[INFO] fetching crate tcp_wrapper 0.2.2...
[INFO] testing tcp_wrapper-0.2.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate tcp_wrapper 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tcp_wrapper 0.2.2
[INFO] finished tweaking crates.io crate tcp_wrapper 0.2.2
[INFO] tweaked toml for crates.io crate tcp_wrapper 0.2.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tcp_wrapper 0.2.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tcp_wrapper 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded lock_api v0.4.6
[INFO] [stderr]   Downloaded serde_derive v1.0.136
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded parking_lot v0.12.0
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded redox_syscall v0.2.11
[INFO] [stderr]   Downloaded parking_lot_core v0.9.1
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded tokio v1.17.0
[INFO] [stderr]   Downloaded mio v0.8.0
[INFO] [stderr]   Downloaded ntapi v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cf001d647ddd7bbafe8465413d4cb4ec9967751206255f30691b3bee3f985b5
[INFO] running `Command { std: "docker" "start" "-a" "7cf001d647ddd7bbafe8465413d4cb4ec9967751206255f30691b3bee3f985b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cf001d647ddd7bbafe8465413d4cb4ec9967751206255f30691b3bee3f985b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf001d647ddd7bbafe8465413d4cb4ec9967751206255f30691b3bee3f985b5", kill_on_drop: false }`
[INFO] [stdout] 7cf001d647ddd7bbafe8465413d4cb4ec9967751206255f30691b3bee3f985b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30617039c331d6d8bdd4da56d7e2b40ac88ee2f6201f4301d9794a8f0f8869f3
[INFO] running `Command { std: "docker" "start" "-a" "30617039c331d6d8bdd4da56d7e2b40ac88ee2f6201f4301d9794a8f0f8869f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tcp_wrapper v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.54s
[INFO] running `Command { std: "docker" "inspect" "30617039c331d6d8bdd4da56d7e2b40ac88ee2f6201f4301d9794a8f0f8869f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30617039c331d6d8bdd4da56d7e2b40ac88ee2f6201f4301d9794a8f0f8869f3", kill_on_drop: false }`
[INFO] [stdout] 30617039c331d6d8bdd4da56d7e2b40ac88ee2f6201f4301d9794a8f0f8869f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 691015d81bd98082174ddf2ca09b12b6ccb589d81dcb4bf45388436a01657d16
[INFO] running `Command { std: "docker" "start" "-a" "691015d81bd98082174ddf2ca09b12b6ccb589d81dcb4bf45388436a01657d16", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_wrapper v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "691015d81bd98082174ddf2ca09b12b6ccb589d81dcb4bf45388436a01657d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691015d81bd98082174ddf2ca09b12b6ccb589d81dcb4bf45388436a01657d16", kill_on_drop: false }`
[INFO] [stdout] 691015d81bd98082174ddf2ca09b12b6ccb589d81dcb4bf45388436a01657d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68bd2371650c305b022fbfeafe937411f46d4deb80c0240d325d337d708adc1f
[INFO] running `Command { std: "docker" "start" "-a" "68bd2371650c305b022fbfeafe937411f46d4deb80c0240d325d337d708adc1f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tcp_wrapper-d673cb1c859a87dc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tcp_wrapper
[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 4 tests
[INFO] [stdout] test src/tcp_client/client_std.rs - tcp_client::client_std::Client (line 13) ... ok
[INFO] [stdout] test src/tcp_server/server_std/mod.rs - tcp_server::server_std::TcpServer (line 13) ... ok
[INFO] [stdout] test src/tcp_server/server_async/mod.rs - tcp_server::server_async::TcpServer (line 14) ... FAILED
[INFO] [stdout] test src/tcp_client/client_async.rs - tcp_client::client_async::TcpClient (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/tcp_server/server_async/mod.rs - tcp_server::server_async::TcpServer (line 14) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Io(Os { code: 98, kind: AddrInUse, message: "Address already in use" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/tcp_server/server_async/mod.rs - tcp_server::server_async::TcpServer (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "68bd2371650c305b022fbfeafe937411f46d4deb80c0240d325d337d708adc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68bd2371650c305b022fbfeafe937411f46d4deb80c0240d325d337d708adc1f", kill_on_drop: false }`
[INFO] [stdout] 68bd2371650c305b022fbfeafe937411f46d4deb80c0240d325d337d708adc1f