[INFO] fetching crate pravega-connection-pool 0.2.0...
[INFO] testing pravega-connection-pool-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pravega-connection-pool 0.2.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate pravega-connection-pool 0.2.0 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 pravega-connection-pool 0.2.0
[INFO] finished tweaking crates.io crate pravega-connection-pool 0.2.0
[INFO] tweaked toml for crates.io crate pravega-connection-pool 0.2.0 written to /workspace/builds/worker-41/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 8362151e5cb2d25492ba48dc597d13df77e24d74ace21461522503af21261fb4
[INFO] running `Command { std: "docker" "start" "-a" "8362151e5cb2d25492ba48dc597d13df77e24d74ace21461522503af21261fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8362151e5cb2d25492ba48dc597d13df77e24d74ace21461522503af21261fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8362151e5cb2d25492ba48dc597d13df77e24d74ace21461522503af21261fb4", kill_on_drop: false }`
[INFO] [stdout] 8362151e5cb2d25492ba48dc597d13df77e24d74ace21461522503af21261fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] f96a66cc68944a9fd8e0cfd91ce7fc68237f0584729bca74017aa9a253a1d957
[INFO] running `Command { std: "docker" "start" "-a" "f96a66cc68944a9fd8e0cfd91ce7fc68237f0584729bca74017aa9a253a1d957", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling murmurhash3 v0.0.5
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling dashmap v3.11.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling pravega-client-shared v0.2.0
[INFO] [stderr]    Compiling pravega-connection-pool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "f96a66cc68944a9fd8e0cfd91ce7fc68237f0584729bca74017aa9a253a1d957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96a66cc68944a9fd8e0cfd91ce7fc68237f0584729bca74017aa9a253a1d957", kill_on_drop: false }`
[INFO] [stdout] f96a66cc68944a9fd8e0cfd91ce7fc68237f0584729bca74017aa9a253a1d957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 4fbb896a9355a1675a3c9a7cda8cac29879cea108e392c6b49555da247ffab9c
[INFO] running `Command { std: "docker" "start" "-a" "4fbb896a9355a1675a3c9a7cda8cac29879cea108e392c6b49555da247ffab9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pravega-connection-pool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "4fbb896a9355a1675a3c9a7cda8cac29879cea108e392c6b49555da247ffab9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbb896a9355a1675a3c9a7cda8cac29879cea108e392c6b49555da247ffab9c", kill_on_drop: false }`
[INFO] [stdout] 4fbb896a9355a1675a3c9a7cda8cac29879cea108e392c6b49555da247ffab9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 70637d48cc286377a77f508c15ffd02ebca3aa3117553cad4a65eb21b988bad4
[INFO] running `Command { std: "docker" "start" "-a" "70637d48cc286377a77f508c15ffd02ebca3aa3117553cad4a65eb21b988bad4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pravega_connection_pool-9dd4561db9ded1ed)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test connection_pool::tests::test_connection_pool_basic ... ok
[INFO] [stdout] test connection_pool::tests::test_connection_pool_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pravega-connection-pool
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/connection_pool.rs - connection_pool::Manager (line 35) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70637d48cc286377a77f508c15ffd02ebca3aa3117553cad4a65eb21b988bad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70637d48cc286377a77f508c15ffd02ebca3aa3117553cad4a65eb21b988bad4", kill_on_drop: false }`
[INFO] [stdout] 70637d48cc286377a77f508c15ffd02ebca3aa3117553cad4a65eb21b988bad4