[INFO] updating cached repository https://github.com/janne-alatalo/ruuvitag-collector
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53686d73a8f3f4e407c33dcf679868b9a1b005ba
[INFO] checking janne-alatalo/ruuvitag-collector against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanne-alatalo%2Fruuvitag-collector" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/janne-alatalo/ruuvitag-collector on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-9/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 `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34428a62b993a962b35bd215136f6d6c132e9f4430367dea740b5672f4cad06b
[INFO] running `"docker" "start" "-a" "34428a62b993a962b35bd215136f6d6c132e9f4430367dea740b5672f4cad06b"`
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking regex v1.0.1
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling libdbus-sys v0.1.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking dbus v0.6.1
[INFO] [stderr]     Checking env_logger v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking docopt v1.0.0
[INFO] [stderr]     Checking influx_db_client v0.3.6
[INFO] [stderr]     Checking bt-sensor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dbus_bluez.rs:311:21
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 let mut device = e.get_mut();
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_temp_float`
[INFO] [stderr]    --> src/ruuvitag_df3.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn get_temp_float(&self) -> Option<f64> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `object_path`
[INFO] [stderr]   --> src/bt_device.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     object_path: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_object_path`
[INFO] [stderr]   --> src/bt_device.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn get_object_path(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_address`
[INFO] [stderr]   --> src/bt_device.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn set_address(&mut self, address: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_address`
[INFO] [stderr]   --> src/config.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn get_address(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dbus_bluez.rs:311:21
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 let mut device = e.get_mut();
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_temp_float`
[INFO] [stderr]    --> src/ruuvitag_df3.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn get_temp_float(&self) -> Option<f64> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `object_path`
[INFO] [stderr]   --> src/bt_device.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     object_path: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_object_path`
[INFO] [stderr]   --> src/bt_device.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn get_object_path(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_address`
[INFO] [stderr]   --> src/bt_device.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn set_address(&mut self, address: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_address`
[INFO] [stderr]   --> src/config.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn get_address(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.91s
[INFO] running `"docker" "inspect" "34428a62b993a962b35bd215136f6d6c132e9f4430367dea740b5672f4cad06b"`
[INFO] running `"docker" "rm" "-f" "34428a62b993a962b35bd215136f6d6c132e9f4430367dea740b5672f4cad06b"`
[INFO] [stdout] 34428a62b993a962b35bd215136f6d6c132e9f4430367dea740b5672f4cad06b