[INFO] fetching crate tplinker 0.4.4...
[INFO] building tplinker-0.4.4 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate tplinker 0.4.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tplinker 0.4.4
[INFO] finished tweaking crates.io crate tplinker 0.4.4
[INFO] tweaked toml for crates.io crate tplinker 0.4.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tplinker 0.4.4 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tplinker 0.4.4 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.2
[INFO] [stderr]   Downloaded if-addrs v0.6.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.33
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[INFO] [stderr]   Downloaded serde_derive v1.0.131
[INFO] [stderr]   Downloaded if-addrs-sys v0.3.2
[INFO] [stderr]   Downloaded libc v0.2.111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c25fa4876a29f78dc673359d9918aa5b2141e25cc0b3b018a2e54de1ba9bd94
[INFO] running `Command { std: "docker" "start" "-a" "5c25fa4876a29f78dc673359d9918aa5b2141e25cc0b3b018a2e54de1ba9bd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c25fa4876a29f78dc673359d9918aa5b2141e25cc0b3b018a2e54de1ba9bd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c25fa4876a29f78dc673359d9918aa5b2141e25cc0b3b018a2e54de1ba9bd94", kill_on_drop: false }`
[INFO] [stdout] 5c25fa4876a29f78dc673359d9918aa5b2141e25cc0b3b018a2e54de1ba9bd94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5a8f73a07c197e9d2efd3f8f7927adb4040dc1cb1d4e68a30db0c2612848fbb
[INFO] running `Command { std: "docker" "start" "-a" "d5a8f73a07c197e9d2efd3f8f7927adb4040dc1cb1d4e68a30db0c2612848fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.111
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling if-addrs v0.6.7
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling tplinker v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn switch_on(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:145:14
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn switch_off(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:150:14
[INFO] [stdout]     |
[INFO] [stdout] 150 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 150 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn switch_on(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:170:14
[INFO] [stdout]     |
[INFO] [stdout] 170 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 170 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn switch_off(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:175:14
[INFO] [stdout]     |
[INFO] [stdout] 175 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 175 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tplinker v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d5a8f73a07c197e9d2efd3f8f7927adb4040dc1cb1d4e68a30db0c2612848fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a8f73a07c197e9d2efd3f8f7927adb4040dc1cb1d4e68a30db0c2612848fbb", kill_on_drop: false }`
[INFO] [stdout] d5a8f73a07c197e9d2efd3f8f7927adb4040dc1cb1d4e68a30db0c2612848fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 679623caa444e1fd37c305db0c353892f59122518031af5de1341401364e0290
[INFO] running `Command { std: "docker" "start" "-a" "679623caa444e1fd37c305db0c353892f59122518031af5de1341401364e0290", kill_on_drop: false }`
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn switch_on(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:145:14
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn switch_off(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:150:14
[INFO] [stdout]     |
[INFO] [stdout] 150 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 150 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn switch_on(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:170:14
[INFO] [stdout]     |
[INFO] [stdout] 170 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 170 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn switch_off(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:175:14
[INFO] [stdout]     |
[INFO] [stdout] 175 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 175 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tplinker v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn switch_on(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:145:14
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn switch_off(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:150:14
[INFO] [stdout]     |
[INFO] [stdout] 150 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 150 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn switch_on(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:170:14
[INFO] [stdout]     |
[INFO] [stdout] 170 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 170 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":1}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/devices.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn switch_off(&self) -> Result<()> {
[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 `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/devices.rs:175:14
[INFO] [stdout]     |
[INFO] [stdout] 175 |         self.send(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 175 |         self.send::<()>(&r#"{"smartlife.iot.smartbulb.lightingservice":{"transition_light_state":{"on_off":0}}}"#)?;
[INFO] [stdout]     |                  ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tplinker v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "679623caa444e1fd37c305db0c353892f59122518031af5de1341401364e0290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679623caa444e1fd37c305db0c353892f59122518031af5de1341401364e0290", kill_on_drop: false }`
[INFO] [stdout] 679623caa444e1fd37c305db0c353892f59122518031af5de1341401364e0290
