[INFO] fetching crate asynchron 0.8.2...
[INFO] testing asynchron-0.8.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate asynchron 0.8.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate asynchron 0.8.2 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 crates.io crate asynchron 0.8.2
[INFO] finished tweaking crates.io crate asynchron 0.8.2
[INFO] tweaked toml for crates.io crate asynchron 0.8.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2fe2aa7cd2b6665988e8b40b553d6fc62e40a01e9bad59771af557b583d13617
[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" "2fe2aa7cd2b6665988e8b40b553d6fc62e40a01e9bad59771af557b583d13617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fe2aa7cd2b6665988e8b40b553d6fc62e40a01e9bad59771af557b583d13617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe2aa7cd2b6665988e8b40b553d6fc62e40a01e9bad59771af557b583d13617", kill_on_drop: false }`
[INFO] [stdout] 2fe2aa7cd2b6665988e8b40b553d6fc62e40a01e9bad59771af557b583d13617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] cf1f18d0c060bb1cc52c2979cd918ff05b7f1cca04ed456174aae9fab021378d
[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" "cf1f18d0c060bb1cc52c2979cd918ff05b7f1cca04ed456174aae9fab021378d", kill_on_drop: false }`
[INFO] [stderr]    Compiling asynchron v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "cf1f18d0c060bb1cc52c2979cd918ff05b7f1cca04ed456174aae9fab021378d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1f18d0c060bb1cc52c2979cd918ff05b7f1cca04ed456174aae9fab021378d", kill_on_drop: false }`
[INFO] [stdout] cf1f18d0c060bb1cc52c2979cd918ff05b7f1cca04ed456174aae9fab021378d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] caa0f160f1d5feaafae4df0a3bd8611b33be1abf0ae46a2df2faf7ed4825be48
[INFO] running `Command { std: "docker" "start" "-a" "caa0f160f1d5feaafae4df0a3bd8611b33be1abf0ae46a2df2faf7ed4825be48", kill_on_drop: false }`
[INFO] [stderr]    Compiling asynchron v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "caa0f160f1d5feaafae4df0a3bd8611b33be1abf0ae46a2df2faf7ed4825be48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa0f160f1d5feaafae4df0a3bd8611b33be1abf0ae46a2df2faf7ed4825be48", kill_on_drop: false }`
[INFO] [stdout] caa0f160f1d5feaafae4df0a3bd8611b33be1abf0ae46a2df2faf7ed4825be48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 3191ff10852027a01fdf07a8065e7f644a81ce9dcb0fde6708d1c107f151f278
[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" "3191ff10852027a01fdf07a8065e7f644a81ce9dcb0fde6708d1c107f151f278", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/asynchron-bc1ca433c22eb7b8)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/drive.rs (/opt/rustwide/target/debug/deps/drive-f19f0de1b80bbeee)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests asynchron
[INFO] [stdout] test drive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - SyncState (line 661) ... ok
[INFO] [stdout] test src/lib.rs - Futurize (line 332) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3191ff10852027a01fdf07a8065e7f644a81ce9dcb0fde6708d1c107f151f278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3191ff10852027a01fdf07a8065e7f644a81ce9dcb0fde6708d1c107f151f278", kill_on_drop: false }`
[INFO] [stdout] 3191ff10852027a01fdf07a8065e7f644a81ce9dcb0fde6708d1c107f151f278