[INFO] cloning repository https://github.com/ywjno/async_io_demo_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ywjno/async_io_demo_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fywjno%2Fasync_io_demo_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fywjno%2Fasync_io_demo_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2ba1f8d77d3b3c69db56f034aa81b0026736d45
[INFO] testing ywjno/async_io_demo_rs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fywjno%2Fasync_io_demo_rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ywjno/async_io_demo_rs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ywjno/async_io_demo_rs
[INFO] finished tweaking git repo https://github.com/ywjno/async_io_demo_rs
[INFO] tweaked toml for git repo https://github.com/ywjno/async_io_demo_rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ywjno/async_io_demo_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 340c6b6721d9fc3d2b6bcb788d702a1f435b57ce0005c25a342f1974fd2b8946
[INFO] running `Command { std: "docker" "start" "-a" "340c6b6721d9fc3d2b6bcb788d702a1f435b57ce0005c25a342f1974fd2b8946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "340c6b6721d9fc3d2b6bcb788d702a1f435b57ce0005c25a342f1974fd2b8946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340c6b6721d9fc3d2b6bcb788d702a1f435b57ce0005c25a342f1974fd2b8946", kill_on_drop: false }`
[INFO] [stdout] 340c6b6721d9fc3d2b6bcb788d702a1f435b57ce0005c25a342f1974fd2b8946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2662104131fb41c2e6221251a329e60457f8138f149881cb409ece2748894fd0
[INFO] running `Command { std: "docker" "start" "-a" "2662104131fb41c2e6221251a329e60457f8138f149881cb409ece2748894fd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling async_io_demo_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.80s
[INFO] running `Command { std: "docker" "inspect" "2662104131fb41c2e6221251a329e60457f8138f149881cb409ece2748894fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2662104131fb41c2e6221251a329e60457f8138f149881cb409ece2748894fd0", kill_on_drop: false }`
[INFO] [stdout] 2662104131fb41c2e6221251a329e60457f8138f149881cb409ece2748894fd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24f4da4dea7b684b08793c0f8e2b695c36c7bce61007aa0b8d5b35a4895cd9e5
[INFO] running `Command { std: "docker" "start" "-a" "24f4da4dea7b684b08793c0f8e2b695c36c7bce61007aa0b8d5b35a4895cd9e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling async_io_demo_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "24f4da4dea7b684b08793c0f8e2b695c36c7bce61007aa0b8d5b35a4895cd9e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f4da4dea7b684b08793c0f8e2b695c36c7bce61007aa0b8d5b35a4895cd9e5", kill_on_drop: false }`
[INFO] [stdout] 24f4da4dea7b684b08793c0f8e2b695c36c7bce61007aa0b8d5b35a4895cd9e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86d060be03ce2f24cb95ca9cf05295043fe74510fb5acf6d7a858fb14d517d5f
[INFO] running `Command { std: "docker" "start" "-a" "86d060be03ce2f24cb95ca9cf05295043fe74510fb5acf6d7a858fb14d517d5f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_io-3e158a6d06fb6750)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sync_io-1dcf8908d79adc3e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86d060be03ce2f24cb95ca9cf05295043fe74510fb5acf6d7a858fb14d517d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d060be03ce2f24cb95ca9cf05295043fe74510fb5acf6d7a858fb14d517d5f", kill_on_drop: false }`
[INFO] [stdout] 86d060be03ce2f24cb95ca9cf05295043fe74510fb5acf6d7a858fb14d517d5f