[INFO] cloning repository https://github.com/mishajw/gridwm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mishajw/gridwm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Fgridwm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Fgridwm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 227d6c93e87cc704f619570a9bcb95609e046264 [INFO] testing mishajw/gridwm against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Fgridwm" "/workspace/builds/worker-46/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mishajw/gridwm on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mishajw/gridwm [INFO] finished tweaking git repo https://github.com/mishajw/gridwm [INFO] tweaked toml for git repo https://github.com/mishajw/gridwm written to /workspace/builds/worker-46/source/Cargo.toml [INFO] crate git repo https://github.com/mishajw/gridwm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.33 [INFO] [stderr] Downloaded lazy_static v0.2.10 [INFO] [stderr] Downloaded redox_syscall v0.1.31 [INFO] [stderr] Downloaded atty v0.2.3 [INFO] [stderr] Downloaded thread_local v0.3.4 [INFO] [stderr] Downloaded regex-syntax v0.4.1 [INFO] [stderr] Downloaded clap v2.27.1 [INFO] [stderr] Downloaded regex v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b56fc15a04f3ebabedc3294e10736a98f53a75a9ab48e0c99affcc5175fdef2 [INFO] running `Command { std: "docker" "start" "-a" "1b56fc15a04f3ebabedc3294e10736a98f53a75a9ab48e0c99affcc5175fdef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b56fc15a04f3ebabedc3294e10736a98f53a75a9ab48e0c99affcc5175fdef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b56fc15a04f3ebabedc3294e10736a98f53a75a9ab48e0c99affcc5175fdef2", kill_on_drop: false }` [INFO] [stdout] 1b56fc15a04f3ebabedc3294e10736a98f53a75a9ab48e0c99affcc5175fdef2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0e690efde344ced162d49c3c87312b1c5bc318dcd68371dd9629db851d3c242 [INFO] running `Command { std: "docker" "start" "-a" "c0e690efde344ced162d49c3c87312b1c5bc318dcd68371dd9629db851d3c242", kill_on_drop: false }` [INFO] [stderr] Compiling sfml-build v0.2.0 [INFO] [stderr] Compiling libc v0.2.33 [INFO] [stderr] Compiling cc v1.0.3 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling rustc-demangle v0.1.5 [INFO] [stderr] Compiling lazy_static v0.2.10 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling atty v0.2.3 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling clap v2.27.1 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling csfml-system-sys v0.4.0 [INFO] [stderr] Compiling csfml-window-sys v0.4.0 [INFO] [stderr] Compiling csfml-audio-sys v0.4.0 [INFO] [stderr] Compiling csfml-graphics-sys v0.4.0 [INFO] [stderr] Compiling sfml v0.14.0 [INFO] [stderr] Compiling backtrace v0.3.4 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Compiling gridwm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/command_handler.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn run(fifo_path: &Path, wm: &BaseWm) -> Result<()> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn BaseWm` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/command_handler.rs:23:37 [INFO] [stdout] | [INFO] [stdout] 23 | fn read_loop(fifo_path: &Path, wm: &BaseWm) -> Result<()> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn BaseWm` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain! { [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | ExecError(io::Error); [INFO] [stdout] 6 | | } [INFO] [stdout] ... | [INFO] [stdout] 16 | | } [INFO] [stdout] 17 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/error.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain! { [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | ExecError(io::Error); [INFO] [stdout] 6 | | } [INFO] [stdout] ... | [INFO] [stdout] 16 | | } [INFO] [stdout] 17 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `current_monitor_name` is assigned to, but never used [INFO] [stdout] --> src/bsp_wm.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | let mut current_monitor_name: Option<&str> = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_current_monitor_name` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_monitor_name` is never read [INFO] [stdout] --> src/bsp_wm.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | current_monitor_name = Some(&piece[2..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.69s [INFO] running `Command { std: "docker" "inspect" "c0e690efde344ced162d49c3c87312b1c5bc318dcd68371dd9629db851d3c242", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0e690efde344ced162d49c3c87312b1c5bc318dcd68371dd9629db851d3c242", kill_on_drop: false }` [INFO] [stdout] c0e690efde344ced162d49c3c87312b1c5bc318dcd68371dd9629db851d3c242 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 881cb7486b9bd3e4e10a22498c65eb91d42383119bf1b7716d5080293e79ab07 [INFO] running `Command { std: "docker" "start" "-a" "881cb7486b9bd3e4e10a22498c65eb91d42383119bf1b7716d5080293e79ab07", kill_on_drop: false }` [INFO] [stderr] Compiling gridwm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/command_handler.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn run(fifo_path: &Path, wm: &BaseWm) -> Result<()> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn BaseWm` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/command_handler.rs:23:37 [INFO] [stdout] | [INFO] [stdout] 23 | fn read_loop(fifo_path: &Path, wm: &BaseWm) -> Result<()> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn BaseWm` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain! { [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | ExecError(io::Error); [INFO] [stdout] 6 | | } [INFO] [stdout] ... | [INFO] [stdout] 16 | | } [INFO] [stdout] 17 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/error.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain! { [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | ExecError(io::Error); [INFO] [stdout] 6 | | } [INFO] [stdout] ... | [INFO] [stdout] 16 | | } [INFO] [stdout] 17 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `current_monitor_name` is assigned to, but never used [INFO] [stdout] --> src/bsp_wm.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | let mut current_monitor_name: Option<&str> = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_current_monitor_name` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_monitor_name` is never read [INFO] [stdout] --> src/bsp_wm.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | current_monitor_name = Some(&piece[2..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "881cb7486b9bd3e4e10a22498c65eb91d42383119bf1b7716d5080293e79ab07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "881cb7486b9bd3e4e10a22498c65eb91d42383119bf1b7716d5080293e79ab07", kill_on_drop: false }` [INFO] [stdout] 881cb7486b9bd3e4e10a22498c65eb91d42383119bf1b7716d5080293e79ab07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a14576063cd158c63f4a189695afd78973d0d2de9ccfbe7fc8847e15ba66f2ec [INFO] running `Command { std: "docker" "start" "-a" "a14576063cd158c63f4a189695afd78973d0d2de9ccfbe7fc8847e15ba66f2ec", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/command_handler.rs:13:35 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn run(fifo_path: &Path, wm: &BaseWm) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn BaseWm` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/command_handler.rs:23:37 [INFO] [stderr] | [INFO] [stderr] 23 | fn read_loop(fifo_path: &Path, wm: &BaseWm) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn BaseWm` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/error.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | / error_chain! { [INFO] [stderr] 4 | | foreign_links { [INFO] [stderr] 5 | | ExecError(io::Error); [INFO] [stderr] 6 | | } [INFO] [stderr] ... | [INFO] [stderr] 16 | | } [INFO] [stderr] 17 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | / error_chain! { [INFO] [stderr] 4 | | foreign_links { [INFO] [stderr] 5 | | ExecError(io::Error); [INFO] [stderr] 6 | | } [INFO] [stderr] ... | [INFO] [stderr] 16 | | } [INFO] [stderr] 17 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable `current_monitor_name` is assigned to, but never used [INFO] [stderr] --> src/bsp_wm.rs:46:17 [INFO] [stderr] | [INFO] [stderr] 46 | let mut current_monitor_name: Option<&str> = None; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_current_monitor_name` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `current_monitor_name` is never read [INFO] [stderr] --> src/bsp_wm.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | current_monitor_name = Some(&piece[2..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `gridwm` (bin "gridwm" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/gridwm-9a084dba52c88c7b) [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" "a14576063cd158c63f4a189695afd78973d0d2de9ccfbe7fc8847e15ba66f2ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a14576063cd158c63f4a189695afd78973d0d2de9ccfbe7fc8847e15ba66f2ec", kill_on_drop: false }` [INFO] [stdout] a14576063cd158c63f4a189695afd78973d0d2de9ccfbe7fc8847e15ba66f2ec