[INFO] fetching crate stock-calc 1.0.1...
[INFO] testing stock-calc-1.0.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate stock-calc 1.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate stock-calc 1.0.1
[INFO] finished tweaking crates.io crate stock-calc 1.0.1
[INFO] tweaked toml for crates.io crate stock-calc 1.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stock-calc 1.0.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stock-calc 1.0.1 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "069f15b02c937f2fcccd10fe39d737d3a334dfc82c765f2cb6a93ebc6d20ab85", kill_on_drop: false }`
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[INFO] [stderr]    Compiling stock-calc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `retry`
[INFO] [stdout]    --> src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     retry: u32,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_retry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidStockCode` and `StorageError` are never constructed
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum StockCalcError {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     InvalidStockCode(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     StorageError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StockCalcError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidNumber` is never constructed
[INFO] [stdout]   --> src/error.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum ValidationError {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 42 |     InvalidNumber,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ValidationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create_default_config` is never used
[INFO] [stdout]    --> src/config.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl AppConfig {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn create_default_config() -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `validate_stock_code` is never used
[INFO] [stdout]   --> src/api.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl StockApi {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub async fn validate_stock_code(&self, stock_code: &str) -> Result<bool> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `format_percentage` is never used
[INFO] [stdout]    --> src/calculator.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout]   7 | impl StockCalculator {
[INFO] [stdout]     | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn format_percentage(percentage: f64) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]  --> src/storage.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Storage {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 9 |     config: AppConfig,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update_stock`, `backup_database`, `restore_database`, `clear_database`, and `get_database_info` are never used
[INFO] [stdout]    --> src/storage.rs:71:12
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl Storage {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn update_stock(&self, stock: StockData) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |     pub fn backup_database(&self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     pub fn restore_database(&self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn clear_database(&self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn get_database_info(&self) -> Result<DatabaseInfo> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/storage.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_help` is never used
[INFO] [stdout]    --> src/cli.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub fn print_help() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 52s
[INFO] running `Command { std: "docker" "inspect" "d161c0e620fa17de7170e6ba1576a3f74bf4f2d40e5c15982a8ba7abed03446e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d161c0e620fa17de7170e6ba1576a3f74bf4f2d40e5c15982a8ba7abed03446e", kill_on_drop: false }`
[INFO] [stdout] d161c0e620fa17de7170e6ba1576a3f74bf4f2d40e5c15982a8ba7abed03446e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abbf5d88f5eb58aef7e27bf369acda792ac9c49c7485ad3c7c92f46d4ba317a5
[INFO] running `Command { std: "docker" "start" "-a" "abbf5d88f5eb58aef7e27bf369acda792ac9c49c7485ad3c7c92f46d4ba317a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling stock-calc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `retry`
[INFO] [stdout]    --> src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     retry: u32,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_retry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidStockCode` and `StorageError` are never constructed
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum StockCalcError {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     InvalidStockCode(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     StorageError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StockCalcError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidNumber` is never constructed
[INFO] [stdout]   --> src/error.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum ValidationError {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 42 |     InvalidNumber,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ValidationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create_default_config` is never used
[INFO] [stdout]    --> src/config.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl AppConfig {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn create_default_config() -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `validate_stock_code` is never used
[INFO] [stdout]   --> src/api.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl StockApi {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub async fn validate_stock_code(&self, stock_code: &str) -> Result<bool> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `format_percentage` is never used
[INFO] [stdout]    --> src/calculator.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout]   7 | impl StockCalculator {
[INFO] [stdout]     | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn format_percentage(percentage: f64) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]  --> src/storage.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Storage {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 9 |     config: AppConfig,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update_stock`, `backup_database`, `restore_database`, `clear_database`, and `get_database_info` are never used
[INFO] [stdout]    --> src/storage.rs:71:12
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl Storage {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn update_stock(&self, stock: StockData) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |     pub fn backup_database(&self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     pub fn restore_database(&self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn clear_database(&self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn get_database_info(&self) -> Result<DatabaseInfo> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/storage.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_help` is never used
[INFO] [stdout]    --> src/cli.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub fn print_help() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 27.89s
[INFO] running `Command { std: "docker" "inspect" "abbf5d88f5eb58aef7e27bf369acda792ac9c49c7485ad3c7c92f46d4ba317a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abbf5d88f5eb58aef7e27bf369acda792ac9c49c7485ad3c7c92f46d4ba317a5", kill_on_drop: false }`
[INFO] [stdout] abbf5d88f5eb58aef7e27bf369acda792ac9c49c7485ad3c7c92f46d4ba317a5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d08f5f0fca606ba0e2ef15f3feb1e12394a15a41cd36271f84be19c74ee979fc
[INFO] running `Command { std: "docker" "start" "-a" "d08f5f0fca606ba0e2ef15f3feb1e12394a15a41cd36271f84be19c74ee979fc", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `retry`
[INFO] [stderr]    --> src/main.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     retry: u32,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_retry`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `InvalidStockCode` and `StorageError` are never constructed
[INFO] [stderr]   --> src/error.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr]  4 | pub enum StockCalcError {
[INFO] [stderr]    |          -------------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 12 |     InvalidStockCode(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     StorageError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StockCalcError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `InvalidNumber` is never constructed
[INFO] [stderr]   --> src/error.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub enum ValidationError {
[INFO] [stderr]    |          --------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 42 |     InvalidNumber,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ValidationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `create_default_config` is never used
[INFO] [stderr]    --> src/config.rs:102:12
[INFO] [stderr]     |
[INFO] [stderr]  56 | impl AppConfig {
[INFO] [stderr]     | -------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 102 |     pub fn create_default_config() -> Result<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `validate_stock_code` is never used
[INFO] [stderr]   --> src/api.rs:79:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl StockApi {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub async fn validate_stock_code(&self, stock_code: &str) -> Result<bool> {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `format_percentage` is never used
[INFO] [stderr]    --> src/calculator.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr]   7 | impl StockCalculator {
[INFO] [stderr]     | -------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 129 |     pub fn format_percentage(percentage: f64) -> String {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `config` is never read
[INFO] [stderr]  --> src/storage.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Storage {
[INFO] [stderr]   |            ------- field in this struct
[INFO] [stderr] 9 |     config: AppConfig,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `update_stock`, `backup_database`, `restore_database`, `clear_database`, and `get_database_info` are never used
[INFO] [stderr]    --> src/storage.rs:71:12
[INFO] [stderr]     |
[INFO] [stderr]  12 | impl Storage {
[INFO] [stderr]     | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  71 |     pub fn update_stock(&self, stock: StockData) -> Result<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  77 |     pub fn backup_database(&self) -> Result<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  89 |     pub fn restore_database(&self) -> Result<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 |     pub fn clear_database(&self) -> Result<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |     pub fn get_database_info(&self) -> Result<DatabaseInfo> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DatabaseInfo` is never constructed
[INFO] [stderr]    --> src/storage.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 | pub struct DatabaseInfo {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_help` is never used
[INFO] [stderr]    --> src/cli.rs:200:8
[INFO] [stderr]     |
[INFO] [stderr] 200 | pub fn print_help() {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stock-calc` (bin "stock-calc" test) generated 10 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stock_calc-a5bf8977a8431ee7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test calculator::tests::test_classify_investment_scale ... ok
[INFO] [stdout] test calculator::tests::test_calculate_analysis ... ok
[INFO] [stdout] test calculator::tests::test_validate_input ... ok
[INFO] [stdout] test storage::tests::test_storage_operations ... ok
[INFO] [stdout] test api::tests::test_parse_stock_price ... ok
[INFO] [stdout] test tests::test_calculate_command ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d08f5f0fca606ba0e2ef15f3feb1e12394a15a41cd36271f84be19c74ee979fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08f5f0fca606ba0e2ef15f3feb1e12394a15a41cd36271f84be19c74ee979fc", kill_on_drop: false }`
[INFO] [stdout] d08f5f0fca606ba0e2ef15f3feb1e12394a15a41cd36271f84be19c74ee979fc