[INFO] cloning repository https://github.com/Duelsik/expose-heartrate [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Duelsik/expose-heartrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuelsik%2Fexpose-heartrate", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuelsik%2Fexpose-heartrate'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c1e525676761aa30e7845d7b0a65f27cc95df24f [INFO] building Duelsik/expose-heartrate against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuelsik%2Fexpose-heartrate" "/workspace/builds/worker-17/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Duelsik/expose-heartrate on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Duelsik/expose-heartrate [INFO] finished tweaking git repo https://github.com/Duelsik/expose-heartrate [INFO] tweaked toml for git repo https://github.com/Duelsik/expose-heartrate written to /workspace/builds/worker-17/source/Cargo.toml [INFO] crate git repo https://github.com/Duelsik/expose-heartrate already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "fetch" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dbus-tokio v0.7.5 [INFO] [stderr] Downloaded dashmap v5.1.0 [INFO] [stderr] Downloaded bluez-generated v0.2.1 [INFO] [stderr] Downloaded bluez-async v0.5.5 [INFO] [stderr] Downloaded btleplug v0.9.1 [INFO] [stderr] Downloaded websocket-base v0.26.2 [INFO] [stderr] Downloaded tokio-tls v0.2.1 [INFO] [stderr] Downloaded windows v0.28.0 [INFO] [stderr] Downloaded arctic v0.0.1 [INFO] [stderr] Downloaded websocket v0.26.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b057c24574b72e1b5b69770defcb6a89b86f96aa858fe64ad7b3a2d9be7762f [INFO] running `Command { std: "docker" "start" "-a" "9b057c24574b72e1b5b69770defcb6a89b86f96aa858fe64ad7b3a2d9be7762f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b057c24574b72e1b5b69770defcb6a89b86f96aa858fe64ad7b3a2d9be7762f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b057c24574b72e1b5b69770defcb6a89b86f96aa858fe64ad7b3a2d9be7762f", kill_on_drop: false }` [INFO] [stdout] 9b057c24574b72e1b5b69770defcb6a89b86f96aa858fe64ad7b3a2d9be7762f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7981c902dc203d72ac8f05c66a269f58d1b86bb6f42069cf4af16259374ef3e7 [INFO] running `Command { std: "docker" "start" "-a" "7981c902dc203d72ac8f05c66a269f58d1b86bb6f42069cf4af16259374ef3e7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.118 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling httparse v1.6.0 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling state v0.5.2 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling libdbus-sys v0.2.2 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling mio v0.8.0 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling parking_lot v0.12.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling dashmap v5.1.0 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling sha-1 v0.8.2 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling tokio-tls v0.2.1 [INFO] [stderr] Compiling websocket-base v0.26.2 [INFO] [stderr] Compiling websocket v0.26.3 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling tokio-stream v0.1.8 [INFO] [stderr] Compiling dbus v0.9.5 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling bluez-generated v0.2.1 [INFO] [stderr] Compiling dbus-tokio v0.7.5 [INFO] [stderr] Compiling serde-xml-rs v0.5.1 [INFO] [stderr] Compiling bluez-async v0.5.5 [INFO] [stderr] Compiling btleplug v0.9.1 [INFO] [stderr] Compiling arctic v0.0.1 [INFO] [stderr] Compiling expose-heartrate v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `futures::sink::Send` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::sink::Send; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::runtime::Runtime` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::runtime::Runtime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `websocket::ws` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use websocket::ws; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Message` [INFO] [stdout] --> src/main.rs:15:26 [INFO] [stdout] | [INFO] [stdout] 15 | use websocket::message::{Message, OwnedMessage}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `InvalidConnection` [INFO] [stdout] --> src/main.rs:16:25 [INFO] [stdout] | [INFO] [stdout] 16 | use websocket::server::{InvalidConnection, NoTlsAcceptor, WsServer}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Future`, `Sink`, `future` [INFO] [stdout] --> src/main.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 19 | use futures::{future, Future, Sink, Stream}; [INFO] [stdout] | ^^^^^^ ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Stream` [INFO] [stdout] --> src/main.rs:19:37 [INFO] [stdout] | [INFO] [stdout] 19 | use futures::{future, Future, Sink, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `battery_level` [INFO] [stdout] --> src/main.rs:27:36 [INFO] [stdout] | [INFO] [stdout] 27 | async fn battery_update(&self, battery_level: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_battery_level` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 27s [INFO] running `Command { std: "docker" "inspect" "7981c902dc203d72ac8f05c66a269f58d1b86bb6f42069cf4af16259374ef3e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7981c902dc203d72ac8f05c66a269f58d1b86bb6f42069cf4af16259374ef3e7", kill_on_drop: false }` [INFO] [stdout] 7981c902dc203d72ac8f05c66a269f58d1b86bb6f42069cf4af16259374ef3e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c576fe17f01f54d08e37d952519513a67d417c97e00125cae23c934ff52fc0e0 [INFO] running `Command { std: "docker" "start" "-a" "c576fe17f01f54d08e37d952519513a67d417c97e00125cae23c934ff52fc0e0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling expose-heartrate v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `futures::sink::Send` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::sink::Send; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::runtime::Runtime` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::runtime::Runtime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `websocket::ws` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use websocket::ws; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Message` [INFO] [stdout] --> src/main.rs:15:26 [INFO] [stdout] | [INFO] [stdout] 15 | use websocket::message::{Message, OwnedMessage}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `InvalidConnection` [INFO] [stdout] --> src/main.rs:16:25 [INFO] [stdout] | [INFO] [stdout] 16 | use websocket::server::{InvalidConnection, NoTlsAcceptor, WsServer}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Future`, `Sink`, `future` [INFO] [stdout] --> src/main.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 19 | use futures::{future, Future, Sink, Stream}; [INFO] [stdout] | ^^^^^^ ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Stream` [INFO] [stdout] --> src/main.rs:19:37 [INFO] [stdout] | [INFO] [stdout] 19 | use futures::{future, Future, Sink, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `battery_level` [INFO] [stdout] --> src/main.rs:27:36 [INFO] [stdout] | [INFO] [stdout] 27 | async fn battery_update(&self, battery_level: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_battery_level` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.91s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/expose_heartrate-ed705e57d984d350) [INFO] running `Command { std: "docker" "inspect" "c576fe17f01f54d08e37d952519513a67d417c97e00125cae23c934ff52fc0e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c576fe17f01f54d08e37d952519513a67d417c97e00125cae23c934ff52fc0e0", kill_on_drop: false }` [INFO] [stdout] c576fe17f01f54d08e37d952519513a67d417c97e00125cae23c934ff52fc0e0