[INFO] fetching crate basic_tcp_proxy 0.3.0...
[INFO] testing basic_tcp_proxy-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate basic_tcp_proxy 0.3.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate basic_tcp_proxy 0.3.0 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 basic_tcp_proxy 0.3.0
[INFO] finished tweaking crates.io crate basic_tcp_proxy 0.3.0
[INFO] tweaked toml for crates.io crate basic_tcp_proxy 0.3.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate basic_tcp_proxy 0.3.0 already has a lockfile, it will not be regenerated
[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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 2b3ffef7102289b7a98604d1a4f3fcdea7acc20d898193d7abecb3b1e9eaa409
[INFO] running `Command { std: "docker" "start" "-a" "2b3ffef7102289b7a98604d1a4f3fcdea7acc20d898193d7abecb3b1e9eaa409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b3ffef7102289b7a98604d1a4f3fcdea7acc20d898193d7abecb3b1e9eaa409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3ffef7102289b7a98604d1a4f3fcdea7acc20d898193d7abecb3b1e9eaa409", kill_on_drop: false }`
[INFO] [stdout] 2b3ffef7102289b7a98604d1a4f3fcdea7acc20d898193d7abecb3b1e9eaa409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] ae52b2ce9b16a414d3add24241d40a00ebbd39a185e82635b7e5e5d39b4bba7a
[INFO] running `Command { std: "docker" "start" "-a" "ae52b2ce9b16a414d3add24241d40a00ebbd39a185e82635b7e5e5d39b4bba7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling basic_tcp_proxy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "ae52b2ce9b16a414d3add24241d40a00ebbd39a185e82635b7e5e5d39b4bba7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae52b2ce9b16a414d3add24241d40a00ebbd39a185e82635b7e5e5d39b4bba7a", kill_on_drop: false }`
[INFO] [stdout] ae52b2ce9b16a414d3add24241d40a00ebbd39a185e82635b7e5e5d39b4bba7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] dedc63c265d516f8e8d01ccf5d8975cbd5640723c07a9772f928c27831180f8f
[INFO] running `Command { std: "docker" "start" "-a" "dedc63c265d516f8e8d01ccf5d8975cbd5640723c07a9772f928c27831180f8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_tcp_proxy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "dedc63c265d516f8e8d01ccf5d8975cbd5640723c07a9772f928c27831180f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedc63c265d516f8e8d01ccf5d8975cbd5640723c07a9772f928c27831180f8f", kill_on_drop: false }`
[INFO] [stdout] dedc63c265d516f8e8d01ccf5d8975cbd5640723c07a9772f928c27831180f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 969d7e056e0223074f8ddae0f0a45e33b1a16bb96b25741d6ba6d4681de95122
[INFO] running `Command { std: "docker" "start" "-a" "969d7e056e0223074f8ddae0f0a45e33b1a16bb96b25741d6ba6d4681de95122", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_tcp_proxy-7c931ede59557381)
[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/client-953a9ce04dd3b446)
[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 basic_tcp_proxy
[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" "969d7e056e0223074f8ddae0f0a45e33b1a16bb96b25741d6ba6d4681de95122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969d7e056e0223074f8ddae0f0a45e33b1a16bb96b25741d6ba6d4681de95122", kill_on_drop: false }`
[INFO] [stdout] 969d7e056e0223074f8ddae0f0a45e33b1a16bb96b25741d6ba6d4681de95122