[INFO] cloning repository https://github.com/GiovanniKarra/MatrixCompletion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GiovanniKarra/MatrixCompletion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiovanniKarra%2FMatrixCompletion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiovanniKarra%2FMatrixCompletion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3e195bf8b77175461d1387e5e58c7b4f5c1cf9d
[INFO] testing GiovanniKarra/MatrixCompletion against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiovanniKarra%2FMatrixCompletion" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GiovanniKarra/MatrixCompletion
[INFO] finished tweaking git repo https://github.com/GiovanniKarra/MatrixCompletion
[INFO] tweaked toml for git repo https://github.com/GiovanniKarra/MatrixCompletion written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GiovanniKarra/MatrixCompletion on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GiovanniKarra/MatrixCompletion 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.5.45
[INFO] [stderr]   Downloaded oorandom v11.1.4
[INFO] [stderr]   Downloaded clap_builder v4.5.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 967577b5b7ef6231671c7ab2ef668a238609f07d6633170eeb26f4fe682be80c
[INFO] running `Command { std: "docker" "start" "-a" "967577b5b7ef6231671c7ab2ef668a238609f07d6633170eeb26f4fe682be80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "967577b5b7ef6231671c7ab2ef668a238609f07d6633170eeb26f4fe682be80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967577b5b7ef6231671c7ab2ef668a238609f07d6633170eeb26f4fe682be80c", kill_on_drop: false }`
[INFO] [stdout] 967577b5b7ef6231671c7ab2ef668a238609f07d6633170eeb26f4fe682be80c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 475a1ad627415f0832df94bf35c6f555a069fa03ce85ab8101ed3f9f43e81276
[INFO] running `Command { std: "docker" "start" "-a" "475a1ad627415f0832df94bf35c6f555a069fa03ce85ab8101ed3f9f43e81276", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling libmatcompl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `max_iter`
[INFO] [stdout]   --> src/opti/solver.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let max_iter = 100;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/opti/mod.rs:89:2
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct Constraint<T: Float, A: ConstraintMatrix<T>> {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 89 |     a: A,
[INFO] [stdout]    |     ^
[INFO] [stdout] 90 |     b: Matrix<T>
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/opti/mod.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl<T: Float, A: ConstraintMatrix<T>> Constraint<T, A> {
[INFO] [stdout]    | ------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 94 |     fn new(a: A, b: Matrix<T>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `obj`, `grad`, and `hess` are never read
[INFO] [stdout]    --> src/opti/mod.rs:101:2
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Objective<T: Float, I> {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 101 |     obj: fn(&I) -> T,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 102 |     grad: Option<fn(&I) -> Matrix<T>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 103 |     hess: Option<fn(&I) -> Matrix<T>>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/opti/mod.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl<T: Float, I> Objective<T, I> {
[INFO] [stdout]     | --------------------------------- associated function in this implementation
[INFO] [stdout] 107 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `obj`, `constraint`, `cone`, and `size` are never read
[INFO] [stdout]    --> src/opti/mod.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct ConicOptiProblem<T, C, A>
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 119 | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout] 120 |     obj: Objective<T, C::Input>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 121 |     constraint: Option<Constraint<T, A>>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 122 |     cone: C,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 123 |     size: usize
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConicOptiProblemBuilder` is never constructed
[INFO] [stdout]    --> src/opti/mod.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | struct ConicOptiProblemBuilder<T, C, A>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `cone` are never used
[INFO] [stdout]    --> src/opti/mod.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 134 | / impl<T, A> ConicOptiProblemBuilder<T, DefaultCone, A>
[INFO] [stdout] 135 | | where T: Float, A: ConstraintMatrix<T> {
[INFO] [stdout]     | |______________________________________- associated items in this implementation
[INFO] [stdout] 136 |       fn new() -> Self {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |       fn cone<C: Cone<T>>(self, cone: C) -> ConicOptiProblemBuilder<T, C, A> {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `objective`, `constraint_a`, and `constraint_b` are never used
[INFO] [stdout]    --> src/opti/mod.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | / impl<T, C, A> ConicOptiProblemBuilder<T, C, A>
[INFO] [stdout] 156 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]     | |____________________________________________________________________- methods in this implementation
[INFO] [stdout] 157 |       fn objective(
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |       fn constraint_a(mut self, a: A) -> Self {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |       fn constraint_b(mut self, b: Matrix<T>) -> Self {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `build` is never used
[INFO] [stdout]    --> src/opti/mod.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | / impl<T, C, A> ConicOptiProblemBuilder<T, C, A>
[INFO] [stdout] 189 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]     | |____________________________________________________________________- method in this implementation
[INFO] [stdout] 190 |       fn build(self) -> ConicOptiProblem<T, C, A> {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `builder` is never used
[INFO] [stdout]    --> src/opti/mod.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 209 | / impl<T, C, A> ConicOptiProblem<T, C, A>
[INFO] [stdout] 210 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]     | |____________________________________________________________________- associated function in this implementation
[INFO] [stdout] 211 |       fn builder<B: ConstraintMatrix<T>>() -> ConicOptiProblemBuilder<T, DefaultCone, B> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver` is never constructed
[INFO] [stdout]  --> src/opti/solver.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Solver;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `short_step_algorithm` is never used
[INFO] [stdout]   --> src/opti/solver.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<T, C, A> ConicOptiProblem<T, C, A>
[INFO] [stdout] 12 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]    | |____________________________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |       fn short_step_algorithm(&self, eps: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/linalg/matrix/mod.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/linalg/matrix/mod.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "475a1ad627415f0832df94bf35c6f555a069fa03ce85ab8101ed3f9f43e81276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475a1ad627415f0832df94bf35c6f555a069fa03ce85ab8101ed3f9f43e81276", kill_on_drop: false }`
[INFO] [stdout] 475a1ad627415f0832df94bf35c6f555a069fa03ce85ab8101ed3f9f43e81276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81356dbc54c2c963e7ad33616c8bf14f79c3a0675521b1bb6348e5e146989c01
[INFO] running `Command { std: "docker" "start" "-a" "81356dbc54c2c963e7ad33616c8bf14f79c3a0675521b1bb6348e5e146989c01", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.44
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling libmatcompl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `max_iter`
[INFO] [stdout]   --> src/opti/solver.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let max_iter = 100;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/opti/mod.rs:89:2
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct Constraint<T: Float, A: ConstraintMatrix<T>> {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 89 |     a: A,
[INFO] [stdout]    |     ^
[INFO] [stdout] 90 |     b: Matrix<T>
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/opti/mod.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl<T: Float, A: ConstraintMatrix<T>> Constraint<T, A> {
[INFO] [stdout]    | ------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 94 |     fn new(a: A, b: Matrix<T>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `obj`, `grad`, and `hess` are never read
[INFO] [stdout]    --> src/opti/mod.rs:101:2
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Objective<T: Float, I> {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 101 |     obj: fn(&I) -> T,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 102 |     grad: Option<fn(&I) -> Matrix<T>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 103 |     hess: Option<fn(&I) -> Matrix<T>>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/opti/mod.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl<T: Float, I> Objective<T, I> {
[INFO] [stdout]     | --------------------------------- associated function in this implementation
[INFO] [stdout] 107 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `obj`, `constraint`, `cone`, and `size` are never read
[INFO] [stdout]    --> src/opti/mod.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct ConicOptiProblem<T, C, A>
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 119 | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout] 120 |     obj: Objective<T, C::Input>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 121 |     constraint: Option<Constraint<T, A>>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 122 |     cone: C,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 123 |     size: usize
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConicOptiProblemBuilder` is never constructed
[INFO] [stdout]    --> src/opti/mod.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | struct ConicOptiProblemBuilder<T, C, A>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `cone` are never used
[INFO] [stdout]    --> src/opti/mod.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 134 | / impl<T, A> ConicOptiProblemBuilder<T, DefaultCone, A>
[INFO] [stdout] 135 | | where T: Float, A: ConstraintMatrix<T> {
[INFO] [stdout]     | |______________________________________- associated items in this implementation
[INFO] [stdout] 136 |       fn new() -> Self {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |       fn cone<C: Cone<T>>(self, cone: C) -> ConicOptiProblemBuilder<T, C, A> {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `objective`, `constraint_a`, and `constraint_b` are never used
[INFO] [stdout]    --> src/opti/mod.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | / impl<T, C, A> ConicOptiProblemBuilder<T, C, A>
[INFO] [stdout] 156 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]     | |____________________________________________________________________- methods in this implementation
[INFO] [stdout] 157 |       fn objective(
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |       fn constraint_a(mut self, a: A) -> Self {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |       fn constraint_b(mut self, b: Matrix<T>) -> Self {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `build` is never used
[INFO] [stdout]    --> src/opti/mod.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | / impl<T, C, A> ConicOptiProblemBuilder<T, C, A>
[INFO] [stdout] 189 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]     | |____________________________________________________________________- method in this implementation
[INFO] [stdout] 190 |       fn build(self) -> ConicOptiProblem<T, C, A> {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `builder` is never used
[INFO] [stdout]    --> src/opti/mod.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 209 | / impl<T, C, A> ConicOptiProblem<T, C, A>
[INFO] [stdout] 210 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]     | |____________________________________________________________________- associated function in this implementation
[INFO] [stdout] 211 |       fn builder<B: ConstraintMatrix<T>>() -> ConicOptiProblemBuilder<T, DefaultCone, B> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver` is never constructed
[INFO] [stdout]  --> src/opti/solver.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Solver;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `short_step_algorithm` is never used
[INFO] [stdout]   --> src/opti/solver.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<T, C, A> ConicOptiProblem<T, C, A>
[INFO] [stdout] 12 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]    | |____________________________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |       fn short_step_algorithm(&self, eps: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/linalg/matrix/mod.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/linalg/matrix/mod.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v4.5.45
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/opti/mod.rs:224:6
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_iter`
[INFO] [stdout]   --> src/opti/solver.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let max_iter = 100;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/opti/mod.rs:89:2
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct Constraint<T: Float, A: ConstraintMatrix<T>> {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 89 |     a: A,
[INFO] [stdout]    |     ^
[INFO] [stdout] 90 |     b: Matrix<T>
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/opti/mod.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl<T: Float, A: ConstraintMatrix<T>> Constraint<T, A> {
[INFO] [stdout]    | ------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 94 |     fn new(a: A, b: Matrix<T>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `obj`, `grad`, and `hess` are never read
[INFO] [stdout]    --> src/opti/mod.rs:101:2
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Objective<T: Float, I> {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 101 |     obj: fn(&I) -> T,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 102 |     grad: Option<fn(&I) -> Matrix<T>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 103 |     hess: Option<fn(&I) -> Matrix<T>>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/opti/mod.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl<T: Float, I> Objective<T, I> {
[INFO] [stdout]     | --------------------------------- associated function in this implementation
[INFO] [stdout] 107 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `obj`, `constraint`, `cone`, and `size` are never read
[INFO] [stdout]    --> src/opti/mod.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct ConicOptiProblem<T, C, A>
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 119 | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout] 120 |     obj: Objective<T, C::Input>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 121 |     constraint: Option<Constraint<T, A>>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 122 |     cone: C,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 123 |     size: usize
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConicOptiProblemBuilder` is never constructed
[INFO] [stdout]    --> src/opti/mod.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | struct ConicOptiProblemBuilder<T, C, A>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `cone` are never used
[INFO] [stdout]    --> src/opti/mod.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 134 | / impl<T, A> ConicOptiProblemBuilder<T, DefaultCone, A>
[INFO] [stdout] 135 | | where T: Float, A: ConstraintMatrix<T> {
[INFO] [stdout]     | |______________________________________- associated items in this implementation
[INFO] [stdout] 136 |       fn new() -> Self {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |       fn cone<C: Cone<T>>(self, cone: C) -> ConicOptiProblemBuilder<T, C, A> {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `objective`, `constraint_a`, and `constraint_b` are never used
[INFO] [stdout]    --> src/opti/mod.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | / impl<T, C, A> ConicOptiProblemBuilder<T, C, A>
[INFO] [stdout] 156 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]     | |____________________________________________________________________- methods in this implementation
[INFO] [stdout] 157 |       fn objective(
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |       fn constraint_a(mut self, a: A) -> Self {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |       fn constraint_b(mut self, b: Matrix<T>) -> Self {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `build` is never used
[INFO] [stdout]    --> src/opti/mod.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | / impl<T, C, A> ConicOptiProblemBuilder<T, C, A>
[INFO] [stdout] 189 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]     | |____________________________________________________________________- method in this implementation
[INFO] [stdout] 190 |       fn build(self) -> ConicOptiProblem<T, C, A> {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `builder` is never used
[INFO] [stdout]    --> src/opti/mod.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 209 | / impl<T, C, A> ConicOptiProblem<T, C, A>
[INFO] [stdout] 210 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]     | |____________________________________________________________________- associated function in this implementation
[INFO] [stdout] 211 |       fn builder<B: ConstraintMatrix<T>>() -> ConicOptiProblemBuilder<T, DefaultCone, B> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver` is never constructed
[INFO] [stdout]  --> src/opti/solver.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Solver;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `short_step_algorithm` is never used
[INFO] [stdout]   --> src/opti/solver.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<T, C, A> ConicOptiProblem<T, C, A>
[INFO] [stdout] 12 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stdout]    | |____________________________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |       fn short_step_algorithm(&self, eps: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/linalg/matrix/mod.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/linalg/matrix/mod.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "81356dbc54c2c963e7ad33616c8bf14f79c3a0675521b1bb6348e5e146989c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81356dbc54c2c963e7ad33616c8bf14f79c3a0675521b1bb6348e5e146989c01", kill_on_drop: false }`
[INFO] [stdout] 81356dbc54c2c963e7ad33616c8bf14f79c3a0675521b1bb6348e5e146989c01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e556c8ff9fd58be1e4b5c33beb4daabfbeccbf080ec890f4346965bceca9b63a
[INFO] running `Command { std: "docker" "start" "-a" "e556c8ff9fd58be1e4b5c33beb4daabfbeccbf080ec890f4346965bceca9b63a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `max_iter`
[INFO] [stderr]   --> src/opti/solver.rs:28:7
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let max_iter = 100;
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> src/opti/mod.rs:89:2
[INFO] [stderr]    |
[INFO] [stderr] 88 | struct Constraint<T: Float, A: ConstraintMatrix<T>> {
[INFO] [stderr]    |        ---------- fields in this struct
[INFO] [stderr] 89 |     a: A,
[INFO] [stderr]    |     ^
[INFO] [stderr] 90 |     b: Matrix<T>
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/opti/mod.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 93 | impl<T: Float, A: ConstraintMatrix<T>> Constraint<T, A> {
[INFO] [stderr]    | ------------------------------------------------------- associated function in this implementation
[INFO] [stderr] 94 |     fn new(a: A, b: Matrix<T>) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `obj`, `grad`, and `hess` are never read
[INFO] [stderr]    --> src/opti/mod.rs:101:2
[INFO] [stderr]     |
[INFO] [stderr] 100 | struct Objective<T: Float, I> {
[INFO] [stderr]     |        --------- fields in this struct
[INFO] [stderr] 101 |     obj: fn(&I) -> T,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 102 |     grad: Option<fn(&I) -> Matrix<T>>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 103 |     hess: Option<fn(&I) -> Matrix<T>>
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/opti/mod.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 106 | impl<T: Float, I> Objective<T, I> {
[INFO] [stderr]     | --------------------------------- associated function in this implementation
[INFO] [stderr] 107 |     pub fn new(
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `obj`, `constraint`, `cone`, and `size` are never read
[INFO] [stderr]    --> src/opti/mod.rs:120:2
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub struct ConicOptiProblem<T, C, A>
[INFO] [stderr]     |            ---------------- fields in this struct
[INFO] [stderr] 119 | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stderr] 120 |     obj: Objective<T, C::Input>,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 121 |     constraint: Option<Constraint<T, A>>,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 122 |     cone: C,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 123 |     size: usize
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ConicOptiProblemBuilder` is never constructed
[INFO] [stderr]    --> src/opti/mod.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 | struct ConicOptiProblemBuilder<T, C, A>
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `cone` are never used
[INFO] [stderr]    --> src/opti/mod.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 134 | / impl<T, A> ConicOptiProblemBuilder<T, DefaultCone, A>
[INFO] [stderr] 135 | | where T: Float, A: ConstraintMatrix<T> {
[INFO] [stderr]     | |______________________________________- associated items in this implementation
[INFO] [stderr] 136 |       fn new() -> Self {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 145 |       fn cone<C: Cone<T>>(self, cone: C) -> ConicOptiProblemBuilder<T, C, A> {
[INFO] [stderr]     |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `objective`, `constraint_a`, and `constraint_b` are never used
[INFO] [stderr]    --> src/opti/mod.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 155 | / impl<T, C, A> ConicOptiProblemBuilder<T, C, A>
[INFO] [stderr] 156 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stderr]     | |____________________________________________________________________- methods in this implementation
[INFO] [stderr] 157 |       fn objective(
[INFO] [stderr]     |          ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 177 |       fn constraint_a(mut self, a: A) -> Self {
[INFO] [stderr]     |          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 182 |       fn constraint_b(mut self, b: Matrix<T>) -> Self {
[INFO] [stderr]     |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `build` is never used
[INFO] [stderr]    --> src/opti/mod.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 188 | / impl<T, C, A> ConicOptiProblemBuilder<T, C, A>
[INFO] [stderr] 189 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stderr]     | |____________________________________________________________________- method in this implementation
[INFO] [stderr] 190 |       fn build(self) -> ConicOptiProblem<T, C, A> {
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `builder` is never used
[INFO] [stderr]    --> src/opti/mod.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 209 | / impl<T, C, A> ConicOptiProblem<T, C, A>
[INFO] [stderr] 210 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stderr]     | |____________________________________________________________________- associated function in this implementation
[INFO] [stderr] 211 |       fn builder<B: ConstraintMatrix<T>>() -> ConicOptiProblemBuilder<T, DefaultCone, B> {
[INFO] [stderr]     |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solver` is never constructed
[INFO] [stderr]  --> src/opti/solver.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Solver;
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `short_step_algorithm` is never used
[INFO] [stderr]   --> src/opti/solver.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | / impl<T, C, A> ConicOptiProblem<T, C, A>
[INFO] [stderr] 12 | | where T: Float, C: Cone<T>, A: ConstraintMatrix<T, Input = C::Input> {
[INFO] [stderr]    | |____________________________________________________________________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |       fn short_step_algorithm(&self, eps: f64) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/linalg/matrix/mod.rs:91:14
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stderr]    |                 ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/linalg/matrix/mod.rs:95:18
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<T> {
[INFO] [stderr]    |                     ^^^^^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
[INFO] [stderr]    |                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `libmatcompl` (lib) generated 15 warnings
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/opti/mod.rs:224:6
[INFO] [stderr]     |
[INFO] [stderr] 224 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `libmatcompl` (lib test) generated 16 warnings (15 duplicates) (run `cargo fix --lib -p libmatcompl --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libmatcompl-1a36490d8ef77872)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test linalg::matrix::ops::tests::sum1 ... ok
[INFO] [stdout] test linalg::matrix::ops::tests::sum2 ... ok
[INFO] [stdout] test linalg::matrix::ops::tests::test_mult ... ok
[INFO] [stdout] test linalg::matrix::tests::create_matrix ... ok
[INFO] [stdout] test linalg::matrix::tests::get_and_set_valid ... ok
[INFO] [stdout] test linalg::matrix::tests::get_and_set_valid_index ... ok
[INFO] [stdout] test linalg::matrix::tests::test_dot ... ok
[INFO] [stdout] test linalg::matrix::tests::test_index ... ok
[INFO] [stdout] test linalg::matrix::tests::test_solve ... ok
[INFO] [stdout] test linalg::matrix::tests::test_print ... ok
[INFO] [stdout] test opti::tests::test_linear_program ... ok
[INFO] [stdout] test linalg::matrix::ops::tests::sum_panic1 - should panic ... ok
[INFO] [stdout] test linalg::matrix::ops::tests::mult_panic - should panic ... ok
[INFO] [stdout] test linalg::matrix::tests::dot_panic - should panic ... ok
[INFO] [stdout] test linalg::matrix::ops::tests::sum_panic2 - should panic ... ok
[INFO] [stdout] test linalg::matrix::tests::get_panic2 - should panic ... ok
[INFO] [stdout] test linalg::matrix::tests::create_panic - should panic ... ok
[INFO] [stdout] test linalg::matrix::tests::get_panic1 - should panic ... ok
[INFO] [stdout] test linalg::matrix::tests::set_panic2 - should panic ... ok
[INFO] [stdout] test linalg::matrix::tests::test_solve_pivot ... FAILED
[INFO] [stdout] test linalg::matrix::tests::set_panic1 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- linalg::matrix::tests::test_solve_pivot stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'linalg::matrix::tests::test_solve_pivot' panicked at src/linalg/matrix/mod.rs:318:9:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6231363829e2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6231363829e2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6231363829e2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6231363829e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6231363a8873 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6231363a8873 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x62313637fbc3 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62313637fbc3 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x623136382832 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x623136383f4c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x623136383da2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x62313634be84 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x62313634be84 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x62313638492b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x62313638492b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x6231363846c6 - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x623136382ed9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x62313638438d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x6231363a65f0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x6231363a665c - core::panicking::panic::h318cb8731d7e290d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x62313631225a - libmatcompl::linalg::matrix::tests::test_solve_pivot::hc817547d58ff9e05
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linalg/matrix/mod.rs:318:3
[INFO] [stdout]   21:     0x6231363125a6 - libmatcompl::linalg::matrix::tests::test_solve_pivot::{{closure}}::h6fb3247c4afb298a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linalg/matrix/mod.rs:317:23
[INFO] [stdout]   22:     0x6231363125a6 - core::ops::function::FnOnce::call_once::h493b222e13653425
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x62313635160b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x62313635160b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x6231363507fe - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x6231363507fe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x6231363507fe - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x6231363507fe - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x6231363507fe - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x6231363507fe - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x6231363507fe - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x623136314374 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x623136314374 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x623136317d4a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x623136317d4a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x623136317d4a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x623136317d4a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x623136317d4a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x623136317d4a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x623136317d4a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x623136387887 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x623136387887 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x623136387887 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   44:     0x7d33d22e8aa4 - <unknown>
[INFO] [stdout]   45:     0x7d33d2375a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     linalg::matrix::tests::test_solve_pivot
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 20 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "e556c8ff9fd58be1e4b5c33beb4daabfbeccbf080ec890f4346965bceca9b63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e556c8ff9fd58be1e4b5c33beb4daabfbeccbf080ec890f4346965bceca9b63a", kill_on_drop: false }`
[INFO] [stdout] e556c8ff9fd58be1e4b5c33beb4daabfbeccbf080ec890f4346965bceca9b63a
