[INFO] cloning repository https://github.com/daniel071/Hackerify [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel071/Hackerify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel071%2FHackerify", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel071%2FHackerify'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c8d073fa506456fbc7700ad896b3b53b911d6a0e [INFO] testing daniel071/Hackerify against beta-2025-01-12 for beta-1.85-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel071%2FHackerify" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/daniel071/Hackerify on toolchain beta-2025-01-12 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/daniel071/Hackerify [INFO] finished tweaking git repo https://github.com/daniel071/Hackerify [INFO] tweaked toml for git repo https://github.com/daniel071/Hackerify written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/daniel071/Hackerify already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-01-12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded glib-sys v0.10.0 [INFO] [stderr] Downloaded pango v0.9.0 [INFO] [stderr] Downloaded gdk v0.13.0 [INFO] [stderr] Downloaded gio-sys v0.10.0 [INFO] [stderr] Downloaded gio v0.9.0 [INFO] [stderr] Downloaded glib v0.10.1 [INFO] [stderr] Downloaded gtk v0.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9057f37bde5d1c23efa58f728d3c36faae78af915a34698f11d549530cdb625c [INFO] running `Command { std: "docker" "start" "-a" "9057f37bde5d1c23efa58f728d3c36faae78af915a34698f11d549530cdb625c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9057f37bde5d1c23efa58f728d3c36faae78af915a34698f11d549530cdb625c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9057f37bde5d1c23efa58f728d3c36faae78af915a34698f11d549530cdb625c", kill_on_drop: false }` [INFO] [stdout] 9057f37bde5d1c23efa58f728d3c36faae78af915a34698f11d549530cdb625c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f64c512c550646eed695eddf20fdbec1c58ef8bc9eb938d5076d06a218453ce [INFO] running `Command { std: "docker" "start" "-a" "6f64c512c550646eed695eddf20fdbec1c58ef8bc9eb938d5076d06a218453ce", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling strum v0.18.0 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling gio v0.9.0 [INFO] [stderr] Compiling pango v0.9.0 [INFO] [stderr] Compiling gdk-pixbuf v0.9.0 [INFO] [stderr] Compiling cairo-rs v0.9.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling atk v0.9.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling gdk v0.13.0 [INFO] [stderr] Compiling gtk v0.9.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling strum_macros v0.18.0 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling glib-macros v0.10.1 [INFO] [stderr] Compiling thiserror v1.0.20 [INFO] [stderr] Compiling system-deps v1.3.2 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling glib-sys v0.10.0 [INFO] [stderr] Compiling gobject-sys v0.10.0 [INFO] [stderr] Compiling gio-sys v0.10.0 [INFO] [stderr] Compiling gdk-pixbuf-sys v0.10.0 [INFO] [stderr] Compiling cairo-sys-rs v0.10.0 [INFO] [stderr] Compiling pango-sys v0.10.0 [INFO] [stderr] Compiling gdk-sys v0.10.0 [INFO] [stderr] Compiling atk-sys v0.10.0 [INFO] [stderr] Compiling gtk-sys v0.10.0 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling glib v0.10.1 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling Hackerify v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `saveButton` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let saveButton: gtk::Button = builder [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_saveButton` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `window` [INFO] [stdout] --> src/main.rs:49:46 [INFO] [stdout] | [INFO] [stdout] 49 | aboutButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: `window` is captured in macro and introduced a unused variable [INFO] [stdout] --> src/main.rs:49:33 [INFO] [stdout] | [INFO] [stdout] 49 | aboutButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 50 | | aboutDialog.show_all(); [INFO] [stdout] 51 | | })); [INFO] [stdout] | |______^ [INFO] [stdout] = note: this warning originates in the macro `$crate::to_type_after` which comes from the expansion of the macro `clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `window` [INFO] [stdout] --> src/main.rs:64:42 [INFO] [stdout] | [INFO] [stdout] 64 | hackButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: `window` is captured in macro and introduced a unused variable [INFO] [stdout] --> src/main.rs:64:29 [INFO] [stdout] | [INFO] [stdout] 64 | hackButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 65 | | fn get_buffer(buffer: >k::TextBuffer) -> glib::GString { [INFO] [stdout] 66 | | let start = buffer.get_start_iter(); [INFO] [stdout] 67 | | let end = buffer.get_end_iter(); [INFO] [stdout] ... | [INFO] [stdout] 80 | | })); [INFO] [stdout] | |______^ [INFO] [stdout] = note: this warning originates in the macro `$crate::to_type_after` which comes from the expansion of the macro `clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:78:3 [INFO] [stdout] | [INFO] [stdout] 78 | &textBuffer.set_text(&leetText); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = &textBuffer.set_text(&leetText); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 12s [INFO] running `Command { std: "docker" "inspect" "6f64c512c550646eed695eddf20fdbec1c58ef8bc9eb938d5076d06a218453ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f64c512c550646eed695eddf20fdbec1c58ef8bc9eb938d5076d06a218453ce", kill_on_drop: false }` [INFO] [stdout] 6f64c512c550646eed695eddf20fdbec1c58ef8bc9eb938d5076d06a218453ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4740e89064539f78b2ba0d26e5985ebed7aeed7b2664a7280effd51d1dd0e49 [INFO] running `Command { std: "docker" "start" "-a" "b4740e89064539f78b2ba0d26e5985ebed7aeed7b2664a7280effd51d1dd0e49", kill_on_drop: false }` [INFO] [stderr] Compiling Hackerify v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `saveButton` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let saveButton: gtk::Button = builder [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_saveButton` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `window` [INFO] [stdout] --> src/main.rs:49:46 [INFO] [stdout] | [INFO] [stdout] 49 | aboutButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: `window` is captured in macro and introduced a unused variable [INFO] [stdout] --> src/main.rs:49:33 [INFO] [stdout] | [INFO] [stdout] 49 | aboutButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 50 | | aboutDialog.show_all(); [INFO] [stdout] 51 | | })); [INFO] [stdout] | |______^ [INFO] [stdout] = note: this warning originates in the macro `$crate::to_type_after` which comes from the expansion of the macro `clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `window` [INFO] [stdout] --> src/main.rs:64:42 [INFO] [stdout] | [INFO] [stdout] 64 | hackButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: `window` is captured in macro and introduced a unused variable [INFO] [stdout] --> src/main.rs:64:29 [INFO] [stdout] | [INFO] [stdout] 64 | hackButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 65 | | fn get_buffer(buffer: >k::TextBuffer) -> glib::GString { [INFO] [stdout] 66 | | let start = buffer.get_start_iter(); [INFO] [stdout] 67 | | let end = buffer.get_end_iter(); [INFO] [stdout] ... | [INFO] [stdout] 80 | | })); [INFO] [stdout] | |______^ [INFO] [stdout] = note: this warning originates in the macro `$crate::to_type_after` which comes from the expansion of the macro `clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:78:3 [INFO] [stdout] | [INFO] [stdout] 78 | &textBuffer.set_text(&leetText); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = &textBuffer.set_text(&leetText); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "b4740e89064539f78b2ba0d26e5985ebed7aeed7b2664a7280effd51d1dd0e49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4740e89064539f78b2ba0d26e5985ebed7aeed7b2664a7280effd51d1dd0e49", kill_on_drop: false }` [INFO] [stdout] b4740e89064539f78b2ba0d26e5985ebed7aeed7b2664a7280effd51d1dd0e49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a06ad13d9bad546ba67c1e46d8345475254379c43d06e485c832b1402dcfd493 [INFO] running `Command { std: "docker" "start" "-a" "a06ad13d9bad546ba67c1e46d8345475254379c43d06e485c832b1402dcfd493", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `saveButton` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let saveButton: gtk::Button = builder [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_saveButton` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `window` [INFO] [stderr] --> src/main.rs:49:46 [INFO] [stderr] | [INFO] [stderr] 49 | aboutButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: `window` is captured in macro and introduced a unused variable [INFO] [stderr] --> src/main.rs:49:33 [INFO] [stderr] | [INFO] [stderr] 49 | aboutButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stderr] | _________________________________^ [INFO] [stderr] 50 | | aboutDialog.show_all(); [INFO] [stderr] 51 | | })); [INFO] [stderr] | |______^ [INFO] [stderr] = note: this warning originates in the macro `$crate::to_type_after` which comes from the expansion of the macro `clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `window` [INFO] [stderr] --> src/main.rs:64:42 [INFO] [stderr] | [INFO] [stderr] 64 | hackButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: `window` is captured in macro and introduced a unused variable [INFO] [stderr] --> src/main.rs:64:29 [INFO] [stderr] | [INFO] [stderr] 64 | hackButton.connect_clicked(clone!(@weak window => move |_| { [INFO] [stderr] | ________________________________^ [INFO] [stderr] 65 | | fn get_buffer(buffer: >k::TextBuffer) -> glib::GString { [INFO] [stderr] 66 | | let start = buffer.get_start_iter(); [INFO] [stderr] 67 | | let end = buffer.get_end_iter(); [INFO] [stderr] ... | [INFO] [stderr] 80 | | })); [INFO] [stderr] | |______^ [INFO] [stderr] = note: this warning originates in the macro `$crate::to_type_after` which comes from the expansion of the macro `clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:78:3 [INFO] [stderr] | [INFO] [stderr] 78 | &textBuffer.set_text(&leetText); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 78 | let _ = &textBuffer.set_text(&leetText); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `Hackerify` (bin "Hackerify" test) generated 4 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Hackerify-dcb31ab64cc445ac) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a06ad13d9bad546ba67c1e46d8345475254379c43d06e485c832b1402dcfd493", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a06ad13d9bad546ba67c1e46d8345475254379c43d06e485c832b1402dcfd493", kill_on_drop: false }` [INFO] [stdout] a06ad13d9bad546ba67c1e46d8345475254379c43d06e485c832b1402dcfd493