[INFO] fetching crate draw_bridge 0.1.1...
[INFO] checking draw_bridge-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate draw_bridge 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate draw_bridge 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded draw_bridge_derive v0.1.0
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] [stderr]   Downloaded serial-core v0.4.0
[INFO] [stderr]   Downloaded yaml-rust v0.4.3
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce258a8eed68976e67d3edff6f875a5c92fc200a5adb4c59cf06f26a9ccfc478
[INFO] running `Command { std: "docker" "start" "-a" "ce258a8eed68976e67d3edff6f875a5c92fc200a5adb4c59cf06f26a9ccfc478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce258a8eed68976e67d3edff6f875a5c92fc200a5adb4c59cf06f26a9ccfc478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce258a8eed68976e67d3edff6f875a5c92fc200a5adb4c59cf06f26a9ccfc478", kill_on_drop: false }`
[INFO] [stdout] ce258a8eed68976e67d3edff6f875a5c92fc200a5adb4c59cf06f26a9ccfc478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b2efc84efe06de53de1ab2e0985d2604d896feca60b972f6d2ad0b59c137ba
[INFO] running `Command { std: "docker" "start" "-a" "d3b2efc84efe06de53de1ab2e0985d2604d896feca60b972f6d2ad0b59c137ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v0.2.11
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[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]     Checking rust-ini v0.13.0
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[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking libudev v0.2.0
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[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]    Compiling draw_bridge_derive v0.1.0
[INFO] [stderr]     Checking draw_bridge v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/api.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::convert::From;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]    --> src/api.rs:103:28
[INFO] [stdout]     |
[INFO] [stdout] 103 |         use std::convert::{From, TryFrom};
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/commands.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/instructions.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/api.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::convert::From;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]    --> src/api.rs:103:28
[INFO] [stdout]     |
[INFO] [stdout] 103 |         use std::convert::{From, TryFrom};
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/commands.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/instructions.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Response` is never used
[INFO] [stdout]   --> src/api.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub trait Response {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_test_json` is never used
[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] 
[INFO] [stdout] warning: associated functions `new`, `noop`, and `fail` are never used
[INFO] [stdout]   --> src/commands.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Response {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn noop() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidCommand` is never constructed
[INFO] [stdout]   --> src/commands.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 47 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ValidationResult` is never used
[INFO] [stdout]   --> src/commands.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `validate` is never used
[INFO] [stdout]   --> src/commands.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub trait Command: fmt::Debug {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn validate(&self, _ctx: Config) -> ValidationResult {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_params` is never used
[INFO] [stdout]   --> src/commands.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait FromParams {
[INFO] [stdout]    |           ---------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn from_params(params: &[String]) -> Vec<Self::Item>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoResponse` is never used
[INFO] [stdout]   --> src/commands.rs:75:11
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub trait IntoResponse {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HomeMove`, `QueryPen`, `QuerySteps`, and `SetPen` are never constructed
[INFO] [stdout]    --> src/instructions.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub enum EBBInstruction {
[INFO] [stdout]     |          -------------- variants in this enum
[INFO] [stdout] 120 |     HomeMove,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     QueryPen,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 128 |     QuerySteps,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 129 |     SetPen(PenPosition),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_to_i32` is never used
[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 `MotorStatus` is never constructed
[INFO] [stdout]    --> src/instructions.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct MotorStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mocket` is never constructed
[INFO] [stdout]   --> src/plotter.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     struct Mocket {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `new_with_read_write`, `new_with_read`, and `new_with_write` are never used
[INFO] [stdout]    --> src/plotter.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     impl Mocket {
[INFO] [stdout]     |     ----------- associated functions in this implementation
[INFO] [stdout] 115 |         fn new() -> Self {
[INFO] [stdout]     |            ^^^
[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] 129 |         fn new_with_read(read_buf: Vec<u8>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |         fn new_with_write(write_buf: Vec<u8>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/runtime.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Context {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[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: function `describe` is never used
[INFO] [stdout]   --> src/udev.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn describe() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PRODUCT_ID` is never used
[INFO] [stdout]  --> src/udev.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MODEL` is never used
[INFO] [stdout]   --> src/udev.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static MODEL: &str = "EiBotBoard";
[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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[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 usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Response` is never used
[INFO] [stdout]   --> src/api.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub trait Response {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `noop`, and `fail` are never used
[INFO] [stdout]   --> src/commands.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Response {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn noop() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidCommand` is never constructed
[INFO] [stdout]   --> src/commands.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 47 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ValidationResult` is never used
[INFO] [stdout]   --> src/commands.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `validate` is never used
[INFO] [stdout]   --> src/commands.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub trait Command: fmt::Debug {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn validate(&self, _ctx: Config) -> ValidationResult {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_params` is never used
[INFO] [stdout]   --> src/commands.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait FromParams {
[INFO] [stdout]    |           ---------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn from_params(params: &[String]) -> Vec<Self::Item>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoResponse` is never used
[INFO] [stdout]   --> src/commands.rs:75:11
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub trait IntoResponse {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HomeMove`, `QueryMotors`, `QueryPen`, `QuerySteps`, and `SetPen` are never constructed
[INFO] [stdout]    --> src/instructions.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub enum EBBInstruction {
[INFO] [stdout]     |          -------------- variants in this enum
[INFO] [stdout] 120 |     HomeMove,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     QueryMotors,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 127 |     QueryPen,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 128 |     QuerySteps,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 129 |     SetPen(PenPosition),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_to_i32` is never used
[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 `MotorStatus` is never constructed
[INFO] [stdout]    --> src/instructions.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct MotorStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/runtime.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Context {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[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: function `describe` is never used
[INFO] [stdout]   --> src/udev.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn describe() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PRODUCT_ID` is never used
[INFO] [stdout]  --> src/udev.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MODEL` is never used
[INFO] [stdout]   --> src/udev.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static MODEL: &str = "EiBotBoard";
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "d3b2efc84efe06de53de1ab2e0985d2604d896feca60b972f6d2ad0b59c137ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b2efc84efe06de53de1ab2e0985d2604d896feca60b972f6d2ad0b59c137ba", kill_on_drop: false }`
[INFO] [stdout] d3b2efc84efe06de53de1ab2e0985d2604d896feca60b972f6d2ad0b59c137ba
[INFO] checking draw_bridge-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate draw_bridge 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate draw_bridge 0.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-7-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6620330ec624d343cf5da1a6d085ce2b403d2f9f694838a82828d8adc6c2a6a
[INFO] running `Command { std: "docker" "start" "-a" "a6620330ec624d343cf5da1a6d085ce2b403d2f9f694838a82828d8adc6c2a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6620330ec624d343cf5da1a6d085ce2b403d2f9f694838a82828d8adc6c2a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6620330ec624d343cf5da1a6d085ce2b403d2f9f694838a82828d8adc6c2a6a", kill_on_drop: false }`
[INFO] [stdout] a6620330ec624d343cf5da1a6d085ce2b403d2f9f694838a82828d8adc6c2a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a08a48f71d00e42deddf2b4a925307fe197223515134bee9e182237d3de89b2
[INFO] running `Command { std: "docker" "start" "-a" "6a08a48f71d00e42deddf2b4a925307fe197223515134bee9e182237d3de89b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]    Compiling draw_bridge_derive v0.1.0
[INFO] [stderr]     Checking draw_bridge v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/api.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::convert::From;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]    --> src/api.rs:103:28
[INFO] [stdout]     |
[INFO] [stdout] 103 |         use std::convert::{From, TryFrom};
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout]    --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/commands.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/instructions.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/api.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::convert::From;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]    --> src/api.rs:103:28
[INFO] [stdout]     |
[INFO] [stdout] 103 |         use std::convert::{From, TryFrom};
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout]    --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/commands.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/instructions.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::convert::{From, TryFrom};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Response` is never used
[INFO] [stdout]   --> src/api.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub trait Response {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `noop`, and `fail` are never used
[INFO] [stdout]   --> src/commands.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Response {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn noop() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidCommand` is never constructed
[INFO] [stdout]   --> src/commands.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 47 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ValidationResult` is never used
[INFO] [stdout]   --> src/commands.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `validate` is never used
[INFO] [stdout]   --> src/commands.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub trait Command: fmt::Debug {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn validate(&self, _ctx: Config) -> ValidationResult {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_params` is never used
[INFO] [stdout]   --> src/commands.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait FromParams {
[INFO] [stdout]    |           ---------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn from_params(params: &[String]) -> Vec<Self::Item>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoResponse` is never used
[INFO] [stdout]   --> src/commands.rs:75:11
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub trait IntoResponse {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HomeMove`, `QueryMotors`, `QueryPen`, `QuerySteps`, and `SetPen` are never constructed
[INFO] [stdout]    --> src/instructions.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub enum EBBInstruction {
[INFO] [stdout]     |          -------------- variants in this enum
[INFO] [stdout] 120 |     HomeMove,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     QueryMotors,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 127 |     QueryPen,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 128 |     QuerySteps,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 129 |     SetPen(PenPosition),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_to_i32` is never used
[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 `MotorStatus` is never constructed
[INFO] [stdout]    --> src/instructions.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct MotorStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/runtime.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Context {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[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: function `describe` is never used
[INFO] [stdout]   --> src/udev.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn describe() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PRODUCT_ID` is never used
[INFO] [stdout]  --> src/udev.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MODEL` is never used
[INFO] [stdout]   --> src/udev.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static MODEL: &str = "EiBotBoard";
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Response` is never used
[INFO] [stdout]   --> src/api.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub trait Response {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_test_json` is never used
[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] 
[INFO] [stdout] warning: associated functions `new`, `noop`, and `fail` are never used
[INFO] [stdout]   --> src/commands.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Response {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn noop() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidCommand` is never constructed
[INFO] [stdout]   --> src/commands.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 47 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ValidationResult` is never used
[INFO] [stdout]   --> src/commands.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `validate` is never used
[INFO] [stdout]   --> src/commands.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub trait Command: fmt::Debug {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn validate(&self, _ctx: Config) -> ValidationResult {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_params` is never used
[INFO] [stdout]   --> src/commands.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait FromParams {
[INFO] [stdout]    |           ---------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn from_params(params: &[String]) -> Vec<Self::Item>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoResponse` is never used
[INFO] [stdout]   --> src/commands.rs:75:11
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub trait IntoResponse {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HomeMove`, `QueryPen`, `QuerySteps`, and `SetPen` are never constructed
[INFO] [stdout]    --> src/instructions.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub enum EBBInstruction {
[INFO] [stdout]     |          -------------- variants in this enum
[INFO] [stdout] 120 |     HomeMove,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     QueryPen,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 128 |     QuerySteps,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 129 |     SetPen(PenPosition),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_to_i32` is never used
[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 `MotorStatus` is never constructed
[INFO] [stdout]    --> src/instructions.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct MotorStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mocket` is never constructed
[INFO] [stdout]   --> src/plotter.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     struct Mocket {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `new_with_read_write`, `new_with_read`, and `new_with_write` are never used
[INFO] [stdout]    --> src/plotter.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     impl Mocket {
[INFO] [stdout]     |     ----------- associated functions in this implementation
[INFO] [stdout] 115 |         fn new() -> Self {
[INFO] [stdout]     |            ^^^
[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] 129 |         fn new_with_read(read_buf: Vec<u8>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |         fn new_with_write(write_buf: Vec<u8>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/runtime.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Context {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[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: function `describe` is never used
[INFO] [stdout]   --> src/udev.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn describe() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PRODUCT_ID` is never used
[INFO] [stdout]  --> src/udev.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MODEL` is never used
[INFO] [stdout]   --> src/udev.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static MODEL: &str = "EiBotBoard";
[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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[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 usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "6a08a48f71d00e42deddf2b4a925307fe197223515134bee9e182237d3de89b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a08a48f71d00e42deddf2b4a925307fe197223515134bee9e182237d3de89b2", kill_on_drop: false }`
[INFO] [stdout] 6a08a48f71d00e42deddf2b4a925307fe197223515134bee9e182237d3de89b2