Dec 19 10:45:46.533 INFO checking pop-os/system76-power against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:45:46.533 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/pop-os/system76-power:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:45:46.969 INFO [stdout] 271eee4adb9a75c2fef174612ddbf97328ed8cb7b89c0a91c1c641a030e8de79
Dec 19 10:45:46.971 INFO running `"docker" "start" "-a" "271eee4adb9a75c2fef174612ddbf97328ed8cb7b89c0a91c1c641a030e8de79"`
Dec 19 10:45:49.501 INFO [stderr]     Checking sysfs-class v0.1.1
Dec 19 10:45:49.501 INFO [stderr]    Compiling libdbus-sys v0.1.4
Dec 19 10:45:49.520 INFO [stderr]     Checking fern v0.5.7
Dec 19 10:45:49.528 INFO [stderr]    Compiling vergen v0.1.1
Dec 19 10:45:51.754 INFO [stderr]    Compiling system76-power v1.0.0 (/opt/crater/workdir)
Dec 19 10:45:52.085 INFO [stderr]     Checking dbus v0.6.2
Dec 19 10:45:56.304 INFO [stderr] warning: unused import: `env`
Dec 19 10:45:56.305 INFO [stderr]   --> src/main.rs:11:11
Dec 19 10:45:56.305 INFO [stderr]    |
Dec 19 10:45:56.305 INFO [stderr] 11 | use std::{env, process};
Dec 19 10:45:56.305 INFO [stderr]    |           ^^^
Dec 19 10:45:56.306 INFO [stderr] warning: unused import: `env`
Dec 19 10:45:56.306 INFO [stderr]   --> src/main.rs:11:11
Dec 19 10:45:56.306 INFO [stderr]    |
Dec 19 10:45:56.306 INFO [stderr] 11 | use std::{env, process};
Dec 19 10:45:56.307 INFO [stderr]    |           ^^^
Dec 19 10:45:56.307 INFO [stderr]    |
Dec 19 10:45:56.307 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 10:45:56.307 INFO [stderr] 
Dec 19 10:45:56.307 INFO [stderr] warning: unused import: `Level`
Dec 19 10:45:56.308 INFO [stderr]  --> src/logging.rs:2:11
Dec 19 10:45:56.308 INFO [stderr]   |
Dec 19 10:45:56.308 INFO [stderr] 2 | use log::{Level, LevelFilter};
Dec 19 10:45:56.308 INFO [stderr]   |           ^^^^^
Dec 19 10:45:56.308 INFO [stderr] 
Dec 19 10:45:56.309 INFO [stderr] warning: unused import: `PathBuf`
Dec 19 10:45:56.309 INFO [stderr]  --> src/snd.rs:1:23
Dec 19 10:45:56.309 INFO [stderr]   |
Dec 19 10:45:56.309 INFO [stderr] 1 | use std::path::{Path, PathBuf};
Dec 19 10:45:56.309 INFO [stderr]   |                       ^^^^^^^
Dec 19 10:45:56.309 INFO [stderr] 
Dec 19 10:45:56.309 INFO [stderr]    |
Dec 19 10:45:56.309 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 10:45:56.309 INFO [stderr] 
Dec 19 10:45:56.313 INFO [stderr] warning: unused import: `Level`
Dec 19 10:45:56.313 INFO [stderr]  --> src/logging.rs:2:11
Dec 19 10:45:56.313 INFO [stderr]   |
Dec 19 10:45:56.313 INFO [stderr] 2 | use log::{Level, LevelFilter};
Dec 19 10:45:56.313 INFO [stderr]   |           ^^^^^
Dec 19 10:45:56.313 INFO [stderr] 
Dec 19 10:45:56.314 INFO [stderr] warning: unused import: `PathBuf`
Dec 19 10:45:56.314 INFO [stderr]  --> src/snd.rs:1:23
Dec 19 10:45:56.314 INFO [stderr]   |
Dec 19 10:45:56.314 INFO [stderr] 1 | use std::path::{Path, PathBuf};
Dec 19 10:45:56.314 INFO [stderr]   |                       ^^^^^^^
Dec 19 10:45:56.314 INFO [stderr] 
Dec 19 10:45:57.337 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:45:57.337 INFO [stderr]   --> src/graphics.rs:87:13
Dec 19 10:45:57.337 INFO [stderr]    |
Dec 19 10:45:57.337 INFO [stderr] 87 |         let mut vendor = if modules.iter().find(|module| module.name == "nouveau" || module.name == "nvidia").is_some() {
Dec 19 10:45:57.337 INFO [stderr]    |             ----^^^^^^
Dec 19 10:45:57.337 INFO [stderr]    |             |
Dec 19 10:45:57.337 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:45:57.337 INFO [stderr]    |
Dec 19 10:45:57.344 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 10:45:57.344 INFO [stderr] 
Dec 19 10:45:57.420 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:45:57.420 INFO [stderr]   --> src/graphics.rs:87:13
Dec 19 10:45:57.420 INFO [stderr]    |
Dec 19 10:45:57.420 INFO [stderr] 87 |         let mut vendor = if modules.iter().find(|module| module.name == "nouveau" || module.name == "nvidia").is_some() {
Dec 19 10:45:57.420 INFO [stderr]    |             ----^^^^^^
Dec 19 10:45:57.420 INFO [stderr]    |             |
Dec 19 10:45:57.420 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:45:57.420 INFO [stderr]    |
Dec 19 10:45:57.420 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 10:45:57.420 INFO [stderr] 
Dec 19 10:45:57.507 INFO [stderr] warning: method is never used: `bl_power`
Dec 19 10:45:57.507 INFO [stderr]   --> src/backlight.rs:41:5
Dec 19 10:45:57.507 INFO [stderr]    |
Dec 19 10:45:57.507 INFO [stderr] 41 |     pub fn bl_power(&self) -> io::Result<u64> {
Dec 19 10:45:57.507 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.507 INFO [stderr]    |
Dec 19 10:45:57.507 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 10:45:57.508 INFO [stderr] 
Dec 19 10:45:57.508 INFO [stderr] warning: function is never used: `reload`
Dec 19 10:45:57.508 INFO [stderr]  --> src/modprobe.rs:4:1
Dec 19 10:45:57.508 INFO [stderr]   |
Dec 19 10:45:57.508 INFO [stderr] 4 | pub fn reload(module: &str, options: &[&str]) -> io::Result<()> {
Dec 19 10:45:57.508 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.508 INFO [stderr] 
Dec 19 10:45:57.508 INFO [stderr] warning: function is never used: `unload`
Dec 19 10:45:57.508 INFO [stderr]  --> src/modprobe.rs:8:1
Dec 19 10:45:57.508 INFO [stderr]   |
Dec 19 10:45:57.508 INFO [stderr] 8 | pub fn unload(module: &str) -> io::Result<()> {
Dec 19 10:45:57.508 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.508 INFO [stderr] 
Dec 19 10:45:57.508 INFO [stderr] warning: function is never used: `load`
Dec 19 10:45:57.509 INFO [stderr]   --> src/modprobe.rs:20:1
Dec 19 10:45:57.509 INFO [stderr]    |
Dec 19 10:45:57.509 INFO [stderr] 20 | pub fn load(module: &str, options: &[&str]) -> io::Result<()> {
Dec 19 10:45:57.509 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.509 INFO [stderr] 
Dec 19 10:45:57.509 INFO [stderr] warning: method is never used: `drivers`
Dec 19 10:45:57.509 INFO [stderr]   --> src/pci.rs:25:5
Dec 19 10:45:57.509 INFO [stderr]    |
Dec 19 10:45:57.509 INFO [stderr] 25 |     pub fn drivers(&self) -> io::Result<Vec<PciDriver>> {
Dec 19 10:45:57.509 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.509 INFO [stderr] 
Dec 19 10:45:57.509 INFO [stderr] warning: method is never used: `path`
Dec 19 10:45:57.509 INFO [stderr]   --> src/pci.rs:45:5
Dec 19 10:45:57.509 INFO [stderr]    |
Dec 19 10:45:57.509 INFO [stderr] 45 |     pub fn path(&self) -> &Path {
Dec 19 10:45:57.509 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.509 INFO [stderr] 
Dec 19 10:45:57.509 INFO [stderr] warning: method is never used: `bind`
Dec 19 10:45:57.509 INFO [stderr]   --> src/pci.rs:49:5
Dec 19 10:45:57.509 INFO [stderr]    |
Dec 19 10:45:57.509 INFO [stderr] 49 |     pub unsafe fn bind(&self, device: &PciDevice) -> io::Result<()> {
Dec 19 10:45:57.509 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.509 INFO [stderr] 
Dec 19 10:45:57.509 INFO [stderr] warning: method is never used: `device`
Dec 19 10:45:57.510 INFO [stderr]   --> src/pci.rs:64:9
Dec 19 10:45:57.510 INFO [stderr]    |
Dec 19 10:45:57.510 INFO [stderr] 64 |         pub fn $file(&self) -> io::Result<$out> {
Dec 19 10:45:57.510 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.510 INFO [stderr] ...
Dec 19 10:45:57.510 INFO [stderr] 94 |     pci_device!(device as u16);
Dec 19 10:45:57.510 INFO [stderr]    |     --------------------------- in this macro invocation
Dec 19 10:45:57.510 INFO [stderr] 
Dec 19 10:45:57.510 INFO [stderr] warning: method is never used: `revision`
Dec 19 10:45:57.510 INFO [stderr]   --> src/pci.rs:64:9
Dec 19 10:45:57.510 INFO [stderr]    |
Dec 19 10:45:57.510 INFO [stderr] 64 |         pub fn $file(&self) -> io::Result<$out> {
Dec 19 10:45:57.510 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.510 INFO [stderr] ...
Dec 19 10:45:57.510 INFO [stderr] 96 |     pci_device!(revision as u8);
Dec 19 10:45:57.510 INFO [stderr]    |     ---------------------------- in this macro invocation
Dec 19 10:45:57.510 INFO [stderr] 
Dec 19 10:45:57.510 INFO [stderr] warning: field is never used: `device`
Dec 19 10:45:57.510 INFO [stderr]  --> src/wifi.rs:6:5
Dec 19 10:45:57.510 INFO [stderr]   |
Dec 19 10:45:57.510 INFO [stderr] 6 |     device: &'static str,
Dec 19 10:45:57.511 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.511 INFO [stderr] 
Dec 19 10:45:57.511 INFO [stderr] warning: field is never used: `power_save`
Dec 19 10:45:57.511 INFO [stderr]  --> src/wifi.rs:7:5
Dec 19 10:45:57.511 INFO [stderr]   |
Dec 19 10:45:57.511 INFO [stderr] 7 |     power_save: PowerSave,
Dec 19 10:45:57.511 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.511 INFO [stderr] 
Dec 19 10:45:57.511 INFO [stderr] warning: field is never used: `power_level`
Dec 19 10:45:57.511 INFO [stderr]  --> src/wifi.rs:8:5
Dec 19 10:45:57.511 INFO [stderr]   |
Dec 19 10:45:57.511 INFO [stderr] 8 |     power_level: PowerLevel,
Dec 19 10:45:57.511 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.511 INFO [stderr] 
Dec 19 10:45:57.511 INFO [stderr] warning: method is never used: `set`
Dec 19 10:45:57.511 INFO [stderr]   --> src/wifi.rs:26:5
Dec 19 10:45:57.511 INFO [stderr]    |
Dec 19 10:45:57.511 INFO [stderr] 26 |     pub fn set(&self, power_level: u8) {
Dec 19 10:45:57.511 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.511 INFO [stderr] 
Dec 19 10:45:57.524 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:45:57.524 INFO [stderr]    --> src/graphics.rs:175:33
Dec 19 10:45:57.524 INFO [stderr]     |
Dec 19 10:45:57.524 INFO [stderr] 175 |                                 unsafe { driver.unbind(&dev) };
Dec 19 10:45:57.524 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.524 INFO [stderr]     |
Dec 19 10:45:57.524 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 10:45:57.524 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:45:57.524 INFO [stderr] 
Dec 19 10:45:57.580 INFO [stderr] warning: method is never used: `bl_power`
Dec 19 10:45:57.580 INFO [stderr]   --> src/backlight.rs:41:5
Dec 19 10:45:57.580 INFO [stderr]    |
Dec 19 10:45:57.580 INFO [stderr] 41 |     pub fn bl_power(&self) -> io::Result<u64> {
Dec 19 10:45:57.580 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.580 INFO [stderr]    |
Dec 19 10:45:57.580 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 10:45:57.580 INFO [stderr] 
Dec 19 10:45:57.580 INFO [stderr] warning: function is never used: `reload`
Dec 19 10:45:57.580 INFO [stderr]  --> src/modprobe.rs:4:1
Dec 19 10:45:57.580 INFO [stderr]   |
Dec 19 10:45:57.581 INFO [stderr] 4 | pub fn reload(module: &str, options: &[&str]) -> io::Result<()> {
Dec 19 10:45:57.581 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.581 INFO [stderr] 
Dec 19 10:45:57.581 INFO [stderr] warning: function is never used: `unload`
Dec 19 10:45:57.581 INFO [stderr]  --> src/modprobe.rs:8:1
Dec 19 10:45:57.581 INFO [stderr]   |
Dec 19 10:45:57.581 INFO [stderr] 8 | pub fn unload(module: &str) -> io::Result<()> {
Dec 19 10:45:57.581 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.581 INFO [stderr] 
Dec 19 10:45:57.581 INFO [stderr] warning: function is never used: `load`
Dec 19 10:45:57.581 INFO [stderr]   --> src/modprobe.rs:20:1
Dec 19 10:45:57.581 INFO [stderr]    |
Dec 19 10:45:57.581 INFO [stderr] 20 | pub fn load(module: &str, options: &[&str]) -> io::Result<()> {
Dec 19 10:45:57.581 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.581 INFO [stderr] 
Dec 19 10:45:57.581 INFO [stderr] warning: method is never used: `drivers`
Dec 19 10:45:57.581 INFO [stderr]   --> src/pci.rs:25:5
Dec 19 10:45:57.581 INFO [stderr]    |
Dec 19 10:45:57.581 INFO [stderr] 25 |     pub fn drivers(&self) -> io::Result<Vec<PciDriver>> {
Dec 19 10:45:57.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.581 INFO [stderr] 
Dec 19 10:45:57.581 INFO [stderr] warning: method is never used: `path`
Dec 19 10:45:57.581 INFO [stderr]   --> src/pci.rs:45:5
Dec 19 10:45:57.581 INFO [stderr]    |
Dec 19 10:45:57.581 INFO [stderr] 45 |     pub fn path(&self) -> &Path {
Dec 19 10:45:57.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.582 INFO [stderr] 
Dec 19 10:45:57.582 INFO [stderr] warning: method is never used: `bind`
Dec 19 10:45:57.582 INFO [stderr]   --> src/pci.rs:49:5
Dec 19 10:45:57.582 INFO [stderr]    |
Dec 19 10:45:57.582 INFO [stderr] 49 |     pub unsafe fn bind(&self, device: &PciDevice) -> io::Result<()> {
Dec 19 10:45:57.582 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.582 INFO [stderr] 
Dec 19 10:45:57.582 INFO [stderr] warning: method is never used: `device`
Dec 19 10:45:57.582 INFO [stderr]   --> src/pci.rs:64:9
Dec 19 10:45:57.582 INFO [stderr]    |
Dec 19 10:45:57.582 INFO [stderr] 64 |         pub fn $file(&self) -> io::Result<$out> {
Dec 19 10:45:57.582 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.582 INFO [stderr] ...
Dec 19 10:45:57.582 INFO [stderr] 94 |     pci_device!(device as u16);
Dec 19 10:45:57.582 INFO [stderr]    |     --------------------------- in this macro invocation
Dec 19 10:45:57.582 INFO [stderr] 
Dec 19 10:45:57.582 INFO [stderr] warning: method is never used: `revision`
Dec 19 10:45:57.582 INFO [stderr]   --> src/pci.rs:64:9
Dec 19 10:45:57.582 INFO [stderr]    |
Dec 19 10:45:57.582 INFO [stderr] 64 |         pub fn $file(&self) -> io::Result<$out> {
Dec 19 10:45:57.582 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.582 INFO [stderr] ...
Dec 19 10:45:57.583 INFO [stderr] 96 |     pci_device!(revision as u8);
Dec 19 10:45:57.583 INFO [stderr]    |     ---------------------------- in this macro invocation
Dec 19 10:45:57.583 INFO [stderr] 
Dec 19 10:45:57.583 INFO [stderr] warning: field is never used: `device`
Dec 19 10:45:57.583 INFO [stderr]  --> src/wifi.rs:6:5
Dec 19 10:45:57.583 INFO [stderr]   |
Dec 19 10:45:57.583 INFO [stderr] 6 |     device: &'static str,
Dec 19 10:45:57.583 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.583 INFO [stderr] 
Dec 19 10:45:57.583 INFO [stderr] warning: field is never used: `power_save`
Dec 19 10:45:57.583 INFO [stderr]  --> src/wifi.rs:7:5
Dec 19 10:45:57.583 INFO [stderr]   |
Dec 19 10:45:57.583 INFO [stderr] 7 |     power_save: PowerSave,
Dec 19 10:45:57.583 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.583 INFO [stderr] 
Dec 19 10:45:57.583 INFO [stderr] warning: field is never used: `power_level`
Dec 19 10:45:57.583 INFO [stderr]  --> src/wifi.rs:8:5
Dec 19 10:45:57.583 INFO [stderr]   |
Dec 19 10:45:57.583 INFO [stderr] 8 |     power_level: PowerLevel,
Dec 19 10:45:57.583 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.583 INFO [stderr] 
Dec 19 10:45:57.583 INFO [stderr] warning: method is never used: `set`
Dec 19 10:45:57.583 INFO [stderr]   --> src/wifi.rs:26:5
Dec 19 10:45:57.583 INFO [stderr]    |
Dec 19 10:45:57.583 INFO [stderr] 26 |     pub fn set(&self, power_level: u8) {
Dec 19 10:45:57.583 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.583 INFO [stderr] 
Dec 19 10:45:57.603 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:45:57.603 INFO [stderr]    --> src/graphics.rs:175:33
Dec 19 10:45:57.603 INFO [stderr]     |
Dec 19 10:45:57.603 INFO [stderr] 175 |                                 unsafe { driver.unbind(&dev) };
Dec 19 10:45:57.603 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:45:57.603 INFO [stderr]     |
Dec 19 10:45:57.603 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 10:45:57.603 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:45:57.603 INFO [stderr] 
Dec 19 10:45:57.686 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.28s
Dec 19 10:45:58.900 INFO running `"docker" "inspect" "271eee4adb9a75c2fef174612ddbf97328ed8cb7b89c0a91c1c641a030e8de79"`
Dec 19 10:45:59.300 INFO running `"docker" "rm" "-f" "271eee4adb9a75c2fef174612ddbf97328ed8cb7b89c0a91c1c641a030e8de79"`
Dec 19 10:45:59.626 INFO [stdout] 271eee4adb9a75c2fef174612ddbf97328ed8cb7b89c0a91c1c641a030e8de79