[INFO] cloning repository https://github.com/lrshsl/deca-editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lrshsl/deca-editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flrshsl%2Fdeca-editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flrshsl%2Fdeca-editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e917889534293666f9059abc4bd7b9dec7e3c170
[INFO] checking lrshsl/deca-editor against master#ed141926048597e3649bb238ca3dc417904cd56c for pr-134300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flrshsl%2Fdeca-editor" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lrshsl/deca-editor on toolchain ed141926048597e3649bb238ca3dc417904cd56c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lrshsl/deca-editor
[INFO] finished tweaking git repo https://github.com/lrshsl/deca-editor
[INFO] tweaked toml for git repo https://github.com/lrshsl/deca-editor written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lrshsl/deca-editor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c21aecc536a8eda41dfee5e3f6dd88dbe25dffe3412fc51c41372fe264bef850
[INFO] running `Command { std: "docker" "start" "-a" "c21aecc536a8eda41dfee5e3f6dd88dbe25dffe3412fc51c41372fe264bef850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c21aecc536a8eda41dfee5e3f6dd88dbe25dffe3412fc51c41372fe264bef850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21aecc536a8eda41dfee5e3f6dd88dbe25dffe3412fc51c41372fe264bef850", kill_on_drop: false }`
[INFO] [stdout] c21aecc536a8eda41dfee5e3f6dd88dbe25dffe3412fc51c41372fe264bef850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91b3369d95ecb95df40d709e112c94529627ff5c60f5b03cae1dd81be0a49496
[INFO] running `Command { std: "docker" "start" "-a" "91b3369d95ecb95df40d709e112c94529627ff5c60f5b03cae1dd81be0a49496", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking termion v3.0.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking deca v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/stdio_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/stdio_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `colemak` is never used
[INFO] [stdout]   --> src/editor/settings.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Settings {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn colemak() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Overwrite`, `Replace`, and `Select` are never constructed
[INFO] [stdout]  --> src/editor/editor_functions.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Mode {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 4 |     Write,
[INFO] [stdout] 5 |     Overwrite,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 6 |     Replace { start: u16, end: u16 },
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 7 |     Move,
[INFO] [stdout] 8 |     Select,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Mode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Write` and `OpenFile` are never constructed
[INFO] [stdout]   --> src/editor/editor_functions.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) enum EditorCommand {
[INFO] [stdout]    |                 ------------- variants in this enum
[INFO] [stdout] 13 |     Exit,
[INFO] [stdout] 14 |     Write,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     OpenFile,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EditorCommand` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ScrOp` is never used
[INFO] [stdout]   --> src/stdio_utils.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum ScrOp {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stdio_utils.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/editor/buffer.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         msg!("inserted {x} {y}: {}", self[y - 1]);
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `msg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stdio_utils.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/editor/buffer.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         msg!("removed {x} {y}");
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `msg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stdio_utils.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         $crate::stdio_utils::warn(&format!($($arg)*))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/editor/buffer.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             warn!("cannot delete newline character");
[INFO] [stdout]    |             ---------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = $crate::stdio_utils::warn(&format!($($arg)*))
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stdio_utils.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/editor/buffer.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             msg!("removed {} {}: {}", x - 1, y - 1, self[y - 1]);
[INFO] [stdout]    |             ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `msg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stdio_utils.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         $crate::stdio_utils::warn(&format!($($arg)*))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/editor/buffer.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             warn!("cannot delete character at {x} {y}");
[INFO] [stdout]    |             ------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = $crate::stdio_utils::warn(&format!($($arg)*))
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `colemak` is never used
[INFO] [stdout]   --> src/editor/settings.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Settings {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn colemak() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Overwrite`, `Replace`, and `Select` are never constructed
[INFO] [stdout]  --> src/editor/editor_functions.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Mode {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 4 |     Write,
[INFO] [stdout] 5 |     Overwrite,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 6 |     Replace { start: u16, end: u16 },
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 7 |     Move,
[INFO] [stdout] 8 |     Select,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Mode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Write` and `OpenFile` are never constructed
[INFO] [stdout]   --> src/editor/editor_functions.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) enum EditorCommand {
[INFO] [stdout]    |                 ------------- variants in this enum
[INFO] [stdout] 13 |     Exit,
[INFO] [stdout] 14 |     Write,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     OpenFile,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EditorCommand` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ScrOp` is never used
[INFO] [stdout]   --> src/stdio_utils.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum ScrOp {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stdio_utils.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/editor/buffer.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         msg!("inserted {x} {y}: {}", self[y - 1]);
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `msg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stdio_utils.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/editor/buffer.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         msg!("removed {x} {y}");
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `msg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stdio_utils.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         $crate::stdio_utils::warn(&format!($($arg)*))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/editor/buffer.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             warn!("cannot delete newline character");
[INFO] [stdout]    |             ---------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = $crate::stdio_utils::warn(&format!($($arg)*))
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stdio_utils.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/editor/buffer.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             msg!("removed {} {}: {}", x - 1, y - 1, self[y - 1]);
[INFO] [stdout]    |             ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `msg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = $crate::stdio_utils::msg(&format!($($arg)*))
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stdio_utils.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         $crate::stdio_utils::warn(&format!($($arg)*))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/editor/buffer.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             warn!("cannot delete character at {x} {y}");
[INFO] [stdout]    |             ------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = $crate::stdio_utils::warn(&format!($($arg)*))
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "91b3369d95ecb95df40d709e112c94529627ff5c60f5b03cae1dd81be0a49496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b3369d95ecb95df40d709e112c94529627ff5c60f5b03cae1dd81be0a49496", kill_on_drop: false }`
[INFO] [stdout] 91b3369d95ecb95df40d709e112c94529627ff5c60f5b03cae1dd81be0a49496