[INFO] cloning repository https://github.com/DanielWarloch/Thermostat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanielWarloch/Thermostat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielWarloch%2FThermostat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielWarloch%2FThermostat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e657717517acbfa0a2aa5cc67c04c4b1c1c39a82
[INFO] checking DanielWarloch/Thermostat against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielWarloch%2FThermostat" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DanielWarloch/Thermostat
[INFO] finished tweaking git repo https://github.com/DanielWarloch/Thermostat
[INFO] tweaked toml for git repo https://github.com/DanielWarloch/Thermostat written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DanielWarloch/Thermostat on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DanielWarloch/Thermostat 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 016f52fe7ede788eec56a3b08b97584e7e1fdd8102824a939e1c4db952ed38a6
[INFO] running `Command { std: "docker" "start" "016f52fe7ede788eec56a3b08b97584e7e1fdd8102824a939e1c4db952ed38a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "016f52fe7ede788eec56a3b08b97584e7e1fdd8102824a939e1c4db952ed38a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "016f52fe7ede788eec56a3b08b97584e7e1fdd8102824a939e1c4db952ed38a6" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "016f52fe7ede788eec56a3b08b97584e7e1fdd8102824a939e1c4db952ed38a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "016f52fe7ede788eec56a3b08b97584e7e1fdd8102824a939e1c4db952ed38a6" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking thermostat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/dbus_server.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cell::RefCell;
[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: `std::process::Command`
[INFO] [stdout]   --> src/dbus_server.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::process::Command;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/dbus_server.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 |         if(value <= self.max_temp){
[INFO] [stdout]    |           ^                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -         if(value <= self.max_temp){
[INFO] [stdout] 44 +         if value <= self.max_temp {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/dbus_server.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 |         if(value >= self.min_temp){
[INFO] [stdout]    |           ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -         if(value >= self.min_temp){
[INFO] [stdout] 59 +         if value >= self.min_temp {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `measurements`
[INFO] [stdout]    --> src/dbus_server.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let measurements = match self.sensor.measure() {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_measurements`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     let mut thermostat = Thermostat{
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |     let mut bme_280 = EnvSensor{
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |     let mut ventilation = Ventilation{
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |     let mut heating = Heating{
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:381:9
[INFO] [stdout]     |
[INFO] [stdout] 381 |     let mut cooling = Cooling{
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |     let mut lights = Lights{
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let mut error = false;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ventilation` is never read
[INFO] [stdout]   --> src/dbus_server.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Thermostat {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     ventilation: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     dbus_server::run();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let _ = dbus_server::run();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dbus_server.rs:363:5
[INFO] [stdout]     |
[INFO] [stdout] 363 |     _sensor.init();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 363 |     let _ = _sensor.init();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/dbus_server.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cell::RefCell;
[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: `std::process::Command`
[INFO] [stdout]   --> src/dbus_server.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::process::Command;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/dbus_server.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 |         if(value <= self.max_temp){
[INFO] [stdout]    |           ^                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -         if(value <= self.max_temp){
[INFO] [stdout] 44 +         if value <= self.max_temp {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/dbus_server.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 |         if(value >= self.min_temp){
[INFO] [stdout]    |           ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -         if(value >= self.min_temp){
[INFO] [stdout] 59 +         if value >= self.min_temp {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `measurements`
[INFO] [stdout]    --> src/dbus_server.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let measurements = match self.sensor.measure() {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_measurements`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     let mut thermostat = Thermostat{
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |     let mut bme_280 = EnvSensor{
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |     let mut ventilation = Ventilation{
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |     let mut heating = Heating{
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:381:9
[INFO] [stdout]     |
[INFO] [stdout] 381 |     let mut cooling = Cooling{
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_server.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |     let mut lights = Lights{
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let mut error = false;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ventilation` is never read
[INFO] [stdout]   --> src/dbus_server.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Thermostat {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     ventilation: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     dbus_server::run();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let _ = dbus_server::run();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dbus_server.rs:363:5
[INFO] [stdout]     |
[INFO] [stdout] 363 |     _sensor.init();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 363 |     let _ = _sensor.init();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.68s
[INFO] running `Command { std: "docker" "inspect" "016f52fe7ede788eec56a3b08b97584e7e1fdd8102824a939e1c4db952ed38a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016f52fe7ede788eec56a3b08b97584e7e1fdd8102824a939e1c4db952ed38a6", kill_on_drop: false }`
[INFO] [stdout] 016f52fe7ede788eec56a3b08b97584e7e1fdd8102824a939e1c4db952ed38a6
