[INFO] fetching crate fluvio-future 0.3.0...
[INFO] checking fluvio-future-0.3.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate fluvio-future 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fluvio-future 0.3.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate fluvio-future 0.3.0
[INFO] finished tweaking crates.io crate fluvio-future 0.3.0
[INFO] tweaked toml for crates.io crate fluvio-future 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d19f60741d4655fcd0c99a6b919ec402a68b7fdbf9b23d086dcf62ee703ed5e3
[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" "d19f60741d4655fcd0c99a6b919ec402a68b7fdbf9b23d086dcf62ee703ed5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d19f60741d4655fcd0c99a6b919ec402a68b7fdbf9b23d086dcf62ee703ed5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19f60741d4655fcd0c99a6b919ec402a68b7fdbf9b23d086dcf62ee703ed5e3", kill_on_drop: false }`
[INFO] [stdout] d19f60741d4655fcd0c99a6b919ec402a68b7fdbf9b23d086dcf62ee703ed5e3
[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=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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c63b7672eb700cbc09062c5e29e2f2591aa94109c552ac7134f3ead7e1e68cc
[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" "6c63b7672eb700cbc09062c5e29e2f2591aa94109c552ac7134f3ead7e1e68cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling fluvio-test-derive v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking flv-util v0.5.2
[INFO] [stderr]     Checking fluvio-future v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_lite`
[INFO] [stdout]   --> src/test_util.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     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:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     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 the list of imported crates
[INFO] [stdout]   --> src/test_util.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[test_async]
[INFO] [stdout]    |     ^^^^^^^^^^^^^ could not find `fluvio_future` in the list of imported crates
[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:8:15
[INFO] [stdout]    |
[INFO] [stdout] 8  |         match fluvio_future::task::run_block_on(ft) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^ use of undeclared crate or module `fluvio_future`
[INFO] [stdout] ...
[INFO] [stdout] 48 |         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 the list of imported crates
[INFO] [stdout]   --> src/test_util.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[test_async]
[INFO] [stdout]    |     ^^^^^^^^^^^^^ could not find `fluvio_future` in the list of imported crates
[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 the list of imported crates
[INFO] [stdout]   --> src/test_util.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     #[test_async]
[INFO] [stdout]    |     ^^^^^^^^^^^^^ could not find `fluvio_future` in the list of imported crates
[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:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |         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] 20 |     use core::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use futures_util::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use futures_util::stream::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use std::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout]      and 1 other candidate
[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" "6c63b7672eb700cbc09062c5e29e2f2591aa94109c552ac7134f3ead7e1e68cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c63b7672eb700cbc09062c5e29e2f2591aa94109c552ac7134f3ead7e1e68cc", kill_on_drop: false }`
[INFO] [stdout] 6c63b7672eb700cbc09062c5e29e2f2591aa94109c552ac7134f3ead7e1e68cc