[INFO] cloning repository https://github.com/idealistos/poly_algebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idealistos/poly_algebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidealistos%2Fpoly_algebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidealistos%2Fpoly_algebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79fb96c4eef42e7c5efb0cbab9576e2c03af5756
[INFO] checking idealistos/poly_algebra against master#80b898258da78fdd1262438126aa0cf90e395f0c for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidealistos%2Fpoly_algebra" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/idealistos/poly_algebra
[INFO] finished tweaking git repo https://github.com/idealistos/poly_algebra
[INFO] tweaked toml for git repo https://github.com/idealistos/poly_algebra written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/idealistos/poly_algebra on toolchain 80b898258da78fdd1262438126aa0cf90e395f0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/idealistos/poly_algebra 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" "+80b898258da78fdd1262438126aa0cf90e395f0c" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "664fdb88480856ca6b4b61142c594e9a1be84fe67d47a517795de9246e0ecb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "664fdb88480856ca6b4b61142c594e9a1be84fe67d47a517795de9246e0ecb65", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/elimination.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:308:26
[INFO] [stdout]     |
[INFO] [stdout] 308 |                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 308 -                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout] 308 +                 .map(|c| "line".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:331:26
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 331 -                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout] 331 +                 .map(|c| "line".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:354:26
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 354 -                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout] 354 +                 .map(|c| "line".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:377:26
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 377 -                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout] 377 +                 .map(|c| "line".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:412:26
[INFO] [stdout]     |
[INFO] [stdout] 412 |                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 412 -                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout] 412 +                 .map(|c| "inv".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:437:26
[INFO] [stdout]     |
[INFO] [stdout] 437 |                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 437 -                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout] 437 +                 .map(|c| "inv".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:453:26
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 453 -                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout] 453 +                 .map(|c| "inv".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:468:26
[INFO] [stdout]     |
[INFO] [stdout] 468 |                 .map(|c| ("locus".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 468 -                 .map(|c| ("locus".to_string() + &c.to_string()))
[INFO] [stdout] 468 +                 .map(|c| "locus".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:308:26
[INFO] [stdout]     |
[INFO] [stdout] 308 |                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 308 -                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout] 308 +                 .map(|c| "line".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:331:26
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 331 -                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout] 331 +                 .map(|c| "line".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:354:26
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 354 -                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout] 354 +                 .map(|c| "line".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:377:26
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 377 -                 .map(|c| ("line".to_string() + &c.to_string()))
[INFO] [stdout] 377 +                 .map(|c| "line".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:412:26
[INFO] [stdout]     |
[INFO] [stdout] 412 |                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 412 -                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout] 412 +                 .map(|c| "inv".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:437:26
[INFO] [stdout]     |
[INFO] [stdout] 437 |                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 437 -                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout] 437 +                 .map(|c| "inv".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:453:26
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 453 -                 .map(|c| ("inv".to_string() + &c.to_string()))
[INFO] [stdout] 453 +                 .map(|c| "inv".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/service.rs:468:26
[INFO] [stdout]     |
[INFO] [stdout] 468 |                 .map(|c| ("locus".to_string() + &c.to_string()))
[INFO] [stdout]     |                          ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 468 -                 .map(|c| ("locus".to_string() + &c.to_string()))
[INFO] [stdout] 468 +                 .map(|c| "locus".to_string() + &c.to_string() )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `degree_a` is never read
[INFO] [stdout]   --> src/elimination.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct EliminationStep {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub degree_a: u32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EliminationStep` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `gcd` is never read
[INFO] [stdout]   --> src/poly/poly_operations.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ReductionResult {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub gcd: Rc<Poly>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReductionResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_derivative` is never used
[INFO] [stdout]   --> src/poly/poly_operations.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait PolyOperations {
[INFO] [stdout]    |           -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn get_derivative(&self, v: u8) -> Poly;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `plot_to_file` is never used
[INFO] [stdout]    --> src/poly_draw.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl XYPolyDraw {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn plot_to_file(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PlotPoint` is never constructed
[INFO] [stdout]   --> src/service.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct PlotPoint {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `compute_determinant`, `resultant`, `points_at_fixed_x`, and `points_at_fixed_y` are never used
[INFO] [stdout]    --> src/x_poly.rs:491:8
[INFO] [stdout]     |
[INFO] [stdout] 406 | impl XYPoly {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 491 |     fn compute_determinant(matrix: &mut [Vec<XPoly>]) -> XPoly {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 538 |     pub fn resultant(&self, other: &XYPoly) -> XPoly {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 607 |     pub fn points_at_fixed_x(&self, x: f64, y_low: f64, y_high: f64) -> Vec<FInt> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 618 |     pub fn points_at_fixed_y(&self, y: f64, x_low: f64, x_high: f64) -> Vec<FInt> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/poly/poly_conversion.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn with_full_display(&self) -> PolyWithFullDisplay;
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn with_full_display(&self) -> PolyWithFullDisplay<'_>;
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/poly/poly_conversion.rs:216:26
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn with_full_display(&self) -> PolyWithFullDisplay {
[INFO] [stdout]     |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn with_full_display(&self) -> PolyWithFullDisplay<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `plot_to_file` is never used
[INFO] [stdout]    --> src/poly_draw.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl XYPolyDraw {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn plot_to_file(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PlotPoint` is never constructed
[INFO] [stdout]   --> src/service.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct PlotPoint {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/poly/poly_conversion.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn with_full_display(&self) -> PolyWithFullDisplay;
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn with_full_display(&self) -> PolyWithFullDisplay<'_>;
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/poly/poly_conversion.rs:216:26
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn with_full_display(&self) -> PolyWithFullDisplay {
[INFO] [stdout]     |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn with_full_display(&self) -> PolyWithFullDisplay<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "5b354ee3fac4d2b09a8facf9f7e7326a16b9f71413028dc13e9b2703df3431aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b354ee3fac4d2b09a8facf9f7e7326a16b9f71413028dc13e9b2703df3431aa", kill_on_drop: false }`
[INFO] [stdout] 5b354ee3fac4d2b09a8facf9f7e7326a16b9f71413028dc13e9b2703df3431aa
