[INFO] fetching crate kcp-tokio 0.3.4...
[INFO] building kcp-tokio-0.3.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate kcp-tokio 0.3.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate kcp-tokio 0.3.4
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kcp-tokio 0.3.4
[INFO] tweaked toml for crates.io crate kcp-tokio 0.3.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kcp-tokio 0.3.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kcp-tokio 0.3.4 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 203df43f9934643f2ef2fe6b4e6baf52b6fbdd319787100d721f1266fab066f4
[INFO] running `Command { std: "docker" "start" "-a" "203df43f9934643f2ef2fe6b4e6baf52b6fbdd319787100d721f1266fab066f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "203df43f9934643f2ef2fe6b4e6baf52b6fbdd319787100d721f1266fab066f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203df43f9934643f2ef2fe6b4e6baf52b6fbdd319787100d721f1266fab066f4", kill_on_drop: false }`
[INFO] [stdout] 203df43f9934643f2ef2fe6b4e6baf52b6fbdd319787100d721f1266fab066f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6576b9ef9cd0c1e5b30481c267f1d5e77cf1a629373e15cd06370f4f6f70cf3
[INFO] running `Command { std: "docker" "start" "-a" "a6576b9ef9cd0c1e5b30481c267f1d5e77cf1a629373e15cd06370f4f6f70cf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[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 kcp-tokio v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `start_background_tasks_unconnected` is never used
[INFO] [stdout]    --> src/async_kcp/stream.rs:283:14
[INFO] [stdout]     |
[INFO] [stdout]  42 | impl KcpStream {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 283 |     async fn start_background_tasks_unconnected(&mut self) -> Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.21s
[INFO] running `Command { std: "docker" "inspect" "a6576b9ef9cd0c1e5b30481c267f1d5e77cf1a629373e15cd06370f4f6f70cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6576b9ef9cd0c1e5b30481c267f1d5e77cf1a629373e15cd06370f4f6f70cf3", kill_on_drop: false }`
[INFO] [stdout] a6576b9ef9cd0c1e5b30481c267f1d5e77cf1a629373e15cd06370f4f6f70cf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1f6d75daab407484870149a581d10221fed4bd66ec2d26c4baca5c3a14e189a
[INFO] running `Command { std: "docker" "start" "-a" "a1f6d75daab407484870149a581d10221fed4bd66ec2d26c4baca5c3a14e189a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling clap_builder v4.5.42
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling clap v4.5.42
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling kcp-tokio v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stdout] warning: method `start_background_tasks_unconnected` is never used
[INFO] [stdout]    --> src/async_kcp/stream.rs:283:14
[INFO] [stdout]     |
[INFO] [stdout]  42 | impl KcpStream {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 283 |     async fn start_background_tasks_unconnected(&mut self) -> Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: field `connections` is never read
[INFO] [stdout]   --> examples/perf_test_server.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct ServerStats {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 21 |     connections: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ServerStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kcp-tokio` (test "listener_debug")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name listener_debug --edition=2021 tests/listener_debug.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="tokio"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "tokio"))' -C metadata=ed51995ae73e8e7c -C extra-filename=-3900d498ed4ef7db --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-bfe11088fe358bd1.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-b713c37668f850bc.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-a89838db8d3caa8b.rlib --extern kcp_tokio=/opt/rustwide/target/debug/deps/libkcp_tokio-057e1acd3e6d8829.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b3603208c0de2608.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-bedc6e0acd72ff2a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-5561ca2713f8312e.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-14388f606ba4fdc9.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-ae951b17eae177a5.rlib --extern tokio_test=/opt/rustwide/target/debug/deps/libtokio_test-19b82c9f93f7cc99.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-bc3be024491741c6.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-60a187635197d7a4.rlib --extern tracing_futures=/opt/rustwide/target/debug/deps/libtracing_futures-f41c07ccfe442681.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-8f2bc74c1d1b6f7f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kcp-tokio` (test "no_accept_debug")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name no_accept_debug --edition=2021 tests/no_accept_debug.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="tokio"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "tokio"))' -C metadata=fbce31becd67deb9 -C extra-filename=-b17f9e167be99b1c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-bfe11088fe358bd1.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-b713c37668f850bc.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-a89838db8d3caa8b.rlib --extern kcp_tokio=/opt/rustwide/target/debug/deps/libkcp_tokio-057e1acd3e6d8829.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b3603208c0de2608.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-bedc6e0acd72ff2a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-5561ca2713f8312e.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-14388f606ba4fdc9.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-ae951b17eae177a5.rlib --extern tokio_test=/opt/rustwide/target/debug/deps/libtokio_test-19b82c9f93f7cc99.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-bc3be024491741c6.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-60a187635197d7a4.rlib --extern tracing_futures=/opt/rustwide/target/debug/deps/libtracing_futures-f41c07ccfe442681.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-8f2bc74c1d1b6f7f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a1f6d75daab407484870149a581d10221fed4bd66ec2d26c4baca5c3a14e189a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f6d75daab407484870149a581d10221fed4bd66ec2d26c4baca5c3a14e189a", kill_on_drop: false }`
[INFO] [stdout] a1f6d75daab407484870149a581d10221fed4bd66ec2d26c4baca5c3a14e189a