[INFO] cloning repository https://github.com/maryiarotar/university_cnmo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maryiarotar/university_cnmo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaryiarotar%2Funiversity_cnmo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaryiarotar%2Funiversity_cnmo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c84f07a2126951d9ee704e230177dd6c7878b0d
[INFO] testing maryiarotar/university_cnmo against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaryiarotar%2Funiversity_cnmo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maryiarotar/university_cnmo
[INFO] finished tweaking git repo https://github.com/maryiarotar/university_cnmo
[INFO] tweaked toml for git repo https://github.com/maryiarotar/university_cnmo written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maryiarotar/university_cnmo on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maryiarotar/university_cnmo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 462789f9448183b8b573bcf89185017f2da8c31700d4150bc6b8e1af1f38d556
[INFO] running `Command { std: "docker" "start" "-a" "462789f9448183b8b573bcf89185017f2da8c31700d4150bc6b8e1af1f38d556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "462789f9448183b8b573bcf89185017f2da8c31700d4150bc6b8e1af1f38d556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462789f9448183b8b573bcf89185017f2da8c31700d4150bc6b8e1af1f38d556", kill_on_drop: false }`
[INFO] [stdout] 462789f9448183b8b573bcf89185017f2da8c31700d4150bc6b8e1af1f38d556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f00004632130da576a109fbec931c96cb018fdf1a656d12ef43041a2a83a3cd2
[INFO] running `Command { std: "docker" "start" "-a" "f00004632130da576a109fbec931c96cb018fdf1a656d12ef43041a2a83a3cd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling lab1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `dichotomy` is never used
[INFO] [stdout]  --> src/lab1/functions.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn dichotomy(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `secant_method` is never used
[INFO] [stdout]   --> src/lab1/functions.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub(crate) fn secant_method(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton` is never used
[INFO] [stdout]   --> src/lab1/functions.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) fn newton(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iteration_method` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:106:15
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub(crate) fn iteration_method(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_x` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn function_x(x :f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `proizv_1` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn proizv_1(x :f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `proizv_2` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn proizv_2(x :f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `how_long_to_count` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub(crate) fn how_long_to_count(f :fn(f64, f64, f64) -> (f64, i8),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `how_long_to_count` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub(crate) fn how_long_to_count(f :fn(f64, f64, f64) -> (f64, i8),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix_A`
[INFO] [stdout]   --> src/lab2/main.rs:50:49
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn method_jacobi(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix_A`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix_A`
[INFO] [stdout]   --> src/lab2/main.rs:90:55
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn method_gauss_zeidel(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix_A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lab2/main.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |             for i in 0..*size {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/lab2/main.rs:203:21
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 for j in 0..*size {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lab2/main.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |             for i in 0..*size {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convergence_verification` is never used
[INFO] [stdout]    --> src/lab2/main.rs:217:4
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn convergence_verification(size :usize, matrix_A :&Vec<Vec<f64>>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut matrix_A :Vec<Vec<f64>> = vec![];
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_B` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut matrix_B :Vec<f64> = vec![];
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `matrix_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_Q` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let matrix_Q = matrix_Q(size, &matrix_A, &matrix_B );
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:50:49
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn method_jacobi(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_Q` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:50:75
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn method_jacobi(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                                           ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:90:55
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn method_gauss_zeidel(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                       ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_Q` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:90:81
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn method_gauss_zeidel(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                                                 ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_Q` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn print_Q(size :usize, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]     |    ^^^^^^^ help: convert the identifier to snake case: `print_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_Q` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn print_Q(size :usize, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]     |                         ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matrix_Q` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn matrix_Q(size :usize, matrix_A :&Vec<Vec<f64>>, matrix_B :&Vec<f64>) -> Vec<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:150:26
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn matrix_Q(size :usize, matrix_A :&Vec<Vec<f64>>, matrix_B :&Vec<f64>) -> Vec<Vec<f64>> {
[INFO] [stdout]     |                          ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_B` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:150:52
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn matrix_Q(size :usize, matrix_A :&Vec<Vec<f64>>, matrix_B :&Vec<f64>) -> Vec<Vec<f64>> {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: convert the identifier to snake case: `matrix_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_Q` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut matrix_Q :Vec<Vec<f64>> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:176:35
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn enter_matrix(size: &mut usize, matrix_A: &mut Vec<Vec<f64>>, matrix_B :&mut Vec<f64>) {
[INFO] [stdout]     |                                   ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_B` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:176:65
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn enter_matrix(size: &mut usize, matrix_A: &mut Vec<Vec<f64>>, matrix_B :&mut Vec<f64>) {
[INFO] [stdout]     |                                                                 ^^^^^^^^ help: convert the identifier to snake case: `matrix_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:217:42
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn convergence_verification(size :usize, matrix_A :&Vec<Vec<f64>>) -> bool {
[INFO] [stdout]     |                                          ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "f00004632130da576a109fbec931c96cb018fdf1a656d12ef43041a2a83a3cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00004632130da576a109fbec931c96cb018fdf1a656d12ef43041a2a83a3cd2", kill_on_drop: false }`
[INFO] [stdout] f00004632130da576a109fbec931c96cb018fdf1a656d12ef43041a2a83a3cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa4fdb053641a17747fae07fbe01f4137de245f4e787e6d7aca8d9b8b980f88
[INFO] running `Command { std: "docker" "start" "-a" "7aa4fdb053641a17747fae07fbe01f4137de245f4e787e6d7aca8d9b8b980f88", kill_on_drop: false }`
[INFO] [stdout] warning: function `dichotomy` is never used
[INFO] [stdout]  --> src/lab1/functions.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn dichotomy(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `secant_method` is never used
[INFO] [stdout]   --> src/lab1/functions.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub(crate) fn secant_method(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton` is never used
[INFO] [stdout]   --> src/lab1/functions.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) fn newton(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iteration_method` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:106:15
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub(crate) fn iteration_method(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_x` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn function_x(x :f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `proizv_1` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn proizv_1(x :f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `proizv_2` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn proizv_2(x :f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lab1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `how_long_to_count` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub(crate) fn how_long_to_count(f :fn(f64, f64, f64) -> (f64, i8),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dichotomy` is never used
[INFO] [stdout]  --> src/lab1/functions.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn dichotomy(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `secant_method` is never used
[INFO] [stdout]   --> src/lab1/functions.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub(crate) fn secant_method(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton` is never used
[INFO] [stdout]   --> src/lab1/functions.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) fn newton(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iteration_method` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:106:15
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub(crate) fn iteration_method(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_x` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn function_x(x :f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `proizv_1` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn proizv_1(x :f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `proizv_2` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn proizv_2(x :f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `how_long_to_count` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub(crate) fn how_long_to_count(f :fn(f64, f64, f64) -> (f64, i8),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `how_long_to_count` is never used
[INFO] [stdout]    --> src/lab1/functions.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub(crate) fn how_long_to_count(f :fn(f64, f64, f64) -> (f64, i8),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix_A`
[INFO] [stdout]   --> src/lab2/main.rs:50:49
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn method_jacobi(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix_A`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matrix_A`
[INFO] [stdout]   --> src/lab2/main.rs:90:55
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn method_gauss_zeidel(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix_A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lab2/main.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |             for i in 0..*size {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/lab2/main.rs:203:21
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 for j in 0..*size {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lab2/main.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |             for i in 0..*size {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convergence_verification` is never used
[INFO] [stdout]    --> src/lab2/main.rs:217:4
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn convergence_verification(size :usize, matrix_A :&Vec<Vec<f64>>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut matrix_A :Vec<Vec<f64>> = vec![];
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_B` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut matrix_B :Vec<f64> = vec![];
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `matrix_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_Q` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let matrix_Q = matrix_Q(size, &matrix_A, &matrix_B );
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:50:49
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn method_jacobi(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_Q` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:50:75
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn method_jacobi(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                                           ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:90:55
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn method_gauss_zeidel(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                       ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_Q` should have a snake case name
[INFO] [stdout]   --> src/lab2/main.rs:90:81
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn method_gauss_zeidel(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]    |                                                                                 ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_Q` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn print_Q(size :usize, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]     |    ^^^^^^^ help: convert the identifier to snake case: `print_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_Q` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn print_Q(size :usize, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stdout]     |                         ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matrix_Q` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn matrix_Q(size :usize, matrix_A :&Vec<Vec<f64>>, matrix_B :&Vec<f64>) -> Vec<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:150:26
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn matrix_Q(size :usize, matrix_A :&Vec<Vec<f64>>, matrix_B :&Vec<f64>) -> Vec<Vec<f64>> {
[INFO] [stdout]     |                          ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_B` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:150:52
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn matrix_Q(size :usize, matrix_A :&Vec<Vec<f64>>, matrix_B :&Vec<f64>) -> Vec<Vec<f64>> {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: convert the identifier to snake case: `matrix_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_Q` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut matrix_Q :Vec<Vec<f64>> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:176:35
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn enter_matrix(size: &mut usize, matrix_A: &mut Vec<Vec<f64>>, matrix_B :&mut Vec<f64>) {
[INFO] [stdout]     |                                   ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_B` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:176:65
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn enter_matrix(size: &mut usize, matrix_A: &mut Vec<Vec<f64>>, matrix_B :&mut Vec<f64>) {
[INFO] [stdout]     |                                                                 ^^^^^^^^ help: convert the identifier to snake case: `matrix_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matrix_A` should have a snake case name
[INFO] [stdout]    --> src/lab2/main.rs:217:42
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn convergence_verification(size :usize, matrix_A :&Vec<Vec<f64>>) -> bool {
[INFO] [stdout]     |                                          ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "7aa4fdb053641a17747fae07fbe01f4137de245f4e787e6d7aca8d9b8b980f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa4fdb053641a17747fae07fbe01f4137de245f4e787e6d7aca8d9b8b980f88", kill_on_drop: false }`
[INFO] [stdout] 7aa4fdb053641a17747fae07fbe01f4137de245f4e787e6d7aca8d9b8b980f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a4d62672bfd008cbc5a6717503425ce770fdd9c3dc80911fde58d3230b3588f
[INFO] running `Command { std: "docker" "start" "-a" "5a4d62672bfd008cbc5a6717503425ce770fdd9c3dc80911fde58d3230b3588f", kill_on_drop: false }`
[INFO] [stderr] warning: function `dichotomy` is never used
[INFO] [stderr]  --> src/lab1/functions.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub(crate) fn dichotomy(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stderr]   |               ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `secant_method` is never used
[INFO] [stderr]   --> src/lab1/functions.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub(crate) fn secant_method(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `newton` is never used
[INFO] [stderr]   --> src/lab1/functions.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub(crate) fn newton(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `iteration_method` is never used
[INFO] [stderr]    --> src/lab1/functions.rs:106:15
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub(crate) fn iteration_method(a :f64, b :f64, precision :f64) -> (f64, i8) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `function_x` is never used
[INFO] [stderr]    --> src/lab1/functions.rs:142:4
[INFO] [stderr]     |
[INFO] [stderr] 142 | fn function_x(x :f64) -> f64 {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `proizv_1` is never used
[INFO] [stderr]    --> src/lab1/functions.rs:147:4
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn proizv_1(x :f64) -> f64 {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `proizv_2` is never used
[INFO] [stderr]    --> src/lab1/functions.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn proizv_2(x :f64) -> f64 {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `how_long_to_count` is never used
[INFO] [stderr]    --> src/lab1/functions.rs:181:15
[INFO] [stderr]     |
[INFO] [stderr] 181 | pub(crate) fn how_long_to_count(f :fn(f64, f64, f64) -> (f64, i8),
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lab1` (lib) generated 8 warnings
[INFO] [stderr] warning: unused variable: `matrix_A`
[INFO] [stderr]   --> src/lab2/main.rs:50:49
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn method_jacobi(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix_A`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matrix_A`
[INFO] [stderr]   --> src/lab2/main.rs:90:55
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn method_gauss_zeidel(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stderr]    |                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix_A`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lab2/main.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |             for i in 0..*size {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/lab2/main.rs:203:21
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 for j in 0..*size {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lab2/main.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |             for i in 0..*size {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: function `convergence_verification` is never used
[INFO] [stderr]    --> src/lab2/main.rs:217:4
[INFO] [stderr]     |
[INFO] [stderr] 217 | fn convergence_verification(size :usize, matrix_A :&Vec<Vec<f64>>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_A` should have a snake case name
[INFO] [stderr]   --> src/lab2/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut matrix_A :Vec<Vec<f64>> = vec![];
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_B` should have a snake case name
[INFO] [stderr]   --> src/lab2/main.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut matrix_B :Vec<f64> = vec![];
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case: `matrix_b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_Q` should have a snake case name
[INFO] [stderr]   --> src/lab2/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let matrix_Q = matrix_Q(size, &matrix_A, &matrix_B );
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_A` should have a snake case name
[INFO] [stderr]   --> src/lab2/main.rs:50:49
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn method_jacobi(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_Q` should have a snake case name
[INFO] [stderr]   --> src/lab2/main.rs:50:75
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn method_jacobi(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stderr]    |                                                                           ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_A` should have a snake case name
[INFO] [stderr]   --> src/lab2/main.rs:90:55
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn method_gauss_zeidel(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stderr]    |                                                       ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_Q` should have a snake case name
[INFO] [stderr]   --> src/lab2/main.rs:90:81
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn method_gauss_zeidel(q :f64, eps :f64, size :usize, matrix_A :&Vec<Vec<f64>>, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stderr]    |                                                                                 ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_Q` should have a snake case name
[INFO] [stderr]    --> src/lab2/main.rs:138:4
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn print_Q(size :usize, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stderr]     |    ^^^^^^^ help: convert the identifier to snake case: `print_q`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_Q` should have a snake case name
[INFO] [stderr]    --> src/lab2/main.rs:138:25
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn print_Q(size :usize, matrix_Q :&Vec<Vec<f64>>) {
[INFO] [stderr]     |                         ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stderr] 
[INFO] [stderr] warning: function `matrix_Q` should have a snake case name
[INFO] [stderr]    --> src/lab2/main.rs:150:4
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn matrix_Q(size :usize, matrix_A :&Vec<Vec<f64>>, matrix_B :&Vec<f64>) -> Vec<Vec<f64>> {
[INFO] [stderr]     |    ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_A` should have a snake case name
[INFO] [stderr]    --> src/lab2/main.rs:150:26
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn matrix_Q(size :usize, matrix_A :&Vec<Vec<f64>>, matrix_B :&Vec<f64>) -> Vec<Vec<f64>> {
[INFO] [stderr]     |                          ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_B` should have a snake case name
[INFO] [stderr]    --> src/lab2/main.rs:150:52
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn matrix_Q(size :usize, matrix_A :&Vec<Vec<f64>>, matrix_B :&Vec<f64>) -> Vec<Vec<f64>> {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: convert the identifier to snake case: `matrix_b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_Q` should have a snake case name
[INFO] [stderr]    --> src/lab2/main.rs:152:13
[INFO] [stderr]     |
[INFO] [stderr] 152 |     let mut matrix_Q :Vec<Vec<f64>> = Vec::new();
[INFO] [stderr]     |             ^^^^^^^^ help: convert the identifier to snake case: `matrix_q`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_A` should have a snake case name
[INFO] [stderr]    --> src/lab2/main.rs:176:35
[INFO] [stderr]     |
[INFO] [stderr] 176 | fn enter_matrix(size: &mut usize, matrix_A: &mut Vec<Vec<f64>>, matrix_B :&mut Vec<f64>) {
[INFO] [stderr]     |                                   ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_B` should have a snake case name
[INFO] [stderr]    --> src/lab2/main.rs:176:65
[INFO] [stderr]     |
[INFO] [stderr] 176 | fn enter_matrix(size: &mut usize, matrix_A: &mut Vec<Vec<f64>>, matrix_B :&mut Vec<f64>) {
[INFO] [stderr]     |                                                                 ^^^^^^^^ help: convert the identifier to snake case: `matrix_b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `matrix_A` should have a snake case name
[INFO] [stderr]    --> src/lab2/main.rs:217:42
[INFO] [stderr]     |
[INFO] [stderr] 217 | fn convergence_verification(size :usize, matrix_A :&Vec<Vec<f64>>) -> bool {
[INFO] [stderr]     |                                          ^^^^^^^^ help: convert the identifier to snake case: `matrix_a`
[INFO] [stderr] 
[INFO] [stderr] warning: function `how_long_to_count` is never used
[INFO] [stderr]    --> src/lab1/functions.rs:181:15
[INFO] [stderr]     |
[INFO] [stderr] 181 | pub(crate) fn how_long_to_count(f :fn(f64, f64, f64) -> (f64, i8),
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lab1` (bin "lab2" test) generated 22 warnings
[INFO] [stderr] warning: `lab1` (bin "lab1" test) generated 1 warning
[INFO] [stderr] warning: `lab1` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lab1-4ea2a54291c2307a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lab1/main.rs (/opt/rustwide/target/debug/deps/lab1-f35f946f0df26421)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lab2/main.rs (/opt/rustwide/target/debug/deps/lab2-d227544a3c3a7717)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lab1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a4d62672bfd008cbc5a6717503425ce770fdd9c3dc80911fde58d3230b3588f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4d62672bfd008cbc5a6717503425ce770fdd9c3dc80911fde58d3230b3588f", kill_on_drop: false }`
[INFO] [stdout] 5a4d62672bfd008cbc5a6717503425ce770fdd9c3dc80911fde58d3230b3588f