[INFO] fetching crate rode 0.1.0...
[INFO] checking rode-0.1.0 against master#1fe72d35998dea48aeecaf7fc07783b0b553f24f for pr-154992-1
[INFO] extracting crate rode 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rode 0.1.0
[INFO] finished tweaking crates.io crate rode 0.1.0
[INFO] tweaked toml for crates.io crate rode 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rode 0.1.0 on toolchain 1fe72d35998dea48aeecaf7fc07783b0b553f24f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rode 0.1.0 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" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3cf1030118f04e0849a5e3c76d214322a2c5092bdba2f58947ec1772921fd90
[INFO] running `Command { std: "docker" "start" "-a" "f3cf1030118f04e0849a5e3c76d214322a2c5092bdba2f58947ec1772921fd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3cf1030118f04e0849a5e3c76d214322a2c5092bdba2f58947ec1772921fd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cf1030118f04e0849a5e3c76d214322a2c5092bdba2f58947ec1772921fd90", kill_on_drop: false }`
[INFO] [stdout] f3cf1030118f04e0849a5e3c76d214322a2c5092bdba2f58947ec1772921fd90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2bd06289ccdf8637521fd86d5e1be541148dd4ad372a409cf9bc756a7ec4db2
[INFO] running `Command { std: "docker" "start" "-a" "b2bd06289ccdf8637521fd86d5e1be541148dd4ad372a409cf9bc756a7ec4db2", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `collections::BTreeMap`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::BTreeMap, path::PathBuf};
[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: `CentralPanel` and `lerp`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self, lerp, vec2, Button, CentralPanel, Color32, Frame, InnerResponse, KeyboardShortcut,
[INFO] [stdout]   |           ^^^^                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::RwLock`
[INFO] [stdout]  --> src/tabs.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parking_lot::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> src/tabs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sync::Arc,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::BTreeMap`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::BTreeMap, path::PathBuf};
[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: `CentralPanel` and `lerp`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self, lerp, vec2, Button, CentralPanel, Color32, Frame, InnerResponse, KeyboardShortcut,
[INFO] [stdout]   |           ^^^^                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::RwLock`
[INFO] [stdout]  --> src/tabs.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parking_lot::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> src/tabs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sync::Arc,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]   --> src/components/top_menu.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |                         let filter = Box::new({
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gb`
[INFO] [stdout]   --> src/tabs.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let gb = gap_buffer![1, 2, 3u8];
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_gb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]   --> src/tabs.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let tree: DockState<PathBuf> = DockState::new(vec![]);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_range`
[INFO] [stdout]   --> src/tabs.rs:93:37
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn delete_char_range(&mut self, char_range: std::ops::Range<usize>) {}
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_char_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/tabs.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let text = self.buffers.entry(title.clone()).or_default();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/tabs.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let size = vec2(width, height);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_dir`
[INFO] [stdout]   --> src/widgets.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn is_hidden(entry: &DirEntry, root_dir: &Path) -> bool {
[INFO] [stdout]    |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/widgets.rs:82:49
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   if let Some(t) = tab_location {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filter`
[INFO] [stdout]   --> src/components/top_menu.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |                         let filter = Box::new({
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gb`
[INFO] [stdout]   --> src/tabs.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let gb = gap_buffer![1, 2, 3u8];
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_gb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]   --> src/tabs.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let tree: DockState<PathBuf> = DockState::new(vec![]);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_range`
[INFO] [stdout]   --> src/tabs.rs:93:37
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn delete_char_range(&mut self, char_range: std::ops::Range<usize>) {}
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_char_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut frame = Frame::dark_canvas(&Style::default());
[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: `a`
[INFO] [stdout]    --> src/main.rs:127:18
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let [a, b] = self.tabs.main_surface_mut().split_below(
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let [a, b] = self.tabs.main_surface_mut().split_below(
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/tabs.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let text = self.buffers.entry(title.clone()).or_default();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct MyApp {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 39 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/tabs.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let size = vec2(width, height);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_dir`
[INFO] [stdout]   --> src/widgets.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn is_hidden(entry: &DirEntry, root_dir: &Path) -> bool {
[INFO] [stdout]    |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `repr` is never read
[INFO] [stdout]   --> src/tabs.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct DedBuffer {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 58 |     pub repr: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/widgets.rs:82:49
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   if let Some(t) = tab_location {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut frame = Frame::dark_canvas(&Style::default());
[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: `a`
[INFO] [stdout]    --> src/main.rs:127:18
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let [a, b] = self.tabs.main_surface_mut().split_below(
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let [a, b] = self.tabs.main_surface_mut().split_below(
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct MyApp {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 39 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `repr` is never read
[INFO] [stdout]   --> src/tabs.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct DedBuffer {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 58 |     pub repr: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tabs.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         f1_open.read_to_string(&mut f1_contents);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let _ = f1_open.read_to_string(&mut f1_contents);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tabs.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         f2_open.read_to_string(&mut f2_contents);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let _ = f2_open.read_to_string(&mut f2_contents);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tabs.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 dbg!(std::env::current_dir());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 let _ = dbg!(std::env::current_dir());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/widgets.rs:87:41
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   f.read_to_string(&mut s);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |                                         let _ = f.read_to_string(&mut s);
[INFO] [stdout]    |                                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tabs.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         f1_open.read_to_string(&mut f1_contents);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let _ = f1_open.read_to_string(&mut f1_contents);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tabs.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         f2_open.read_to_string(&mut f2_contents);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let _ = f2_open.read_to_string(&mut f2_contents);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tabs.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 dbg!(std::env::current_dir());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 let _ = dbg!(std::env::current_dir());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/widgets.rs:87:41
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   f.read_to_string(&mut s);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |                                         let _ = f.read_to_string(&mut s);
[INFO] [stdout]    |                                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b2bd06289ccdf8637521fd86d5e1be541148dd4ad372a409cf9bc756a7ec4db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2bd06289ccdf8637521fd86d5e1be541148dd4ad372a409cf9bc756a7ec4db2", kill_on_drop: false }`
[INFO] [stdout] b2bd06289ccdf8637521fd86d5e1be541148dd4ad372a409cf9bc756a7ec4db2
