[INFO] fetching crate draw_bridge 0.1.1...
[INFO] building draw_bridge-0.1.1 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate draw_bridge 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate draw_bridge 0.1.1 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate draw_bridge 0.1.1
[INFO] finished tweaking crates.io crate draw_bridge 0.1.1
[INFO] tweaked toml for crates.io crate draw_bridge 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate draw_bridge 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d105c7bca2edbd5fbbdc6a777d744c90cbc14cfbc6c2b8cf929dd6c58587bc9
[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" "3d105c7bca2edbd5fbbdc6a777d744c90cbc14cfbc6c2b8cf929dd6c58587bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d105c7bca2edbd5fbbdc6a777d744c90cbc14cfbc6c2b8cf929dd6c58587bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d105c7bca2edbd5fbbdc6a777d744c90cbc14cfbc6c2b8cf929dd6c58587bc9", kill_on_drop: false }`
[INFO] [stdout] 3d105c7bca2edbd5fbbdc6a777d744c90cbc14cfbc6c2b8cf929dd6c58587bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a171b17f7c1fa2245ef1549e2dad6edefb20667a990988d6e413547e1ce7d483
[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" "a171b17f7c1fa2245ef1549e2dad6edefb20667a990988d6e413547e1ce7d483", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling config v0.9.3
[INFO] [stderr]    Compiling draw_bridge_derive v0.1.0
[INFO] [stderr]    Compiling draw_bridge v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/commands.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `noop`
[INFO] [stdout]   --> src/commands.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn noop() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fail`
[INFO] [stdout]   --> src/commands.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidCommand`
[INFO] [stdout]   --> src/commands.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ValidationResult`
[INFO] [stdout]   --> src/commands.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HomeMove`
[INFO] [stdout]    --> src/instructions.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     HomeMove,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueryMotors`
[INFO] [stdout]    --> src/instructions.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     QueryMotors,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueryPen`
[INFO] [stdout]    --> src/instructions.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     QueryPen,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QuerySteps`
[INFO] [stdout]    --> src/instructions.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     QuerySteps,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetPen`
[INFO] [stdout]    --> src/instructions.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     SetPen(PenPosition),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_to_i32`
[INFO] [stdout]    --> src/instructions.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn match_to_i32(m: Option<regex::Match>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MotorStatus`
[INFO] [stdout]    --> src/instructions.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct MotorStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_client`
[INFO] [stdout]   --> src/socket.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn handle_client(stream: UnixStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PRODUCT_ID`
[INFO] [stdout]  --> src/udev.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MODEL`
[INFO] [stdout]   --> src/udev.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static MODEL: &str = "EiBotBoard";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `describe`
[INFO] [stdout]   --> src/udev.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn describe() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.87s
[INFO] running `Command { std: "docker" "inspect" "a171b17f7c1fa2245ef1549e2dad6edefb20667a990988d6e413547e1ce7d483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a171b17f7c1fa2245ef1549e2dad6edefb20667a990988d6e413547e1ce7d483", kill_on_drop: false }`
[INFO] [stdout] a171b17f7c1fa2245ef1549e2dad6edefb20667a990988d6e413547e1ce7d483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ffbe59de9a74046a5d2679a30d991618455da649e43df27b2d5101f94c155ad
[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" "9ffbe59de9a74046a5d2679a30d991618455da649e43df27b2d5101f94c155ad", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/commands.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `noop`
[INFO] [stdout]   --> src/commands.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn noop() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fail`
[INFO] [stdout]   --> src/commands.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidCommand`
[INFO] [stdout]   --> src/commands.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ValidationResult`
[INFO] [stdout]   --> src/commands.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HomeMove`
[INFO] [stdout]    --> src/instructions.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     HomeMove,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueryMotors`
[INFO] [stdout]    --> src/instructions.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     QueryMotors,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueryPen`
[INFO] [stdout]    --> src/instructions.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     QueryPen,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QuerySteps`
[INFO] [stdout]    --> src/instructions.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     QuerySteps,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetPen`
[INFO] [stdout]    --> src/instructions.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     SetPen(PenPosition),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_to_i32`
[INFO] [stdout]    --> src/instructions.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn match_to_i32(m: Option<regex::Match>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MotorStatus`
[INFO] [stdout]    --> src/instructions.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct MotorStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_client`
[INFO] [stdout]   --> src/socket.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn handle_client(stream: UnixStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PRODUCT_ID`
[INFO] [stdout]  --> src/udev.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MODEL`
[INFO] [stdout]   --> src/udev.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static MODEL: &str = "EiBotBoard";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `describe`
[INFO] [stdout]   --> src/udev.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn describe() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling draw_bridge v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `build_test_json`
[INFO] [stdout]    --> src/api.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn build_test_json(cmd: &str, body: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/commands.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `noop`
[INFO] [stdout]   --> src/commands.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn noop() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fail`
[INFO] [stdout]   --> src/commands.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidCommand`
[INFO] [stdout]   --> src/commands.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ValidationResult`
[INFO] [stdout]   --> src/commands.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HomeMove`
[INFO] [stdout]    --> src/instructions.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     HomeMove,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueryPen`
[INFO] [stdout]    --> src/instructions.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     QueryPen,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QuerySteps`
[INFO] [stdout]    --> src/instructions.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     QuerySteps,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetPen`
[INFO] [stdout]    --> src/instructions.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     SetPen(PenPosition),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_to_i32`
[INFO] [stdout]    --> src/instructions.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn match_to_i32(m: Option<regex::Match>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MotorStatus`
[INFO] [stdout]    --> src/instructions.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct MotorStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/plotter.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |         fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_read_write`
[INFO] [stdout]    --> src/plotter.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |         fn new_with_read_write(read_buf: Vec<u8>, write_buf: Vec<u8>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_read`
[INFO] [stdout]    --> src/plotter.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |         fn new_with_read(read_buf: Vec<u8>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_write`
[INFO] [stdout]    --> src/plotter.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 |         fn new_with_write(write_buf: Vec<u8>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_client`
[INFO] [stdout]   --> src/socket.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn handle_client(stream: UnixStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PRODUCT_ID`
[INFO] [stdout]  --> src/udev.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MODEL`
[INFO] [stdout]   --> src/udev.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static MODEL: &str = "EiBotBoard";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `describe`
[INFO] [stdout]   --> src/udev.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn describe() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/plotter.rs:366:30
[INFO] [stdout]     |
[INFO] [stdout] 366 |             Err(e) => panic!(e),
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 366 |             Err(e) => panic!("{}", e),
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 366 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/plotter.rs:376:30
[INFO] [stdout]     |
[INFO] [stdout] 376 |             Err(e) => panic!(e),
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 376 |             Err(e) => panic!("{}", e),
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 376 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/plotter.rs:386:30
[INFO] [stdout]     |
[INFO] [stdout] 386 |             Err(e) => panic!(e),
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 386 |             Err(e) => panic!("{}", e),
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 386 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "9ffbe59de9a74046a5d2679a30d991618455da649e43df27b2d5101f94c155ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ffbe59de9a74046a5d2679a30d991618455da649e43df27b2d5101f94c155ad", kill_on_drop: false }`
[INFO] [stdout] 9ffbe59de9a74046a5d2679a30d991618455da649e43df27b2d5101f94c155ad
