[INFO] fetching crate smoltcp-rmodbus 0.1.0...
[INFO] testing smoltcp-rmodbus-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate smoltcp-rmodbus 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate smoltcp-rmodbus 0.1.0
[INFO] finished tweaking crates.io crate smoltcp-rmodbus 0.1.0
[INFO] tweaked toml for crates.io crate smoltcp-rmodbus 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smoltcp-rmodbus 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding heapless v0.8.0 (available: v0.9.1)
[INFO] [stderr]       Adding rmodbus v0.9.10 (available: v0.12.2)
[INFO] [stderr]       Adding smoltcp v0.10.0 (available: v0.12.0)
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26dfaccabc626c3a58b83475d72ebdb3d5a17e6104c3827c5a3d83591a53307c
[INFO] running `Command { std: "docker" "start" "-a" "26dfaccabc626c3a58b83475d72ebdb3d5a17e6104c3827c5a3d83591a53307c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26dfaccabc626c3a58b83475d72ebdb3d5a17e6104c3827c5a3d83591a53307c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26dfaccabc626c3a58b83475d72ebdb3d5a17e6104c3827c5a3d83591a53307c", kill_on_drop: false }`
[INFO] [stdout] 26dfaccabc626c3a58b83475d72ebdb3d5a17e6104c3827c5a3d83591a53307c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee76e73b78080bab576d8d2c979f7bdd7e624ee6d5b642386e31eb11a27856bd
[INFO] running `Command { std: "docker" "start" "-a" "ee76e73b78080bab576d8d2c979f7bdd7e624ee6d5b642386e31eb11a27856bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling smoltcp v0.10.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling managed v0.8.0
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling rmodbus v0.9.10
[INFO] [stderr]    Compiling smoltcp-rmodbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "ee76e73b78080bab576d8d2c979f7bdd7e624ee6d5b642386e31eb11a27856bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee76e73b78080bab576d8d2c979f7bdd7e624ee6d5b642386e31eb11a27856bd", kill_on_drop: false }`
[INFO] [stdout] ee76e73b78080bab576d8d2c979f7bdd7e624ee6d5b642386e31eb11a27856bd
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6085c0f9adf7d621dd5df5ac3bea25782fcc4e6c8e39f00cd62eb2e3cb63af0f
[INFO] running `Command { std: "docker" "start" "-a" "6085c0f9adf7d621dd5df5ac3bea25782fcc4e6c8e39f00cd62eb2e3cb63af0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling smoltcp-rmodbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "6085c0f9adf7d621dd5df5ac3bea25782fcc4e6c8e39f00cd62eb2e3cb63af0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6085c0f9adf7d621dd5df5ac3bea25782fcc4e6c8e39f00cd62eb2e3cb63af0f", kill_on_drop: false }`
[INFO] [stdout] 6085c0f9adf7d621dd5df5ac3bea25782fcc4e6c8e39f00cd62eb2e3cb63af0f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c46a3ae66fdd398af1f739b0286079e391ab3fc4cbcf6fca0d3c5f35dca520da
[INFO] running `Command { std: "docker" "start" "-a" "c46a3ae66fdd398af1f739b0286079e391ab3fc4cbcf6fca0d3c5f35dca520da", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smoltcp_rmodbus-35d9594c43c4a465)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test server::tests::create_instance ... ok
[INFO] [stdout] test server::tests::buffer_too_small - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smoltcp_rmodbus
[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" "c46a3ae66fdd398af1f739b0286079e391ab3fc4cbcf6fca0d3c5f35dca520da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46a3ae66fdd398af1f739b0286079e391ab3fc4cbcf6fca0d3c5f35dca520da", kill_on_drop: false }`
[INFO] [stdout] c46a3ae66fdd398af1f739b0286079e391ab3fc4cbcf6fca0d3c5f35dca520da