[INFO] cloning repository https://github.com/janne-alatalo/ruuvitag-collector
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/janne-alatalo/ruuvitag-collector" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanne-alatalo%2Fruuvitag-collector", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanne-alatalo%2Fruuvitag-collector'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53686d73a8f3f4e407c33dcf679868b9a1b005ba
[INFO] checking janne-alatalo/ruuvitag-collector against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanne-alatalo%2Fruuvitag-collector" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/janne-alatalo/ruuvitag-collector on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/janne-alatalo/ruuvitag-collector
[INFO] finished tweaking git repo https://github.com/janne-alatalo/ruuvitag-collector
[INFO] tweaked toml for git repo https://github.com/janne-alatalo/ruuvitag-collector written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/janne-alatalo/ruuvitag-collector already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb33ac60d9b5fc60a9b01ede8860bc1ce96838f49bb0539f6d64d4cc83042c21
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb33ac60d9b5fc60a9b01ede8860bc1ce96838f49bb0539f6d64d4cc83042c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb33ac60d9b5fc60a9b01ede8860bc1ce96838f49bb0539f6d64d4cc83042c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb33ac60d9b5fc60a9b01ede8860bc1ce96838f49bb0539f6d64d4cc83042c21", kill_on_drop: false }`
[INFO] [stdout] eb33ac60d9b5fc60a9b01ede8860bc1ce96838f49bb0539f6d64d4cc83042c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b9d9710fda729baea313873b25f0801b31cdcb8b7537b140c0af26f19bb318
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20b9d9710fda729baea313873b25f0801b31cdcb8b7537b140c0af26f19bb318", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.27
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]     Checking termcolor v0.3.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling libdbus-sys v0.1.2
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking dbus v0.6.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]     Checking env_logger v0.5.3
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking influx_db_client v0.3.6
[INFO] [stderr]     Checking docopt v1.0.0
[INFO] [stderr]     Checking bt-sensor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ruuvitag_df3.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 (0x7F & raw_temp)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ruuvitag_df2.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 (0x7F & u8_temp)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ruuvitag_df3.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 (0x7F & raw_temp)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ruuvitag_df2.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 (0x7F & u8_temp)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_bluez.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 let mut device = e.get_mut();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dbus_bluez.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 let mut device = e.get_mut();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_temp_float`
[INFO] [stdout]    --> src/ruuvitag_df3.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn get_temp_float(&self) -> Option<f64> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `object_path`
[INFO] [stdout]   --> src/bt_device.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     object_path: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_object_path`
[INFO] [stdout]   --> src/bt_device.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_object_path(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_address`
[INFO] [stdout]   --> src/bt_device.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn set_address(&mut self, address: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_address`
[INFO] [stdout]   --> src/config.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_address(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_temp_float`
[INFO] [stdout]    --> src/ruuvitag_df3.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn get_temp_float(&self) -> Option<f64> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `object_path`
[INFO] [stdout]   --> src/bt_device.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     object_path: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_object_path`
[INFO] [stdout]   --> src/bt_device.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_object_path(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_address`
[INFO] [stdout]   --> src/bt_device.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn set_address(&mut self, address: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_address`
[INFO] [stdout]   --> src/config.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_address(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.14s
[INFO] running `Command { std: "docker" "inspect" "20b9d9710fda729baea313873b25f0801b31cdcb8b7537b140c0af26f19bb318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b9d9710fda729baea313873b25f0801b31cdcb8b7537b140c0af26f19bb318", kill_on_drop: false }`
[INFO] [stdout] 20b9d9710fda729baea313873b25f0801b31cdcb8b7537b140c0af26f19bb318