[INFO] fetching crate ev3robot 0.3.1...
[INFO] testing ev3robot-0.3.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ev3robot 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ev3robot 0.3.1
[INFO] finished tweaking crates.io crate ev3robot 0.3.1
[INFO] tweaked toml for crates.io crate ev3robot 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ev3robot 0.3.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.10.0)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdac5e312a205f1a03af94cc4e7154dc3995f294e05755143b42e2079d0f4af9
[INFO] running `Command { std: "docker" "start" "-a" "fdac5e312a205f1a03af94cc4e7154dc3995f294e05755143b42e2079d0f4af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdac5e312a205f1a03af94cc4e7154dc3995f294e05755143b42e2079d0f4af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdac5e312a205f1a03af94cc4e7154dc3995f294e05755143b42e2079d0f4af9", kill_on_drop: false }`
[INFO] [stdout] fdac5e312a205f1a03af94cc4e7154dc3995f294e05755143b42e2079d0f4af9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d9d29bc343c31f5d92a59d5a44d51e6d80b66c0f99e5499321d542b87ca2cf7
[INFO] running `Command { std: "docker" "start" "-a" "3d9d29bc343c31f5d92a59d5a44d51e6d80b66c0f99e5499321d542b87ca2cf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling ev3robot_macros v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ev3robot v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/motor/bunch.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn is_running(&mut self) -> anyhow::Result<bool> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail
[INFO] [stdout]   --> src/motor/bunch.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         self.exec(|it| it.is_running().map(|b| is_running |= b))?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 48 |         self.exec::<_, (), _>(|it| it.is_running().map(|b| is_running |= b))?;
[INFO] [stdout]    |                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/motor/bunch.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn is_holding(&mut self) -> anyhow::Result<bool> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail
[INFO] [stdout]   --> src/motor/bunch.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.exec(|it| it.is_holding().map(|b| is_holding |= b))?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.exec::<_, (), _>(|it| it.is_holding().map(|b| is_holding |= b))?;
[INFO] [stdout]    |                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ev3/sensors/color_sensor.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 19 |     ) -> anyhow::Result<ReflectedLightMeter> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ) -> anyhow::Result<ReflectedLightMeter<'_>> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ev3/sensors/color_sensor.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 26 |     ) -> anyhow::Result<AmbientLightMeter> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ) -> anyhow::Result<AmbientLightMeter<'_>> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ev3/sensors/color_sensor.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn measure_color(&mut self) -> anyhow::Result<ColorMeter> {
[INFO] [stdout]    |                          ^^^^^^^^^                    ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn measure_color(&mut self) -> anyhow::Result<ColorMeter<'_>> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ev3/sensors/ultrasonic_sensor.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn measure_cm(&mut self) -> anyhow::Result<CmMeter> {
[INFO] [stdout]    |                       ^^^^^^^^^                    ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn measure_cm(&mut self) -> anyhow::Result<CmMeter<'_>> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ev3/sensors/ultrasonic_sensor.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn measure_inches(&mut self) -> anyhow::Result<InchMeter> {
[INFO] [stdout]    |                           ^^^^^^^^^                    ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn measure_inches(&mut self) -> anyhow::Result<InchMeter<'_>> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ev3/sensors/ultrasonic_sensor.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn listen(&mut self) -> anyhow::Result<UltrasoundListener> {
[INFO] [stdout]    |                   ^^^^^^^^^                    ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn listen(&mut self) -> anyhow::Result<UltrasoundListener<'_>> {
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ev3robot` (lib) due to 4 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3d9d29bc343c31f5d92a59d5a44d51e6d80b66c0f99e5499321d542b87ca2cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9d29bc343c31f5d92a59d5a44d51e6d80b66c0f99e5499321d542b87ca2cf7", kill_on_drop: false }`
[INFO] [stdout] 3d9d29bc343c31f5d92a59d5a44d51e6d80b66c0f99e5499321d542b87ca2cf7
