[INFO] fetching crate embedded-drivers 0.0.2...
[INFO] checking embedded-drivers-0.0.2 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate embedded-drivers 0.0.2 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embedded-drivers 0.0.2 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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: v1.1.0)
[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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71e3d083459d05d45c0fdc8b89d1acba72215d37cafbf8c366db9058bafec0fd
[INFO] running `Command { std: "docker" "start" "-a" "71e3d083459d05d45c0fdc8b89d1acba72215d37cafbf8c366db9058bafec0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71e3d083459d05d45c0fdc8b89d1acba72215d37cafbf8c366db9058bafec0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e3d083459d05d45c0fdc8b89d1acba72215d37cafbf8c366db9058bafec0fd", kill_on_drop: false }`
[INFO] [stdout] 71e3d083459d05d45c0fdc8b89d1acba72215d37cafbf8c366db9058bafec0fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd1b7ef84638a55a793533cd267cff00236d6b39163c5d48f7eb6ed98f84497d
[INFO] running `Command { std: "docker" "start" "-a" "dd1b7ef84638a55a793533cd267cff00236d6b39163c5d48f7eb6ed98f84497d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling autocfg v1.5.1
[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]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking embedded-drivers v0.0.2 (/opt/rustwide/workdir)
[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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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] error: struct `OneWireDevice` is never constructed
[INFO] [stdout]    --> src/onewire/mod.rs:389:12
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub struct OneWireDevice<'a, P: OneWirePinExt> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[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<P>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 391 |     dev: Option<Device>,
[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<P: OneWirePinExt> OneWireDevice<'_, P> {
[INFO] [stdout]     | ------------------------------------------- method in this implementation
[INFO] [stdout] 395 |     fn select_device<D: DelayUs<u16>>(&mut self, delay: &mut D) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `OneWireDevice` is never constructed
[INFO] [stdout]    --> src/onewire/mod.rs:389:12
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub struct OneWireDevice<'a, P: OneWirePinExt> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[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<P>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 391 |     dev: Option<Device>,
[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<P: OneWirePinExt> OneWireDevice<'_, P> {
[INFO] [stdout]     | ------------------------------------------- method in this implementation
[INFO] [stdout] 395 |     fn select_device<D: DelayUs<u16>>(&mut self, delay: &mut D) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-drivers` (lib) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `embedded-drivers` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dd1b7ef84638a55a793533cd267cff00236d6b39163c5d48f7eb6ed98f84497d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1b7ef84638a55a793533cd267cff00236d6b39163c5d48f7eb6ed98f84497d", kill_on_drop: false }`
[INFO] [stdout] dd1b7ef84638a55a793533cd267cff00236d6b39163c5d48f7eb6ed98f84497d
