[INFO] fetching crate switchy_tcp 0.1.4...
[INFO] testing switchy_tcp-0.1.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate switchy_tcp 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate switchy_tcp 0.1.4
[INFO] finished tweaking crates.io crate switchy_tcp 0.1.4
[INFO] tweaked toml for crates.io crate switchy_tcp 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate switchy_tcp 0.1.4 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate switchy_tcp 0.1.4 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c620ca496bda8b868a6b858a6c3268a78d701d99d087b7304282d9859f9e738
[INFO] running `Command { std: "docker" "start" "-a" "1c620ca496bda8b868a6b858a6c3268a78d701d99d087b7304282d9859f9e738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c620ca496bda8b868a6b858a6c3268a78d701d99d087b7304282d9859f9e738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c620ca496bda8b868a6b858a6c3268a78d701d99d087b7304282d9859f9e738", kill_on_drop: false }`
[INFO] [stdout] 1c620ca496bda8b868a6b858a6c3268a78d701d99d087b7304282d9859f9e738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1360bfd9d793d0c68d97626396d4e192719bbffb4ebcb768b50ccbaa3ed01825
[INFO] running `Command { std: "docker" "start" "-a" "1360bfd9d793d0c68d97626396d4e192719bbffb4ebcb768b50ccbaa3ed01825", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling switchy_time v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling switchy_random v0.1.4
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling switchy_async_macros v0.1.4
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling switchy_async v0.1.4
[INFO] [stderr]    Compiling switchy_tcp v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.29s
[INFO] running `Command { std: "docker" "inspect" "1360bfd9d793d0c68d97626396d4e192719bbffb4ebcb768b50ccbaa3ed01825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1360bfd9d793d0c68d97626396d4e192719bbffb4ebcb768b50ccbaa3ed01825", kill_on_drop: false }`
[INFO] [stdout] 1360bfd9d793d0c68d97626396d4e192719bbffb4ebcb768b50ccbaa3ed01825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761389a4cb3c1361a9f8e63efaf536fdac10b3fdbfcc3c49117424002c48fd75
[INFO] running `Command { std: "docker" "start" "-a" "761389a4cb3c1361a9f8e63efaf536fdac10b3fdbfcc3c49117424002c48fd75", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling sdd v3.0.10
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]    Compiling test-log-macros v0.2.18
[INFO] [stderr]    Compiling switchy_async_macros v0.1.4
[INFO] [stderr]    Compiling switchy_time v0.1.4
[INFO] [stderr]    Compiling switchy_random v0.1.4
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling scc v2.3.4
[INFO] [stderr]    Compiling switchy_async v0.1.4
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling switchy_tcp v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling test-log v0.2.18
[INFO] [stderr]    Compiling serial_test v3.2.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "761389a4cb3c1361a9f8e63efaf536fdac10b3fdbfcc3c49117424002c48fd75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761389a4cb3c1361a9f8e63efaf536fdac10b3fdbfcc3c49117424002c48fd75", kill_on_drop: false }`
[INFO] [stdout] 761389a4cb3c1361a9f8e63efaf536fdac10b3fdbfcc3c49117424002c48fd75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a37d34bc0f44cdaa55ca6bba93721eb27f39ae50ba7aad69aab6bef1eb2a8f7d
[INFO] running `Command { std: "docker" "start" "-a" "a37d34bc0f44cdaa55ca6bba93721eb27f39ae50ba7aad69aab6bef1eb2a8f7d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/switchy_tcp-76fad64466440e44)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test simulator::test::tcp_listener_can_bind ... ok
[INFO] [stdout] test simulator::test::tcp_listener_after_bind_exists_in_tcp_listener ... ok
[INFO] [stdout] test simulator::test::tcp_stream_should_error_if_connection_queue_is_full ... ok
[INFO] [stdout] test simulator::test::tcp_listener_addr_matches_bind_addr ... ok
[INFO] [stdout] test simulator::test::tcp_listener_rx_is_empty_initially ... ok
[INFO] [stdout] test simulator::test::tcp_stream_can_send_message_to_server ... ok
[INFO] [stdout] test simulator::test::tcp_listener_shutdown_removes_from_tcp_listeners ... ok
[INFO] [stdout] test simulator::test::tcp_stream_should_recycle_ephemeral_ports ... ok
[INFO] [stdout] test simulator::test::tcp_stream_can_send_two_messages_to_server ... ok
[INFO] [stdout] test simulator::test::tcp_stream_can_handle_multiple_stream_connections ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests switchy_tcp
[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" "a37d34bc0f44cdaa55ca6bba93721eb27f39ae50ba7aad69aab6bef1eb2a8f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37d34bc0f44cdaa55ca6bba93721eb27f39ae50ba7aad69aab6bef1eb2a8f7d", kill_on_drop: false }`
[INFO] [stdout] a37d34bc0f44cdaa55ca6bba93721eb27f39ae50ba7aad69aab6bef1eb2a8f7d