[INFO] cloning repository https://github.com/sameer/eink-clock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sameer/eink-clock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsameer%2Feink-clock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsameer%2Feink-clock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2625422c0c2e8dc3a30948c4b3f91f608eaf3abe
[INFO] testing sameer/eink-clock against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsameer%2Feink-clock" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sameer/eink-clock on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/.cargo/config
[INFO] started tweaking git repo https://github.com/sameer/eink-clock
[INFO] finished tweaking git repo https://github.com/sameer/eink-clock
[INFO] tweaked toml for git repo https://github.com/sameer/eink-clock written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sameer/eink-clock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4ceac8d7da679e2c8985dc08d805e4c08c9cbbfd55601c2e9364d2a81e56a68
[INFO] running `Command { std: "docker" "start" "-a" "e4ceac8d7da679e2c8985dc08d805e4c08c9cbbfd55601c2e9364d2a81e56a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4ceac8d7da679e2c8985dc08d805e4c08c9cbbfd55601c2e9364d2a81e56a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ceac8d7da679e2c8985dc08d805e4c08c9cbbfd55601c2e9364d2a81e56a68", kill_on_drop: false }`
[INFO] [stdout] e4ceac8d7da679e2c8985dc08d805e4c08c9cbbfd55601c2e9364d2a81e56a68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 936391b86bb262f3fc0f50bd0c8e709dff336edadf872d22b18b211813592f7e
[INFO] running `Command { std: "docker" "start" "-a" "936391b86bb262f3fc0f50bd0c8e709dff336edadf872d22b18b211813592f7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling rusb v0.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling metar v0.5.0
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-src v111.15.0+1.1.1k
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling cfg-expr v0.7.4
[INFO] [stderr]    Compiling libusb1-sys v0.5.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling uom v0.31.1
[INFO] [stderr]    Compiling byteordered v0.5.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling ipnetwork v0.18.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling netlink-packet-utils v0.4.1
[INFO] [stderr]    Compiling system-deps v3.1.2
[INFO] [stderr]    Compiling netlink-packet-core v0.2.4
[INFO] [stderr]    Compiling netlink-packet-route v0.7.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.0
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling netlink-sys v0.7.0
[INFO] [stderr]    Compiling cairo-rs v0.14.1
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling netlink-proto v0.7.0
[INFO] [stderr]    Compiling rtnetlink v0.8.0
[INFO] [stderr]    Compiling hyper v0.14.10
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling ssh2 v0.9.1
[INFO] [stderr]    Compiling eink-clock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Gradient`, `LinearGradient`
[INFO] [stdout]  --> src/clock.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cairo::{Context, Gradient, LinearGradient, TextExtents};
[INFO] [stdout]   |                      ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CloudLayer`, `CloudType`
[INFO] [stdout]  --> src/clock.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     CloudLayer, CloudType, Clouds, Data, Metar, SpeedUnit, WeatherCondition, WeatherIntensity,
[INFO] [stdout]   |     ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kindle`
[INFO] [stdout]    --> src/main.rs:141:29
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 if let Some(kindle) = kindle_opt {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kindle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip`
[INFO] [stdout]   --> src/network.rs:71:37
[INFO] [stdout]    |
[INFO] [stdout] 71 | async fn link_down(handle: &Handle, ip: IpNetwork) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_kindle`
[INFO] [stdout]   --> src/usb.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn reset_kindle(kindle: &Device<GlobalContext>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `observation_type`
[INFO] [stdout]   --> src/weather.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     observation_type: Option<ObservationType>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AutomatedWithoutPrecipitationDiscriminator`
[INFO] [stdout]   --> src/weather.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     AutomatedWithoutPrecipitationDiscriminator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AutomatedWithPrecipitationDiscriminator`
[INFO] [stdout]   --> src/weather.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     AutomatedWithPrecipitationDiscriminator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DirectionalVector`
[INFO] [stdout]   --> src/weather.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct DirectionalVector {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Distance`
[INFO] [stdout]   --> src/weather.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub enum Distance {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Direction`
[INFO] [stdout]   --> src/weather.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Direction {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_from_str`
[INFO] [stdout]   --> src/weather.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn parse_from_str(raw: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/clock.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ctx.fill();
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/clock.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ctx.show_text(&date);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/clock.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     ctx.stroke();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/clock.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ctx.show_text(&time);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/clock.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     ctx.show_text(&concise_observation);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/clock.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             ctx.fill();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/clock.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 ctx.show_text(&text);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/clock.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 ctx.stroke();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/clock.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     ctx.show_text(&weather_emojis);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/clock.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     ctx.show_text(&art_name);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "936391b86bb262f3fc0f50bd0c8e709dff336edadf872d22b18b211813592f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936391b86bb262f3fc0f50bd0c8e709dff336edadf872d22b18b211813592f7e", kill_on_drop: false }`
[INFO] [stdout] 936391b86bb262f3fc0f50bd0c8e709dff336edadf872d22b18b211813592f7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceb629fc114d544c9babbe6c35767798e71d7e98bda0d9271901ccb1cc0b3da6
[INFO] running `Command { std: "docker" "start" "-a" "ceb629fc114d544c9babbe6c35767798e71d7e98bda0d9271901ccb1cc0b3da6", kill_on_drop: false }`
[INFO] [stderr]    Compiling eink-clock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Gradient`, `LinearGradient`
[INFO] [stdout]  --> src/clock.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cairo::{Context, Gradient, LinearGradient, TextExtents};
[INFO] [stdout]   |                      ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CloudLayer`, `CloudType`
[INFO] [stdout]  --> src/clock.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     CloudLayer, CloudType, Clouds, Data, Metar, SpeedUnit, WeatherCondition, WeatherIntensity,
[INFO] [stdout]   |     ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kindle`
[INFO] [stdout]    --> src/main.rs:141:29
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 if let Some(kindle) = kindle_opt {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kindle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip`
[INFO] [stdout]   --> src/network.rs:71:37
[INFO] [stdout]    |
[INFO] [stdout] 71 | async fn link_down(handle: &Handle, ip: IpNetwork) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_kindle`
[INFO] [stdout]   --> src/usb.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn reset_kindle(kindle: &Device<GlobalContext>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `observation_type`
[INFO] [stdout]   --> src/weather.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     observation_type: Option<ObservationType>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AutomatedWithoutPrecipitationDiscriminator`
[INFO] [stdout]   --> src/weather.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     AutomatedWithoutPrecipitationDiscriminator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AutomatedWithPrecipitationDiscriminator`
[INFO] [stdout]   --> src/weather.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     AutomatedWithPrecipitationDiscriminator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DirectionalVector`
[INFO] [stdout]   --> src/weather.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct DirectionalVector {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Distance`
[INFO] [stdout]   --> src/weather.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub enum Distance {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Direction`
[INFO] [stdout]   --> src/weather.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Direction {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_from_str`
[INFO] [stdout]   --> src/weather.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn parse_from_str(raw: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/clock.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ctx.fill();
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/clock.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ctx.show_text(&date);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/clock.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     ctx.stroke();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/clock.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ctx.show_text(&time);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/clock.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     ctx.show_text(&concise_observation);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/clock.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             ctx.fill();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/clock.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 ctx.show_text(&text);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/clock.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 ctx.stroke();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/clock.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     ctx.show_text(&weather_emojis);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/clock.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     ctx.show_text(&art_name);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "ceb629fc114d544c9babbe6c35767798e71d7e98bda0d9271901ccb1cc0b3da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb629fc114d544c9babbe6c35767798e71d7e98bda0d9271901ccb1cc0b3da6", kill_on_drop: false }`
[INFO] [stdout] ceb629fc114d544c9babbe6c35767798e71d7e98bda0d9271901ccb1cc0b3da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24dd476b55fa6d6ec9c1fa6bc2cb48278a7d58797a88f7f16f5723a7f6245241
[INFO] running `Command { std: "docker" "start" "-a" "24dd476b55fa6d6ec9c1fa6bc2cb48278a7d58797a88f7f16f5723a7f6245241", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Gradient`, `LinearGradient`
[INFO] [stderr]  --> src/clock.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cairo::{Context, Gradient, LinearGradient, TextExtents};
[INFO] [stderr]   |                      ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CloudLayer`, `CloudType`
[INFO] [stderr]  --> src/clock.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     CloudLayer, CloudType, Clouds, Data, Metar, SpeedUnit, WeatherCondition, WeatherIntensity,
[INFO] [stderr]   |     ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kindle`
[INFO] [stderr]    --> src/main.rs:141:29
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 if let Some(kindle) = kindle_opt {
[INFO] [stderr]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kindle`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip`
[INFO] [stderr]   --> src/network.rs:71:37
[INFO] [stderr]    |
[INFO] [stderr] 71 | async fn link_down(handle: &Handle, ip: IpNetwork) -> Result<(), Error> {
[INFO] [stderr]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ip`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reset_kindle`
[INFO] [stderr]   --> src/usb.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn reset_kindle(kindle: &Device<GlobalContext>) -> Result<()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `observation_type`
[INFO] [stderr]   --> src/weather.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     observation_type: Option<ObservationType>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AutomatedWithoutPrecipitationDiscriminator`
[INFO] [stderr]   --> src/weather.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     AutomatedWithoutPrecipitationDiscriminator,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AutomatedWithPrecipitationDiscriminator`
[INFO] [stderr]   --> src/weather.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     AutomatedWithPrecipitationDiscriminator,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DirectionalVector`
[INFO] [stderr]   --> src/weather.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct DirectionalVector {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Distance`
[INFO] [stderr]   --> src/weather.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub enum Distance {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]   --> src/weather.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub enum Direction {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_from_str`
[INFO] [stderr]   --> src/weather.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn parse_from_str(raw: &str) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/clock.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ctx.fill();
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/clock.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     ctx.show_text(&date);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/clock.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     ctx.stroke();
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/clock.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     ctx.show_text(&time);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/clock.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     ctx.show_text(&concise_observation);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/clock.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             ctx.fill();
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/clock.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 ctx.show_text(&text);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/clock.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 ctx.stroke();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/clock.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     ctx.show_text(&weather_emojis);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/clock.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     ctx.show_text(&art_name);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `eink-clock` (bin "eink-clock" test) generated 22 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/eink_clock-845b850b40b0c124)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24dd476b55fa6d6ec9c1fa6bc2cb48278a7d58797a88f7f16f5723a7f6245241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24dd476b55fa6d6ec9c1fa6bc2cb48278a7d58797a88f7f16f5723a7f6245241", kill_on_drop: false }`
[INFO] [stdout] 24dd476b55fa6d6ec9c1fa6bc2cb48278a7d58797a88f7f16f5723a7f6245241