[INFO] cloning repository https://github.com/SCIMTA/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SCIMTA/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCIMTA%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCIMTA%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d35ddd5f551209ca2d87eed24161bbbcd60f43a
[INFO] testing SCIMTA/learning-rust against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCIMTA%2Flearning-rust" "/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/SCIMTA/learning-rust
[INFO] finished tweaking git repo https://github.com/SCIMTA/learning-rust
[INFO] tweaked toml for git repo https://github.com/SCIMTA/learning-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SCIMTA/learning-rust on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SCIMTA/learning-rust 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb7b21ca01d35ed4b0e4c1f64c00e1ca0a08ca7871f309b73c909006b0bd7e0e
[INFO] running `Command { std: "docker" "start" "-a" "bb7b21ca01d35ed4b0e4c1f64c00e1ca0a08ca7871f309b73c909006b0bd7e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb7b21ca01d35ed4b0e4c1f64c00e1ca0a08ca7871f309b73c909006b0bd7e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7b21ca01d35ed4b0e4c1f64c00e1ca0a08ca7871f309b73c909006b0bd7e0e", kill_on_drop: false }`
[INFO] [stdout] bb7b21ca01d35ed4b0e4c1f64c00e1ca0a08ca7871f309b73c909006b0bd7e0e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c038395bfa79b4cad3e016d915f7a079a757fb8320b2064bfc3c7e361000821f
[INFO] running `Command { std: "docker" "start" "-a" "c038395bfa79b4cad3e016d915f7a079a757fb8320b2064bfc3c7e361000821f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling class1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `bai1` is never used
[INFO] [stdout]  --> src/buoi1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn bai1() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai2` is never used
[INFO] [stdout]   --> src/buoi1.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn bai2() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai1` is never used
[INFO] [stdout]  --> src/buoi2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn bai1() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_value` is never used
[INFO] [stdout]  --> src/buoi2.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn change_value(input: u32, output: &mut u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai2` is never used
[INFO] [stdout]   --> src/buoi2.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn bai2() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_is_prime` is never used
[INFO] [stdout]   --> src/buoi2.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn num_is_prime(num: u64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai3` is never used
[INFO] [stdout]   --> src/buoi2.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn bai3() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai4` is never used
[INFO] [stdout]   --> src/buoi2.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn bai4() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `revert_array` is never used
[INFO] [stdout]   --> src/buoi2.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn revert_array(mut a: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `School` is never constructed
[INFO] [stdout]   --> src/buoi3.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct School {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `grades`, and `grade` are never used
[INFO] [stdout]    --> src/buoi3.rs:80:12
[INFO] [stdout]     |
[INFO] [stdout]  79 | impl School {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout]  80 |     pub fn new() -> School {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub fn add(&mut self, grade: u32, student: &str) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     pub fn grades(&self) -> Vec<u32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn grade(&self, grade: u32) -> Vec<String> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baitap` is never used
[INFO] [stdout]    --> src/buoi3.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn baitap() {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fibonacci` is never constructed
[INFO] [stdout]   --> src/buoi4.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Fibonacci {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci_numbers` is never used
[INFO] [stdout]   --> src/buoi4.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn fibonacci_numbers() -> Fibonacci {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai1` is never used
[INFO] [stdout]   --> src/buoi4.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn bai1() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `vec_Foo` should have a snake case name
[INFO] [stdout]   --> src/buoi4.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let vec_Foo = StrDisplayable(vec);
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `vec_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "c038395bfa79b4cad3e016d915f7a079a757fb8320b2064bfc3c7e361000821f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c038395bfa79b4cad3e016d915f7a079a757fb8320b2064bfc3c7e361000821f", kill_on_drop: false }`
[INFO] [stdout] c038395bfa79b4cad3e016d915f7a079a757fb8320b2064bfc3c7e361000821f
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b856b6c08f7a1c5fa4f860fdd117c8d7ba3c2359bfd1898fb36fa38a5b42e5b6
[INFO] running `Command { std: "docker" "start" "-a" "b856b6c08f7a1c5fa4f860fdd117c8d7ba3c2359bfd1898fb36fa38a5b42e5b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling class1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `bai1` is never used
[INFO] [stdout]  --> src/buoi1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn bai1() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai2` is never used
[INFO] [stdout]   --> src/buoi1.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn bai2() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai1` is never used
[INFO] [stdout]  --> src/buoi2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn bai1() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_value` is never used
[INFO] [stdout]  --> src/buoi2.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn change_value(input: u32, output: &mut u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai2` is never used
[INFO] [stdout]   --> src/buoi2.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn bai2() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_is_prime` is never used
[INFO] [stdout]   --> src/buoi2.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn num_is_prime(num: u64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai3` is never used
[INFO] [stdout]   --> src/buoi2.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn bai3() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai4` is never used
[INFO] [stdout]   --> src/buoi2.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn bai4() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `revert_array` is never used
[INFO] [stdout]   --> src/buoi2.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn revert_array(mut a: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `School` is never constructed
[INFO] [stdout]   --> src/buoi3.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct School {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `grades`, and `grade` are never used
[INFO] [stdout]    --> src/buoi3.rs:80:12
[INFO] [stdout]     |
[INFO] [stdout]  79 | impl School {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout]  80 |     pub fn new() -> School {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub fn add(&mut self, grade: u32, student: &str) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     pub fn grades(&self) -> Vec<u32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn grade(&self, grade: u32) -> Vec<String> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baitap` is never used
[INFO] [stdout]    --> src/buoi3.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn baitap() {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fibonacci` is never constructed
[INFO] [stdout]   --> src/buoi4.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Fibonacci {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci_numbers` is never used
[INFO] [stdout]   --> src/buoi4.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn fibonacci_numbers() -> Fibonacci {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bai1` is never used
[INFO] [stdout]   --> src/buoi4.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn bai1() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `vec_Foo` should have a snake case name
[INFO] [stdout]   --> src/buoi4.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let vec_Foo = StrDisplayable(vec);
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `vec_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "b856b6c08f7a1c5fa4f860fdd117c8d7ba3c2359bfd1898fb36fa38a5b42e5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b856b6c08f7a1c5fa4f860fdd117c8d7ba3c2359bfd1898fb36fa38a5b42e5b6", kill_on_drop: false }`
[INFO] [stdout] b856b6c08f7a1c5fa4f860fdd117c8d7ba3c2359bfd1898fb36fa38a5b42e5b6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1681bf0b26fad9207962f77a0f0b4402e302bb75eeefd129953f3248a88e027d
[INFO] running `Command { std: "docker" "start" "-a" "1681bf0b26fad9207962f77a0f0b4402e302bb75eeefd129953f3248a88e027d", kill_on_drop: false }`
[INFO] [stderr] warning: function `bai1` is never used
[INFO] [stdout] 
[INFO] [stderr]  --> src/buoi1.rs:3:8
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 | pub fn bai1() {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |        ^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `bai2` is never used
[INFO] [stderr]   --> src/buoi1.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn bai2() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bai1` is never used
[INFO] [stderr]  --> src/buoi2.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn bai1() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `change_value` is never used
[INFO] [stderr]  --> src/buoi2.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn change_value(input: u32, output: &mut u32) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bai2` is never used
[INFO] [stderr]   --> src/buoi2.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn bai2() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `num_is_prime` is never used
[INFO] [stderr]   --> src/buoi2.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn num_is_prime(num: u64) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bai3` is never used
[INFO] [stderr]   --> src/buoi2.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn bai3() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bai4` is never used
[INFO] [stderr]   --> src/buoi2.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn bai4() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `revert_array` is never used
[INFO] [stderr]   --> src/buoi2.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn revert_array(mut a: Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `School` is never constructed
[INFO] [stderr]   --> src/buoi3.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub struct School {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add`, `grades`, and `grade` are never used
[INFO] [stderr]    --> src/buoi3.rs:80:12
[INFO] [stderr]     |
[INFO] [stderr]  79 | impl School {
[INFO] [stderr]     | ----------- associated items in this implementation
[INFO] [stderr]  80 |     pub fn new() -> School {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  86 |     pub fn add(&mut self, grade: u32, student: &str) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  90 |     pub fn grades(&self) -> Vec<u32> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 101 |     pub fn grade(&self, grade: u32) -> Vec<String> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `baitap` is never used
[INFO] [stderr]    --> src/buoi3.rs:112:8
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn baitap() {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Fibonacci` is never constructed
[INFO] [stderr]   --> src/buoi4.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Fibonacci {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fibonacci_numbers` is never used
[INFO] [stderr]   --> src/buoi4.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn fibonacci_numbers() -> Fibonacci {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bai1` is never used
[INFO] [stderr]   --> src/buoi4.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn bai1() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `vec_Foo` should have a snake case name
[INFO] [stderr]   --> src/buoi4.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let vec_Foo = StrDisplayable(vec);
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `vec_foo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `class1` (bin "class1" test) generated 16 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/class1-388beac5c5f20270)
[INFO] running `Command { std: "docker" "inspect" "1681bf0b26fad9207962f77a0f0b4402e302bb75eeefd129953f3248a88e027d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1681bf0b26fad9207962f77a0f0b4402e302bb75eeefd129953f3248a88e027d", kill_on_drop: false }`
[INFO] [stdout] 1681bf0b26fad9207962f77a0f0b4402e302bb75eeefd129953f3248a88e027d