[INFO] updating cached repository Axect/Peroxide
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Axect/Peroxide
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Axect/Peroxide" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Axect/Peroxide"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Axect/Peroxide'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Axect/Peroxide" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Axect/Peroxide"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Axect/Peroxide'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e659b4060f2df747ef3fa019f1651436e55f7d1c
[INFO] sha for GitHub repo Axect/Peroxide: e659b4060f2df747ef3fa019f1651436e55f7d1c
[INFO] validating manifest of Axect/Peroxide on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Axect/Peroxide on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Axect/Peroxide
[INFO] finished frobbing Axect/Peroxide
[INFO] frobbed toml for Axect/Peroxide written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Axect/Peroxide/Cargo.toml
[INFO] started frobbing Axect/Peroxide
[INFO] finished frobbing Axect/Peroxide
[INFO] frobbed toml for Axect/Peroxide written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Axect/Peroxide/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Axect/Peroxide against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-3/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Axect/Peroxide:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f3d1dc29386cb55404e8527eb40d5d2226943fec94d24c21074c10fc28aad34f
[INFO] running `"docker" "start" "-a" "f3d1dc29386cb55404e8527eb40d5d2226943fec94d24c21074c10fc28aad34f"`
[INFO] [stderr]     Checking special v0.8.0
[INFO] [stderr]     Checking peroxide v0.8.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `unused_variable`
[INFO] [stderr]    --> src/structure/dual.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 | #[allow(unused_variable)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: did you mean: `unused_variables`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unknown_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unused_variable`
[INFO] [stderr]    --> src/structure/dual.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 | #[allow(unused_variable)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: did you mean: `unused_variables`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unknown_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MIN`
[INFO] [stderr]  --> src/structure/matrix.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::f64::{MIN};
[INFO] [stderr]   |                ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert`
[INFO] [stderr]  --> src/statistics/rand.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::convert;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structure::matrix::*`
[INFO] [stderr]   --> src/statistics/dist.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use structure::matrix::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structure::vector::*`
[INFO] [stderr]   --> src/statistics/dist.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use structure::vector::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structure::dual::*`
[INFO] [stderr]  --> src/numerical/runge_kutta.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use structure::dual::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Div`, `Mul`, `Sub`
[INFO] [stderr]  --> src/numerical/ode.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stderr]   |                     ^^^  ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::print::Printable`
[INFO] [stderr]  --> src/numerical/gauss_legendre.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use util::print::Printable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Beta`
[INFO] [stderr]  --> src/special/function.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use self::special::{Gamma, Beta, Error};
[INFO] [stderr]   |                            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `E`
[INFO] [stderr]  --> src/special/function.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::f64::consts::{PI, E};
[INFO] [stderr]   |                            ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MIN`
[INFO] [stderr]  --> src/structure/matrix.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::f64::{MIN};
[INFO] [stderr]   |                ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert`
[INFO] [stderr]  --> src/statistics/rand.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::convert;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structure::matrix::*`
[INFO] [stderr]   --> src/statistics/dist.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use structure::matrix::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structure::vector::*`
[INFO] [stderr]   --> src/statistics/dist.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use structure::vector::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structure::dual::*`
[INFO] [stderr]  --> src/numerical/runge_kutta.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use structure::dual::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Div`, `Mul`, `Sub`
[INFO] [stderr]  --> src/numerical/ode.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stderr]   |                     ^^^  ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::print::Printable`
[INFO] [stderr]  --> src/numerical/gauss_legendre.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use util::print::Printable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Beta`
[INFO] [stderr]  --> src/special/function.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use self::special::{Gamma, Beta, Error};
[INFO] [stderr]   |                            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `E`
[INFO] [stderr]  --> src/special/function.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::f64::consts::{PI, E};
[INFO] [stderr]   |                            ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structure::vector`
[INFO] [stderr]  --> src/util/api.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use structure::vector::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Add`
[INFO] [stderr]  --> src/numerical/ode.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stderr]   |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structure::vector`
[INFO] [stderr]  --> src/util/api.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use structure::vector::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Add`
[INFO] [stderr]  --> src/numerical/ode.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Add, Sub, Mul, Div};
[INFO] [stderr]   |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `init`
[INFO] [stderr]    --> src/structure/dual.rs:325:28
[INFO] [stderr]     |
[INFO] [stderr] 325 |     fn reduce<F, T>(&self, init: T, f: F) -> Self::Scalar
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_init`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/structure/dual.rs:325:37
[INFO] [stderr]     |
[INFO] [stderr] 325 |     fn reduce<F, T>(&self, init: T, f: F) -> Self::Scalar
[INFO] [stderr]     |                                     ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/structure/dual.rs:343:25
[INFO] [stderr]     |
[INFO] [stderr] 343 |     fn filter<F>(&self, f: F) -> Self
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/structure/dual.rs:379:19
[INFO] [stderr]     |
[INFO] [stderr] 379 |     fn dot(&self, other: &Self) -> Self::Scalar {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/numerical/bdf.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let n = ys.len();
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xs`
[INFO] [stderr]   --> src/numerical/bdf.rs:74:18
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let f_vec = |xs: Vec<Dual>| f(dual(t, 0.), ys.conv_dual()); // n x 1
[INFO] [stderr]    |                  ^^ help: consider prefixing with an underscore: `_xs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_dual`
[INFO] [stderr]   --> src/numerical/bdf.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let t_dual = dual(t, 0.);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_t_dual`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `init`
[INFO] [stderr]    --> src/structure/dual.rs:325:28
[INFO] [stderr]     |
[INFO] [stderr] 325 |     fn reduce<F, T>(&self, init: T, f: F) -> Self::Scalar
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_init`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/structure/dual.rs:325:37
[INFO] [stderr]     |
[INFO] [stderr] 325 |     fn reduce<F, T>(&self, init: T, f: F) -> Self::Scalar
[INFO] [stderr]     |                                     ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/structure/dual.rs:343:25
[INFO] [stderr]     |
[INFO] [stderr] 343 |     fn filter<F>(&self, f: F) -> Self
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/structure/dual.rs:379:19
[INFO] [stderr]     |
[INFO] [stderr] 379 |     fn dot(&self, other: &Self) -> Self::Scalar {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/numerical/bdf.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let n = ys.len();
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xs`
[INFO] [stderr]   --> src/numerical/bdf.rs:74:18
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let f_vec = |xs: Vec<Dual>| f(dual(t, 0.), ys.conv_dual()); // n x 1
[INFO] [stderr]    |                  ^^ help: consider prefixing with an underscore: `_xs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_dual`
[INFO] [stderr]   --> src/numerical/bdf.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let t_dual = dual(t, 0.);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_t_dual`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/tov.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut records = solve_with_condition(tov_rhs, init_val, (0f64, 16f64), 1e-3, GL4(1e-15), |xs| xs[2] >= 0f64);
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/tov.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut records = solve_with_condition(tov_rhs, init_val, (0f64, 16f64), 1e-3, GL4(1e-15), |xs| xs[2] >= 0f64);
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/lda_ls.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     x1.write_with_header("example_data/sample1.csv", vec!["x", "y"]);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/lda_ls.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     x2.write_with_header("example_data/sample2.csv", vec!["x", "y"]);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/lda_ls.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     line.write_with_header("example_data/line.csv", vec!["x", "y"]);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bin/mlp.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     for i in 0 .. times {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/bin/mlp.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let err = (y.clone() - t.clone()).t() % (y.clone() - t.clone());
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/lda_ls.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     x1.write_with_header("example_data/sample1.csv", vec!["x", "y"]);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/lda_ls.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     x2.write_with_header("example_data/sample2.csv", vec!["x", "y"]);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/lda_ls.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     line.write_with_header("example_data/line.csv", vec!["x", "y"]);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bin/mlp.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     for i in 0 .. times {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/bin/mlp.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let err = (y.clone() - t.clone()).t() % (y.clone() - t.clone());
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `"docker" "inspect" "f3d1dc29386cb55404e8527eb40d5d2226943fec94d24c21074c10fc28aad34f"`
[INFO] running `"docker" "rm" "-f" "f3d1dc29386cb55404e8527eb40d5d2226943fec94d24c21074c10fc28aad34f"`
[INFO] [stdout] f3d1dc29386cb55404e8527eb40d5d2226943fec94d24c21074c10fc28aad34f