[INFO] crate xtra 0.5.0-beta.3 is already in cache
[INFO] testing xtra-0.5.0-beta.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate xtra 0.5.0-beta.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate xtra 0.5.0-beta.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xtra 0.5.0-beta.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate xtra 0.5.0-beta.3
[INFO] tweaked toml for crates.io crate xtra 0.5.0-beta.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate xtra 0.5.0-beta.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 1f2ea9114a0311a7b2aced417455e6518e0048b409c4419d94731fbdb9be52ab
[INFO] running `Command { std: "docker" "start" "-a" "1f2ea9114a0311a7b2aced417455e6518e0048b409c4419d94731fbdb9be52ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f2ea9114a0311a7b2aced417455e6518e0048b409c4419d94731fbdb9be52ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2ea9114a0311a7b2aced417455e6518e0048b409c4419d94731fbdb9be52ab", kill_on_drop: false }`
[INFO] [stdout] 1f2ea9114a0311a7b2aced417455e6518e0048b409c4419d94731fbdb9be52ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8960eed3e62c247e3093fe68c0244eaa90e9869d26d46a9868c3ef314322775
[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" "a8960eed3e62c247e3093fe68c0244eaa90e9869d26d46a9868c3ef314322775", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling xtra v0.5.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.34s
[INFO] running `Command { std: "docker" "inspect" "a8960eed3e62c247e3093fe68c0244eaa90e9869d26d46a9868c3ef314322775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8960eed3e62c247e3093fe68c0244eaa90e9869d26d46a9868c3ef314322775", kill_on_drop: false }`
[INFO] [stdout] a8960eed3e62c247e3093fe68c0244eaa90e9869d26d46a9868c3ef314322775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5e6f20cec084321acfcef2aea75ea5f770adaffb5b92d8b1b834cfa20aec787
[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" "d5e6f20cec084321acfcef2aea75ea5f770adaffb5b92d8b1b834cfa20aec787", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling parking v1.0.3
[INFO] [stderr]    Compiling cache-padded v1.1.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling fastrand v1.3.2
[INFO] [stderr]    Compiling smol-potat-derive v0.1.0
[INFO] [stderr]    Compiling concurrent-queue v1.1.1
[INFO] [stderr]    Compiling blocking v0.4.6
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling smol-potat v0.3.3
[INFO] [stderr]    Compiling xtra v0.5.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "d5e6f20cec084321acfcef2aea75ea5f770adaffb5b92d8b1b834cfa20aec787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e6f20cec084321acfcef2aea75ea5f770adaffb5b92d8b1b834cfa20aec787", kill_on_drop: false }`
[INFO] [stdout] d5e6f20cec084321acfcef2aea75ea5f770adaffb5b92d8b1b834cfa20aec787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13af6d29b72775af26853ec1c6e0426b30ba5fda9df7d56e0279374212843da1
[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" "13af6d29b72775af26853ec1c6e0426b30ba5fda9df7d56e0279374212843da1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xtra-219e2824b2158e7a
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xtra
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - Actor::stopping (line 246) ... ok
[INFO] [stdout] test src/lib.rs - Handler (line 10) ... FAILED
[INFO] [stdout] test src/lib.rs - Message (line 45) ... ok
[INFO] [stdout] test src/address.rs - address::AddressExt::is_connected (line 73) ... FAILED
[INFO] [stdout] test src/lib.rs - Actor (line 188) ... FAILED
[INFO] [stdout] test src/manager.rs - manager::ActorManager<A>::manage (line 69) ... ok
[INFO] [stdout] test src/message_channel.rs - message_channel::MessageChannel (line 71) ... FAILED
[INFO] [stdout] test src/lib.rs - SyncHandler (line 68) ... FAILED
[INFO] [stdout] test src/context.rs - context::Context<A>::handle_while (line 159) ... FAILED
[INFO] [stdout] test src/lib.rs - Actor::create (line 338) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Handler (line 10) stdout ----
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `MyActor` in the current scope
[INFO] [stdout]   --> src/lib.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 4  | struct MyActor;
[INFO] [stdout]    | --------------- method `spawn` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 21 |     let addr = MyActor.spawn();
[INFO] [stdout]    |                        ^^^^^ method not found in `MyActor`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `spawn`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `futures_util::task::spawn::SpawnExt`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/address.rs - address::AddressExt::is_connected (line 73) stdout ----
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `MyActor` in the current scope
[INFO] [stdout]   --> src/address.rs:93:20
[INFO] [stdout]    |
[INFO] [stdout] 5  | struct MyActor;
[INFO] [stdout]    | --------------- method `spawn` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 22 | let addr = MyActor.spawn();
[INFO] [stdout]    |                    ^^^^^ method not found in `MyActor`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `spawn`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `futures_util::task::spawn::SpawnExt`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Actor (line 188) stdout ----
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `MyActor` in the current scope
[INFO] [stdout]   --> src/lib.rs:225:24
[INFO] [stdout]    |
[INFO] [stdout] 6  | struct MyActor;
[INFO] [stdout]    | --------------- method `spawn` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 39 |     let addr = MyActor.spawn();
[INFO] [stdout]    |                        ^^^^^ method not found in `MyActor`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `spawn`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `futures_util::task::spawn::SpawnExt`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/message_channel.rs - message_channel::MessageChannel (line 71) stdout ----
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `Alice` in the current scope
[INFO] [stdout]   --> src/message_channel.rs:101:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Alice;
[INFO] [stdout]    | ------------- method `spawn` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 32 |     let channels = [Alice.spawn().into_channel(), Bob.spawn().into_channel()];
[INFO] [stdout]    |                           ^^^^^ method not found in `Alice`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `spawn`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `futures_util::task::spawn::SpawnExt`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `Bob` in the current scope
[INFO] [stdout]   --> src/message_channel.rs:101:55
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Bob;
[INFO] [stdout]    | ----------- method `spawn` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 32 |     let channels = [Alice.spawn().into_channel(), Bob.spawn().into_channel()];
[INFO] [stdout]    |                                                       ^^^^^ method not found in `Bob`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `spawn`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `futures_util::task::spawn::SpawnExt`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - SyncHandler (line 68) stdout ----
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `MyActor` in the current scope
[INFO] [stdout]   --> src/lib.rs:86:24
[INFO] [stdout]    |
[INFO] [stdout] 4  | struct MyActor;
[INFO] [stdout]    | --------------- method `spawn` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 20 |     let addr = MyActor.spawn();
[INFO] [stdout]    |                        ^^^^^ method not found in `MyActor`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `spawn`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `futures_util::task::spawn::SpawnExt`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/context.rs - context::Context<A>::handle_while (line 159) stdout ----
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `ActorB` in the current scope
[INFO] [stdout]   --> src/context.rs:211:29
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct ActorB;
[INFO] [stdout]    | -------------- method `spawn` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 54 |     let actor_b = ActorB {}.spawn();
[INFO] [stdout]    |                             ^^^^^ method not found in `ActorB`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `spawn`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `futures_util::task::spawn::SpawnExt`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `ActorA` in the current scope
[INFO] [stdout]   --> src/context.rs:215:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct ActorA {
[INFO] [stdout]    | ------------- method `spawn` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 58 |     .spawn();
[INFO] [stdout]    |      ^^^^^ method not found in `ActorA`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `spawn`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `futures_util::task::spawn::SpawnExt`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/address.rs - address::AddressExt::is_connected (line 73)
[INFO] [stdout]     src/context.rs - context::Context<A>::handle_while (line 159)
[INFO] [stdout]     src/lib.rs - Actor (line 188)
[INFO] [stdout]     src/lib.rs - Handler (line 10)
[INFO] [stdout]     src/lib.rs - SyncHandler (line 68)
[INFO] [stdout]     src/message_channel.rs - message_channel::MessageChannel (line 71)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "13af6d29b72775af26853ec1c6e0426b30ba5fda9df7d56e0279374212843da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13af6d29b72775af26853ec1c6e0426b30ba5fda9df7d56e0279374212843da1", kill_on_drop: false }`
[INFO] [stdout] 13af6d29b72775af26853ec1c6e0426b30ba5fda9df7d56e0279374212843da1