[INFO] fetching crate lc709203 0.2.1...
[INFO] testing lc709203-0.2.1 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate lc709203 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate lc709203 0.2.1 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lc709203 0.2.1
[INFO] finished tweaking crates.io crate lc709203 0.2.1
[INFO] tweaked toml for crates.io crate lc709203 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da880a7732f247a9f125b5661a34d0d06e1525e660169318c01e918934c07ba1
[INFO] running `Command { std: "docker" "start" "-a" "da880a7732f247a9f125b5661a34d0d06e1525e660169318c01e918934c07ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da880a7732f247a9f125b5661a34d0d06e1525e660169318c01e918934c07ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da880a7732f247a9f125b5661a34d0d06e1525e660169318c01e918934c07ba1", kill_on_drop: false }`
[INFO] [stdout] da880a7732f247a9f125b5661a34d0d06e1525e660169318c01e918934c07ba1
[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=forbid -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c28c5235121b657233436971ebce41ec6d2a52130c5e0886f2e0b3a7930d06e0
[INFO] running `Command { std: "docker" "start" "-a" "c28c5235121b657233436971ebce41ec6d2a52130c5e0886f2e0b3a7930d06e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling lc709203 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "c28c5235121b657233436971ebce41ec6d2a52130c5e0886f2e0b3a7930d06e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28c5235121b657233436971ebce41ec6d2a52130c5e0886f2e0b3a7930d06e0", kill_on_drop: false }`
[INFO] [stdout] c28c5235121b657233436971ebce41ec6d2a52130c5e0886f2e0b3a7930d06e0
[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=forbid -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d198644410df1c224c06c05a3b1b862a6dc919380f87e0350316b4a9edfe4a4
[INFO] running `Command { std: "docker" "start" "-a" "6d198644410df1c224c06c05a3b1b862a6dc919380f87e0350316b4a9edfe4a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling lc709203 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "6d198644410df1c224c06c05a3b1b862a6dc919380f87e0350316b4a9edfe4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d198644410df1c224c06c05a3b1b862a6dc919380f87e0350316b4a9edfe4a4", kill_on_drop: false }`
[INFO] [stdout] 6d198644410df1c224c06c05a3b1b862a6dc919380f87e0350316b4a9edfe4a4
[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=forbid -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a6514ecdba0cbe7db0cfbd820cfb28e18561ea7a66c2a3c8eac6b7c5608776b
[INFO] running `Command { std: "docker" "start" "-a" "0a6514ecdba0cbe7db0cfbd820cfb28e18561ea7a66c2a3c8eac6b7c5608776b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lc709203-7d92b7a980506fd2)
[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 lc709203
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `I2C`
[INFO] [stdout]  --> src/lib.rs:11:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | let i2c = I2C::new();
[INFO] [stdout]   |           ^^^ use of undeclared type `I2C`
[INFO] [stdout]   |
[INFO] [stdout] help: there is an enum variant `lc709203::TemperatureMode::I2C`; try using the variant's enum
[INFO] [stdout]   |
[INFO] [stdout] 7 | let i2c = lc709203::TemperatureMode();
[INFO] [stdout]   |           ~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 6  | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 12 |     .build(&mut i2c)?; // initialize the lc709203 chip
[INFO] [stdout]    |                     ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, BuildError<_>>>` is not implemented for `()`
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 6  ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 7  | let i2c = I2C::new();
[INFO] [stdout] ...
[INFO] [stdout] 13 | let battery_voltage = lc709203.cell_voltage_v(&mut i2c)?; // query current battery voltage
[INFO] [stdout] 14 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:17:56
[INFO] [stdout]    |
[INFO] [stdout] 6  | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 13 | let battery_voltage = lc709203.cell_voltage_v(&mut i2c)?; // query current battery voltage
[INFO] [stdout]    |                                                        ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, ChipError<_>>>` is not implemented for `()`
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 6  ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 7  | let i2c = I2C::new();
[INFO] [stdout] ...
[INFO] [stdout] 13 | let battery_voltage = lc709203.cell_voltage_v(&mut i2c)?; // query current battery voltage
[INFO] [stdout] 14 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0a6514ecdba0cbe7db0cfbd820cfb28e18561ea7a66c2a3c8eac6b7c5608776b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6514ecdba0cbe7db0cfbd820cfb28e18561ea7a66c2a3c8eac6b7c5608776b", kill_on_drop: false }`
[INFO] [stdout] 0a6514ecdba0cbe7db0cfbd820cfb28e18561ea7a66c2a3c8eac6b7c5608776b
