[INFO] fetching crate lc709203 0.3.0... [INFO] testing lc709203-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate lc709203 0.3.0 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate lc709203 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec5f231ca0982bfe3d5ce1f9021e8140eacfa4b56a99e29cd9e9920f15e72816 [INFO] running `Command { std: "docker" "start" "-a" "ec5f231ca0982bfe3d5ce1f9021e8140eacfa4b56a99e29cd9e9920f15e72816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec5f231ca0982bfe3d5ce1f9021e8140eacfa4b56a99e29cd9e9920f15e72816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec5f231ca0982bfe3d5ce1f9021e8140eacfa4b56a99e29cd9e9920f15e72816", kill_on_drop: false }` [INFO] [stdout] ec5f231ca0982bfe3d5ce1f9021e8140eacfa4b56a99e29cd9e9920f15e72816 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3ae116742168c627eee6c34a89dbbba0ecef12d8d0fefcfcaf4a0bb9a47c5c7 [INFO] running `Command { std: "docker" "start" "-a" "a3ae116742168c627eee6c34a89dbbba0ecef12d8d0fefcfcaf4a0bb9a47c5c7", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling embedded-hal v1.0.0 [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" "a3ae116742168c627eee6c34a89dbbba0ecef12d8d0fefcfcaf4a0bb9a47c5c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3ae116742168c627eee6c34a89dbbba0ecef12d8d0fefcfcaf4a0bb9a47c5c7", kill_on_drop: false }` [INFO] [stdout] a3ae116742168c627eee6c34a89dbbba0ecef12d8d0fefcfcaf4a0bb9a47c5c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ad1ee5a6d819d1912883c405ec9d9083c76252b510b0fe2613ec96c2c2845f6 [INFO] running `Command { std: "docker" "start" "-a" "7ad1ee5a6d819d1912883c405ec9d9083c76252b510b0fe2613ec96c2c2845f6", kill_on_drop: false }` [INFO] [stderr] Compiling lc709203 v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "7ad1ee5a6d819d1912883c405ec9d9083c76252b510b0fe2613ec96c2c2845f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ad1ee5a6d819d1912883c405ec9d9083c76252b510b0fe2613ec96c2c2845f6", kill_on_drop: false }` [INFO] [stdout] 7ad1ee5a6d819d1912883c405ec9d9083c76252b510b0fe2613ec96c2c2845f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5a520ef28e6314075b2285d6f7eef2834346ad68333f11fb829eb21347f746da [INFO] running `Command { std: "docker" "start" "-a" "5a520ef28e6314075b2285d6f7eef2834346ad68333f11fb829eb21347f746da", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lc709203-06c50020eb681ab9) [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:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | 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] 11 - let i2c = I2C::new(); [INFO] [stdout] 11 + 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] 8 | 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] 16 | .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] 8 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box> { [INFO] [stdout] 9 | // some concrete type implementing I2C access, i.e. the embedded_hal::blocking::i2c::WriteRead [INFO] [stdout] ... [INFO] [stdout] 17 | let battery_voltage = lc709203.cell_voltage_v(&mut i2c)?; [INFO] [stdout] 18 + 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] 8 | 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] 17 | 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] 8 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box> { [INFO] [stdout] 9 | // some concrete type implementing I2C access, i.e. the embedded_hal::blocking::i2c::WriteRead [INFO] [stdout] ... [INFO] [stdout] 17 | let battery_voltage = lc709203.cell_voltage_v(&mut i2c)?; [INFO] [stdout] 18 + 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 0.19s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "5a520ef28e6314075b2285d6f7eef2834346ad68333f11fb829eb21347f746da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a520ef28e6314075b2285d6f7eef2834346ad68333f11fb829eb21347f746da", kill_on_drop: false }` [INFO] [stdout] 5a520ef28e6314075b2285d6f7eef2834346ad68333f11fb829eb21347f746da