[INFO] fetching crate lc709203 0.2.1... [INFO] testing lc709203-0.2.1 against 1.60.0 for beta-1.61-1 [INFO] extracting crate lc709203 0.2.1 into /workspace/builds/worker-18/source [INFO] validating manifest of crates.io crate lc709203 0.2.1 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-18/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6d1aee8c1798bde737f35768db7bee74c8931b17fa56f55499f495a605f065d [INFO] running `Command { std: "docker" "start" "-a" "a6d1aee8c1798bde737f35768db7bee74c8931b17fa56f55499f495a605f065d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6d1aee8c1798bde737f35768db7bee74c8931b17fa56f55499f495a605f065d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6d1aee8c1798bde737f35768db7bee74c8931b17fa56f55499f495a605f065d", kill_on_drop: false }` [INFO] [stdout] a6d1aee8c1798bde737f35768db7bee74c8931b17fa56f55499f495a605f065d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88e388b2c947cba8bdbdcc7880c0872d2b32cfd1ae86ca9d89361e89fd47880a [INFO] running `Command { std: "docker" "start" "-a" "88e388b2c947cba8bdbdcc7880c0872d2b32cfd1ae86ca9d89361e89fd47880a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling void v1.0.2 [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 [unoptimized + debuginfo] target(s) in 2.96s [INFO] running `Command { std: "docker" "inspect" "88e388b2c947cba8bdbdcc7880c0872d2b32cfd1ae86ca9d89361e89fd47880a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88e388b2c947cba8bdbdcc7880c0872d2b32cfd1ae86ca9d89361e89fd47880a", kill_on_drop: false }` [INFO] [stdout] 88e388b2c947cba8bdbdcc7880c0872d2b32cfd1ae86ca9d89361e89fd47880a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c64fb6a6a80ec1d62a7c8f312c8fe9bb1b2dd7bda92aeb45c3e6dd5872f65f36 [INFO] running `Command { std: "docker" "start" "-a" "c64fb6a6a80ec1d62a7c8f312c8fe9bb1b2dd7bda92aeb45c3e6dd5872f65f36", kill_on_drop: false }` [INFO] [stderr] Compiling lc709203 v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "c64fb6a6a80ec1d62a7c8f312c8fe9bb1b2dd7bda92aeb45c3e6dd5872f65f36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c64fb6a6a80ec1d62a7c8f312c8fe9bb1b2dd7bda92aeb45c3e6dd5872f65f36", kill_on_drop: false }` [INFO] [stdout] c64fb6a6a80ec1d62a7c8f312c8fe9bb1b2dd7bda92aeb45c3e6dd5872f65f36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ef8cb1b7bde0129714a423d1bff5cafeed279c117b7616a4c798091e43e19de5 [INFO] running `Command { std: "docker" "start" "-a" "ef8cb1b7bde0129714a423d1bff5cafeed279c117b7616a4c798091e43e19de5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lc709203-da270d9af8a56457) [INFO] [stderr] Doc-tests lc709203 [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] [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:10:11 [INFO] [stdout] | [INFO] [stdout] 6 | let i2c = I2C::new(); [INFO] [stdout] | ^^^ use of undeclared type `I2C` [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:15:21 [INFO] [stdout] | [INFO] [stdout] 5 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 6 | | let i2c = I2C::new(); [INFO] [stdout] 7 | | [INFO] [stdout] 8 | | // create a builder [INFO] [stdout] ... | [INFO] [stdout] 11 | | .build(&mut i2c)?; // initialize the lc709203 chip [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 12 | | let battery_voltage = lc709203.cell_voltage_v(&mut i2c)?; // query current battery voltage [INFO] [stdout] 13 | | } _doctest_main_src_lib_rs_7_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>>` is not implemented for `()` [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:16:56 [INFO] [stdout] | [INFO] [stdout] 5 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 6 | | let i2c = I2C::new(); [INFO] [stdout] 7 | | [INFO] [stdout] 8 | | // create a builder [INFO] [stdout] ... | [INFO] [stdout] 12 | | 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] 13 | | } _doctest_main_src_lib_rs_7_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>>` is not implemented for `()` [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 0.10s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "ef8cb1b7bde0129714a423d1bff5cafeed279c117b7616a4c798091e43e19de5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef8cb1b7bde0129714a423d1bff5cafeed279c117b7616a4c798091e43e19de5", kill_on_drop: false }` [INFO] [stdout] ef8cb1b7bde0129714a423d1bff5cafeed279c117b7616a4c798091e43e19de5