[INFO] cloning repository https://github.com/mindbeam/editor-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mindbeam/editor-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindbeam%2Feditor-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindbeam%2Feditor-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9c448693dd3f8310c5035d6dbb37af4076c9df5
[INFO] testing mindbeam/editor-experiment against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindbeam%2Feditor-experiment" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mindbeam/editor-experiment
[INFO] finished tweaking git repo https://github.com/mindbeam/editor-experiment
[INFO] tweaked toml for git repo https://github.com/mindbeam/editor-experiment written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mindbeam/editor-experiment on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mindbeam/editor-experiment 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aff4ae6225b25678ca22575744882ee8d56eaed5c0f941c1a15992c43d54be1
[INFO] running `Command { std: "docker" "start" "-a" "4aff4ae6225b25678ca22575744882ee8d56eaed5c0f941c1a15992c43d54be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aff4ae6225b25678ca22575744882ee8d56eaed5c0f941c1a15992c43d54be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aff4ae6225b25678ca22575744882ee8d56eaed5c0f941c1a15992c43d54be1", kill_on_drop: false }`
[INFO] [stdout] 4aff4ae6225b25678ca22575744882ee8d56eaed5c0f941c1a15992c43d54be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71b65e0203f6a0e1869f45d9c803562d10e06f3ecdbb3c32b2e2bb844d552f0f
[INFO] running `Command { std: "docker" "start" "-a" "71b65e0203f6a0e1869f45d9c803562d10e06f3ecdbb3c32b2e2bb844d552f0f", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
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[INFO] [stdout] warning: unused import: `document::Document`
[INFO] [stdout]  --> src/node.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{cursor::Cursor, document::Document, util::mutstr::MutStr};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RangeFrom`
[INFO] [stdout]  --> src/util/mutstr.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{RangeBounds, RangeFrom};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/cursor.rs:89:63
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.depth_first_scan(|_node_id, node, render_offset, children| {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> src/document.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `positions`
[INFO] [stdout]   --> src/document.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_avoid_zero`
[INFO] [stdout]   --> src/document.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try_avoid_zero: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_avoid_zero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/node.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Action::Insert { offset, body } => body.find(c),
[INFO] [stdout]     |                              ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cursor.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn doc(&self) -> std::sync::MutexGuard<DocumentInner> {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn doc(&self) -> std::sync::MutexGuard<'_, DocumentInner> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/document.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn inner(&self) -> std::sync::MutexGuard<DocumentInner> {
[INFO] [stdout]    |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn inner(&self) -> std::sync::MutexGuard<'_, DocumentInner> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event` and `Key`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cursive::event::{Event, Key};
[INFO] [stdout]   |                      ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dialog`, `EditView`, `OnEventView`, and `TextArea`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cursive::views::{Dialog, EditView, OnEventView, TextArea};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cursive::Cursive`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cursive::Cursive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[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: unused variable: `available`
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cursor`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let width = usize::max(width, 1);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_node_id`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rows` is never read
[INFO] [stdout]   --> src/bin/editor/editor.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Editor {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     rows: Vec<Row>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_rows` is never used
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RowIterator` is never constructed
[INFO] [stdout]   --> src/bin/editor/util/row.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct RowIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/editor/util/row.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl RowIterator {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 36 |     pub fn new(cursor: Cursor, max_width: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.68s
[INFO] running `Command { std: "docker" "inspect" "71b65e0203f6a0e1869f45d9c803562d10e06f3ecdbb3c32b2e2bb844d552f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b65e0203f6a0e1869f45d9c803562d10e06f3ecdbb3c32b2e2bb844d552f0f", kill_on_drop: false }`
[INFO] [stdout] 71b65e0203f6a0e1869f45d9c803562d10e06f3ecdbb3c32b2e2bb844d552f0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab224d77588a8bc202d2bd62be0bb415a39fab3bb94295ebfa37a63f0b8a8fbc
[INFO] running `Command { std: "docker" "start" "-a" "ab224d77588a8bc202d2bd62be0bb415a39fab3bb94295ebfa37a63f0b8a8fbc", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] [stderr]    Compiling design-study-texteditor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `document::Document`
[INFO] [stdout]  --> src/node.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{cursor::Cursor, document::Document, util::mutstr::MutStr};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RangeFrom`
[INFO] [stdout]  --> src/util/mutstr.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{RangeBounds, RangeFrom};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/cursor.rs:89:63
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.depth_first_scan(|_node_id, node, render_offset, children| {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> src/document.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `positions`
[INFO] [stdout]   --> src/document.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_avoid_zero`
[INFO] [stdout]   --> src/document.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try_avoid_zero: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_avoid_zero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/node.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Action::Insert { offset, body } => body.find(c),
[INFO] [stdout]     |                              ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cursor.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn doc(&self) -> std::sync::MutexGuard<DocumentInner> {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn doc(&self) -> std::sync::MutexGuard<'_, DocumentInner> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/document.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn inner(&self) -> std::sync::MutexGuard<DocumentInner> {
[INFO] [stdout]    |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn inner(&self) -> std::sync::MutexGuard<'_, DocumentInner> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event` and `Key`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cursive::event::{Event, Key};
[INFO] [stdout]   |                      ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dialog`, `EditView`, `OnEventView`, and `TextArea`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cursive::views::{Dialog, EditView, OnEventView, TextArea};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cursive::Cursive`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cursive::Cursive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[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: unused variable: `available`
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cursor`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let width = usize::max(width, 1);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_node_id`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rows` is never read
[INFO] [stdout]   --> src/bin/editor/editor.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Editor {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     rows: Vec<Row>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_rows` is never used
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RowIterator` is never constructed
[INFO] [stdout]   --> src/bin/editor/util/row.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct RowIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/editor/util/row.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl RowIterator {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 36 |     pub fn new(cursor: Cursor, max_width: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event` and `Key`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cursive::event::{Event, Key};
[INFO] [stdout]   |                      ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dialog`, `EditView`, `OnEventView`, and `TextArea`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cursive::views::{Dialog, EditView, OnEventView, TextArea};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cursive::Cursive`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cursive::Cursive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[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: unused variable: `available`
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cursor`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let width = usize::max(width, 1);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_node_id`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> tests/basic.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rows` is never read
[INFO] [stdout]   --> src/bin/editor/editor.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Editor {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     rows: Vec<Row>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_rows` is never used
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RowIterator` is never constructed
[INFO] [stdout]   --> src/bin/editor/util/row.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct RowIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/editor/util/row.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl RowIterator {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 36 |     pub fn new(cursor: Cursor, max_width: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `document::Document`
[INFO] [stdout]  --> src/node.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{cursor::Cursor, document::Document, util::mutstr::MutStr};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RangeFrom`
[INFO] [stdout]  --> src/util/mutstr.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{RangeBounds, RangeFrom};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/cursor.rs:89:63
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.depth_first_scan(|_node_id, node, render_offset, children| {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cursor.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut count = 0;
[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: unused variable: `node_id`
[INFO] [stdout]    --> src/cursor.rs:258:34
[INFO] [stdout]     |
[INFO] [stdout] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/cursor.rs:258:43
[INFO] [stdout]     |
[INFO] [stdout] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `render_offset`
[INFO] [stdout]    --> src/cursor.rs:258:49
[INFO] [stdout]     |
[INFO] [stdout] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_render_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]    --> src/cursor.rs:258:64
[INFO] [stdout]     |
[INFO] [stdout] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stdout]     |                                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/cursor.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut count = 0;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> src/document.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `positions`
[INFO] [stdout]   --> src/document.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_avoid_zero`
[INFO] [stdout]   --> src/document.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try_avoid_zero: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_avoid_zero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/node.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Action::Insert { offset, body } => body.find(c),
[INFO] [stdout]     |                              ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `incremental_scan` is never used
[INFO] [stdout]    --> src/cursor.rs:240:8
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn incremental_scan() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cursor.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn doc(&self) -> std::sync::MutexGuard<DocumentInner> {
[INFO] [stdout]    |                ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn doc(&self) -> std::sync::MutexGuard<'_, DocumentInner> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/document.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn inner(&self) -> std::sync::MutexGuard<DocumentInner> {
[INFO] [stdout]    |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn inner(&self) -> std::sync::MutexGuard<'_, DocumentInner> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "ab224d77588a8bc202d2bd62be0bb415a39fab3bb94295ebfa37a63f0b8a8fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab224d77588a8bc202d2bd62be0bb415a39fab3bb94295ebfa37a63f0b8a8fbc", kill_on_drop: false }`
[INFO] [stdout] ab224d77588a8bc202d2bd62be0bb415a39fab3bb94295ebfa37a63f0b8a8fbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab1e9b3911bf07c1d916242ce783548bae6bc2355db0d938a0d97fe72747f669
[INFO] running `Command { std: "docker" "start" "-a" "ab1e9b3911bf07c1d916242ce783548bae6bc2355db0d938a0d97fe72747f669", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] [stderr] warning: unused import: `document::Document`
[INFO] [stderr]  --> src/node.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{cursor::Cursor, document::Document, util::mutstr::MutStr};
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RangeFrom`
[INFO] [stderr]  --> src/util/mutstr.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{RangeBounds, RangeFrom};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `children`
[INFO] [stderr]   --> src/cursor.rs:89:63
[INFO] [stderr]    |
[INFO] [stderr] 89 |         self.depth_first_scan(|_node_id, node, render_offset, children| {
[INFO] [stderr]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/document.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         mut node_id: NodeId,
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/document.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         mut positions: usize,
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_id`
[INFO] [stderr]   --> src/document.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         mut node_id: NodeId,
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `positions`
[INFO] [stderr]   --> src/document.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         mut positions: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positions`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `try_avoid_zero`
[INFO] [stderr]   --> src/document.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         try_avoid_zero: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_avoid_zero`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/node.rs:119:30
[INFO] [stderr]     |
[INFO] [stderr] 119 |             Action::Insert { offset, body } => body.find(c),
[INFO] [stderr]     |                              ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/cursor.rs:27:16
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn doc(&self) -> std::sync::MutexGuard<DocumentInner> {
[INFO] [stderr]    |                ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                |
[INFO] [stderr]    |                the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn doc(&self) -> std::sync::MutexGuard<'_, DocumentInner> {
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/document.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn inner(&self) -> std::sync::MutexGuard<DocumentInner> {
[INFO] [stderr]    |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn inner(&self) -> std::sync::MutexGuard<'_, DocumentInner> {
[INFO] [stderr]    |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cursor.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |         let mut count = 0;
[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: unused variable: `node_id`
[INFO] [stderr]    --> src/cursor.rs:258:34
[INFO] [stderr]     |
[INFO] [stderr] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stderr]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/cursor.rs:258:43
[INFO] [stderr]     |
[INFO] [stderr] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stderr]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `render_offset`
[INFO] [stderr]    --> src/cursor.rs:258:49
[INFO] [stderr]     |
[INFO] [stderr] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_render_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `children`
[INFO] [stderr]    --> src/cursor.rs:258:64
[INFO] [stderr]     |
[INFO] [stderr] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stderr]     |                                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]    --> src/cursor.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |         let mut count = 0;
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/document.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         mut node_id: NodeId,
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `incremental_scan` is never used
[INFO] [stderr]    --> src/cursor.rs:240:8
[INFO] [stderr]     |
[INFO] [stderr] 240 |     fn incremental_scan() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `design-study-texteditor` (lib) generated 11 warnings (run `cargo fix --lib -p design-study-texteditor` to apply 11 suggestions)
[INFO] [stderr] warning: `design-study-texteditor` (lib test) generated 18 warnings (10 duplicates) (run `cargo fix --lib -p design-study-texteditor --tests` to apply 7 suggestions)
[INFO] [stderr] warning: unused imports: `Event` and `Key`
[INFO] [stderr]  --> src/bin/editor/editor_window.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cursive::event::{Event, Key};
[INFO] [stderr]   |                      ^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Dialog`, `EditView`, `OnEventView`, and `TextArea`
[INFO] [stderr]  --> src/bin/editor/editor_window.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cursive::views::{Dialog, EditView, OnEventView, TextArea};
[INFO] [stderr]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cursive::Cursive`
[INFO] [stderr]  --> src/bin/editor/editor_window.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cursive::Cursive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/editor/editor.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut available = size.x;
[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: unused variable: `available`
[INFO] [stderr]   --> src/bin/editor/editor.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut available = size.x;
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cursor`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stderr]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let width = usize::max(width, 1);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut buf = String::new();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_node_id`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_node_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut buf = String::new();
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: field `rows` is never read
[INFO] [stderr]   --> src/bin/editor/editor.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Editor {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     rows: Vec<Row>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_rows` is never used
[INFO] [stderr]   --> src/bin/editor/util/row.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RowIterator` is never constructed
[INFO] [stderr]   --> src/bin/editor/util/row.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct RowIterator {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/bin/editor/util/row.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl RowIterator {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 36 |     pub fn new(cursor: Cursor, max_width: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc` and `Mutex`
[INFO] [stderr]  --> tests/basic.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `design-study-texteditor` (bin "editor") generated 15 warnings (run `cargo fix --bin "editor" -p design-study-texteditor` to apply 11 suggestions)
[INFO] [stderr] warning: `design-study-texteditor` (bin "editor" test) generated 15 warnings (15 duplicates)
[INFO] [stderr] warning: `design-study-texteditor` (test "basic") generated 1 warning (run `cargo fix --test "basic" -p design-study-texteditor` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/design_study_texteditor-b9262dfe179eb30e)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test node::test::test1 ... ok
[INFO] [stdout] test cursor::test::limit_2 ... ok
[INFO] [stdout] test test::basic_deletion_and_regional_projection ... ok
[INFO] [stdout] test test::multiple_deletes ... ok
[INFO] [stdout] test util::mutstr::test::slice ... ok
[INFO] [stdout] test util::mutstr::test::bad_insert - should panic ... ok
[INFO] [stdout] test util::mutstr::test::bad_remove - should panic ... ok
[INFO] [stdout] test cursor::test::limit ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- cursor::test::limit stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'cursor::test::limit' (17) panicked at src/util/logging.rs:13:14:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564ff25d3372 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x564ff25d3372 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x564ff25d3372 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x564ff25d3372 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x564ff25e35df - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x564ff25e35df - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x564ff25a0cf3 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x564ff25a0cf3 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x564ff25aca92 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x564ff25b160f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x564ff25b14a1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x564ff251038e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x564ff251038e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x564ff25b1c1f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x564ff25b1c1f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x564ff25b1a7a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x564ff25acbc9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x564ff25954bd - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x564ff25eb110 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x564ff25ea696 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x564ff24e4a03 - core::result::Result<T,E>::unwrap::hd287506ea2259dd1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x564ff24e4a03 - design_study_texteditor::util::logging::init_logging::mkwriter::h4b2545820d370477
[INFO] [stdout]                                at /opt/rustwide/workdir/src/util/logging.rs:13:14
[INFO] [stdout]   22:     0x564ff24ea3ee - core::ops::function::Fn::call::hf6c55cd4470091d7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:79:5
[INFO] [stdout]   23:     0x564ff24e69fa - <F as tracing_subscriber::fmt::writer::MakeWriter>::make_writer::h83845591b323f21d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.2.11/src/fmt/writer.rs:53:9
[INFO] [stdout]   24:     0x564ff24d4fcd - <tracing_subscriber::fmt::fmt_layer::Layer<S,N,E,W> as tracing_subscriber::layer::Layer<S>>::on_event::{{closure}}::hc0949dfe5680352f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.2.11/src/fmt/fmt_layer.rs:707:51
[INFO] [stdout]   25:     0x564ff24e0ebd - std::thread::local::LocalKey<T>::try_with::h507ff93ae87022bb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/local.rs:508:12
[INFO] [stdout]   26:     0x564ff24e0cce - std::thread::local::LocalKey<T>::with::h456478f2909b400c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/local.rs:472:20
[INFO] [stdout]   27:     0x564ff24d4dcd - <tracing_subscriber::fmt::fmt_layer::Layer<S,N,E,W> as tracing_subscriber::layer::Layer<S>>::on_event::ha6dcbc79a2e82983
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.2.11/src/fmt/fmt_layer.rs:690:13
[INFO] [stdout]   28:     0x564ff24e3874 - <tracing_subscriber::layer::Layered<L,S> as tracing_core::subscriber::Subscriber>::event::h5494de74df3c29b8
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.2.11/src/layer.rs:651:20
[INFO] [stdout]   29:     0x564ff24e38a1 - <tracing_subscriber::layer::Layered<L,S> as tracing_core::subscriber::Subscriber>::event::h8b53bf445510eb07
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.2.11/src/layer.rs:650:20
[INFO] [stdout]   30:     0x564ff24df3e3 - <tracing_subscriber::fmt::Subscriber<N,E,F,W> as tracing_core::subscriber::Subscriber>::event::h0a52af50067d76e2
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.2.11/src/fmt/mod.rs:327:20
[INFO] [stdout]   31:     0x564ff2578062 - tracing_core::dispatcher::Dispatch::event::hfafbbff14622a2b0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.14/src/dispatcher.rs:509:25
[INFO] [stdout]   32:     0x564ff25780d1 - tracing_core::event::Event::dispatch::{{closure}}::hf7da2ed23b67441f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.14/src/event.rs:36:21
[INFO] [stdout]   33:     0x564ff2577f80 - tracing_core::dispatcher::get_default::{{closure}}::h50ec7f122dc70c39
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.14/src/dispatcher.rs:352:17
[INFO] [stdout]   34:     0x564ff2578a0c - std::thread::local::LocalKey<T>::try_with::h80c3bcde6d73b212
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/local.rs:508:12
[INFO] [stdout]   35:     0x564ff2577c2e - tracing_core::dispatcher::get_default::hd1924dfe70e5e7c5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.14/src/dispatcher.rs:340:10
[INFO] [stdout]   36:     0x564ff24dcba9 - tracing_core::event::Event::dispatch::h773d5ba8cbb97fad
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.14/src/event.rs:35:9
[INFO] [stdout]   37:     0x564ff24e8b8e - design_study_texteditor::node::Node::project::haa93dccf2c3da641
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:126:17
[INFO] [stdout]   38:     0x564ff24dfab6 - design_study_texteditor::cursor::Cursor::project_forward::{{closure}}::hfd78d735ec974d56
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:95:28
[INFO] [stdout]   39:     0x564ff24e00dd - design_study_texteditor::cursor::Cursor::depth_first_scan::hd7ddbead8c7221a2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:172:13
[INFO] [stdout]   40:     0x564ff24df9c4 - design_study_texteditor::cursor::Cursor::project_forward::hf41e3e0647e06bed
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:89:14
[INFO] [stdout]   41:     0x564ff24e0582 - design_study_texteditor::cursor::Cursor::rewind_and_project::h7caa8bcd8e7e5fb9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:123:16
[INFO] [stdout]   42:     0x564ff24da2e3 - design_study_texteditor::cursor::test::limit::hfd673fe2d9bcaed6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:212:27
[INFO] [stdout]   43:     0x564ff24da4b7 - design_study_texteditor::cursor::test::limit::{{closure}}::hae8a34b2cf326830
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:202:15
[INFO] [stdout]   44:     0x564ff24ea6b6 - core::ops::function::FnOnce::call_once::hc7160e3cf2b96d87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x564ff251018b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x564ff251018b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   47:     0x564ff25241ed - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   48:     0x564ff25241ed - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   49:     0x564ff25241ed - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   50:     0x564ff25241ed - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   51:     0x564ff25241ed - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   52:     0x564ff25241ed - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   53:     0x564ff25241ed - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   54:     0x564ff24fd734 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   55:     0x564ff24fd734 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   56:     0x564ff2500f8a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   57:     0x564ff2500f8a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   58:     0x564ff2500f8a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   59:     0x564ff2500f8a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   60:     0x564ff2500f8a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   61:     0x564ff2500f8a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   62:     0x564ff2500f8a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   63:     0x564ff25a7fcf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   64:     0x564ff25a7fcf - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   65:     0x70a47e5e0aa4 - <unknown>
[INFO] [stdout]   66:     0x70a47e66da64 - clone
[INFO] [stdout]   67:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     cursor::test::limit
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "ab1e9b3911bf07c1d916242ce783548bae6bc2355db0d938a0d97fe72747f669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1e9b3911bf07c1d916242ce783548bae6bc2355db0d938a0d97fe72747f669", kill_on_drop: false }`
[INFO] [stdout] ab1e9b3911bf07c1d916242ce783548bae6bc2355db0d938a0d97fe72747f669
