[INFO] fetching crate zerust 1.0.4...
[INFO] testing zerust-1.0.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate zerust 1.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zerust 1.0.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zerust 1.0.4
[INFO] tweaked toml for crates.io crate zerust 1.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zerust 1.0.4 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zerust 1.0.4 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a94f846cc81d7162bb4c235e96d5064911a0d40f19089ff894795dbe688fb88b
[INFO] running `Command { std: "docker" "start" "-a" "a94f846cc81d7162bb4c235e96d5064911a0d40f19089ff894795dbe688fb88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a94f846cc81d7162bb4c235e96d5064911a0d40f19089ff894795dbe688fb88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94f846cc81d7162bb4c235e96d5064911a0d40f19089ff894795dbe688fb88b", kill_on_drop: false }`
[INFO] [stdout] a94f846cc81d7162bb4c235e96d5064911a0d40f19089ff894795dbe688fb88b
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05e5f9d265f90a57b8f2de313e4801f7d22501d2e91d4e1167ece822bf7feb23
[INFO] running `Command { std: "docker" "start" "-a" "05e5f9d265f90a57b8f2de313e4801f7d22501d2e91d4e1167ece822bf7feb23", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling dashmap v7.0.0-rc2
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling zerust v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "05e5f9d265f90a57b8f2de313e4801f7d22501d2e91d4e1167ece822bf7feb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e5f9d265f90a57b8f2de313e4801f7d22501d2e91d4e1167ece822bf7feb23", kill_on_drop: false }`
[INFO] [stdout] 05e5f9d265f90a57b8f2de313e4801f7d22501d2e91d4e1167ece822bf7feb23
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a04a3f0a7a2ea93787a84ec6ac49f0c414fbb84e094be7f89054543b0fddc579
[INFO] running `Command { std: "docker" "start" "-a" "a04a3f0a7a2ea93787a84ec6ac49f0c414fbb84e094be7f89054543b0fddc579", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerust v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]   --> examples/benchmark_server.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 | use tokio::net::{TcpListener, TcpStream};
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg_id`
[INFO] [stdout]    --> examples/benchmark_server.rs:203:22
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let (msg_id, data_len) = match DataPack::unpack_header(&header) {
[INFO] [stdout]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "a04a3f0a7a2ea93787a84ec6ac49f0c414fbb84e094be7f89054543b0fddc579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04a3f0a7a2ea93787a84ec6ac49f0c414fbb84e094be7f89054543b0fddc579", kill_on_drop: false }`
[INFO] [stdout] a04a3f0a7a2ea93787a84ec6ac49f0c414fbb84e094be7f89054543b0fddc579
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd6e5cc4d110a7836aa5957e3c002b39db5ec3ce6d2643ab533c81597de4860f
[INFO] running `Command { std: "docker" "start" "-a" "fd6e5cc4d110a7836aa5957e3c002b39db5ec3ce6d2643ab533c81597de4860f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]   --> examples/benchmark_server.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 | use tokio::net::{TcpListener, TcpStream};
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg_id`
[INFO] [stderr]    --> examples/benchmark_server.rs:203:22
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 let (msg_id, data_len) = match DataPack::unpack_header(&header) {
[INFO] [stderr]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zerust` (example "benchmark_server") generated 2 warnings (run `cargo fix --example "benchmark_server" -p zerust` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zerust-232d898afe755267)
[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 zerust
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/router.rs - router::DefaultRouter::new (line 51) ... 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] [stdout] all doctests ran in 0.29s; merged doctests compilation took 0.28s
[INFO] running `Command { std: "docker" "inspect" "fd6e5cc4d110a7836aa5957e3c002b39db5ec3ce6d2643ab533c81597de4860f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6e5cc4d110a7836aa5957e3c002b39db5ec3ce6d2643ab533c81597de4860f", kill_on_drop: false }`
[INFO] [stdout] fd6e5cc4d110a7836aa5957e3c002b39db5ec3ce6d2643ab533c81597de4860f