[INFO] cloning repository https://github.com/kana-rus/learn_editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kana-rus/learn_editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkana-rus%2Flearn_editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkana-rus%2Flearn_editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46e2b1309020ea1058f850f683b2f8d6e9aee256
[INFO] testing kana-rus/learn_editor against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkana-rus%2Flearn_editor" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kana-rus/learn_editor on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kana-rus/learn_editor
[INFO] finished tweaking git repo https://github.com/kana-rus/learn_editor
[INFO] tweaked toml for git repo https://github.com/kana-rus/learn_editor written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kana-rus/learn_editor 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing kana-rus/learn_editor against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkana-rus%2Flearn_editor" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kana-rus/learn_editor on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kana-rus/learn_editor
[INFO] finished tweaking git repo https://github.com/kana-rus/learn_editor
[INFO] tweaked toml for git repo https://github.com/kana-rus/learn_editor written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kana-rus/learn_editor 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1091d3e204dbfe6d6f2b55f2e47ca2922b2cbacbfd28e2be8f599f69226a54e2
[INFO] running `Command { std: "docker" "start" "-a" "1091d3e204dbfe6d6f2b55f2e47ca2922b2cbacbfd28e2be8f599f69226a54e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1091d3e204dbfe6d6f2b55f2e47ca2922b2cbacbfd28e2be8f599f69226a54e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1091d3e204dbfe6d6f2b55f2e47ca2922b2cbacbfd28e2be8f599f69226a54e2", kill_on_drop: false }`
[INFO] [stdout] 1091d3e204dbfe6d6f2b55f2e47ca2922b2cbacbfd28e2be8f599f69226a54e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3874a16ab6bcda9211c2b175f46614137131464fe8fcdf6674686c453154e2df
[INFO] running `Command { std: "docker" "start" "-a" "3874a16ab6bcda9211c2b175f46614137131464fe8fcdf6674686c453154e2df", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.26.0
[INFO] [stderr]    Compiling learn_editor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `buffer` is never read
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Editor {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 34 |     config: Config,
[INFO] [stdout] 35 |     buffer: Buffer,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/buffer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct Buffer(
[INFO] [stdout]   |                   ------ field in this struct
[INFO] [stdout] 8 |     VecDeque<Line>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ()
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `indent` and `content` are never read
[INFO] [stdout]   --> src/buffer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Line {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 11 |     indent:  u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     content: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Insert`, `Delete`, and `Enter` are never constructed
[INFO] [stdout]   --> src/buffer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum BufWriter {
[INFO] [stdout]    |                 --------- variants in this enum
[INFO] [stdout] 15 |     Insert(char),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     Delete,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     Enter,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `line`, `line_mut`, `insert`, `delete`, and `enter` are never used
[INFO] [stdout]   --> src/buffer.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Buffer {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn line(&self, index: usize) -> Result<&Line> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn line_mut(&mut self, index: usize) -> Result<&mut Line> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn insert(&mut self, (x, y): (usize, usize), char: char) -> Result<BufWriter> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn delete(&mut self, (x, y): (usize, usize)) -> Result<BufWriter> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn enter(&mut self, (x, y): (usize, usize)) -> Result<BufWriter> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_y` is never used
[INFO] [stdout]   --> src/cursor.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Cursor {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn set_y(&mut self, new_y: usize) -> &mut Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/window.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct Window {
[INFO] [stdout]   |                   ------ field in this struct
[INFO] [stdout] 5 |     size:   (u16, u16),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "3874a16ab6bcda9211c2b175f46614137131464fe8fcdf6674686c453154e2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3874a16ab6bcda9211c2b175f46614137131464fe8fcdf6674686c453154e2df", kill_on_drop: false }`
[INFO] [stdout] 3874a16ab6bcda9211c2b175f46614137131464fe8fcdf6674686c453154e2df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3ac65b2e229bd8945d4015972553085c67882244815d51ef08683258e3b0023
[INFO] running `Command { std: "docker" "start" "-a" "b3ac65b2e229bd8945d4015972553085c67882244815d51ef08683258e3b0023", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_editor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `buffer` is never read
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Editor {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 34 |     config: Config,
[INFO] [stdout] 35 |     buffer: Buffer,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/buffer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct Buffer(
[INFO] [stdout]   |                   ------ field in this struct
[INFO] [stdout] 8 |     VecDeque<Line>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ()
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `indent` and `content` are never read
[INFO] [stdout]   --> src/buffer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Line {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 11 |     indent:  u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     content: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Insert`, `Delete`, and `Enter` are never constructed
[INFO] [stdout]   --> src/buffer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum BufWriter {
[INFO] [stdout]    |                 --------- variants in this enum
[INFO] [stdout] 15 |     Insert(char),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     Delete,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     Enter,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `line`, `line_mut`, `insert`, `delete`, and `enter` are never used
[INFO] [stdout]   --> src/buffer.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Buffer {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn line(&self, index: usize) -> Result<&Line> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn line_mut(&mut self, index: usize) -> Result<&mut Line> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn insert(&mut self, (x, y): (usize, usize), char: char) -> Result<BufWriter> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn delete(&mut self, (x, y): (usize, usize)) -> Result<BufWriter> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn enter(&mut self, (x, y): (usize, usize)) -> Result<BufWriter> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_y` is never used
[INFO] [stdout]   --> src/cursor.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Cursor {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn set_y(&mut self, new_y: usize) -> &mut Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/window.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct Window {
[INFO] [stdout]   |                   ------ field in this struct
[INFO] [stdout] 5 |     size:   (u16, u16),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3ac65b2e229bd8945d4015972553085c67882244815d51ef08683258e3b0023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ac65b2e229bd8945d4015972553085c67882244815d51ef08683258e3b0023", kill_on_drop: false }`
[INFO] [stdout] b3ac65b2e229bd8945d4015972553085c67882244815d51ef08683258e3b0023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90bb94c4ca81b3d43d6d7c461d7d1a18ddbf74b938c1e6f336751d4df5fc2dde
[INFO] running `Command { std: "docker" "start" "-a" "90bb94c4ca81b3d43d6d7c461d7d1a18ddbf74b938c1e6f336751d4df5fc2dde", kill_on_drop: false }`
[INFO] [stderr] warning: field `buffer` is never read
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct Editor {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 34 |     config: Config,
[INFO] [stderr] 35 |     buffer: Buffer,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/buffer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub(crate) struct Buffer(
[INFO] [stderr]   |                   ------ field in this struct
[INFO] [stderr] 8 |     VecDeque<Line>
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ()
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `indent` and `content` are never read
[INFO] [stderr]   --> src/buffer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Line {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 11 |     indent:  u16,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 12 |     content: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Insert`, `Delete`, and `Enter` are never constructed
[INFO] [stderr]   --> src/buffer.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) enum BufWriter {
[INFO] [stderr]    |                 --------- variants in this enum
[INFO] [stderr] 15 |     Insert(char),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 16 |     Delete,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 17 |     Enter,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `line`, `line_mut`, `insert`, `delete`, and `enter` are never used
[INFO] [stderr]   --> src/buffer.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl Buffer {
[INFO] [stderr]    | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 25 |     fn line(&self, index: usize) -> Result<&Line> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn line_mut(&mut self, index: usize) -> Result<&mut Line> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn insert(&mut self, (x, y): (usize, usize), char: char) -> Result<BufWriter> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn delete(&mut self, (x, y): (usize, usize)) -> Result<BufWriter> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |     pub fn enter(&mut self, (x, y): (usize, usize)) -> Result<BufWriter> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_y` is never used
[INFO] [stderr]   --> src/cursor.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl Cursor {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn set_y(&mut self, new_y: usize) -> &mut Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `size` is never read
[INFO] [stderr]  --> src/window.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub(crate) struct Window {
[INFO] [stderr]   |                   ------ field in this struct
[INFO] [stderr] 5 |     size:   (u16, u16),
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `learn_editor` (bin "learn_editor" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_editor-2e75d82134028ac4)
[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" "90bb94c4ca81b3d43d6d7c461d7d1a18ddbf74b938c1e6f336751d4df5fc2dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90bb94c4ca81b3d43d6d7c461d7d1a18ddbf74b938c1e6f336751d4df5fc2dde", kill_on_drop: false }`
[INFO] [stdout] 90bb94c4ca81b3d43d6d7c461d7d1a18ddbf74b938c1e6f336751d4df5fc2dde
