[INFO] fetching crate actix-utils 3.0.0-beta.1...
[INFO] checking actix-utils-3.0.0-beta.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate actix-utils 3.0.0-beta.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate actix-utils 3.0.0-beta.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate actix-utils 3.0.0-beta.1
[INFO] finished tweaking crates.io crate actix-utils 3.0.0-beta.1
[INFO] tweaked toml for crates.io crate actix-utils 3.0.0-beta.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", 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] 137dd0a8df76dbaa2b0fece0bc906976373a40b9c1ac8d22e147f900ecca9e93
[INFO] running `Command { std: "docker" "start" "-a" "137dd0a8df76dbaa2b0fece0bc906976373a40b9c1ac8d22e147f900ecca9e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "137dd0a8df76dbaa2b0fece0bc906976373a40b9c1ac8d22e147f900ecca9e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "137dd0a8df76dbaa2b0fece0bc906976373a40b9c1ac8d22e147f900ecca9e93", kill_on_drop: false }`
[INFO] [stdout] 137dd0a8df76dbaa2b0fece0bc906976373a40b9c1ac8d22e147f900ecca9e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32d54070d90643c0ff4aebf3df1f96df86e869cdcf6042c5136d3c963c6868ff
[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" "32d54070d90643c0ff4aebf3df1f96df86e869cdcf6042c5136d3c963c6868ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking actix-service v2.0.0-beta.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling actix-macros v0.2.0-beta.1
[INFO] [stderr]     Checking actix-rt v2.0.0-beta.2
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking tokio-util v0.6.2
[INFO] [stderr]     Checking actix-codec v0.4.0-beta.1
[INFO] [stderr]     Checking actix-utils v3.0.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_util`
[INFO] [stdout]    --> src/mpsc.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use futures_util::future::lazy;
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_util`
[INFO] [stdout]    --> src/mpsc.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     use futures_util::{stream::Stream, StreamExt};
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_util`
[INFO] [stdout]    --> src/mpsc.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     use futures_util::{stream::Stream, StreamExt};
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stdout]    --> src/mpsc.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |             lazy(|cx| Pin::new(&mut rx).poll_next(cx)).await,
[INFO] [stdout]     |             ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stdout]    --> src/mpsc.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |             lazy(|cx| Pin::new(&mut rx).poll_next(cx)).await,
[INFO] [stdout]     |             ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `mpsc::Receiver<&str>` in the current scope
[INFO] [stdout]    --> src/mpsc.rs:195:23
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Receiver<T> {
[INFO] [stdout]     | ---------------------- method `next` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 195 |         assert_eq!(rx.next().await.unwrap(), "test");
[INFO] [stdout]     |                       ^^^^ method not found in `mpsc::Receiver<&str>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-stream-0.1.2/src/stream_ext.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn next(&mut self) -> Next<'_, Self>
[INFO] [stdout]     |        ---- the method is available for `Box<mpsc::Receiver<&str>>` 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 tokio_stream::stream_ext::StreamExt;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `mpsc::Receiver<&str>` in the current scope
[INFO] [stdout]    --> src/mpsc.rs:199:23
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Receiver<T> {
[INFO] [stdout]     | ---------------------- method `next` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 199 |         assert_eq!(rx.next().await.unwrap(), "test2");
[INFO] [stdout]     |                       ^^^^ method not found in `mpsc::Receiver<&str>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-stream-0.1.2/src/stream_ext.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn next(&mut self) -> Next<'_, Self>
[INFO] [stdout]     |        ---- the method is available for `Box<mpsc::Receiver<&str>>` 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 tokio_stream::stream_ext::StreamExt;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `mpsc::Receiver<&str>` in the current scope
[INFO] [stdout]    --> src/mpsc.rs:211:23
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Receiver<T> {
[INFO] [stdout]     | ---------------------- method `next` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 211 |         assert_eq!(rx.next().await, None);
[INFO] [stdout]     |                       ^^^^ method not found in `mpsc::Receiver<&str>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-stream-0.1.2/src/stream_ext.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn next(&mut self) -> Next<'_, Self>
[INFO] [stdout]     |        ---- the method is available for `Box<mpsc::Receiver<&str>>` 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 tokio_stream::stream_ext::StreamExt;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `actix-utils`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "32d54070d90643c0ff4aebf3df1f96df86e869cdcf6042c5136d3c963c6868ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d54070d90643c0ff4aebf3df1f96df86e869cdcf6042c5136d3c963c6868ff", kill_on_drop: false }`
[INFO] [stdout] 32d54070d90643c0ff4aebf3df1f96df86e869cdcf6042c5136d3c963c6868ff