[INFO] cloning repository https://github.com/DarthGeek01/lds01-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DarthGeek01/lds01-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarthGeek01%2Flds01-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarthGeek01%2Flds01-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 49b497a9117750c4423fb75bae63be3add4bf5e4 [INFO] building DarthGeek01/lds01-rs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarthGeek01%2Flds01-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DarthGeek01/lds01-rs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DarthGeek01/lds01-rs [INFO] finished tweaking git repo https://github.com/DarthGeek01/lds01-rs [INFO] tweaked toml for git repo https://github.com/DarthGeek01/lds01-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/DarthGeek01/lds01-rs 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded thread_local v1.1.0 [INFO] [stderr] Downloaded serialport v4.0.0 [INFO] [stderr] Downloaded ctrlc v3.1.7 [INFO] [stderr] Downloaded version-compare v0.0.10 [INFO] [stderr] Downloaded libudev v0.2.0 [INFO] [stderr] Downloaded sdl2 v0.34.3 [INFO] [stderr] Downloaded nix v0.16.1 [INFO] [stderr] Downloaded sdl2-sys v0.34.3 [INFO] [stderr] Downloaded libc v0.2.82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5147830304b9634d9dc70519a62d569cf187351ed1c8bbcb3db5e5a2529fcbd [INFO] running `Command { std: "docker" "start" "-a" "c5147830304b9634d9dc70519a62d569cf187351ed1c8bbcb3db5e5a2529fcbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5147830304b9634d9dc70519a62d569cf187351ed1c8bbcb3db5e5a2529fcbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5147830304b9634d9dc70519a62d569cf187351ed1c8bbcb3db5e5a2529fcbd", kill_on_drop: false }` [INFO] [stdout] c5147830304b9634d9dc70519a62d569cf187351ed1c8bbcb3db5e5a2529fcbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c70464bb11a372bbd550aeccf9ec4843e26ded7f0fde028d007b4bf5688ac1ca [INFO] running `Command { std: "docker" "start" "-a" "c70464bb11a372bbd550aeccf9ec4843e26ded7f0fde028d007b4bf5688ac1ca", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling sdl2 v0.34.3 [INFO] [stderr] Compiling sdl2-sys v0.34.3 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling libudev v0.2.0 [INFO] [stderr] Compiling ctrlc v3.1.7 [INFO] [stderr] Compiling serialport v4.0.0 [INFO] [stderr] Compiling rust_lidar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `TTYPort` [INFO] [stdout] --> src/lidar_scanner.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use serialport::{TTYPort, SerialPort}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Error` [INFO] [stdout] --> src/lidar_scanner.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ops::Mul` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::ops::Mul; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `index` is never read [INFO] [stdout] --> src/lidar_scanner.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut index = 0_usize; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `motor_speed` [INFO] [stdout] --> src/lidar_scanner.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut motor_speed = 0_u32; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_motor_speed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rpms` [INFO] [stdout] --> src/lidar_scanner.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut rpms = 0_u16; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rpms` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lidar_scanner.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut motor_speed = 0_u32; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lidar_scanner.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let mut rpms = 0_u16; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `angular_min`, `angular_max`, `radial_min`, `radial_max`, `motor_speed`, and `baud_rate` are never read [INFO] [stdout] --> src/lidar_scanner.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct LidarScanner { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 6 | angular_min: f64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 7 | angular_max: f64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 8 | radial_min: f64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 9 | radial_max: f64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 10 | motor_speed: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 11 | [INFO] [stdout] 12 | baud_rate: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | canvas.draw_rects(&pts[..]); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = canvas.draw_rects(&pts[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | canvas.draw_rect(sdl2::rect::Rect::new(mid, mid, 10, 10)); [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] 61 | let _ = canvas.draw_rect(sdl2::rect::Rect::new(mid, mid, 10, 10)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lidar_scanner.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | port.write("b".as_bytes()); [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] 27 | let _ = port.write("b".as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lidar_scanner.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | self.serial_port.write("e".as_bytes()); [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] 45 | let _ = self.serial_port.write("e".as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lidar_scanner.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | self.serial_port.read_exact(&mut self.raw_bytes[0..1]); [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] 60 | let _ = self.serial_port.read_exact(&mut self.raw_bytes[0..1]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lidar_scanner.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | self.serial_port.read_exact(&mut self.raw_bytes[1..2]); [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] 62 | let _ = self.serial_port.read_exact(&mut self.raw_bytes[1..2]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lidar_scanner.rs:69:36 [INFO] [stdout] | [INFO] [stdout] 69 | ... panic!(e) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 69 | panic!("{}", e) [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 69 | std::panic::panic_any(e) [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s [INFO] running `Command { std: "docker" "inspect" "c70464bb11a372bbd550aeccf9ec4843e26ded7f0fde028d007b4bf5688ac1ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c70464bb11a372bbd550aeccf9ec4843e26ded7f0fde028d007b4bf5688ac1ca", kill_on_drop: false }` [INFO] [stdout] c70464bb11a372bbd550aeccf9ec4843e26ded7f0fde028d007b4bf5688ac1ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4fd4030b2b3f4537f3d00fb186e1488290065dff6b0841a3c667cfe38450fa4 [INFO] running `Command { std: "docker" "start" "-a" "e4fd4030b2b3f4537f3d00fb186e1488290065dff6b0841a3c667cfe38450fa4", kill_on_drop: false }` [INFO] [stderr] Compiling rust_lidar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `TTYPort` [INFO] [stdout] --> src/lidar_scanner.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use serialport::{TTYPort, SerialPort}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Error` [INFO] [stdout] --> src/lidar_scanner.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ops::Mul` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::ops::Mul; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `index` is never read [INFO] [stdout] --> src/lidar_scanner.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut index = 0_usize; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `motor_speed` [INFO] [stdout] --> src/lidar_scanner.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut motor_speed = 0_u32; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_motor_speed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rpms` [INFO] [stdout] --> src/lidar_scanner.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut rpms = 0_u16; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rpms` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lidar_scanner.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut motor_speed = 0_u32; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lidar_scanner.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let mut rpms = 0_u16; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `angular_min`, `angular_max`, `radial_min`, `radial_max`, `motor_speed`, and `baud_rate` are never read [INFO] [stdout] --> src/lidar_scanner.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct LidarScanner { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 6 | angular_min: f64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 7 | angular_max: f64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 8 | radial_min: f64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 9 | radial_max: f64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 10 | motor_speed: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 11 | [INFO] [stdout] 12 | baud_rate: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | canvas.draw_rects(&pts[..]); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = canvas.draw_rects(&pts[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | canvas.draw_rect(sdl2::rect::Rect::new(mid, mid, 10, 10)); [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] 61 | let _ = canvas.draw_rect(sdl2::rect::Rect::new(mid, mid, 10, 10)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lidar_scanner.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | port.write("b".as_bytes()); [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] 27 | let _ = port.write("b".as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lidar_scanner.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | self.serial_port.write("e".as_bytes()); [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] 45 | let _ = self.serial_port.write("e".as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lidar_scanner.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | self.serial_port.read_exact(&mut self.raw_bytes[0..1]); [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] 60 | let _ = self.serial_port.read_exact(&mut self.raw_bytes[0..1]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lidar_scanner.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | self.serial_port.read_exact(&mut self.raw_bytes[1..2]); [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] 62 | let _ = self.serial_port.read_exact(&mut self.raw_bytes[1..2]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lidar_scanner.rs:69:36 [INFO] [stdout] | [INFO] [stdout] 69 | ... panic!(e) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 69 | panic!("{}", e) [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 69 | std::panic::panic_any(e) [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "e4fd4030b2b3f4537f3d00fb186e1488290065dff6b0841a3c667cfe38450fa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4fd4030b2b3f4537f3d00fb186e1488290065dff6b0841a3c667cfe38450fa4", kill_on_drop: false }` [INFO] [stdout] e4fd4030b2b3f4537f3d00fb186e1488290065dff6b0841a3c667cfe38450fa4