[INFO] fetching crate fluvio-future 0.1.13...
[INFO] testing fluvio-future-0.1.13 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fluvio-future 0.1.13 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fluvio-future 0.1.13 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate fluvio-future 0.1.13
[INFO] finished tweaking crates.io crate fluvio-future 0.1.13
[INFO] tweaked toml for crates.io crate fluvio-future 0.1.13 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0b0aeeaac6b63432ca01fc8f10b0423090e7a3950b2cf7455d77c4a127d5b8c
[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" "f0b0aeeaac6b63432ca01fc8f10b0423090e7a3950b2cf7455d77c4a127d5b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b0aeeaac6b63432ca01fc8f10b0423090e7a3950b2cf7455d77c4a127d5b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b0aeeaac6b63432ca01fc8f10b0423090e7a3950b2cf7455d77c4a127d5b8c", kill_on_drop: false }`
[INFO] [stdout] f0b0aeeaac6b63432ca01fc8f10b0423090e7a3950b2cf7455d77c4a127d5b8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 1b1e76211ee4dc8244398c19f19ba0e98c2ef7b2f31dbbb256239af087c46960
[INFO] running `Command { std: "docker" "start" "-a" "1b1e76211ee4dc8244398c19f19ba0e98c2ef7b2f31dbbb256239af087c46960", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling fluvio-future v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.94s
[INFO] running `Command { std: "docker" "inspect" "1b1e76211ee4dc8244398c19f19ba0e98c2ef7b2f31dbbb256239af087c46960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1e76211ee4dc8244398c19f19ba0e98c2ef7b2f31dbbb256239af087c46960", kill_on_drop: false }`
[INFO] [stdout] 1b1e76211ee4dc8244398c19f19ba0e98c2ef7b2f31dbbb256239af087c46960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fcf8fb02f1f09baba3308f67673bb9108a402c87310d80393f200ea27b74102
[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" "7fcf8fb02f1f09baba3308f67673bb9108a402c87310d80393f200ea27b74102", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling fluvio-test-derive v0.1.0
[INFO] [stderr]    Compiling flv-util v0.5.2
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling fluvio-future v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_lite`
[INFO] [stdout]   --> src/test_util.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     use futures_lite::future::poll_fn;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_lite`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_lite`
[INFO] [stdout]   --> src/test_util.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use futures_lite::Future;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_lite`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `fluvio_future` in `{{root}}`
[INFO] [stdout]   --> src/test_util.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     #[test_async]
[INFO] [stdout]    |     ^^^^^^^^^^^^^ could not find `fluvio_future` in `{{root}}`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fluvio_future`
[INFO] [stdout]   --> src/test_util.rs:6:15
[INFO] [stdout]    |
[INFO] [stdout] 6  |         match fluvio_future::task::run_block_on(ft) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^ use of undeclared crate or module `fluvio_future`
[INFO] [stdout] ...
[INFO] [stdout] 44 |         assert_async_block!(ft);
[INFO] [stdout]    |         ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `fluvio_future` in `{{root}}`
[INFO] [stdout]   --> src/test_util.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[test_async]
[INFO] [stdout]    |     ^^^^^^^^^^^^^ could not find `fluvio_future` in `{{root}}`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `fluvio_future` in `{{root}}`
[INFO] [stdout]   --> src/test_util.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[test_async]
[INFO] [stdout]    |     ^^^^^^^^^^^^^ could not find `fluvio_future` in `{{root}}`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_fn` in this scope
[INFO] [stdout]   --> src/test_util.rs:71:20
[INFO] [stdout]    |
[INFO] [stdout] 71 |         assert_eq!(poll_fn(test_poll).await, 4);
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use core::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use futures_util::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use futures_util::stream::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use tokio::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fluvio-future`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7fcf8fb02f1f09baba3308f67673bb9108a402c87310d80393f200ea27b74102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcf8fb02f1f09baba3308f67673bb9108a402c87310d80393f200ea27b74102", kill_on_drop: false }`
[INFO] [stdout] 7fcf8fb02f1f09baba3308f67673bb9108a402c87310d80393f200ea27b74102