[INFO] cloning repository https://github.com/mecaneer23/todo-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mecaneer23/todo-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmecaneer23%2Ftodo-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmecaneer23%2Ftodo-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2201c6594bd9a4c552f4ddafa29033abbc072566
[INFO] testing mecaneer23/todo-rs 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%2Fmecaneer23%2Ftodo-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mecaneer23/todo-rs
[INFO] finished tweaking git repo https://github.com/mecaneer23/todo-rs
[INFO] tweaked toml for git repo https://github.com/mecaneer23/todo-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mecaneer23/todo-rs 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/mecaneer23/todo-rs 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d6cacc4c77c294ab684a5b532cbdfc277eef85f0728f6227f458948c9df8fac9
[INFO] running `Command { std: "docker" "start" "-a" "d6cacc4c77c294ab684a5b532cbdfc277eef85f0728f6227f458948c9df8fac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6cacc4c77c294ab684a5b532cbdfc277eef85f0728f6227f458948c9df8fac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6cacc4c77c294ab684a5b532cbdfc277eef85f0728f6227f458948c9df8fac9", kill_on_drop: false }`
[INFO] [stdout] d6cacc4c77c294ab684a5b532cbdfc277eef85f0728f6227f458948c9df8fac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c46a0b0c2671d7ed195ef0cb68d3db581ad3145362ac951311163bc2e9d7787e
[INFO] running `Command { std: "docker" "start" "-a" "c46a0b0c2671d7ed195ef0cb68d3db581ad3145362ac951311163bc2e9d7787e", kill_on_drop: false }`
[INFO] [stderr]    Compiling todo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::class_mode::Mode`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use self::class_mode::Mode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/class_history.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, write};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::class_history::UndoRedo`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use self::class_history::UndoRedo;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selected`
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut selected: Cursor = Cursor::new(vec![0]);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut todos = validate_file(read_file(FILENAME));
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut selected: Cursor = Cursor::new(vec![0]);
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]  --> src/class_todo.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Todo {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 5 |     pub text: 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]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_idx`, `get_len`, and `set_display_text` are never used
[INFO] [stdout]   --> src/class_todo.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Todo {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn get_idx(&self, key: i32) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn get_len(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn set_display_text(&mut self, display_text: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `positions` and `direction` are never read
[INFO] [stdout]  --> src/class_cursor.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Cursor {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub positions: Vec<usize>,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 6 |     direction: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/class_cursor.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 9   | impl Cursor {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17  |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21  |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25  |     pub fn to_int(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29  |     pub fn contains(&self, child: &usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33  |     pub fn get(&self) -> &Vec<usize> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37  |     pub fn get_first(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41  |     pub fn get_last(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45  |     pub fn set_to(&mut self, position: usize) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49  |     pub fn todo_set_to(&mut self, todo_position: (Vec<Todo>, usize)) -> Vec<Todo> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54  |     pub fn todos_override(&mut self, todos: Vec<Todo>, positions: Vec<usize>) -> Vec<Todo> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn slide_up(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68  |     pub fn slide_down(&mut self, max_len: &usize) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78  |     pub fn select_next(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |     pub fn deselect_next(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     pub fn deselect_prev(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97  |     pub fn select_prev(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn get_deletable(self) -> Vec<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn multiselect_down(&mut self, max_len: &usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn multiselect_up(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn multiselect_top(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn multiselect_bottom(&mut self, max_len: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     pub fn multiselect_to(&mut self, position: usize, max_len: &usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn multiselect_from(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn multiselect_all(&mut self, max_len: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mode` is never constructed
[INFO] [stdout]  --> src/class_mode.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Mode {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `toggle`, and `is_not_on` are never used
[INFO] [stdout]   --> src/class_mode.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Mode {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 6  |     pub fn new(toggle_mode: bool) -> Mode {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub fn toggle(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn is_not_on(self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Restorable` is never constructed
[INFO] [stdout]  --> src/class_history.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Restorable {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get` are never used
[INFO] [stdout]   --> src/class_history.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Restorable {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(todos: Vec<Todo>, selected: usize) -> Restorable {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn get(&self) -> (Vec<Todo>, usize) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UndoRedo` is never constructed
[INFO] [stdout]   --> src/class_history.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct UndoRedo {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `undo`, and `redo` are never used
[INFO] [stdout]   --> src/class_history.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl UndoRedo {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 50 |     pub fn new() -> UndoRedo {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn add(&mut self, todos: Vec<Todo>, selected: usize) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn undo(&mut self) -> (Vec<Todo>, usize) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn redo(&mut self) -> (Vec<Todo>, usize) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "c46a0b0c2671d7ed195ef0cb68d3db581ad3145362ac951311163bc2e9d7787e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46a0b0c2671d7ed195ef0cb68d3db581ad3145362ac951311163bc2e9d7787e", kill_on_drop: false }`
[INFO] [stdout] c46a0b0c2671d7ed195ef0cb68d3db581ad3145362ac951311163bc2e9d7787e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 552294ca6dde45f1aed8eb1bd321981f014126f772ebadf23c726d70276b5514
[INFO] running `Command { std: "docker" "start" "-a" "552294ca6dde45f1aed8eb1bd321981f014126f772ebadf23c726d70276b5514", kill_on_drop: false }`
[INFO] [stderr]    Compiling todo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::class_mode::Mode`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use self::class_mode::Mode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/class_history.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, write};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::class_history::UndoRedo`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use self::class_history::UndoRedo;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selected`
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut selected: Cursor = Cursor::new(vec![0]);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut todos = validate_file(read_file(FILENAME));
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut selected: Cursor = Cursor::new(vec![0]);
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]  --> src/class_todo.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Todo {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 5 |     pub text: 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]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_idx`, `get_len`, and `set_display_text` are never used
[INFO] [stdout]   --> src/class_todo.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Todo {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn get_idx(&self, key: i32) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn get_len(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn set_display_text(&mut self, display_text: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `positions` and `direction` are never read
[INFO] [stdout]  --> src/class_cursor.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Cursor {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub positions: Vec<usize>,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 6 |     direction: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/class_cursor.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 9   | impl Cursor {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17  |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21  |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25  |     pub fn to_int(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29  |     pub fn contains(&self, child: &usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33  |     pub fn get(&self) -> &Vec<usize> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37  |     pub fn get_first(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41  |     pub fn get_last(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45  |     pub fn set_to(&mut self, position: usize) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49  |     pub fn todo_set_to(&mut self, todo_position: (Vec<Todo>, usize)) -> Vec<Todo> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54  |     pub fn todos_override(&mut self, todos: Vec<Todo>, positions: Vec<usize>) -> Vec<Todo> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     pub fn slide_up(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68  |     pub fn slide_down(&mut self, max_len: &usize) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78  |     pub fn select_next(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |     pub fn deselect_next(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     pub fn deselect_prev(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97  |     pub fn select_prev(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn get_deletable(self) -> Vec<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn multiselect_down(&mut self, max_len: &usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn multiselect_up(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn multiselect_top(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn multiselect_bottom(&mut self, max_len: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     pub fn multiselect_to(&mut self, position: usize, max_len: &usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn multiselect_from(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn multiselect_all(&mut self, max_len: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mode` is never constructed
[INFO] [stdout]  --> src/class_mode.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Mode {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `toggle`, and `is_not_on` are never used
[INFO] [stdout]   --> src/class_mode.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Mode {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 6  |     pub fn new(toggle_mode: bool) -> Mode {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub fn toggle(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn is_not_on(self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Restorable` is never constructed
[INFO] [stdout]  --> src/class_history.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Restorable {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get` are never used
[INFO] [stdout]   --> src/class_history.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Restorable {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(todos: Vec<Todo>, selected: usize) -> Restorable {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn get(&self) -> (Vec<Todo>, usize) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UndoRedo` is never constructed
[INFO] [stdout]   --> src/class_history.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct UndoRedo {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `undo`, and `redo` are never used
[INFO] [stdout]   --> src/class_history.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl UndoRedo {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 50 |     pub fn new() -> UndoRedo {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn add(&mut self, todos: Vec<Todo>, selected: usize) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn undo(&mut self) -> (Vec<Todo>, usize) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn redo(&mut self) -> (Vec<Todo>, usize) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "552294ca6dde45f1aed8eb1bd321981f014126f772ebadf23c726d70276b5514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552294ca6dde45f1aed8eb1bd321981f014126f772ebadf23c726d70276b5514", kill_on_drop: false }`
[INFO] [stdout] 552294ca6dde45f1aed8eb1bd321981f014126f772ebadf23c726d70276b5514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e9b6f9305346f5d9e6e615ad3de1ed8d31543b2dc0ff0d1a798856ca50620df9
[INFO] running `Command { std: "docker" "start" "-a" "e9b6f9305346f5d9e6e615ad3de1ed8d31543b2dc0ff0d1a798856ca50620df9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::class_mode::Mode`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use self::class_mode::Mode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]  --> src/class_history.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{self, write};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::class_history::UndoRedo`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use self::class_history::UndoRedo;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `selected`
[INFO] [stderr]   --> src/main.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut selected: Cursor = Cursor::new(vec![0]);
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut todos = validate_file(read_file(FILENAME));
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut selected: Cursor = Cursor::new(vec![0]);
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `text` is never read
[INFO] [stderr]  --> src/class_todo.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Todo {
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] 5 |     pub text: 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]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_idx`, `get_len`, and `set_display_text` are never used
[INFO] [stderr]   --> src/class_todo.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Todo {
[INFO] [stderr]    | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 68 |     pub fn get_idx(&self, key: i32) -> String {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn get_len(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     pub fn set_display_text(&mut self, display_text: &str) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `positions` and `direction` are never read
[INFO] [stderr]  --> src/class_cursor.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Cursor {
[INFO] [stderr]   |            ------ fields in this struct
[INFO] [stderr] 5 |     pub positions: Vec<usize>,
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr] 6 |     direction: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/class_cursor.rs:17:12
[INFO] [stderr]     |
[INFO] [stderr] 9   | impl Cursor {
[INFO] [stderr]     | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17  |     pub fn len(&self) -> usize {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 21  |     pub fn to_string(&self) -> String {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25  |     pub fn to_int(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 29  |     pub fn contains(&self, child: &usize) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33  |     pub fn get(&self) -> &Vec<usize> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 37  |     pub fn get_first(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41  |     pub fn get_last(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45  |     pub fn set_to(&mut self, position: usize) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49  |     pub fn todo_set_to(&mut self, todo_position: (Vec<Todo>, usize)) -> Vec<Todo> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 54  |     pub fn todos_override(&mut self, todos: Vec<Todo>, positions: Vec<usize>) -> Vec<Todo> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59  |     pub fn slide_up(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68  |     pub fn slide_down(&mut self, max_len: &usize) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 78  |     pub fn select_next(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 84  |     pub fn deselect_next(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90  |     pub fn deselect_prev(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 97  |     pub fn select_prev(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     pub fn get_deletable(self) -> Vec<usize> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 106 |     pub fn multiselect_down(&mut self, max_len: &usize) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 119 |     pub fn multiselect_up(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 132 |     pub fn multiselect_top(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 138 |     pub fn multiselect_bottom(&mut self, max_len: usize) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 144 |     pub fn multiselect_to(&mut self, position: usize, max_len: &usize) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 154 |     pub fn multiselect_from(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 158 |     pub fn multiselect_all(&mut self, max_len: usize) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Mode` is never constructed
[INFO] [stderr]  --> src/class_mode.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Mode {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `toggle`, and `is_not_on` are never used
[INFO] [stderr]   --> src/class_mode.rs:6:12
[INFO] [stderr]    |
[INFO] [stderr] 5  | impl Mode {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 6  |     pub fn new(toggle_mode: bool) -> Mode {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |     pub fn toggle(&mut self) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     pub fn is_not_on(self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Restorable` is never constructed
[INFO] [stderr]  --> src/class_history.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Restorable {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `get` are never used
[INFO] [stderr]   --> src/class_history.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Restorable {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 11 |     pub fn new(todos: Vec<Todo>, selected: usize) -> Restorable {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn get(&self) -> (Vec<Todo>, usize) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UndoRedo` is never constructed
[INFO] [stderr]   --> src/class_history.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct UndoRedo {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add`, `undo`, and `redo` are never used
[INFO] [stderr]   --> src/class_history.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 49 | impl UndoRedo {
[INFO] [stderr]    | ------------- associated items in this implementation
[INFO] [stderr] 50 |     pub fn new() -> UndoRedo {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn add(&mut self, todos: Vec<Todo>, selected: usize) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     pub fn undo(&mut self) -> (Vec<Todo>, usize) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     pub fn redo(&mut self) -> (Vec<Todo>, usize) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `todo-rs` (bin "todo-rs" test) generated 16 warnings (run `cargo fix --bin "todo-rs" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/todo_rs-d7c78ce07262ef1d)
[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" "e9b6f9305346f5d9e6e615ad3de1ed8d31543b2dc0ff0d1a798856ca50620df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b6f9305346f5d9e6e615ad3de1ed8d31543b2dc0ff0d1a798856ca50620df9", kill_on_drop: false }`
[INFO] [stdout] e9b6f9305346f5d9e6e615ad3de1ed8d31543b2dc0ff0d1a798856ca50620df9
