[INFO] fetching crate sx1509 0.2.0...
[INFO] testing sx1509-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sx1509 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate sx1509 0.2.0
[INFO] finished tweaking crates.io crate sx1509 0.2.0
[INFO] tweaked toml for crates.io crate sx1509 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sx1509 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5b5d12c1026f8f3fd0e1bb8f2bfd545ac58ed62bbeab9ef8773961729260d5b
[INFO] running `Command { std: "docker" "start" "-a" "d5b5d12c1026f8f3fd0e1bb8f2bfd545ac58ed62bbeab9ef8773961729260d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5b5d12c1026f8f3fd0e1bb8f2bfd545ac58ed62bbeab9ef8773961729260d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b5d12c1026f8f3fd0e1bb8f2bfd545ac58ed62bbeab9ef8773961729260d5b", kill_on_drop: false }`
[INFO] [stdout] d5b5d12c1026f8f3fd0e1bb8f2bfd545ac58ed62bbeab9ef8773961729260d5b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86c37af7efc6cb024f3694a09ef20158fa6314d70baa5316970cb137f38a93b4
[INFO] running `Command { std: "docker" "start" "-a" "86c37af7efc6cb024f3694a09ef20158fa6314d70baa5316970cb137f38a93b4", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling sx1509 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "86c37af7efc6cb024f3694a09ef20158fa6314d70baa5316970cb137f38a93b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c37af7efc6cb024f3694a09ef20158fa6314d70baa5316970cb137f38a93b4", kill_on_drop: false }`
[INFO] [stdout] 86c37af7efc6cb024f3694a09ef20158fa6314d70baa5316970cb137f38a93b4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c0b9103f48f33daf7f3864e1935ec7d3246d0e99fd4777c2e173fa0ef6959c0
[INFO] running `Command { std: "docker" "start" "-a" "1c0b9103f48f33daf7f3864e1935ec7d3246d0e99fd4777c2e173fa0ef6959c0", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling sx1509 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "1c0b9103f48f33daf7f3864e1935ec7d3246d0e99fd4777c2e173fa0ef6959c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0b9103f48f33daf7f3864e1935ec7d3246d0e99fd4777c2e173fa0ef6959c0", kill_on_drop: false }`
[INFO] [stdout] 1c0b9103f48f33daf7f3864e1935ec7d3246d0e99fd4777c2e173fa0ef6959c0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a1e56aeee0ac2bde1e2a59f9b76db5bfde7b039a412e90ac9d169ba006815ff
[INFO] running `Command { std: "docker" "start" "-a" "8a1e56aeee0ac2bde1e2a59f9b76db5bfde7b039a412e90ac9d169ba006815ff", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sx1509-fe9d7a006fc5dac3)
[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 sx1509
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 36) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 74) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 43) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 58) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 36) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `metro_m0`
[INFO] [stdout]   --> src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | extern crate metro_m0 as hal;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 74) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `expander` in this scope
[INFO] [stdout]   --> src/lib.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | let mut owned = expander.take(i2c);
[INFO] [stdout]    |                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `i2c` in this scope
[INFO] [stdout]   --> src/lib.rs:75:31
[INFO] [stdout]    |
[INFO] [stdout] 75 | let mut owned = expander.take(i2c);
[INFO] [stdout]    |                               ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 43) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `hal` in this scope
[INFO] [stdout]   --> src/lib.rs:44:15
[INFO] [stdout]    |
[INFO] [stdout] 44 | let mut i2c = hal::I2CMaster3::new(
[INFO] [stdout]    |               ^^^ use of unresolved module or unlinked crate `hal`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `hal`, use `cargo add hal` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `clocks` in this scope
[INFO] [stdout]   --> src/lib.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 |     &clocks,
[INFO] [stdout]    |      ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `peripherals` in this scope
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     peripherals.SERCOM3,
[INFO] [stdout]    |     ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `peripherals` in this scope
[INFO] [stdout]   --> src/lib.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |     &mut peripherals.PM,
[INFO] [stdout]    |          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `peripherals` in this scope
[INFO] [stdout]   --> src/lib.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 |     &mut peripherals.GCLK,
[INFO] [stdout]    |          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `pins` in this scope
[INFO] [stdout]   --> src/lib.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Sercom3Pad0::Pa22(pins.pa22.into_function_c(&mut pins.port)),
[INFO] [stdout]    |                       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `pins` in this scope
[INFO] [stdout]   --> src/lib.rs:51:54
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Sercom3Pad0::Pa22(pins.pa22.into_function_c(&mut pins.port)),
[INFO] [stdout]    |                                                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `pins` in this scope
[INFO] [stdout]   --> src/lib.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Sercom3Pad1::Pa23(pins.pa23.into_function_c(&mut pins.port)),
[INFO] [stdout]    |                       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `pins` in this scope
[INFO] [stdout]   --> src/lib.rs:52:54
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Sercom3Pad1::Pa23(pins.pa23.into_function_c(&mut pins.port)),
[INFO] [stdout]    |                                                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `khz` found for type `{integer}` in the current scope
[INFO] [stdout]   --> src/lib.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     400.khz(),
[INFO] [stdout]    |         ^^^ method not found in `{integer}`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Sercom3Pad0` in this scope
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Sercom3Pad0::Pa22(pins.pa22.into_function_c(&mut pins.port)),
[INFO] [stdout]    |     ^^^^^^^^^^^ use of undeclared type `Sercom3Pad0`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Sercom3Pad1` in this scope
[INFO] [stdout]   --> src/lib.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Sercom3Pad1::Pa23(pins.pa23.into_function_c(&mut pins.port)),
[INFO] [stdout]    |     ^^^^^^^^^^^ use of undeclared type `Sercom3Pad1`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 58) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `i2c` in this scope
[INFO] [stdout]   --> src/lib.rs:60:45
[INFO] [stdout]    |
[INFO] [stdout] 60 | let mut expander = sx1509::Sx1509::new(&mut i2c, sx1509::DEFAULT_ADDRESS);
[INFO] [stdout]    |                                             ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `i2c` in this scope
[INFO] [stdout]   --> src/lib.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 | expander.borrow(&mut i2c).software_reset()?;
[INFO] [stdout]    |                      ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `i2c` in this scope
[INFO] [stdout]   --> src/lib.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 | expander.borrow(&mut i2c).set_bank_a_direction(0)?;
[INFO] [stdout]    |                      ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `i2c` in this scope
[INFO] [stdout]   --> src/lib.rs:64:33
[INFO] [stdout]    |
[INFO] [stdout] 64 | let pins = expander.borrow(&mut i2c).get_bank_a_data()?;
[INFO] [stdout]    |                                 ^^^ not found in this scope
[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:61:43
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_58_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 60 | let mut expander = sx1509::Sx1509::new(&mut i2c, sx1509::DEFAULT_ADDRESS);
[INFO] [stdout] 61 | expander.borrow(&mut i2c).software_reset()?;
[INFO] [stdout]    |                                           ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 59 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_58_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 60 | let mut expander = sx1509::Sx1509::new(&mut i2c, sx1509::DEFAULT_ADDRESS);
[INFO] [stdout] ...
[INFO] [stdout] 64 | let pins = expander.borrow(&mut i2c).get_bank_a_data()?;
[INFO] [stdout] 65 +     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:62:50
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_58_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 62 | expander.borrow(&mut i2c).set_bank_a_direction(0)?;
[INFO] [stdout]    |                                                  ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 59 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_58_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 60 | let mut expander = sx1509::Sx1509::new(&mut i2c, sx1509::DEFAULT_ADDRESS);
[INFO] [stdout] ...
[INFO] [stdout] 64 | let pins = expander.borrow(&mut i2c).get_bank_a_data()?;
[INFO] [stdout] 65 +     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:64:55
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_58_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 64 | let pins = expander.borrow(&mut i2c).get_bank_a_data()?;
[INFO] [stdout]    |                                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 59 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_58_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 60 | let mut expander = sx1509::Sx1509::new(&mut i2c, sx1509::DEFAULT_ADDRESS);
[INFO] [stdout] ...
[INFO] [stdout] 64 | let pins = expander.borrow(&mut i2c).get_bank_a_data()?;
[INFO] [stdout] 65 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[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 36)
[INFO] [stdout]     src/lib.rs - (line 43)
[INFO] [stdout]     src/lib.rs - (line 58)
[INFO] [stdout]     src/lib.rs - (line 74)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8a1e56aeee0ac2bde1e2a59f9b76db5bfde7b039a412e90ac9d169ba006815ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1e56aeee0ac2bde1e2a59f9b76db5bfde7b039a412e90ac9d169ba006815ff", kill_on_drop: false }`
[INFO] [stdout] 8a1e56aeee0ac2bde1e2a59f9b76db5bfde7b039a412e90ac9d169ba006815ff
