[INFO] fetching crate craftping 0.2.1...
[INFO] testing craftping-0.2.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate craftping 0.2.1 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate craftping 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate craftping 0.2.1
[INFO] finished tweaking crates.io crate craftping 0.2.1
[INFO] tweaked toml for crates.io crate craftping 0.2.1 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate craftping 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4994e2728c9f2d0e5391a3fcf3436833c036d0c87c8ea33e013d320ea2566ec1
[INFO] running `Command { std: "docker" "start" "-a" "4994e2728c9f2d0e5391a3fcf3436833c036d0c87c8ea33e013d320ea2566ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4994e2728c9f2d0e5391a3fcf3436833c036d0c87c8ea33e013d320ea2566ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4994e2728c9f2d0e5391a3fcf3436833c036d0c87c8ea33e013d320ea2566ec1", kill_on_drop: false }`
[INFO] [stdout] 4994e2728c9f2d0e5391a3fcf3436833c036d0c87c8ea33e013d320ea2566ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90713bf8b13cfd1a3d48cc77b334030561001882d9b412ed1de87511c5ba8f39
[INFO] running `Command { std: "docker" "start" "-a" "90713bf8b13cfd1a3d48cc77b334030561001882d9b412ed1de87511c5ba8f39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling craftping v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.45s
[INFO] running `Command { std: "docker" "inspect" "90713bf8b13cfd1a3d48cc77b334030561001882d9b412ed1de87511c5ba8f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90713bf8b13cfd1a3d48cc77b334030561001882d9b412ed1de87511c5ba8f39", kill_on_drop: false }`
[INFO] [stdout] 90713bf8b13cfd1a3d48cc77b334030561001882d9b412ed1de87511c5ba8f39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0450df333fca7ec2abac3b92d50745090dda77f20ad631724f42eb06fc9e8b
[INFO] running `Command { std: "docker" "start" "-a" "ac0450df333fca7ec2abac3b92d50745090dda77f20ad631724f42eb06fc9e8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling craftping v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `craftping::tokio`
[INFO] [stdout]  --> examples/tokio.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use craftping::tokio::ping;
[INFO] [stdout]   |                ^^^^^ could not find `tokio` in `craftping`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `craftping` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ac0450df333fca7ec2abac3b92d50745090dda77f20ad631724f42eb06fc9e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0450df333fca7ec2abac3b92d50745090dda77f20ad631724f42eb06fc9e8b", kill_on_drop: false }`
[INFO] [stdout] ac0450df333fca7ec2abac3b92d50745090dda77f20ad631724f42eb06fc9e8b
