[INFO] fetching crate async-redis-session 0.2.2...
[INFO] testing async-redis-session-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-redis-session 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-redis-session 0.2.2 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 async-redis-session 0.2.2
[INFO] finished tweaking crates.io crate async-redis-session 0.2.2
[INFO] tweaked toml for crates.io crate async-redis-session 0.2.2 written to /workspace/builds/worker-6/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8ff921785345b4246678f8431e92521ecc69a1e9d66da5e8c279fc30e38d3b39
[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" "8ff921785345b4246678f8431e92521ecc69a1e9d66da5e8c279fc30e38d3b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ff921785345b4246678f8431e92521ecc69a1e9d66da5e8c279fc30e38d3b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff921785345b4246678f8431e92521ecc69a1e9d66da5e8c279fc30e38d3b39", kill_on_drop: false }`
[INFO] [stdout] 8ff921785345b4246678f8431e92521ecc69a1e9d66da5e8c279fc30e38d3b39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37030fe1dee474b266c5004bccba1101ab31e88cc39f906c13c0b7fbe1344f44
[INFO] running `Command { std: "docker" "start" "-a" "37030fe1dee474b266c5004bccba1101ab31e88cc39f906c13c0b7fbe1344f44", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling combine v4.6.1
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling redis v0.20.2
[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-0.20.2/src/types.rs:529:53
[INFO] [stdout]     |
[INFO] [stdout] 529 |   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] [stderr]    Compiling async-session v3.0.0
[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-0.20.2/src/aio.rs:531:10
[INFO] [stdout]     |
[INFO] [stdout] 531 |         .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-0.20.2/src/aio.rs:581:10
[INFO] [stdout]     |
[INFO] [stdout] 581 |         .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-0.20.2/src/aio.rs:895:10
[INFO] [stdout]     |
[INFO] [stdout] 895 |         .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-0.20.2/src/aio.rs:918:10
[INFO] [stdout]     |
[INFO] [stdout] 918 |         .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" "37030fe1dee474b266c5004bccba1101ab31e88cc39f906c13c0b7fbe1344f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37030fe1dee474b266c5004bccba1101ab31e88cc39f906c13c0b7fbe1344f44", kill_on_drop: false }`
[INFO] [stdout] 37030fe1dee474b266c5004bccba1101ab31e88cc39f906c13c0b7fbe1344f44