[INFO] fetching crate wasm-rs-async-executor 0.9.0...
[INFO] testing wasm-rs-async-executor-0.9.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wasm-rs-async-executor 0.9.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate wasm-rs-async-executor 0.9.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-96/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-96/source/rust-toolchain
[INFO] started tweaking crates.io crate wasm-rs-async-executor 0.9.0
[INFO] finished tweaking crates.io crate wasm-rs-async-executor 0.9.0
[INFO] tweaked toml for crates.io crate wasm-rs-async-executor 0.9.0 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed5dafc857d785412abe38fef1be42d9416f369eae23c3024535f2dcd874dde4
[INFO] running `Command { std: "docker" "start" "-a" "ed5dafc857d785412abe38fef1be42d9416f369eae23c3024535f2dcd874dde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed5dafc857d785412abe38fef1be42d9416f369eae23c3024535f2dcd874dde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5dafc857d785412abe38fef1be42d9416f369eae23c3024535f2dcd874dde4", kill_on_drop: false }`
[INFO] [stdout] ed5dafc857d785412abe38fef1be42d9416f369eae23c3024535f2dcd874dde4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 663f7c0eab88c273694a065abd63837ec63e0f38e99f6b9b3dd235063eba5a7e
[INFO] running `Command { std: "docker" "start" "-a" "663f7c0eab88c273694a065abd63837ec63e0f38e99f6b9b3dd235063eba5a7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling wasm-rs-async-executor v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.52s
[INFO] running `Command { std: "docker" "inspect" "663f7c0eab88c273694a065abd63837ec63e0f38e99f6b9b3dd235063eba5a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663f7c0eab88c273694a065abd63837ec63e0f38e99f6b9b3dd235063eba5a7e", kill_on_drop: false }`
[INFO] [stdout] 663f7c0eab88c273694a065abd63837ec63e0f38e99f6b9b3dd235063eba5a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fde75065616161e7cf2e5849e74f3302d57d001f8012dc48bdf5bdab4d9dc359
[INFO] running `Command { std: "docker" "start" "-a" "fde75065616161e7cf2e5849e74f3302d57d001f8012dc48bdf5bdab4d9dc359", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling wasm-rs-async-executor v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `future` in `futures`
[INFO] [stdout]    --> src/single_threaded.rs:773:22
[INFO] [stdout]     |
[INFO] [stdout] 773 |             futures::future::pending::<()>().await // this will never end
[INFO] [stdout]     |                      ^^^^^^ could not find `future` in `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-rs-async-executor` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fde75065616161e7cf2e5849e74f3302d57d001f8012dc48bdf5bdab4d9dc359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde75065616161e7cf2e5849e74f3302d57d001f8012dc48bdf5bdab4d9dc359", kill_on_drop: false }`
[INFO] [stdout] fde75065616161e7cf2e5849e74f3302d57d001f8012dc48bdf5bdab4d9dc359