[INFO] fetching crate kcp-tokio 0.3.4...
[INFO] testing kcp-tokio-0.3.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate kcp-tokio 0.3.4 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kcp-tokio 0.3.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded tokio v1.47.1
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[INFO] [stdout] 4c435b023992ca24f95371b3e3ae7da10fe25fdbf1362240a3937d651403e169
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[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 33.80s
[INFO] running `Command { std: "docker" "inspect" "f7d50859c68c36c2a8db1ae09b92e8878ca297d84c4094df0cddc7bc535780c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d50859c68c36c2a8db1ae09b92e8878ca297d84c4094df0cddc7bc535780c8", kill_on_drop: false }`
[INFO] [stdout] f7d50859c68c36c2a8db1ae09b92e8878ca297d84c4094df0cddc7bc535780c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5971082d13712453011b70a36a7c1acbf8f8a4d17c1041fb1bf27df85f6a266
[INFO] running `Command { std: "docker" "start" "-a" "f5971082d13712453011b70a36a7c1acbf8f8a4d17c1041fb1bf27df85f6a266", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.219
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
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[INFO] [stderr]    Compiling tokio-stream v0.1.17
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[INFO] [stderr]    Compiling kcp-tokio v0.3.4 (/opt/rustwide/workdir)
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[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 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] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> tests/simple_echo_debug.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tracing::{debug, info};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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 `test` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "f5971082d13712453011b70a36a7c1acbf8f8a4d17c1041fb1bf27df85f6a266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5971082d13712453011b70a36a7c1acbf8f8a4d17c1041fb1bf27df85f6a266", kill_on_drop: false }`
[INFO] [stdout] f5971082d13712453011b70a36a7c1acbf8f8a4d17c1041fb1bf27df85f6a266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe3328ef9600bbba173db2b461714de659c1a1040fb5cf45987c228f1be0066d
[INFO] running `Command { std: "docker" "start" "-a" "fe3328ef9600bbba173db2b461714de659c1a1040fb5cf45987c228f1be0066d", kill_on_drop: false }`
[INFO] [stderr] warning: method `start_background_tasks_unconnected` is never used
[INFO] [stderr]    --> src/async_kcp/stream.rs:283:14
[INFO] [stderr]     |
[INFO] [stderr]  42 | impl KcpStream {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 283 |     async fn start_background_tasks_unconnected(&mut self) -> Result<()> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kcp-tokio` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]  --> tests/simple_echo_debug.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tracing::{debug, info};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kcp-tokio` (test "simple_echo_debug") generated 1 warning (run `cargo fix --test "simple_echo_debug" -p kcp-tokio` to apply 1 suggestion)
[INFO] [stderr] warning: `kcp-tokio` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: field `connections` is never read
[INFO] [stderr]   --> examples/perf_test_server.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct ServerStats {
[INFO] [stderr]    |        ----------- field in this struct
[INFO] [stderr] 21 |     connections: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ServerStats` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kcp-tokio` (example "perf_test_server") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kcp_tokio-f9c751759af7640b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_version ... ok
[INFO] [stdout] test metrics::tests::test_global_metrics ... ok
[INFO] [stdout] test metrics::tests::test_connection_monitor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_udp_debug.rs (/opt/rustwide/target/debug/deps/basic_udp_debug-2171d5049d4c5dc9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_basic_udp_debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/debug_test.rs (/opt/rustwide/target/debug/deps/debug_test-96e3672f95e87907)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_basic_udp_echo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/echo_test.rs (/opt/rustwide/target/debug/deps/echo_test-729c5182087c4986)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_echo_server_client has been running for over 60 seconds
[INFO] [stdout] test test_multiple_messages has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "fe3328ef9600bbba173db2b461714de659c1a1040fb5cf45987c228f1be0066d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3328ef9600bbba173db2b461714de659c1a1040fb5cf45987c228f1be0066d", kill_on_drop: false }`
[INFO] [stdout] fe3328ef9600bbba173db2b461714de659c1a1040fb5cf45987c228f1be0066d
