[INFO] cloning repository https://github.com/mligor/smarthome-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mligor/smarthome-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmligor%2Fsmarthome-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmligor%2Fsmarthome-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a89ffb5fdce9a24294b3a6037a02d426a0d51c0
[INFO] checking mligor/smarthome-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmligor%2Fsmarthome-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mligor/smarthome-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mligor/smarthome-rs
[INFO] finished tweaking git repo https://github.com/mligor/smarthome-rs
[INFO] tweaked toml for git repo https://github.com/mligor/smarthome-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mligor/smarthome-rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/mligor/esphome-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v1.0.0
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.27.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 380c69bedf1eb66f21bac3467a84c6b8ca761573fdb7cba96d51034abb7c6e84
[INFO] running `Command { std: "docker" "start" "-a" "380c69bedf1eb66f21bac3467a84c6b8ca761573fdb7cba96d51034abb7c6e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "380c69bedf1eb66f21bac3467a84c6b8ca761573fdb7cba96d51034abb7c6e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380c69bedf1eb66f21bac3467a84c6b8ca761573fdb7cba96d51034abb7c6e84", kill_on_drop: false }`
[INFO] [stdout] 380c69bedf1eb66f21bac3467a84c6b8ca761573fdb7cba96d51034abb7c6e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d510855b8850b7bfee3ac9d6d71464fa7ca2fb1c8e37317177dc597dbfeb63e3
[INFO] running `Command { std: "docker" "start" "-a" "d510855b8850b7bfee3ac9d6d71464fa7ca2fb1c8e37317177dc597dbfeb63e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking uuid v1.0.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling protobuf-codegen v2.27.1
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.27.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling esphome v0.1.0 (https://github.com/mligor/esphome-rs#45470fad)
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking rhome v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `stop` is never used
[INFO] [stdout]   --> src/device.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub(crate) trait Device: Send + EventHandler {
[INFO] [stdout]    |                  ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn stop(&mut self) {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stop` is never used
[INFO] [stdout]   --> src/device.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub(crate) trait Device: Send + EventHandler {
[INFO] [stdout]    |                  ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn stop(&mut self) {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.46s
[INFO] running `Command { std: "docker" "inspect" "d510855b8850b7bfee3ac9d6d71464fa7ca2fb1c8e37317177dc597dbfeb63e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d510855b8850b7bfee3ac9d6d71464fa7ca2fb1c8e37317177dc597dbfeb63e3", kill_on_drop: false }`
[INFO] [stdout] d510855b8850b7bfee3ac9d6d71464fa7ca2fb1c8e37317177dc597dbfeb63e3
[INFO] checking mligor/smarthome-rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmligor%2Fsmarthome-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mligor/smarthome-rs on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mligor/smarthome-rs
[INFO] finished tweaking git repo https://github.com/mligor/smarthome-rs
[INFO] tweaked toml for git repo https://github.com/mligor/smarthome-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mligor/smarthome-rs 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d407209286c8d18cf6fab01eafa8bc17073996e3aea7a8937b079c0faf43fc8b
[INFO] running `Command { std: "docker" "start" "-a" "d407209286c8d18cf6fab01eafa8bc17073996e3aea7a8937b079c0faf43fc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d407209286c8d18cf6fab01eafa8bc17073996e3aea7a8937b079c0faf43fc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d407209286c8d18cf6fab01eafa8bc17073996e3aea7a8937b079c0faf43fc8b", kill_on_drop: false }`
[INFO] [stdout] d407209286c8d18cf6fab01eafa8bc17073996e3aea7a8937b079c0faf43fc8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ae12baaf3e1f63b8bcce957aaaf63191b790119c915716c4889942054a3aed
[INFO] running `Command { std: "docker" "start" "-a" "84ae12baaf3e1f63b8bcce957aaaf63191b790119c915716c4889942054a3aed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking uuid v1.0.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling protobuf-codegen v2.27.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.27.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling esphome v0.1.0 (https://github.com/mligor/esphome-rs#45470fad)
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking rhome v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `stop` is never used
[INFO] [stdout]   --> src/device.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub(crate) trait Device: Send + EventHandler {
[INFO] [stdout]    |                  ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn stop(&mut self) {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stop` is never used
[INFO] [stdout]   --> src/device.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub(crate) trait Device: Send + EventHandler {
[INFO] [stdout]    |                  ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn stop(&mut self) {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.79s
[INFO] running `Command { std: "docker" "inspect" "84ae12baaf3e1f63b8bcce957aaaf63191b790119c915716c4889942054a3aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ae12baaf3e1f63b8bcce957aaaf63191b790119c915716c4889942054a3aed", kill_on_drop: false }`
[INFO] [stdout] 84ae12baaf3e1f63b8bcce957aaaf63191b790119c915716c4889942054a3aed