[INFO] fetching crate async-datagram 3.0.0...
[INFO] testing async-datagram-3.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-datagram 3.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-datagram 3.0.0 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-datagram 3.0.0
[INFO] finished tweaking crates.io crate async-datagram 3.0.0
[INFO] tweaked toml for crates.io crate async-datagram 3.0.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 74e4ec93500c88ed99628fa7dcfe19fc32df581ee8972ff88e62c31c146e6c7f
[INFO] running `Command { std: "docker" "start" "-a" "74e4ec93500c88ed99628fa7dcfe19fc32df581ee8972ff88e62c31c146e6c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74e4ec93500c88ed99628fa7dcfe19fc32df581ee8972ff88e62c31c146e6c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e4ec93500c88ed99628fa7dcfe19fc32df581ee8972ff88e62c31c146e6c7f", kill_on_drop: false }`
[INFO] [stdout] 74e4ec93500c88ed99628fa7dcfe19fc32df581ee8972ff88e62c31c146e6c7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d8741250d8c13c06b0d897e72af82d47a1b757a21dc0badc24113e3866688832
[INFO] running `Command { std: "docker" "start" "-a" "d8741250d8c13c06b0d897e72af82d47a1b757a21dc0badc24113e3866688832", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-datagram v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d8741250d8c13c06b0d897e72af82d47a1b757a21dc0badc24113e3866688832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8741250d8c13c06b0d897e72af82d47a1b757a21dc0badc24113e3866688832", kill_on_drop: false }`
[INFO] [stdout] d8741250d8c13c06b0d897e72af82d47a1b757a21dc0badc24113e3866688832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 02eda1f51e000c5d893ba541e49e211b49cc30e73c967b68ec158d917e631769
[INFO] running `Command { std: "docker" "start" "-a" "02eda1f51e000c5d893ba541e49e211b49cc30e73c967b68ec158d917e631769", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-datagram v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "02eda1f51e000c5d893ba541e49e211b49cc30e73c967b68ec158d917e631769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02eda1f51e000c5d893ba541e49e211b49cc30e73c967b68ec158d917e631769", kill_on_drop: false }`
[INFO] [stdout] 02eda1f51e000c5d893ba541e49e211b49cc30e73c967b68ec158d917e631769
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 05c7e55e3ed5287443063fa73d12fbe46d2d5102aa7bba8f649799334b5cf98a
[INFO] running `Command { std: "docker" "start" "-a" "05c7e55e3ed5287443063fa73d12fbe46d2d5102aa7bba8f649799334b5cf98a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_datagram-5e2a8e48254ae12c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-57d0038de2c722b6)
[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 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]    Doc-tests async-datagram
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "05c7e55e3ed5287443063fa73d12fbe46d2d5102aa7bba8f649799334b5cf98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c7e55e3ed5287443063fa73d12fbe46d2d5102aa7bba8f649799334b5cf98a", kill_on_drop: false }`
[INFO] [stdout] 05c7e55e3ed5287443063fa73d12fbe46d2d5102aa7bba8f649799334b5cf98a