[INFO] fetching crate embedded-drivers 0.0.2... [INFO] checking embedded-drivers-0.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate embedded-drivers 0.0.2 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate embedded-drivers 0.0.2 [INFO] finished tweaking crates.io crate embedded-drivers 0.0.2 [INFO] tweaked toml for crates.io crate embedded-drivers 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate embedded-drivers 0.0.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding defmt v0.3.100 (available: v1.0.1) [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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6535277f22369b803139ed13cd98d1d5867dfd0bb1e1145ab300b1dc1094ef6 [INFO] running `Command { std: "docker" "start" "-a" "a6535277f22369b803139ed13cd98d1d5867dfd0bb1e1145ab300b1dc1094ef6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6535277f22369b803139ed13cd98d1d5867dfd0bb1e1145ab300b1dc1094ef6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6535277f22369b803139ed13cd98d1d5867dfd0bb1e1145ab300b1dc1094ef6", kill_on_drop: false }` [INFO] [stdout] a6535277f22369b803139ed13cd98d1d5867dfd0bb1e1145ab300b1dc1094ef6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83c4cbee34281695b3d616bf8f472fff1b7425398ebb941b67fd34ff1b521605 [INFO] running `Command { std: "docker" "start" "-a" "83c4cbee34281695b3d616bf8f472fff1b7425398ebb941b67fd34ff1b521605", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking embedded-drivers v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `serde` [INFO] [stdout] --> src/bme280.rs:133:12 [INFO] [stdout] | [INFO] [stdout] 133 | #[cfg_attr(feature = "serde", derive(Serialize))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `defmt` [INFO] [stdout] = help: consider adding `serde` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `serde` [INFO] [stdout] --> src/bme280.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | #[cfg(feature = "serde")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `defmt` [INFO] [stdout] = help: consider adding `serde` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::marker::PhantomData` [INFO] [stdout] --> src/bme280.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use core::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Device` [INFO] [stdout] --> src/onewire/ds18b20.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::Device; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `serde` [INFO] [stdout] --> src/bme280.rs:133:12 [INFO] [stdout] | [INFO] [stdout] 133 | #[cfg_attr(feature = "serde", derive(Serialize))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `defmt` [INFO] [stdout] = help: consider adding `serde` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `serde` [INFO] [stdout] --> src/bme280.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | #[cfg(feature = "serde")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `defmt` [INFO] [stdout] = help: consider adding `serde` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::marker::PhantomData` [INFO] [stdout] --> src/bme280.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use core::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Device` [INFO] [stdout] --> src/onewire/ds18b20.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::Device; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `wire` and `dev` are never read [INFO] [stdout] --> src/onewire/mod.rs:390:5 [INFO] [stdout] | [INFO] [stdout] 389 | pub struct OneWireDevice<'a, P: OneWirePinExt> { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 390 | wire: &'a mut OneWire

, [INFO] [stdout] | ^^^^ [INFO] [stdout] 391 | dev: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `select_device` is never used [INFO] [stdout] --> src/onewire/mod.rs:395:8 [INFO] [stdout] | [INFO] [stdout] 394 | impl OneWireDevice<'_, P> { [INFO] [stdout] | ------------------------------------------- method in this implementation [INFO] [stdout] 395 | fn select_device>(&mut self, delay: &mut D) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/onewire/mod.rs:285:16 [INFO] [stdout] | [INFO] [stdout] 285 | if pin.is_low().unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/onewire/mod.rs:295:16 [INFO] [stdout] | [INFO] [stdout] 295 | if pin.is_high().unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/onewire/mod.rs:361:19 [INFO] [stdout] | [INFO] [stdout] 361 | let val = pin.is_high().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `embedded-drivers` (lib) due to 3 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: fields `wire` and `dev` are never read [INFO] [stdout] --> src/onewire/mod.rs:390:5 [INFO] [stdout] | [INFO] [stdout] 389 | pub struct OneWireDevice<'a, P: OneWirePinExt> { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 390 | wire: &'a mut OneWire

, [INFO] [stdout] | ^^^^ [INFO] [stdout] 391 | dev: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `select_device` is never used [INFO] [stdout] --> src/onewire/mod.rs:395:8 [INFO] [stdout] | [INFO] [stdout] 394 | impl OneWireDevice<'_, P> { [INFO] [stdout] | ------------------------------------------- method in this implementation [INFO] [stdout] 395 | fn select_device>(&mut self, delay: &mut D) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/onewire/mod.rs:285:16 [INFO] [stdout] | [INFO] [stdout] 285 | if pin.is_low().unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/onewire/mod.rs:295:16 [INFO] [stdout] | [INFO] [stdout] 295 | if pin.is_high().unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/onewire/mod.rs:361:19 [INFO] [stdout] | [INFO] [stdout] 361 | let val = pin.is_high().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `embedded-drivers` (lib test) due to 3 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "83c4cbee34281695b3d616bf8f472fff1b7425398ebb941b67fd34ff1b521605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83c4cbee34281695b3d616bf8f472fff1b7425398ebb941b67fd34ff1b521605", kill_on_drop: false }` [INFO] [stdout] 83c4cbee34281695b3d616bf8f472fff1b7425398ebb941b67fd34ff1b521605