[INFO] fetching crate futures-macro-await-preview 0.2.2...
[INFO] testing futures-macro-await-preview-0.2.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate futures-macro-await-preview 0.2.2 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate futures-macro-await-preview 0.2.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-macro-await-preview 0.2.2
[INFO] finished tweaking crates.io crate futures-macro-await-preview 0.2.2
[INFO] tweaked toml for crates.io crate futures-macro-await-preview 0.2.2 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7613676caf2a037053addb0987f4eecccbe51a2d616eb0403a7352d90c84888
[INFO] running `Command { std: "docker" "start" "-a" "f7613676caf2a037053addb0987f4eecccbe51a2d616eb0403a7352d90c84888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7613676caf2a037053addb0987f4eecccbe51a2d616eb0403a7352d90c84888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7613676caf2a037053addb0987f4eecccbe51a2d616eb0403a7352d90c84888", kill_on_drop: false }`
[INFO] [stdout] f7613676caf2a037053addb0987f4eecccbe51a2d616eb0403a7352d90c84888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9257346c60a8e63b10f0d75e1d28f299832f171b9a9322274cdcf15554248c84
[INFO] running `Command { std: "docker" "start" "-a" "9257346c60a8e63b10f0d75e1d28f299832f171b9a9322274cdcf15554248c84", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro-await-preview v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "9257346c60a8e63b10f0d75e1d28f299832f171b9a9322274cdcf15554248c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9257346c60a8e63b10f0d75e1d28f299832f171b9a9322274cdcf15554248c84", kill_on_drop: false }`
[INFO] [stdout] 9257346c60a8e63b10f0d75e1d28f299832f171b9a9322274cdcf15554248c84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ac20f5463e00a6fc1b58175dfd48b04f8dae241d59a5cd75fff1a78f277fa1
[INFO] running `Command { std: "docker" "start" "-a" "08ac20f5463e00a6fc1b58175dfd48b04f8dae241d59a5cd75fff1a78f277fa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro-await-preview v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "08ac20f5463e00a6fc1b58175dfd48b04f8dae241d59a5cd75fff1a78f277fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ac20f5463e00a6fc1b58175dfd48b04f8dae241d59a5cd75fff1a78f277fa1", kill_on_drop: false }`
[INFO] [stdout] 08ac20f5463e00a6fc1b58175dfd48b04f8dae241d59a5cd75fff1a78f277fa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de985b53c3b26b24aef813b8233323820877f3bbec753f38acd1962b7e834112
[INFO] running `Command { std: "docker" "start" "-a" "de985b53c3b26b24aef813b8233323820877f3bbec753f38acd1962b7e834112", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_macro_await-6e8c3434341bcaf7)
[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]    Doc-tests futures_macro_await
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - await (line 17) ... ignored
[INFO] [stdout] test src/lib.rs - await_item (line 78) ... ignored
[INFO] [stdout] test src/lib.rs - stream_yield (line 127) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de985b53c3b26b24aef813b8233323820877f3bbec753f38acd1962b7e834112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de985b53c3b26b24aef813b8233323820877f3bbec753f38acd1962b7e834112", kill_on_drop: false }`
[INFO] [stdout] de985b53c3b26b24aef813b8233323820877f3bbec753f38acd1962b7e834112