[INFO] fetching crate mcp4728 0.2.0...
[INFO] testing mcp4728-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mcp4728 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mcp4728 0.2.0
[INFO] finished tweaking crates.io crate mcp4728 0.2.0
[INFO] tweaked toml for crates.io crate mcp4728 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp4728 0.2.0 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] crate crates.io crate mcp4728 0.2.0 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-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] bbc7c51a78ece86f31baf10f94afef2709ff43d7ea0203465482590f5dc5e29c
[INFO] running `Command { std: "docker" "start" "-a" "bbc7c51a78ece86f31baf10f94afef2709ff43d7ea0203465482590f5dc5e29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbc7c51a78ece86f31baf10f94afef2709ff43d7ea0203465482590f5dc5e29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc7c51a78ece86f31baf10f94afef2709ff43d7ea0203465482590f5dc5e29c", kill_on_drop: false }`
[INFO] [stdout] bbc7c51a78ece86f31baf10f94afef2709ff43d7ea0203465482590f5dc5e29c
[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] d252ca84ebbdc3d04c378ce0ebd5e153a0f95b98f5bafbbf9918d10a3205a6ef
[INFO] running `Command { std: "docker" "start" "-a" "d252ca84ebbdc3d04c378ce0ebd5e153a0f95b98f5bafbbf9918d10a3205a6ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling num_enum v0.7.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling maybe-async-cfg v0.2.1
[INFO] [stderr]    Compiling mcp4728 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.31s
[INFO] running `Command { std: "docker" "inspect" "d252ca84ebbdc3d04c378ce0ebd5e153a0f95b98f5bafbbf9918d10a3205a6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d252ca84ebbdc3d04c378ce0ebd5e153a0f95b98f5bafbbf9918d10a3205a6ef", kill_on_drop: false }`
[INFO] [stdout] d252ca84ebbdc3d04c378ce0ebd5e153a0f95b98f5bafbbf9918d10a3205a6ef
[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] 6744b20833f691876d268fc51b4c64211312dbe811438b41814f5fd806cc527f
[INFO] running `Command { std: "docker" "start" "-a" "6744b20833f691876d268fc51b4c64211312dbe811438b41814f5fd806cc527f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling embedded-hal-mock v0.11.1
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling maybe-async-cfg v0.2.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling gpio-cdev v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling num_enum v0.7.3
[INFO] [stderr]    Compiling mcp4728 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling unescaper v0.1.4
[INFO] [stderr]    Compiling sysfs_gpio v0.6.1
[INFO] [stderr]    Compiling i2cdev v0.6.0
[INFO] [stderr]    Compiling spidev v0.6.0
[INFO] [stderr]    Compiling serialport v4.3.0
[INFO] [stderr]    Compiling linux-embedded-hal v0.4.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.64s
[INFO] running `Command { std: "docker" "inspect" "6744b20833f691876d268fc51b4c64211312dbe811438b41814f5fd806cc527f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6744b20833f691876d268fc51b4c64211312dbe811438b41814f5fd806cc527f", kill_on_drop: false }`
[INFO] [stdout] 6744b20833f691876d268fc51b4c64211312dbe811438b41814f5fd806cc527f
[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] 35fa4ed486e177321cf17bfb6950b614e46a17d4ad5579edd99cd2a8f9d0e2c7
[INFO] running `Command { std: "docker" "start" "-a" "35fa4ed486e177321cf17bfb6950b614e46a17d4ad5579edd99cd2a8f9d0e2c7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp4728-b0715281f2f4e66e)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests_sync::fast_write_i2c_error ... ok
[INFO] [stdout] test tests_sync::fast_write ... ok
[INFO] [stdout] test tests_sync::fast_write_with_power_down_mode ... ok
[INFO] [stdout] test tests_sync::sequential_write_multiple_values ... ok
[INFO] [stdout] test tests_sync::sequential_write_too_many_values ... ok
[INFO] [stdout] test tests_sync::read_fuzz ... ok
[INFO] [stdout] test tests_sync::single_write_default_values ... ok
[INFO] [stdout] test tests_sync::single_write_out_of_bounds_error ... ok
[INFO] [stdout] test tests_sync::single_write_set_all_values ... ok
[INFO] [stdout] test tests_sync::write_gain_mode ... ok
[INFO] [stdout] test tests_sync::multi_write_multiple_values ... ok
[INFO] [stdout] test tests_sync::fast_write_out_of_bounds_error ... ok
[INFO] [stdout] test tests_sync::multi_write_set_all_values ... ok
[INFO] [stdout] test tests_sync::read ... ok
[INFO] [stderr]    Doc-tests mcp4728
[INFO] [stdout] test tests_sync::write_power_down_mode ... ok
[INFO] [stdout] test tests_sync::write_voltage_reference_mode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 48) - compile ... ok
[INFO] [stdout] test src/lib.rs - MCP4728<I>::fast_write_with_power_down_mode (line 276) - compile ... ok
[INFO] [stdout] test src/lib.rs - MCP4728<I>::fast_write (line 228) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35fa4ed486e177321cf17bfb6950b614e46a17d4ad5579edd99cd2a8f9d0e2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fa4ed486e177321cf17bfb6950b614e46a17d4ad5579edd99cd2a8f9d0e2c7", kill_on_drop: false }`
[INFO] [stdout] 35fa4ed486e177321cf17bfb6950b614e46a17d4ad5579edd99cd2a8f9d0e2c7