[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 try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiovanniKarra%2FMatrixCompletion" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GiovanniKarra/MatrixCompletion on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b706399abc7e613005cf3ecb65fd6dd44dfe4cb08caa138fd6ed2951e7845c65
[INFO] running `Command { std: "docker" "start" "-a" "b706399abc7e613005cf3ecb65fd6dd44dfe4cb08caa138fd6ed2951e7845c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b706399abc7e613005cf3ecb65fd6dd44dfe4cb08caa138fd6ed2951e7845c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b706399abc7e613005cf3ecb65fd6dd44dfe4cb08caa138fd6ed2951e7845c65", kill_on_drop: false }`
[INFO] [stdout] b706399abc7e613005cf3ecb65fd6dd44dfe4cb08caa138fd6ed2951e7845c65
[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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4985b4cd4700d16cd3386378129f9dbb027f059eeb18e3e13c7254c3882643e9
[INFO] running `Command { std: "docker" "start" "-a" "4985b4cd4700d16cd3386378129f9dbb027f059eeb18e3e13c7254c3882643e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[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 rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling rand v0.9.2
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is 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 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] 91 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 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] 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 9.60s
[INFO] running `Command { std: "docker" "inspect" "4985b4cd4700d16cd3386378129f9dbb027f059eeb18e3e13c7254c3882643e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4985b4cd4700d16cd3386378129f9dbb027f059eeb18e3e13c7254c3882643e9", kill_on_drop: false }`
[INFO] [stdout] 4985b4cd4700d16cd3386378129f9dbb027f059eeb18e3e13c7254c3882643e9
[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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46777be26e2a0b2296b2ad4efe51445fc730c21d146defe07aaa0b20765ec5a1
[INFO] running `Command { std: "docker" "start" "-a" "46777be26e2a0b2296b2ad4efe51445fc730c21d146defe07aaa0b20765ec5a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling itertools v0.13.0
[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 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is 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 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] 91 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 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] 95 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling clap v4.5.45
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling serde v1.0.215
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is 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 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] 91 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 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] 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 29.50s
[INFO] running `Command { std: "docker" "inspect" "46777be26e2a0b2296b2ad4efe51445fc730c21d146defe07aaa0b20765ec5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46777be26e2a0b2296b2ad4efe51445fc730c21d146defe07aaa0b20765ec5a1", kill_on_drop: false }`
[INFO] [stdout] 46777be26e2a0b2296b2ad4efe51445fc730c21d146defe07aaa0b20765ec5a1
[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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc131f3d48ba7ed23cfff8898c6ea30fb73b410e84d9c9fe5f3b9bbac0001080
[INFO] running `Command { std: "docker" "start" "-a" "fc131f3d48ba7ed23cfff8898c6ea30fb73b410e84d9c9fe5f3b9bbac0001080", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type 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 (run `cargo fix --lib -p libmatcompl` to apply 3 suggestions)
[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)]` (part of `#[warn(unused)]`) 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-4ddd3cb2a044c225)
[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::tests::get_and_set_valid ... ok
[INFO] [stdout] test linalg::matrix::tests::get_and_set_valid_index ... ok
[INFO] [stdout] test linalg::matrix::tests::create_matrix ... 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::ops::tests::sum_panic2 - should panic ... ok
[INFO] [stdout] test linalg::matrix::tests::create_panic - should panic ... ok
[INFO] [stdout] test linalg::matrix::tests::test_dot ... ok
[INFO] [stdout] test linalg::matrix::tests::test_print ... ok
[INFO] [stdout] test linalg::matrix::tests::test_index ... ok
[INFO] [stdout] test linalg::matrix::tests::dot_panic - should panic ... ok
[INFO] [stdout] test linalg::matrix::tests::test_solve ... ok
[INFO] [stdout] test linalg::matrix::tests::test_solve_pivot ... FAILED
[INFO] [stdout] test opti::tests::test_linear_program ... ok
[INFO] [stdout] test linalg::matrix::tests::get_panic2 - 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::ops::tests::test_mult ... ok
[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' (36) panicked at src/linalg/matrix/mod.rs:318:9:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c41a177ab92 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c41a177ab92 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c41a177ab92 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c41a177ab92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c41a178b8ef - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c41a178b8ef - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5c41a1748663 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c41a1748663 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c41a1754402 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c41a1758edf - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5c41a1758d71 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5c41a171befe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5c41a171befe - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c41a17594ef - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5c41a17594ef - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5c41a1759316 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5c41a1754539 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5c41a173ce2d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5c41a1793260 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c41a179323c - core::panicking::panic::h5cbcc2ceb0950681
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5c41a16f5cba - libmatcompl::linalg::matrix::tests::test_solve_pivot::h2ebf706b62b84f02
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linalg/matrix/mod.rs:318:3
[INFO] [stdout]   21:     0x5c41a16f5cd7 - libmatcompl::linalg::matrix::tests::test_solve_pivot::{{closure}}::h6751cd756882d09b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linalg/matrix/mod.rs:317:23
[INFO] [stdout]   22:     0x5c41a16f7ae6 - core::ops::function::FnOnce::call_once::hed1b047f4e22da00
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5c41a171bcfb - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c41a171bcfb - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5c41a172fd5d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5c41a172fd5d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5c41a172fd5d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5c41a172fd5d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5c41a172fd5d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5c41a172fd5d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5c41a172fd5d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5c41a17092a4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5c41a17092a4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5c41a170cafa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   35:     0x5c41a170cafa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5c41a170cafa - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   37:     0x5c41a170cafa - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   38:     0x5c41a170cafa - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c41a170cafa - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   40:     0x5c41a170cafa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5c41a174f93f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   42:     0x5c41a174f93f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   43:     0x7aa8d91a4aa4 - <unknown>
[INFO] [stdout]   44:     0x7aa8d9231a64 - clone
[INFO] [stdout]   45:                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 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "fc131f3d48ba7ed23cfff8898c6ea30fb73b410e84d9c9fe5f3b9bbac0001080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc131f3d48ba7ed23cfff8898c6ea30fb73b410e84d9c9fe5f3b9bbac0001080", kill_on_drop: false }`
[INFO] [stdout] fc131f3d48ba7ed23cfff8898c6ea30fb73b410e84d9c9fe5f3b9bbac0001080
