[INFO] fetching crate async-database 0.2.0...
[INFO] testing async-database-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-database 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate async-database 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-database 0.2.0
[INFO] finished tweaking crates.io crate async-database 0.2.0
[INFO] tweaked toml for crates.io crate async-database 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f2bb3097f5ee8bc6a38bdddd45ba81ff0fb7c4a6a7be7d35f3829efdc98b5fa
[INFO] running `Command { std: "docker" "start" "-a" "4f2bb3097f5ee8bc6a38bdddd45ba81ff0fb7c4a6a7be7d35f3829efdc98b5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f2bb3097f5ee8bc6a38bdddd45ba81ff0fb7c4a6a7be7d35f3829efdc98b5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2bb3097f5ee8bc6a38bdddd45ba81ff0fb7c4a6a7be7d35f3829efdc98b5fa", kill_on_drop: false }`
[INFO] [stdout] 4f2bb3097f5ee8bc6a38bdddd45ba81ff0fb7c4a6a7be7d35f3829efdc98b5fa
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c489f80e3d4d75edad3f89494ce1f2577441e195022f61cb53ebb86e84a874ef
[INFO] running `Command { std: "docker" "start" "-a" "c489f80e3d4d75edad3f89494ce1f2577441e195022f61cb53ebb86e84a874ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-database v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "c489f80e3d4d75edad3f89494ce1f2577441e195022f61cb53ebb86e84a874ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c489f80e3d4d75edad3f89494ce1f2577441e195022f61cb53ebb86e84a874ef", kill_on_drop: false }`
[INFO] [stdout] c489f80e3d4d75edad3f89494ce1f2577441e195022f61cb53ebb86e84a874ef
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fff4078c010e26449c61a8390cd4c1fd4c280007f0eb5e7b2b160fc1b4d7e2a
[INFO] running `Command { std: "docker" "start" "-a" "9fff4078c010e26449c61a8390cd4c1fd4c280007f0eb5e7b2b160fc1b4d7e2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-database v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "9fff4078c010e26449c61a8390cd4c1fd4c280007f0eb5e7b2b160fc1b4d7e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fff4078c010e26449c61a8390cd4c1fd4c280007f0eb5e7b2b160fc1b4d7e2a", kill_on_drop: false }`
[INFO] [stdout] 9fff4078c010e26449c61a8390cd4c1fd4c280007f0eb5e7b2b160fc1b4d7e2a
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 816a530e932e3fa7a9838c6fb1ba184443be43e5d3df8f55a314bebf26c6afb2
[INFO] running `Command { std: "docker" "start" "-a" "816a530e932e3fa7a9838c6fb1ba184443be43e5d3df8f55a314bebf26c6afb2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_database-7628ce1f8ea1af2f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-database
[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" "816a530e932e3fa7a9838c6fb1ba184443be43e5d3df8f55a314bebf26c6afb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816a530e932e3fa7a9838c6fb1ba184443be43e5d3df8f55a314bebf26c6afb2", kill_on_drop: false }`
[INFO] [stdout] 816a530e932e3fa7a9838c6fb1ba184443be43e5d3df8f55a314bebf26c6afb2