[INFO] fetching crate lc709203 0.3.0... [INFO] testing lc709203-0.3.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate lc709203 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate lc709203 0.3.0 [INFO] finished tweaking crates.io crate lc709203 0.3.0 [INFO] tweaked toml for crates.io crate lc709203 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lc709203 0.3.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate lc709203 0.3.0 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 421d3b22424846f393e499e0626c0da79b6a821e2bd10ce21f328ea6ef2044f0 [INFO] running `Command { std: "docker" "start" "-a" "421d3b22424846f393e499e0626c0da79b6a821e2bd10ce21f328ea6ef2044f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "421d3b22424846f393e499e0626c0da79b6a821e2bd10ce21f328ea6ef2044f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "421d3b22424846f393e499e0626c0da79b6a821e2bd10ce21f328ea6ef2044f0", kill_on_drop: false }` [INFO] [stdout] 421d3b22424846f393e499e0626c0da79b6a821e2bd10ce21f328ea6ef2044f0 [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=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6be017facf0c59df81f5fd5c30a5c16b097be0b3972decc3de293be6bb8a4b9b [INFO] running `Command { std: "docker" "start" "-a" "6be017facf0c59df81f5fd5c30a5c16b097be0b3972decc3de293be6bb8a4b9b", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling lc709203 v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "6be017facf0c59df81f5fd5c30a5c16b097be0b3972decc3de293be6bb8a4b9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6be017facf0c59df81f5fd5c30a5c16b097be0b3972decc3de293be6bb8a4b9b", kill_on_drop: false }` [INFO] [stdout] 6be017facf0c59df81f5fd5c30a5c16b097be0b3972decc3de293be6bb8a4b9b [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=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e84ac0df632e444af06705311a83646e2b0c644234408f7eb64c054689a912d4 [INFO] running `Command { std: "docker" "start" "-a" "e84ac0df632e444af06705311a83646e2b0c644234408f7eb64c054689a912d4", kill_on_drop: false }` [INFO] [stderr] Compiling lc709203 v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "e84ac0df632e444af06705311a83646e2b0c644234408f7eb64c054689a912d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e84ac0df632e444af06705311a83646e2b0c644234408f7eb64c054689a912d4", kill_on_drop: false }` [INFO] [stdout] e84ac0df632e444af06705311a83646e2b0c644234408f7eb64c054689a912d4 [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=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8f4f3b5a40b7a39f539deba88e387a52efe01e8f20c0dc4ccb362c8eb176567a [INFO] running `Command { std: "docker" "start" "-a" "8f4f3b5a40b7a39f539deba88e387a52efe01e8f20c0dc4ccb362c8eb176567a", kill_on_drop: false }` [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] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lc709203-06c50020eb681ab9) [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 = I2C::new(); [INFO] [stdout] 7 + let i2c = lc709203::TemperatureMode::new(); [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] 4 | 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: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box> { [INFO] [stdout] 5 | // some concrete type implementing I2C access, i.e. the embedded_hal::blocking::i2c::WriteRead [INFO] [stdout] ... [INFO] [stdout] 13 | let battery_voltage = lc709203.cell_voltage_v(&mut i2c)?; [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] 4 | 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)?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box> { [INFO] [stdout] 5 | // some concrete type implementing I2C access, i.e. the embedded_hal::blocking::i2c::WriteRead [INFO] [stdout] ... [INFO] [stdout] 13 | let battery_voltage = lc709203.cell_voltage_v(&mut i2c)?; [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 0.12s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "8f4f3b5a40b7a39f539deba88e387a52efe01e8f20c0dc4ccb362c8eb176567a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f4f3b5a40b7a39f539deba88e387a52efe01e8f20c0dc4ccb362c8eb176567a", kill_on_drop: false }` [INFO] [stdout] 8f4f3b5a40b7a39f539deba88e387a52efe01e8f20c0dc4ccb362c8eb176567a