[INFO] fetching crate mcp4728 0.2.0... [INFO] testing mcp4728-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate mcp4728 0.2.0 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcp4728 0.2.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c197eb0e546341987a12ed32ad1ed733627ab8eb1fbc66b04c8929062a2945dc [INFO] running `Command { std: "docker" "start" "-a" "c197eb0e546341987a12ed32ad1ed733627ab8eb1fbc66b04c8929062a2945dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c197eb0e546341987a12ed32ad1ed733627ab8eb1fbc66b04c8929062a2945dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c197eb0e546341987a12ed32ad1ed733627ab8eb1fbc66b04c8929062a2945dc", kill_on_drop: false }` [INFO] [stdout] c197eb0e546341987a12ed32ad1ed733627ab8eb1fbc66b04c8929062a2945dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca4d40584ab8acd83342ed8111061b295103cd6436b21b0e7e02b96522eeb91f [INFO] running `Command { std: "docker" "start" "-a" "ca4d40584ab8acd83342ed8111061b295103cd6436b21b0e7e02b96522eeb91f", 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 bitflags v2.4.2 [INFO] [stderr] Compiling memchr v2.7.1 [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 9.94s [INFO] running `Command { std: "docker" "inspect" "ca4d40584ab8acd83342ed8111061b295103cd6436b21b0e7e02b96522eeb91f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca4d40584ab8acd83342ed8111061b295103cd6436b21b0e7e02b96522eeb91f", kill_on_drop: false }` [INFO] [stdout] ca4d40584ab8acd83342ed8111061b295103cd6436b21b0e7e02b96522eeb91f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27e749f35ae5daf138d472002154a517830c57477b0eb7f9b60e44854ec7a797 [INFO] running `Command { std: "docker" "start" "-a" "27e749f35ae5daf138d472002154a517830c57477b0eb7f9b60e44854ec7a797", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.169 [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 byteorder v1.4.3 [INFO] [stderr] Compiling embedded-hal-nb v1.0.0 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling pulldown-cmark v0.9.6 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling embedded-hal-mock v0.11.1 [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 unescaper v0.1.4 [INFO] [stderr] Compiling tokio v1.43.0 [INFO] [stderr] Compiling sysfs_gpio v0.6.1 [INFO] [stderr] Compiling i2cdev v0.6.0 [INFO] [stderr] Compiling serialport v4.3.0 [INFO] [stderr] Compiling spidev v0.6.0 [INFO] [stderr] Compiling linux-embedded-hal v0.4.0 [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 16.16s [INFO] running `Command { std: "docker" "inspect" "27e749f35ae5daf138d472002154a517830c57477b0eb7f9b60e44854ec7a797", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27e749f35ae5daf138d472002154a517830c57477b0eb7f9b60e44854ec7a797", kill_on_drop: false }` [INFO] [stdout] 27e749f35ae5daf138d472002154a517830c57477b0eb7f9b60e44854ec7a797 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4cff28fe4ad7f3c50532f4537ac7551fef391c9e3e8f7ec7fd144a6a431a6f55 [INFO] running `Command { std: "docker" "start" "-a" "4cff28fe4ad7f3c50532f4537ac7551fef391c9e3e8f7ec7fd144a6a431a6f55", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [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 ... ok [INFO] [stdout] test tests_sync::fast_write_i2c_error ... ok [INFO] [stdout] test tests_sync::fast_write_out_of_bounds_error ... ok [INFO] [stdout] test tests_sync::fast_write_with_power_down_mode ... ok [INFO] [stdout] test tests_sync::multi_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::read ... ok [INFO] [stdout] test tests_sync::multi_write_set_all_values ... ok [INFO] [stdout] test tests_sync::write_power_down_mode ... ok [INFO] [stdout] test tests_sync::write_gain_mode ... ok [INFO] [stdout] test tests_sync::sequential_write_multiple_values ... ok [INFO] [stdout] test tests_sync::write_voltage_reference_mode ... ok [INFO] [stdout] test tests_sync::single_write_set_all_values ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests mcp4728 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - MCP4728::fast_write (line 228) - compile ... ok [INFO] [stdout] test src/lib.rs - MCP4728::fast_write_with_power_down_mode (line 276) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 48) - 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" "4cff28fe4ad7f3c50532f4537ac7551fef391c9e3e8f7ec7fd144a6a431a6f55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cff28fe4ad7f3c50532f4537ac7551fef391c9e3e8f7ec7fd144a6a431a6f55", kill_on_drop: false }` [INFO] [stdout] 4cff28fe4ad7f3c50532f4537ac7551fef391c9e3e8f7ec7fd144a6a431a6f55