[INFO] fetching crate stakker_async_await 0.0.1...
[INFO] testing stakker_async_await-0.0.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate stakker_async_await 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate stakker_async_await 0.0.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stakker_async_await 0.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate stakker_async_await 0.0.1
[INFO] tweaked toml for crates.io crate stakker_async_await 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47125841aa67a20524ef57c07d3eb9acd66342951449765e21e8afc20e73f937
[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" "47125841aa67a20524ef57c07d3eb9acd66342951449765e21e8afc20e73f937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47125841aa67a20524ef57c07d3eb9acd66342951449765e21e8afc20e73f937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47125841aa67a20524ef57c07d3eb9acd66342951449765e21e8afc20e73f937", kill_on_drop: false }`
[INFO] [stdout] 47125841aa67a20524ef57c07d3eb9acd66342951449765e21e8afc20e73f937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] a06ebf09163bcc97789521220da85a8a90126d7c1e1e88f654eb168b198a53e4
[INFO] running `Command { std: "docker" "start" "-a" "a06ebf09163bcc97789521220da85a8a90126d7c1e1e88f654eb168b198a53e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling stakker_async_await v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/futures_core.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/rust_std.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "a06ebf09163bcc97789521220da85a8a90126d7c1e1e88f654eb168b198a53e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06ebf09163bcc97789521220da85a8a90126d7c1e1e88f654eb168b198a53e4", kill_on_drop: false }`
[INFO] [stdout] a06ebf09163bcc97789521220da85a8a90126d7c1e1e88f654eb168b198a53e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15758bca3f3c363ea9232012ae023e3f6c4e9162ba22e40024ca30df5dc12b2a
[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" "15758bca3f3c363ea9232012ae023e3f6c4e9162ba22e40024ca30df5dc12b2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling stakker_async_await v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/futures_core.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/rust_std.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/futures_core.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/rust_std.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "15758bca3f3c363ea9232012ae023e3f6c4e9162ba22e40024ca30df5dc12b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15758bca3f3c363ea9232012ae023e3f6c4e9162ba22e40024ca30df5dc12b2a", kill_on_drop: false }`
[INFO] [stdout] 15758bca3f3c363ea9232012ae023e3f6c4e9162ba22e40024ca30df5dc12b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55ea30e2bc041e49baf8841149e6eb0f2326f27689cab0ebe78227dbaffe6ec5
[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" "55ea30e2bc041e49baf8841149e6eb0f2326f27689cab0ebe78227dbaffe6ec5", kill_on_drop: false }`
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/futures_core.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/rust_std.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/futures_core.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/rust_std.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stakker_async_await-5bd96502fe652358)
[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]      Running tests/futures_core.rs (/opt/rustwide/target/debug/deps/futures_core-fcd3002d03fcc041)
[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]      Running tests/rust_std.rs (/opt/rustwide/target/debug/deps/rust_std-86286971d0b67c19)
[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]      Running tests/main.rs (/opt/rustwide/target/debug/deps/tests-3a4bb812d2d6bbf8)
[INFO] [stdout] Running stakker_async_await tests:
[INFO] [stdout] - test_spawn ... OK
[INFO] [stdout] - test_future_push ... OK
[INFO] [stdout] - test_future_push_actorfail ... OK
[INFO] [stdout] - test_future_push_result ... OK
[INFO] [stdout] - test_future_push_result_actorfail ... OK
[INFO] [stdout] - test_future_pull ... OK
[INFO] [stdout] - test_future_pull_actorfail ... OK
[INFO] [stdout] - test_future_pull_result ... OK
[INFO] [stdout] - test_future_pull_result_actorfail ... OK
[INFO] [stdout] - test_stream_preload ... OK
[INFO] [stdout] - test_stream_batches ... OK
[INFO] [stdout] - test_stream_result_preload ... OK
[INFO] [stdout] - test_stream_result_batches ... OK
[INFO] [stdout] - test_stream_result_actorfail ... OK
[INFO] [stdout] test result: ok.  14 passed, 0 failed
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stakker_async_await
[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] running `Command { std: "docker" "inspect" "55ea30e2bc041e49baf8841149e6eb0f2326f27689cab0ebe78227dbaffe6ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ea30e2bc041e49baf8841149e6eb0f2326f27689cab0ebe78227dbaffe6ec5", kill_on_drop: false }`
[INFO] [stdout] 55ea30e2bc041e49baf8841149e6eb0f2326f27689cab0ebe78227dbaffe6ec5