[INFO] cloning repository https://github.com/Akshola00/localcache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Akshola00/localcache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkshola00%2Flocalcache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkshola00%2Flocalcache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7599d90b3b474e846f29dae233cbba04088d202
[INFO] testing Akshola00/localcache against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkshola00%2Flocalcache" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Akshola00/localcache
[INFO] finished tweaking git repo https://github.com/Akshola00/localcache
[INFO] tweaked toml for git repo https://github.com/Akshola00/localcache written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Akshola00/localcache on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Akshola00/localcache 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1721c0905bebb85f96b1309ab7a02caf10a4e2d153c21695b59762e72ad74a2d
[INFO] running `Command { std: "docker" "start" "-a" "1721c0905bebb85f96b1309ab7a02caf10a4e2d153c21695b59762e72ad74a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1721c0905bebb85f96b1309ab7a02caf10a4e2d153c21695b59762e72ad74a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1721c0905bebb85f96b1309ab7a02caf10a4e2d153c21695b59762e72ad74a2d", kill_on_drop: false }`
[INFO] [stdout] 1721c0905bebb85f96b1309ab7a02caf10a4e2d153c21695b59762e72ad74a2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f0fdc4213074763d5e3bb9fc562b55457b5c09d161e2533cc5af7f1d8cb9c6b
[INFO] running `Command { std: "docker" "start" "-a" "6f0fdc4213074763d5e3bb9fc562b55457b5c09d161e2533cc5af7f1d8cb9c6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sessions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/cache.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_hashmap`
[INFO] [stdout]   --> src/cache.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let global_hashmap: HashMap<i32, &str> = Data::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_hashmap`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `todo_task` is never read
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     todo_task = create_todo(todo_task);
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/cache.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Data<K, V>(HashMap<K, V>);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `get`, `delete`, and `update` are never used
[INFO] [stdout]   --> src/cache.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<K: Eq + Hash + Copy, V> Data<K, V> {
[INFO] [stdout]    | --------------------------------------- associated items in this implementation
[INFO] [stdout] 8  |     
[INFO] [stdout] 9  |     fn new() -> HashMap<K, V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn add(&mut self, key: K, value: V) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn get(&self, key: K) -> Option<&V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn delete(&mut self, key: K) -> Result<V, &str> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn update(&mut self, key: K, value: V){
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/cache.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `status`, `date`, and `description` are never read
[INFO] [stdout]  --> src/todo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Todo {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     status: Status,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     date: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Todo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Completed` is never constructed
[INFO] [stdout]   --> src/todo.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Status {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 12 |     Pending,
[INFO] [stdout] 13 |     Completed,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "6f0fdc4213074763d5e3bb9fc562b55457b5c09d161e2533cc5af7f1d8cb9c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0fdc4213074763d5e3bb9fc562b55457b5c09d161e2533cc5af7f1d8cb9c6b", kill_on_drop: false }`
[INFO] [stdout] 6f0fdc4213074763d5e3bb9fc562b55457b5c09d161e2533cc5af7f1d8cb9c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4daee922047fefe6d12e4f634c32c6612b296df326b484244982988e3aacc72f
[INFO] running `Command { std: "docker" "start" "-a" "4daee922047fefe6d12e4f634c32c6612b296df326b484244982988e3aacc72f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sessions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/cache.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_hashmap`
[INFO] [stdout]   --> src/cache.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let global_hashmap: HashMap<i32, &str> = Data::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_hashmap`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `todo_task` is never read
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     todo_task = create_todo(todo_task);
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/cache.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Data<K, V>(HashMap<K, V>);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `get`, `delete`, and `update` are never used
[INFO] [stdout]   --> src/cache.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<K: Eq + Hash + Copy, V> Data<K, V> {
[INFO] [stdout]    | --------------------------------------- associated items in this implementation
[INFO] [stdout] 8  |     
[INFO] [stdout] 9  |     fn new() -> HashMap<K, V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn add(&mut self, key: K, value: V) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn get(&self, key: K) -> Option<&V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn delete(&mut self, key: K) -> Result<V, &str> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn update(&mut self, key: K, value: V){
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/cache.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `status`, `date`, and `description` are never read
[INFO] [stdout]  --> src/todo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Todo {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     status: Status,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     date: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Todo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Completed` is never constructed
[INFO] [stdout]   --> src/todo.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Status {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 12 |     Pending,
[INFO] [stdout] 13 |     Completed,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "4daee922047fefe6d12e4f634c32c6612b296df326b484244982988e3aacc72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4daee922047fefe6d12e4f634c32c6612b296df326b484244982988e3aacc72f", kill_on_drop: false }`
[INFO] [stdout] 4daee922047fefe6d12e4f634c32c6612b296df326b484244982988e3aacc72f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] adc459b2f4974ae19ea0ab4c46e163d5b6b2cfcfb81ae033a55f5f020eb5a353
[INFO] running `Command { std: "docker" "start" "-a" "adc459b2f4974ae19ea0ab4c46e163d5b6b2cfcfb81ae033a55f5f020eb5a353", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::Error`
[INFO] [stderr]  --> src/cache.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `global_hashmap`
[INFO] [stderr]   --> src/cache.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let global_hashmap: HashMap<i32, &str> = Data::new();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_hashmap`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `todo_task` is never read
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     todo_task = create_todo(todo_task);
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Data` is never constructed
[INFO] [stderr]  --> src/cache.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Data<K, V>(HashMap<K, V>);
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add`, `get`, `delete`, and `update` are never used
[INFO] [stderr]   --> src/cache.rs:9:8
[INFO] [stderr]    |
[INFO] [stderr] 7  | impl<K: Eq + Hash + Copy, V> Data<K, V> {
[INFO] [stderr]    | --------------------------------------- associated items in this implementation
[INFO] [stderr] 8  |     
[INFO] [stderr] 9  |     fn new() -> HashMap<K, V> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     fn add(&mut self, key: K, value: V) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     fn get(&self, key: K) -> Option<&V> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn delete(&mut self, key: K) -> Result<V, &str> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn update(&mut self, key: K, value: V){
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/cache.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id`, `title`, `status`, `date`, and `description` are never read
[INFO] [stderr]  --> src/todo.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Todo {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 3 |     id: u32,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 4 |     title: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 5 |     status: Status,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 6 |     date: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 7 |     description: String,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Todo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Completed` is never constructed
[INFO] [stderr]   --> src/todo.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Status {
[INFO] [stderr]    |          ------ variant in this enum
[INFO] [stderr] 12 |     Pending,
[INFO] [stderr] 13 |     Completed,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_sessions` (bin "rust_sessions" test) generated 8 warnings (run `cargo fix --bin "rust_sessions" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_sessions-d1c69b8cb17d5999)
[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" "adc459b2f4974ae19ea0ab4c46e163d5b6b2cfcfb81ae033a55f5f020eb5a353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc459b2f4974ae19ea0ab4c46e163d5b6b2cfcfb81ae033a55f5f020eb5a353", kill_on_drop: false }`
[INFO] [stdout] adc459b2f4974ae19ea0ab4c46e163d5b6b2cfcfb81ae033a55f5f020eb5a353
