52c8fffb40f13ec6353f872c36
[INFO] running `Command { std: "docker" "start" "-a" "a3bd4bd55284cb1ebb1b414eddc4b3f875145b52c8fffb40f13ec6353f872c36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking memchr v2.4.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking async-std v1.10.0
[INFO] [stderr]     Checking combine v4.6.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stdout] error[E0412]: cannot find type `BoxFuture` in module `futures_util::future`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redis-0.17.0/src/types.rs:525:53
[INFO] [stdout]     |
[INFO] [stdout] 525 |   pub type RedisFuture<'a, T> = futures_util::future::BoxFuture<'a, RedisResult<T>>;
[INFO] [stdout]     |                                                       ^^^^^^^^^ help: a trait with a similar name exists: `Future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `boxed` found for opaque type `impl futures_util::Future` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redis-0.17.0/src/aio.rs:558:10
[INFO] [stdout]     |
[INFO] [stdout] 558 |         .boxed()
[INFO] [stdout]     |          ^^^^^ method not found in `impl futures_util::Future`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-lite-1.12.0/src/future.rs:770:8
[INFO] [stdout]     |
[INFO] [stdout] 770 |     fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
[INFO] [stdout]     |        ----- the method is available for `impl futures_util::Future` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use futures_lite::future::FutureExt;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `boxed` found for opaque type `impl futures_util::Future` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redis-0.17.0/src/aio.rs:587:10
[INFO] [stdout]     |
[INFO] [stdout] 587 |         .boxed()
[INFO] [stdout]     |          ^^^^^ method not found in `impl futures_util::Future`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-lite-1.12.0/src/future.rs:770:8
[INFO] [stdout]     |
[INFO] [stdout] 770 |     fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
[INFO] [stdout]     |        ----- the method is available for `impl futures_util::Future` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use futures_lite::future::FutureExt;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `boxed` found for opaque type `impl futures_util::Future` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redis-0.17.0/src/aio.rs:947:10
[INFO] [stdout]     |
[INFO] [stdout] 947 |         .boxed()
[INFO] [stdout]     |          ^^^^^ method not found in `impl futures_util::Future`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-lite-1.12.0/src/future.rs:770:8
[INFO] [stdout]     |
[INFO] [stdout] 770 |     fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
[INFO] [stdout]     |        ----- the method is available for `impl futures_util::Future` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use futures_lite::future::FutureExt;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `boxed` found for opaque type `impl futures_util::Future` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redis-0.17.0/src/aio.rs:970:10
[INFO] [stdout]     |
[INFO] [stdout] 970 |         .boxed()
[INFO] [stdout]     |          ^^^^^ method not found in `impl futures_util::Future`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-lite-1.12.0/src/future.rs:770:8
[INFO] [stdout]     |
[INFO] [stdout] 770 |     fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
[INFO] [stdout]     |        ----- the method is available for `impl futures_util::Future` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use futures_lite::future::FutureExt;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "a3bd4bd55284cb1ebb1b414eddc4b3f875145b52c8fffb40f13ec6353f872c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3bd4bd55284cb1ebb1b414eddc4b3f875145b52c8fffb40f13ec6353f872c36", kill_on_drop: false }`
[INFO] [stdout] a3bd4bd55284cb1ebb1b414eddc4b3f875145b52c8fffb40f13ec6353f872c36
