[INFO] cloning repository https://github.com/HMPerson1/plotany
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HMPerson1/plotany" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHMPerson1%2Fplotany", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHMPerson1%2Fplotany'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0652f1623725b5273dbf158333068cb7f2fc3c59
[INFO] checking HMPerson1/plotany against nightly-2024-02-05 for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHMPerson1%2Fplotany" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HMPerson1/plotany on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HMPerson1/plotany
[INFO] finished tweaking git repo https://github.com/HMPerson1/plotany
[INFO] tweaked toml for git repo https://github.com/HMPerson1/plotany written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/HMPerson1/plotany 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06479ef5228b7c52b34869752931dd1e5ee37f34d4c969a46efe8d5fd0a43f17
[INFO] running `Command { std: "docker" "start" "-a" "06479ef5228b7c52b34869752931dd1e5ee37f34d4c969a46efe8d5fd0a43f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06479ef5228b7c52b34869752931dd1e5ee37f34d4c969a46efe8d5fd0a43f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06479ef5228b7c52b34869752931dd1e5ee37f34d4c969a46efe8d5fd0a43f17", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "9f1e76da008344da3db47e2c402b832c6d719fd00b9b5624bd479b5abe332233", kill_on_drop: false }`
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[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.14.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.9
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[INFO] [stderr]    Compiling gtk-sys v0.14.0
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[INFO] [stderr]    Compiling plotany v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused import: `self::__parse__Expr::ExprParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:2711:9
[INFO] [stdout]      |
[INFO] [stdout] 2711 | pub use self::__parse__Expr::ExprParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Expr::ExprParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:2711:9
[INFO] [stdout]      |
[INFO] [stdout] 2711 | pub use self::__parse__Expr::ExprParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn main0() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn main0() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/expr.rs:258:51
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn bind2(self, v1: &str, v2: &str) -> Box<FnMut(f64, f64) -> f64> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn bind2(self, v1: &str, v2: &str) -> Box<dyn FnMut(f64, f64) -> f64> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn main0() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn main0() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/expr.rs:258:51
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn bind2(self, v1: &str, v2: &str) -> Box<FnMut(f64, f64) -> f64> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn bind2(self, v1: &str, v2: &str) -> Box<dyn FnMut(f64, f64) -> f64> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let eq: Rc<RefCell<Option<Box<FnMut(f64, f64) -> f64>>>> = Default::default();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let eq: Rc<RefCell<Option<Box<dyn FnMut(f64, f64) -> f64>>>> = Default::default();
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let eq: Rc<RefCell<Option<Box<FnMut(f64, f64) -> f64>>>> = Default::default();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let eq: Rc<RefCell<Option<Box<dyn FnMut(f64, f64) -> f64>>>> = Default::default();
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry_stack`
[INFO] [stdout]   --> src/main.rs:56:31
[INFO] [stdout]    |
[INFO] [stdout] 56 | ...                   entry_stack: gtk::Stack,
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `entry_stack` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/main.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |               let $n : $t = $b.object(stringify!($n))
[INFO] [stdout]    |                   ^^
[INFO] [stdout] ...
[INFO] [stdout] 53 | /     get_objects_from_builder!(builder,
[INFO] [stdout] 54 | |                               window: gtk::Window,
[INFO] [stdout] 55 | |                               drawing: gtk::DrawingArea,
[INFO] [stdout] 56 | |                               entry_stack: gtk::Stack,
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |                               info_label: gtk::Label,
[INFO] [stdout] 65 | |                               info_bar_revealer: gtk::Revealer);
[INFO] [stdout]    | |_______________________________________________________________- in this macro invocation
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `get_objects_from_builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry_stack`
[INFO] [stdout]   --> src/main.rs:56:31
[INFO] [stdout]    |
[INFO] [stdout] 56 | ...                   entry_stack: gtk::Stack,
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `entry_stack` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/main.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |               let $n : $t = $b.object(stringify!($n))
[INFO] [stdout]    |                   ^^
[INFO] [stdout] ...
[INFO] [stdout] 53 | /     get_objects_from_builder!(builder,
[INFO] [stdout] 54 | |                               window: gtk::Window,
[INFO] [stdout] 55 | |                               drawing: gtk::DrawingArea,
[INFO] [stdout] 56 | |                               entry_stack: gtk::Stack,
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |                               info_label: gtk::Label,
[INFO] [stdout] 65 | |                               info_bar_revealer: gtk::Revealer);
[INFO] [stdout]    | |_______________________________________________________________- in this macro invocation
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `get_objects_from_builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnknownVar` is never constructed
[INFO] [stdout]    --> src/expr.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub enum EvalError<'a> {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] 107 |     UnknownVar(&'a str),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval_diff` is never used
[INFO] [stdout]    --> src/expr.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl Equation {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn eval_diff<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]    --> src/expr.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Expr {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 126 |     pub fn eval<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]    --> src/expr.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 232 | impl BaseExpr<String> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 233 |     pub fn eval<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_var` and `eval` are never used
[INFO] [stdout]    --> src/expr.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl CompiledExpr {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn set_var(&mut self, name: &str, value: f64) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 |     pub fn eval(&self) -> f64 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:1825:16
[INFO] [stdout]      |
[INFO] [stdout] 1824 |     impl ExprParser {
[INFO] [stdout]      |     --------------- associated function in this implementation
[INFO] [stdout] 1825 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnknownVar` is never constructed
[INFO] [stdout]    --> src/expr.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub enum EvalError<'a> {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] 107 |     UnknownVar(&'a str),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval_diff` is never used
[INFO] [stdout]    --> src/expr.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl Equation {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn eval_diff<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]    --> src/expr.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Expr {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 126 |     pub fn eval<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]    --> src/expr.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 232 | impl BaseExpr<String> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 233 |     pub fn eval<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_var` and `eval` are never used
[INFO] [stdout]    --> src/expr.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl CompiledExpr {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn set_var(&mut self, name: &str, value: f64) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 |     pub fn eval(&self) -> f64 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:1825:16
[INFO] [stdout]      |
[INFO] [stdout] 1824 |     impl ExprParser {
[INFO] [stdout]      |     --------------- associated function in this implementation
[INFO] [stdout] 1825 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ctx.paint();
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let _ = ctx.paint();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ctx.save();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let _ = ctx.save();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ctx.stroke();
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = ctx.stroke();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ctx.restore();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let _ = ctx.restore();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     ctx.save();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = ctx.save();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     ctx.stroke();
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let _ = ctx.stroke();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     ctx.restore();
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let _ = ctx.restore();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ctx.paint();
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let _ = ctx.paint();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ctx.save();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let _ = ctx.save();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ctx.stroke();
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = ctx.stroke();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ctx.restore();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let _ = ctx.restore();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     ctx.save();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = ctx.save();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     ctx.stroke();
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let _ = ctx.stroke();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     ctx.restore();
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let _ = ctx.restore();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.6
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9f1e76da008344da3db47e2c402b832c6d719fd00b9b5624bd479b5abe332233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1e76da008344da3db47e2c402b832c6d719fd00b9b5624bd479b5abe332233", kill_on_drop: false }`
[INFO] [stdout] 9f1e76da008344da3db47e2c402b832c6d719fd00b9b5624bd479b5abe332233
[INFO] checking HMPerson1/plotany against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHMPerson1%2Fplotany" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HMPerson1/plotany on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HMPerson1/plotany
[INFO] finished tweaking git repo https://github.com/HMPerson1/plotany
[INFO] tweaked toml for git repo https://github.com/HMPerson1/plotany written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/HMPerson1/plotany 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30590d08cc37b670f4867501aecc61add652ebb3a705f3156dc579364cf381a7
[INFO] running `Command { std: "docker" "start" "-a" "30590d08cc37b670f4867501aecc61add652ebb3a705f3156dc579364cf381a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30590d08cc37b670f4867501aecc61add652ebb3a705f3156dc579364cf381a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30590d08cc37b670f4867501aecc61add652ebb3a705f3156dc579364cf381a7", kill_on_drop: false }`
[INFO] [stdout] 30590d08cc37b670f4867501aecc61add652ebb3a705f3156dc579364cf381a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] d193db057cf956ae95ba48172d23e70de6f29d9b1e6089eb86483d25dc22b2b4
[INFO] running `Command { std: "docker" "start" "-a" "d193db057cf956ae95ba48172d23e70de6f29d9b1e6089eb86483d25dc22b2b4", kill_on_drop: false }`
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[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling string_cache v0.8.2
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling gtk v0.14.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking ndarray v0.15.3
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling lalrpop-util v0.19.6
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling system-deps v3.2.0
[INFO] [stderr]    Compiling glib-macros v0.14.1
[INFO] [stderr]    Compiling gtk3-macros v0.14.0
[INFO] [stderr]    Compiling glib-sys v0.14.0
[INFO] [stderr]    Compiling gobject-sys v0.14.0
[INFO] [stderr]    Compiling gio-sys v0.14.0
[INFO] [stderr]    Compiling pango-sys v0.14.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.9
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.14.0
[INFO] [stderr]    Compiling gdk-sys v0.14.0
[INFO] [stderr]    Compiling atk-sys v0.14.0
[INFO] [stderr]    Compiling gtk-sys v0.14.0
[INFO] [stderr]     Checking glib v0.14.8
[INFO] [stderr]    Compiling plotany v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cairo-rs v0.14.9
[INFO] [stderr]     Checking pango v0.14.8
[INFO] [stderr]     Checking atk v0.14.0
[INFO] [stderr]     Checking gdk-pixbuf v0.14.0
[INFO] [stderr]     Checking gdk v0.14.3
[INFO] [stdout] error: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "cargo-clippy", warn(clippy,clippy_pedantic))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "cargo-clippy", allow(missing_docs_in_private_items))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/main.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(feature = "cargo-clippy", allow(clippy,clippy_pedantic))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:1370:12
[INFO] [stdout]      |
[INFO] [stdout] 1370 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]      |            ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:2712:12
[INFO] [stdout]      |
[INFO] [stdout] 2712 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]      |            ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "cargo-clippy", warn(clippy,clippy_pedantic))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "cargo-clippy", allow(missing_docs_in_private_items))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/main.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(feature = "cargo-clippy", allow(clippy,clippy_pedantic))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:1370:12
[INFO] [stdout]      |
[INFO] [stdout] 1370 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]      |            ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:2712:12
[INFO] [stdout]      |
[INFO] [stdout] 2712 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]      |            ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Expr::ExprParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:2711:9
[INFO] [stdout]      |
[INFO] [stdout] 2711 | pub use self::__parse__Expr::ExprParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Expr::ExprParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:2711:9
[INFO] [stdout]      |
[INFO] [stdout] 2711 | pub use self::__parse__Expr::ExprParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn main0() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn main0() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/expr.rs:258:51
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn bind2(self, v1: &str, v2: &str) -> Box<FnMut(f64, f64) -> f64> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn bind2(self, v1: &str, v2: &str) -> Box<dyn FnMut(f64, f64) -> f64> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn main0() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn main0() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/expr.rs:258:51
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn bind2(self, v1: &str, v2: &str) -> Box<FnMut(f64, f64) -> f64> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn bind2(self, v1: &str, v2: &str) -> Box<dyn FnMut(f64, f64) -> f64> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let eq: Rc<RefCell<Option<Box<FnMut(f64, f64) -> f64>>>> = Default::default();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let eq: Rc<RefCell<Option<Box<dyn FnMut(f64, f64) -> f64>>>> = Default::default();
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let eq: Rc<RefCell<Option<Box<FnMut(f64, f64) -> f64>>>> = Default::default();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let eq: Rc<RefCell<Option<Box<dyn FnMut(f64, f64) -> f64>>>> = Default::default();
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry_stack`
[INFO] [stdout]   --> src/main.rs:56:31
[INFO] [stdout]    |
[INFO] [stdout] 56 | ...                   entry_stack: gtk::Stack,
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `entry_stack` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/main.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |               let $n : $t = $b.object(stringify!($n))
[INFO] [stdout]    |                   ^^
[INFO] [stdout] ...
[INFO] [stdout] 53 | /     get_objects_from_builder!(builder,
[INFO] [stdout] 54 | |                               window: gtk::Window,
[INFO] [stdout] 55 | |                               drawing: gtk::DrawingArea,
[INFO] [stdout] 56 | |                               entry_stack: gtk::Stack,
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |                               info_label: gtk::Label,
[INFO] [stdout] 65 | |                               info_bar_revealer: gtk::Revealer);
[INFO] [stdout]    | |_______________________________________________________________- in this macro invocation
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `get_objects_from_builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnknownVar` is never constructed
[INFO] [stdout]    --> src/expr.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub enum EvalError<'a> {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] 107 |     UnknownVar(&'a str),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval_diff` is never used
[INFO] [stdout]    --> src/expr.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl Equation {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn eval_diff<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]    --> src/expr.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Expr {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 126 |     pub fn eval<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]    --> src/expr.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 232 | impl BaseExpr<String> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 233 |     pub fn eval<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_var` and `eval` are never used
[INFO] [stdout]    --> src/expr.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl CompiledExpr {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn set_var(&mut self, name: &str, value: f64) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 |     pub fn eval(&self) -> f64 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:1825:16
[INFO] [stdout]      |
[INFO] [stdout] 1824 |     impl ExprParser {
[INFO] [stdout]      |     --------------- associated function in this implementation
[INFO] [stdout] 1825 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry_stack`
[INFO] [stdout]   --> src/main.rs:56:31
[INFO] [stdout]    |
[INFO] [stdout] 56 | ...                   entry_stack: gtk::Stack,
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `entry_stack` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/main.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |               let $n : $t = $b.object(stringify!($n))
[INFO] [stdout]    |                   ^^
[INFO] [stdout] ...
[INFO] [stdout] 53 | /     get_objects_from_builder!(builder,
[INFO] [stdout] 54 | |                               window: gtk::Window,
[INFO] [stdout] 55 | |                               drawing: gtk::DrawingArea,
[INFO] [stdout] 56 | |                               entry_stack: gtk::Stack,
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |                               info_label: gtk::Label,
[INFO] [stdout] 65 | |                               info_bar_revealer: gtk::Revealer);
[INFO] [stdout]    | |_______________________________________________________________- in this macro invocation
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `get_objects_from_builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnknownVar` is never constructed
[INFO] [stdout]    --> src/expr.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub enum EvalError<'a> {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] 107 |     UnknownVar(&'a str),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval_diff` is never used
[INFO] [stdout]    --> src/expr.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl Equation {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn eval_diff<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]    --> src/expr.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Expr {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 126 |     pub fn eval<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]    --> src/expr.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 232 | impl BaseExpr<String> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 233 |     pub fn eval<S: BuildHasher>(&self, env: &HashMap<&str, f64, S>) -> Result<f64, EvalError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_var` and `eval` are never used
[INFO] [stdout]    --> src/expr.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl CompiledExpr {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn set_var(&mut self, name: &str, value: f64) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 |     pub fn eval(&self) -> f64 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/plotany-a40849bddfe80f58/out/expr_parser.rs:1825:16
[INFO] [stdout]      |
[INFO] [stdout] 1824 |     impl ExprParser {
[INFO] [stdout]      |     --------------- associated function in this implementation
[INFO] [stdout] 1825 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ctx.paint();
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let _ = ctx.paint();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ctx.save();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let _ = ctx.save();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ctx.stroke();
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = ctx.stroke();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ctx.restore();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let _ = ctx.restore();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     ctx.save();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = ctx.save();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     ctx.stroke();
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let _ = ctx.stroke();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     ctx.restore();
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let _ = ctx.restore();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ctx.paint();
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let _ = ctx.paint();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ctx.save();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let _ = ctx.save();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ctx.stroke();
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = ctx.stroke();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/marching_squares.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ctx.restore();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let _ = ctx.restore();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     ctx.save();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = ctx.save();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     ctx.stroke();
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let _ = ctx.stroke();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/marching_squares.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     ctx.restore();
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let _ = ctx.restore();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plotany` (bin "plotany" test) due to 7 previous errors; 18 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plotany` (bin "plotany") due to 7 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d193db057cf956ae95ba48172d23e70de6f29d9b1e6089eb86483d25dc22b2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d193db057cf956ae95ba48172d23e70de6f29d9b1e6089eb86483d25dc22b2b4", kill_on_drop: false }`
[INFO] [stdout] d193db057cf956ae95ba48172d23e70de6f29d9b1e6089eb86483d25dc22b2b4