[INFO] fetching crate integra8_impl 0.0.5-rc1...
[INFO] testing integra8_impl-0.0.5-rc1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate integra8_impl 0.0.5-rc1 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate integra8_impl 0.0.5-rc1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate integra8_impl 0.0.5-rc1
[INFO] finished tweaking crates.io crate integra8_impl 0.0.5-rc1
[INFO] tweaked toml for crates.io crate integra8_impl 0.0.5-rc1 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 012b9c30aa4b8d5c49225eed5db2c1897da508a8b3e222807207807a31e6c8d6
[INFO] running `Command { std: "docker" "start" "-a" "012b9c30aa4b8d5c49225eed5db2c1897da508a8b3e222807207807a31e6c8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "012b9c30aa4b8d5c49225eed5db2c1897da508a8b3e222807207807a31e6c8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012b9c30aa4b8d5c49225eed5db2c1897da508a8b3e222807207807a31e6c8d6", kill_on_drop: false }`
[INFO] [stdout] 012b9c30aa4b8d5c49225eed5db2c1897da508a8b3e222807207807a31e6c8d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 094ca86169679b254556e278e579ba81a9acaaccd1b5e694d6d02ec80cefd345
[INFO] running `Command { std: "docker" "start" "-a" "094ca86169679b254556e278e579ba81a9acaaccd1b5e694d6d02ec80cefd345", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling integra8_impl v0.0.5-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] error: No async runtime configured!
[INFO] [stdout]        To configure `tokio` use `integra8 = {version = "{VERSION}", features = ["core", "tokio-runtime"], default-features = false }`
[INFO] [stdout]        To configure `async-std` use `integra8 = {version = "{VERSION}", features = ["core", "async-std-runtime"], default-features = false }`
[INFO] [stdout]        Otherwise using `integra8 = {version = "{VERSION}" }` will enable tokio by default 
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / compile_error!(
[INFO] [stdout] 11 | | "No async runtime configured!
[INFO] [stdout] 12 | | To configure `tokio` use `integra8 = {version = \"{VERSION}\", features = [\"core\", \"tokio-runtime\"], default-features = false }`
[INFO] [stdout] 13 | | To configure `async-std` use `integra8 = {version = \"{VERSION}\", features = [\"core\", \"async-std-runtime\"], default-features = false }`
[INFO] [stdout] 14 | | Otherwise using `integra8 = {version = \"{VERSION}\" }` will enable tokio by default "
[INFO] [stdout] 15 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `integra8_impl` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "094ca86169679b254556e278e579ba81a9acaaccd1b5e694d6d02ec80cefd345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094ca86169679b254556e278e579ba81a9acaaccd1b5e694d6d02ec80cefd345", kill_on_drop: false }`
[INFO] [stdout] 094ca86169679b254556e278e579ba81a9acaaccd1b5e694d6d02ec80cefd345