[INFO] cloning repository https://github.com/littlee5521/rust_task_list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/littlee5521/rust_task_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlee5521%2Frust_task_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlee5521%2Frust_task_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff22e78e636cb20a0f9a9635fd2337f07e5f9c58
[INFO] testing littlee5521/rust_task_list against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlee5521%2Frust_task_list" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/littlee5521/rust_task_list
[INFO] finished tweaking git repo https://github.com/littlee5521/rust_task_list
[INFO] tweaked toml for git repo https://github.com/littlee5521/rust_task_list written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/littlee5521/rust_task_list on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/littlee5521/rust_task_list 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9
[INFO] running `Command { std: "docker" "start" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling task_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TaskGroup` and `Task`
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use notes_structure::{Task, TaskGroup, TaskManager};
[INFO] [stdout]   |                       ^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut main_task = TaskManager { group: vec![] };
[INFO] [stdout]   |         ----^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_body` and `completed` are never read
[INFO] [stdout]  --> src/notes_structure.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Task {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub task_body: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 4 |     pub completed: bool,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Task` 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: methods `switch_task_state` and `edit_task_body` are never used
[INFO] [stdout]   --> src/notes_structure.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Task {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout]  8 |     pub fn switch_task_state(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn edit_task_body(&mut self, text: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `manager` is never read
[INFO] [stdout]   --> src/notes_structure.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TaskGroup {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub manager: Vec<Task>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `change_title`, `add_task`, `print_task_list`, and `remove_task` are never used
[INFO] [stdout]   --> src/notes_structure.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl TaskGroup {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 21 |     pub fn change_title(&mut self, new_title: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn add_task(&mut self, task: Task) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn print_task_list(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn remove_task(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling task_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TaskGroup` and `Task`
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use notes_structure::{Task, TaskGroup, TaskManager};
[INFO] [stdout]   |                       ^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut main_task = TaskManager { group: vec![] };
[INFO] [stdout]   |         ----^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `task_body` and `completed` are never read
[INFO] [stdout]  --> src/notes_structure.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Task {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub task_body: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 4 |     pub completed: bool,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Task` 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: methods `switch_task_state` and `edit_task_body` are never used
[INFO] [stdout]   --> src/notes_structure.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Task {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout]  8 |     pub fn switch_task_state(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn edit_task_body(&mut self, text: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `manager` is never read
[INFO] [stdout]   --> src/notes_structure.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TaskGroup {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub manager: Vec<Task>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `change_title`, `add_task`, `print_task_list`, and `remove_task` are never used
[INFO] [stdout]   --> src/notes_structure.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl TaskGroup {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 21 |     pub fn change_title(&mut self, new_title: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn add_task(&mut self, task: Task) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn print_task_list(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn remove_task(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `TaskGroup` and `Task`
[INFO] [stderr]  --> src/main.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use notes_structure::{Task, TaskGroup, TaskManager};
[INFO] [stderr]   |                       ^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut main_task = TaskManager { group: vec![] };
[INFO] [stderr]   |         ----^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `task_body` and `completed` are never read
[INFO] [stderr]  --> src/notes_structure.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Task {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 3 |     pub task_body: String,
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr] 4 |     pub completed: bool,
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Task` 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: methods `switch_task_state` and `edit_task_body` are never used
[INFO] [stderr]   --> src/notes_structure.rs:8:12
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl Task {
[INFO] [stderr]    | --------- methods in this implementation
[INFO] [stderr]  8 |     pub fn switch_task_state(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     pub fn edit_task_body(&mut self, text: String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `manager` is never read
[INFO] [stderr]   --> src/notes_structure.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct TaskGroup {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stdout] 
[INFO] [stderr] 18 |     pub manager: Vec<Task>,
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: methods `change_title`, `add_task`, `print_task_list`, and `remove_task` are never used
[INFO] [stdout] 
[INFO] [stderr]   --> src/notes_structure.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl TaskGroup {
[INFO] [stderr]    | -------------- methods in this implementation
[INFO] [stderr] 21 |     pub fn change_title(&mut self, new_title: String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn add_task(&mut self, task: Task) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn print_task_list(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn remove_task(&mut self, index: usize) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `task_list` (bin "task_list" test) generated 6 warnings (run `cargo fix --bin "task_list" -p task_list --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/task_list-2bb061979926ed5f)
[INFO] running `Command { std: "docker" "inspect" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9", kill_on_drop: false }`
[INFO] [stdout] a6431e98a9c2d989a1d5964466c5ff02ad0d257398e8dab92d7a9a71ae43ebe9
