[INFO] cloning repository https://github.com/agailloty/RustLearningPath
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agailloty/RustLearningPath" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagailloty%2FRustLearningPath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagailloty%2FRustLearningPath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bad7f45a6c76e285673e84c73ca933140dd4d573
[INFO] testing agailloty/RustLearningPath against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagailloty%2FRustLearningPath" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/agailloty/RustLearningPath
[INFO] finished tweaking git repo https://github.com/agailloty/RustLearningPath
[INFO] tweaked toml for git repo https://github.com/agailloty/RustLearningPath written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/agailloty/RustLearningPath on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/agailloty/RustLearningPath 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" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca9c783e549ee1e922dcd786face7bb46793ff610abe4b0e330c0383f21889cc
[INFO] running `Command { std: "docker" "start" "-a" "ca9c783e549ee1e922dcd786face7bb46793ff610abe4b0e330c0383f21889cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca9c783e549ee1e922dcd786face7bb46793ff610abe4b0e330c0383f21889cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9c783e549ee1e922dcd786face7bb46793ff610abe4b0e330c0383f21889cc", kill_on_drop: false }`
[INFO] [stdout] ca9c783e549ee1e922dcd786face7bb46793ff610abe4b0e330c0383f21889cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f757665f504eb326368cca2f05222fe5b751188527f1d0975f44ca3a694da0a
[INFO] running `Command { std: "docker" "start" "-a" "5f757665f504eb326368cca2f05222fe5b751188527f1d0975f44ca3a694da0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_transposer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/matrix.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cols`
[INFO] [stdout]   --> src/matrix.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/matrix.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn from_vec(rows: usize, cols: usize, data: Vec<f64>) -> Self {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cols`
[INFO] [stdout]   --> src/matrix.rs:21:34
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn from_vec(rows: usize, cols: usize, data: Vec<f64>) -> Self {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/matrix.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn from_vec(rows: usize, cols: usize, data: Vec<f64>) -> Self {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/matrix.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get(&self, row: usize, col: usize) -> f64 {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/matrix.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get(&self, row: usize, col: usize) -> f64 {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/matrix.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/matrix.rs:33:39
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/matrix.rs:33:51
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/matrix.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn identity(n: usize) -> Self {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/matrix.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn column_vector(data: &[f64]) -> Matrix {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/matrix.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]  --> src/stats.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn mean(data: &[f64]) -> Option<f64> {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn median(data: &[f64]) -> Option<f64> {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn variance(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/stats.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn variance(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn std_dev(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/stats.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn std_dev(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn mode(data: &[f64]) -> Option<f64> {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn zscore(data: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn percentile(data: &[f64], p: f64) -> Option<f64> {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/stats.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn percentile(data: &[f64], p: f64) -> Option<f64> {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/linalg.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dot(a: &[f64], b: &[f64]) -> f64 {
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/linalg.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dot(a: &[f64], b: &[f64]) -> f64 {
[INFO] [stdout]   |                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/linalg.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn norm(v: &[f64]) -> f64 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/linalg.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn normalize(v: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/linalg.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn norm_l1(v: &[f64]) -> f64 {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/linalg.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn norm_lp(v: &[f64], p: f64) -> f64 {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/linalg.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn norm_lp(v: &[f64], p: f64) -> f64 {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/linalg.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn add(a: &[f64], b: &[f64]) -> Vec<f64> {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/linalg.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn add(a: &[f64], b: &[f64]) -> Vec<f64> {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/linalg.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn scale(v: &[f64], scalar: f64) -> Vec<f64> {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scalar`
[INFO] [stdout]   --> src/linalg.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn scale(v: &[f64], scalar: f64) -> Vec<f64> {
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scalar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/linalg.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn angle_radians(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/linalg.rs:52:33
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn angle_radians(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/linalg.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn project(a: &[f64], b: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/linalg.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn project(a: &[f64], b: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/linalg.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn cosine_similarity(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/linalg.rs:66:37
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn cosine_similarity(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rows`, `cols`, and `data` are never read
[INFO] [stdout]  --> src/matrix.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Matrix {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub rows: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |     pub cols: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     data: Vec<f64>,
[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 items `new`, `get`, `set`, `identity`, `transpose_in_place`, and `column_vector` are never used
[INFO] [stdout]   --> src/matrix.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Matrix {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 11 |     /// Creates a zero matrix of the given dimensions.
[INFO] [stdout] 12 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn get(&self, row: usize, col: usize) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn identity(n: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn transpose_in_place(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn column_vector(data: &[f64]) -> Matrix {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variance` is never used
[INFO] [stdout]   --> src/stats.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn variance(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mode` is never used
[INFO] [stdout]   --> src/stats.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn mode(data: &[f64]) -> Option<f64> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zscore` is never used
[INFO] [stdout]   --> src/stats.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn zscore(data: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `percentile` is never used
[INFO] [stdout]   --> src/stats.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn percentile(data: &[f64], p: f64) -> Option<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]   --> src/linalg.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn normalize(v: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `norm_l1` is never used
[INFO] [stdout]   --> src/linalg.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn norm_l1(v: &[f64]) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `norm_lp` is never used
[INFO] [stdout]   --> src/linalg.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn norm_lp(v: &[f64], p: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/linalg.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn add(a: &[f64], b: &[f64]) -> Vec<f64> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scale` is never used
[INFO] [stdout]   --> src/linalg.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn scale(v: &[f64], scalar: f64) -> Vec<f64> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `angle_radians` is never used
[INFO] [stdout]   --> src/linalg.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn angle_radians(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `project` is never used
[INFO] [stdout]   --> src/linalg.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn project(a: &[f64], b: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cosine_similarity` is never used
[INFO] [stdout]   --> src/linalg.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn cosine_similarity(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "5f757665f504eb326368cca2f05222fe5b751188527f1d0975f44ca3a694da0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f757665f504eb326368cca2f05222fe5b751188527f1d0975f44ca3a694da0a", kill_on_drop: false }`
[INFO] [stdout] 5f757665f504eb326368cca2f05222fe5b751188527f1d0975f44ca3a694da0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fb29e15ce9c3ef84734929e9ec7362d333e5b4fad68535952cd6bc395692890
[INFO] running `Command { std: "docker" "start" "-a" "8fb29e15ce9c3ef84734929e9ec7362d333e5b4fad68535952cd6bc395692890", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_transposer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/matrix.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cols`
[INFO] [stdout]   --> src/matrix.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/matrix.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn from_vec(rows: usize, cols: usize, data: Vec<f64>) -> Self {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cols`
[INFO] [stdout]   --> src/matrix.rs:21:34
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn from_vec(rows: usize, cols: usize, data: Vec<f64>) -> Self {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/matrix.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn from_vec(rows: usize, cols: usize, data: Vec<f64>) -> Self {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/matrix.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get(&self, row: usize, col: usize) -> f64 {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/matrix.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get(&self, row: usize, col: usize) -> f64 {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/matrix.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/matrix.rs:33:39
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/matrix.rs:33:51
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/matrix.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn identity(n: usize) -> Self {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/matrix.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn column_vector(data: &[f64]) -> Matrix {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/matrix.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]  --> src/stats.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn mean(data: &[f64]) -> Option<f64> {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn median(data: &[f64]) -> Option<f64> {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn variance(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/stats.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn variance(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn std_dev(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/stats.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn std_dev(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn mode(data: &[f64]) -> Option<f64> {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn zscore(data: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/stats.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn percentile(data: &[f64], p: f64) -> Option<f64> {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/stats.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn percentile(data: &[f64], p: f64) -> Option<f64> {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/linalg.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dot(a: &[f64], b: &[f64]) -> f64 {
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/linalg.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dot(a: &[f64], b: &[f64]) -> f64 {
[INFO] [stdout]   |                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/linalg.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn norm(v: &[f64]) -> f64 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/linalg.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn normalize(v: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/linalg.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn norm_l1(v: &[f64]) -> f64 {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/linalg.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn norm_lp(v: &[f64], p: f64) -> f64 {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/linalg.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn norm_lp(v: &[f64], p: f64) -> f64 {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/linalg.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn add(a: &[f64], b: &[f64]) -> Vec<f64> {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/linalg.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn add(a: &[f64], b: &[f64]) -> Vec<f64> {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/linalg.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn scale(v: &[f64], scalar: f64) -> Vec<f64> {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scalar`
[INFO] [stdout]   --> src/linalg.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn scale(v: &[f64], scalar: f64) -> Vec<f64> {
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scalar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/linalg.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn angle_radians(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/linalg.rs:52:33
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn angle_radians(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/linalg.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn project(a: &[f64], b: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/linalg.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn project(a: &[f64], b: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/linalg.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn cosine_similarity(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/linalg.rs:66:37
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn cosine_similarity(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rows`, `cols`, and `data` are never read
[INFO] [stdout]  --> src/matrix.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Matrix {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub rows: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |     pub cols: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     data: Vec<f64>,
[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 items `new`, `get`, `set`, `identity`, `transpose_in_place`, and `column_vector` are never used
[INFO] [stdout]   --> src/matrix.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Matrix {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 11 |     /// Creates a zero matrix of the given dimensions.
[INFO] [stdout] 12 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn get(&self, row: usize, col: usize) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn identity(n: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn transpose_in_place(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn column_vector(data: &[f64]) -> Matrix {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variance` is never used
[INFO] [stdout]   --> src/stats.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn variance(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mode` is never used
[INFO] [stdout]   --> src/stats.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn mode(data: &[f64]) -> Option<f64> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zscore` is never used
[INFO] [stdout]   --> src/stats.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn zscore(data: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `percentile` is never used
[INFO] [stdout]   --> src/stats.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn percentile(data: &[f64], p: f64) -> Option<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]   --> src/linalg.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn normalize(v: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `norm_l1` is never used
[INFO] [stdout]   --> src/linalg.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn norm_l1(v: &[f64]) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `norm_lp` is never used
[INFO] [stdout]   --> src/linalg.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn norm_lp(v: &[f64], p: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/linalg.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn add(a: &[f64], b: &[f64]) -> Vec<f64> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scale` is never used
[INFO] [stdout]   --> src/linalg.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn scale(v: &[f64], scalar: f64) -> Vec<f64> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `angle_radians` is never used
[INFO] [stdout]   --> src/linalg.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn angle_radians(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `project` is never used
[INFO] [stdout]   --> src/linalg.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn project(a: &[f64], b: &[f64]) -> Option<Vec<f64>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cosine_similarity` is never used
[INFO] [stdout]   --> src/linalg.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn cosine_similarity(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `approx_eq` is never used
[INFO] [stdout]   --> src/linalg.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn approx_eq(a: f64, b: f64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "8fb29e15ce9c3ef84734929e9ec7362d333e5b4fad68535952cd6bc395692890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb29e15ce9c3ef84734929e9ec7362d333e5b4fad68535952cd6bc395692890", kill_on_drop: false }`
[INFO] [stdout] 8fb29e15ce9c3ef84734929e9ec7362d333e5b4fad68535952cd6bc395692890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43aff417d842e7ea79a8a46610ae48ede7a6d1bf02f4505e72aadde838745617
[INFO] running `Command { std: "docker" "start" "-a" "43aff417d842e7ea79a8a46610ae48ede7a6d1bf02f4505e72aadde838745617", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `rows`
[INFO] [stderr]   --> src/matrix.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cols`
[INFO] [stderr]   --> src/matrix.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_cols`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rows`
[INFO] [stderr]   --> src/matrix.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn from_vec(rows: usize, cols: usize, data: Vec<f64>) -> Self {
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cols`
[INFO] [stderr]   --> src/matrix.rs:21:34
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn from_vec(rows: usize, cols: usize, data: Vec<f64>) -> Self {
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_cols`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/matrix.rs:21:47
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn from_vec(rows: usize, cols: usize, data: Vec<f64>) -> Self {
[INFO] [stderr]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/matrix.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn get(&self, row: usize, col: usize) -> f64 {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/matrix.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn get(&self, row: usize, col: usize) -> f64 {
[INFO] [stderr]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/matrix.rs:33:27
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/matrix.rs:33:39
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/matrix.rs:33:51
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stderr]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/matrix.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn identity(n: usize) -> Self {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/matrix.rs:61:26
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn column_vector(data: &[f64]) -> Matrix {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/matrix.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]  --> src/stats.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn mean(data: &[f64]) -> Option<f64> {
[INFO] [stderr]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/stats.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn median(data: &[f64]) -> Option<f64> {
[INFO] [stderr]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/stats.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn variance(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sample`
[INFO] [stderr]   --> src/stats.rs:21:31
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn variance(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stderr]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/stats.rs:27:16
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn std_dev(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sample`
[INFO] [stderr]   --> src/stats.rs:27:30
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn std_dev(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stderr]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/stats.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn mode(data: &[f64]) -> Option<f64> {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/stats.rs:41:15
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn zscore(data: &[f64]) -> Option<Vec<f64>> {
[INFO] [stderr]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/stats.rs:47:19
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn percentile(data: &[f64], p: f64) -> Option<f64> {
[INFO] [stderr]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/stats.rs:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn percentile(data: &[f64], p: f64) -> Option<f64> {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> src/linalg.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn dot(a: &[f64], b: &[f64]) -> f64 {
[INFO] [stderr]   |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]  --> src/linalg.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn dot(a: &[f64], b: &[f64]) -> f64 {
[INFO] [stderr]   |                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/linalg.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn norm(v: &[f64]) -> f64 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/linalg.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn normalize(v: &[f64]) -> Option<Vec<f64>> {
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/linalg.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn norm_l1(v: &[f64]) -> f64 {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/linalg.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn norm_lp(v: &[f64], p: f64) -> f64 {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/linalg.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn norm_lp(v: &[f64], p: f64) -> f64 {
[INFO] [stderr]    |                           ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/linalg.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn add(a: &[f64], b: &[f64]) -> Vec<f64> {
[INFO] [stderr]    |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/linalg.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn add(a: &[f64], b: &[f64]) -> Vec<f64> {
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/linalg.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn scale(v: &[f64], scalar: f64) -> Vec<f64> {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scalar`
[INFO] [stderr]   --> src/linalg.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn scale(v: &[f64], scalar: f64) -> Vec<f64> {
[INFO] [stderr]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scalar`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/linalg.rs:52:22
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn angle_radians(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/linalg.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn angle_radians(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/linalg.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub fn project(a: &[f64], b: &[f64]) -> Option<Vec<f64>> {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/linalg.rs:60:27
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub fn project(a: &[f64], b: &[f64]) -> Option<Vec<f64>> {
[INFO] [stderr]    |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/linalg.rs:66:26
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn cosine_similarity(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/linalg.rs:66:37
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn cosine_similarity(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stderr]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `rows`, `cols`, and `data` are never read
[INFO] [stderr]  --> src/matrix.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Matrix {
[INFO] [stderr]   |            ------ fields in this struct
[INFO] [stderr] 5 |     pub rows: usize,
[INFO] [stderr]   |         ^^^^
[INFO] [stderr] 6 |     pub cols: usize,
[INFO] [stderr]   |         ^^^^
[INFO] [stderr] 7 |     data: Vec<f64>,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `get`, `set`, `identity`, `transpose_in_place`, and `column_vector` are never used
[INFO] [stderr]   --> src/matrix.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Matrix {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 11 |     /// Creates a zero matrix of the given dimensions.
[INFO] [stderr] 12 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn get(&self, row: usize, col: usize) -> f64 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn set(&mut self, row: usize, col: usize, value: f64) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn identity(n: usize) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     pub fn transpose_in_place(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     pub fn column_vector(data: &[f64]) -> Matrix {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `variance` is never used
[INFO] [stderr]   --> src/stats.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn variance(data: &[f64], sample: bool) -> Option<f64> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mode` is never used
[INFO] [stderr]   --> src/stats.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn mode(data: &[f64]) -> Option<f64> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `zscore` is never used
[INFO] [stderr]   --> src/stats.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn zscore(data: &[f64]) -> Option<Vec<f64>> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `percentile` is never used
[INFO] [stderr]   --> src/stats.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn percentile(data: &[f64], p: f64) -> Option<f64> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `normalize` is never used
[INFO] [stderr]   --> src/linalg.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn normalize(v: &[f64]) -> Option<Vec<f64>> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `norm_l1` is never used
[INFO] [stderr]   --> src/linalg.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn norm_l1(v: &[f64]) -> f64 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `norm_lp` is never used
[INFO] [stderr]   --> src/linalg.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn norm_lp(v: &[f64], p: f64) -> f64 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]   --> src/linalg.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn add(a: &[f64], b: &[f64]) -> Vec<f64> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `scale` is never used
[INFO] [stderr]   --> src/linalg.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn scale(v: &[f64], scalar: f64) -> Vec<f64> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `angle_radians` is never used
[INFO] [stderr]   --> src/linalg.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn angle_radians(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `project` is never used
[INFO] [stderr]   --> src/linalg.rs:60:8
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub fn project(a: &[f64], b: &[f64]) -> Option<Vec<f64>> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cosine_similarity` is never used
[INFO] [stderr]   --> src/linalg.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn cosine_similarity(a: &[f64], b: &[f64]) -> Option<f64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `approx_eq` is never used
[INFO] [stderr]   --> src/linalg.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn approx_eq(a: f64, b: f64) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `matrix_transposer` (bin "matrix_transposer" test) generated 55 warnings (run `cargo fix --bin "matrix_transposer" -p matrix_transposer --tests` to apply 40 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/matrix_transposer-025ab59a9818a32f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test linalg::tests::dot_mismatched_lengths_panics - should panic ... ok
[INFO] [stdout] test matrix::tests::from_vec_wrong_size_panics - should panic ... ok
[INFO] [stdout] test stats::tests::mean_basic ... FAILED
[INFO] [stdout] test stats::tests::mean_empty_returns_none ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- stats::tests::mean_basic stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'stats::tests::mean_basic' (19) panicked at src/stats.rs:9:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60953f80f0aa - std[1209cfb42f6d497f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60953f80f0aa - std[1209cfb42f6d497f]::backtrace_rs::backtrace::trace_unsynchronized::<std[1209cfb42f6d497f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60953f80f0aa - std[1209cfb42f6d497f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x60953f80f0aa - <<std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4a92201981c6b77a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x60953f82326a - <core[4a92201981c6b77a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x60953f82326a - core[4a92201981c6b77a]::fmt::write
[INFO] [stdout]    6:     0x60953f8138e2 - std[1209cfb42f6d497f]::io::default_write_fmt::<alloc[420bb310a727dfd7]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x60953f8138e2 - <alloc[420bb310a727dfd7]::vec::Vec<u8> as std[1209cfb42f6d497f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x60953f7ee0af - <std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x60953f7ee0af - std[1209cfb42f6d497f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x60953f807509 - std[1209cfb42f6d497f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x60953f7a3d5c - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x60953f7a3d5c - test[59e67a9bc0e119f1]::test_main_inner::<test[59e67a9bc0e119f1]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x60953f8076c2 - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x60953f8076c2 - std[1209cfb42f6d497f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x60953f7ee19a - std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x60953f7e3379 - std[1209cfb42f6d497f]::sys::backtrace::__rust_end_short_backtrace::<std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x60953f7eee7d - __rustc[4effac393e9f3da6]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x60953f8239bc - core[4a92201981c6b77a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x60953f823982 - core[4a92201981c6b77a]::panicking::panic
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x60953f7964c7 - matrix_transposer[553d4ef115911f45]::stats::mean
[INFO] [stdout]                                at /opt/rustwide/workdir/src/stats.rs:9:5
[INFO] [stdout]   21:     0x60953f796565 - matrix_transposer[553d4ef115911f45]::stats::tests::mean_basic
[INFO] [stdout]                                at /opt/rustwide/workdir/src/stats.rs:72:27
[INFO] [stdout]   22:     0x60953f795e27 - matrix_transposer[553d4ef115911f45]::stats::tests::mean_basic::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/stats.rs:71:20
[INFO] [stdout]   23:     0x60953f796ea6 - <matrix_transposer[553d4ef115911f45]::stats::tests::mean_basic::{closure#0} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60953f79703b - <fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x60953f79703b - test[59e67a9bc0e119f1]::__rust_begin_short_backtrace::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x60953f7a482b - test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x60953f7a482b - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x60953f7a482b - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x60953f7a482b - std[1209cfb42f6d497f]::panicking::catch_unwind::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x60953f7a482b - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stderr] error: test failed, to rerun pass `--bin matrix_transposer`
[INFO] [stdout]   31:     0x60953f7a482b - test[59e67a9bc0e119f1]::run_test_in_process
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x60953f7a482b - test[59e67a9bc0e119f1]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x60953f79df44 - test[59e67a9bc0e119f1]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x60953f79df44 - std[1209cfb42f6d497f]::sys::backtrace::__rust_begin_short_backtrace::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x60953f7a7432 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x60953f7a7432 - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x60953f7a7432 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x60953f7a7432 - std[1209cfb42f6d497f]::panicking::catch_unwind::<(), core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x60953f7a7432 - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x60953f7a7432 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x60953f7a7432 - <std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x60953f80e9bf - <alloc[420bb310a727dfd7]::boxed::Box<dyn core[4a92201981c6b77a]::ops::function::FnOnce<(), Output = ()> + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x60953f80e9bf - <std[1209cfb42f6d497f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x739f8e25eaa4 - <unknown>
[INFO] [stdout]   45:     0x739f8e2eba64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- stats::tests::mean_empty_returns_none stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'stats::tests::mean_empty_returns_none' (20) panicked at src/stats.rs:9:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60953f80f0aa - std[1209cfb42f6d497f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60953f80f0aa - std[1209cfb42f6d497f]::backtrace_rs::backtrace::trace_unsynchronized::<std[1209cfb42f6d497f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60953f80f0aa - std[1209cfb42f6d497f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x60953f80f0aa - <<std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4a92201981c6b77a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x60953f82326a - <core[4a92201981c6b77a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x60953f82326a - core[4a92201981c6b77a]::fmt::write
[INFO] [stdout]    6:     0x60953f8138e2 - std[1209cfb42f6d497f]::io::default_write_fmt::<alloc[420bb310a727dfd7]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x60953f8138e2 - <alloc[420bb310a727dfd7]::vec::Vec<u8> as std[1209cfb42f6d497f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x60953f7ee0af - <std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x60953f7ee0af - std[1209cfb42f6d497f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x60953f807509 - std[1209cfb42f6d497f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x60953f7a3d5c - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x60953f7a3d5c - test[59e67a9bc0e119f1]::test_main_inner::<test[59e67a9bc0e119f1]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x60953f8076c2 - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x60953f8076c2 - std[1209cfb42f6d497f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x60953f7ee19a - std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x60953f7e3379 - std[1209cfb42f6d497f]::sys::backtrace::__rust_end_short_backtrace::<std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x60953f7eee7d - __rustc[4effac393e9f3da6]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x60953f8239bc - core[4a92201981c6b77a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x60953f823982 - core[4a92201981c6b77a]::panicking::panic
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x60953f7964c7 - matrix_transposer[553d4ef115911f45]::stats::mean
[INFO] [stdout]                                at /opt/rustwide/workdir/src/stats.rs:9:5
[INFO] [stdout]   21:     0x60953f7965e2 - matrix_transposer[553d4ef115911f45]::stats::tests::mean_empty_returns_none
[INFO] [stdout]                                at /opt/rustwide/workdir/src/stats.rs:67:20
[INFO] [stdout]   22:     0x60953f795e57 - matrix_transposer[553d4ef115911f45]::stats::tests::mean_empty_returns_none::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/stats.rs:66:33
[INFO] [stdout]   23:     0x60953f796ee6 - <matrix_transposer[553d4ef115911f45]::stats::tests::mean_empty_returns_none::{closure#0} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60953f79703b - <fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x60953f79703b - test[59e67a9bc0e119f1]::__rust_begin_short_backtrace::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x60953f7a482b - test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x60953f7a482b - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x60953f7a482b - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x60953f7a482b - std[1209cfb42f6d497f]::panicking::catch_unwind::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x60953f7a482b - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x60953f7a482b - test[59e67a9bc0e119f1]::run_test_in_process
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x60953f7a482b - test[59e67a9bc0e119f1]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x60953f79df44 - test[59e67a9bc0e119f1]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x60953f79df44 - std[1209cfb42f6d497f]::sys::backtrace::__rust_begin_short_backtrace::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x60953f7a7432 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x60953f7a7432 - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x60953f7a7432 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x60953f7a7432 - std[1209cfb42f6d497f]::panicking::catch_unwind::<(), core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x60953f7a7432 - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x60953f7a7432 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x60953f7a7432 - <std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x60953f80e9bf - <alloc[420bb310a727dfd7]::boxed::Box<dyn core[4a92201981c6b77a]::ops::function::FnOnce<(), Output = ()> + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x60953f80e9bf - <std[1209cfb42f6d497f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x739f8e25eaa4 - <unknown>
[INFO] [stdout]   45:     0x739f8e2eba64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     stats::tests::mean_basic
[INFO] [stdout]     stats::tests::mean_empty_returns_none
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43aff417d842e7ea79a8a46610ae48ede7a6d1bf02f4505e72aadde838745617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43aff417d842e7ea79a8a46610ae48ede7a6d1bf02f4505e72aadde838745617", kill_on_drop: false }`
[INFO] [stdout] 43aff417d842e7ea79a8a46610ae48ede7a6d1bf02f4505e72aadde838745617
