[INFO] fetching crate qwiic-lcd-rs 0.1.1... [INFO] testing qwiic-lcd-rs-0.1.1 against 1.60.0 for beta-1.61-1 [INFO] extracting crate qwiic-lcd-rs 0.1.1 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate qwiic-lcd-rs 0.1.1 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate qwiic-lcd-rs 0.1.1 [INFO] finished tweaking crates.io crate qwiic-lcd-rs 0.1.1 [INFO] tweaked toml for crates.io crate qwiic-lcd-rs 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2da20ee463b43aee0620ebe6d11489ff1f175a52b31c2e8295fcb0609707e8c6 [INFO] running `Command { std: "docker" "start" "-a" "2da20ee463b43aee0620ebe6d11489ff1f175a52b31c2e8295fcb0609707e8c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2da20ee463b43aee0620ebe6d11489ff1f175a52b31c2e8295fcb0609707e8c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2da20ee463b43aee0620ebe6d11489ff1f175a52b31c2e8295fcb0609707e8c6", kill_on_drop: false }` [INFO] [stdout] 2da20ee463b43aee0620ebe6d11489ff1f175a52b31c2e8295fcb0609707e8c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cff6d735de3747ce022d581d68dd5d446da5e4c3842e3d0bafac7ea0a48a62c0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cff6d735de3747ce022d581d68dd5d446da5e4c3842e3d0bafac7ea0a48a62c0", kill_on_drop: false }` [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling i2cdev v0.4.4 [INFO] [stderr] Compiling qwiic-lcd-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:188:26 [INFO] [stdout] | [INFO] [stdout] 188 | self.write_block((Command::SettingCommand as u8), block) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 188 - self.write_block((Command::SettingCommand as u8), block) [INFO] [stdout] 188 + self.write_block(Command::SettingCommand as u8, block) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/lib.rs:210:23 [INFO] [stdout] | [INFO] [stdout] 210 | let command = ((Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 210 - let command = ((Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8)); [INFO] [stdout] 210 + let command = (Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:273:40 [INFO] [stdout] | [INFO] [stdout] 273 | self.dev.smbus_write_byte_data((Command::SettingCommand as u8), command)?; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 273 - self.dev.smbus_write_byte_data((Command::SettingCommand as u8), command)?; [INFO] [stdout] 273 + self.dev.smbus_write_byte_data(Command::SettingCommand as u8, command)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:279:40 [INFO] [stdout] | [INFO] [stdout] 279 | self.dev.smbus_write_byte_data((Command::SpecialCommand as u8), command)?; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 279 - self.dev.smbus_write_byte_data((Command::SpecialCommand as u8), command)?; [INFO] [stdout] 279 + self.dev.smbus_write_byte_data(Command::SpecialCommand as u8, command)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:286:24 [INFO] [stdout] | [INFO] [stdout] 286 | return usize::from(((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 286 - return usize::from(((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min)); [INFO] [stdout] 286 + return usize::from((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_rows` [INFO] [stdout] --> src/lib.rs:117:16 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(max_rows: u8, max_columns: u8) -> ScreenConfig { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_columns` [INFO] [stdout] --> src/lib.rs:117:30 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(max_rows: u8, max_columns: u8) -> ScreenConfig { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_columns` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | self.write_setting_cmd(Command::ClearDisplay as u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/lib.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | if row > self.config.max_rows.into() || row < 0 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/lib.rs:206:52 [INFO] [stdout] | [INFO] [stdout] 206 | if col > self.config.max_columns.into() || col < 0 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.09s [INFO] running `Command { std: "docker" "inspect" "cff6d735de3747ce022d581d68dd5d446da5e4c3842e3d0bafac7ea0a48a62c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cff6d735de3747ce022d581d68dd5d446da5e4c3842e3d0bafac7ea0a48a62c0", kill_on_drop: false }` [INFO] [stdout] cff6d735de3747ce022d581d68dd5d446da5e4c3842e3d0bafac7ea0a48a62c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1e9049f5775f81c61dfd287d59ff41e0894c2003164a6f69e88d57d4274154bd [INFO] running `Command { std: "docker" "start" "-a" "1e9049f5775f81c61dfd287d59ff41e0894c2003164a6f69e88d57d4274154bd", kill_on_drop: false }` [INFO] [stderr] Compiling qwiic-lcd-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:188:26 [INFO] [stdout] | [INFO] [stdout] 188 | self.write_block((Command::SettingCommand as u8), block) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 188 - self.write_block((Command::SettingCommand as u8), block) [INFO] [stdout] 188 + self.write_block(Command::SettingCommand as u8, block) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/lib.rs:210:23 [INFO] [stdout] | [INFO] [stdout] 210 | let command = ((Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 210 - let command = ((Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8)); [INFO] [stdout] 210 + let command = (Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:273:40 [INFO] [stdout] | [INFO] [stdout] 273 | self.dev.smbus_write_byte_data((Command::SettingCommand as u8), command)?; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 273 - self.dev.smbus_write_byte_data((Command::SettingCommand as u8), command)?; [INFO] [stdout] 273 + self.dev.smbus_write_byte_data(Command::SettingCommand as u8, command)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:279:40 [INFO] [stdout] | [INFO] [stdout] 279 | self.dev.smbus_write_byte_data((Command::SpecialCommand as u8), command)?; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 279 - self.dev.smbus_write_byte_data((Command::SpecialCommand as u8), command)?; [INFO] [stdout] 279 + self.dev.smbus_write_byte_data(Command::SpecialCommand as u8, command)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:286:24 [INFO] [stdout] | [INFO] [stdout] 286 | return usize::from(((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 286 - return usize::from(((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min)); [INFO] [stdout] 286 + return usize::from((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_rows` [INFO] [stdout] --> src/lib.rs:117:16 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(max_rows: u8, max_columns: u8) -> ScreenConfig { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_columns` [INFO] [stdout] --> src/lib.rs:117:30 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(max_rows: u8, max_columns: u8) -> ScreenConfig { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_columns` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | self.write_setting_cmd(Command::ClearDisplay as u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/lib.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | if row > self.config.max_rows.into() || row < 0 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/lib.rs:206:52 [INFO] [stdout] | [INFO] [stdout] 206 | if col > self.config.max_columns.into() || col < 0 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:188:26 [INFO] [stdout] | [INFO] [stdout] 188 | self.write_block((Command::SettingCommand as u8), block) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 188 - self.write_block((Command::SettingCommand as u8), block) [INFO] [stdout] 188 + self.write_block(Command::SettingCommand as u8, block) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/lib.rs:210:23 [INFO] [stdout] | [INFO] [stdout] 210 | let command = ((Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 210 - let command = ((Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8)); [INFO] [stdout] 210 + let command = (Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:273:40 [INFO] [stdout] | [INFO] [stdout] 273 | self.dev.smbus_write_byte_data((Command::SettingCommand as u8), command)?; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 273 - self.dev.smbus_write_byte_data((Command::SettingCommand as u8), command)?; [INFO] [stdout] 273 + self.dev.smbus_write_byte_data(Command::SettingCommand as u8, command)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:279:40 [INFO] [stdout] | [INFO] [stdout] 279 | self.dev.smbus_write_byte_data((Command::SpecialCommand as u8), command)?; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 279 - self.dev.smbus_write_byte_data((Command::SpecialCommand as u8), command)?; [INFO] [stdout] 279 + self.dev.smbus_write_byte_data(Command::SpecialCommand as u8, command)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:286:24 [INFO] [stdout] | [INFO] [stdout] 286 | return usize::from(((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 286 - return usize::from(((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min)); [INFO] [stdout] 286 + return usize::from((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_rows` [INFO] [stdout] --> src/lib.rs:117:16 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(max_rows: u8, max_columns: u8) -> ScreenConfig { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_columns` [INFO] [stdout] --> src/lib.rs:117:30 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(max_rows: u8, max_columns: u8) -> ScreenConfig { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_columns` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | self.write_setting_cmd(Command::ClearDisplay as u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/lib.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | if row > self.config.max_rows.into() || row < 0 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/lib.rs:206:52 [INFO] [stdout] | [INFO] [stdout] 206 | if col > self.config.max_columns.into() || col < 0 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.34s [INFO] running `Command { std: "docker" "inspect" "1e9049f5775f81c61dfd287d59ff41e0894c2003164a6f69e88d57d4274154bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e9049f5775f81c61dfd287d59ff41e0894c2003164a6f69e88d57d4274154bd", kill_on_drop: false }` [INFO] [stdout] 1e9049f5775f81c61dfd287d59ff41e0894c2003164a6f69e88d57d4274154bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d37b9f563ef8ecf1c00a557add74db185434e8ad4cd80f89253c6c40444a7c0d [INFO] running `Command { std: "docker" "start" "-a" "d37b9f563ef8ecf1c00a557add74db185434e8ad4cd80f89253c6c40444a7c0d", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:188:26 [INFO] [stdout] running 1 test [INFO] [stderr] | [INFO] [stderr] 188 | self.write_block((Command::SettingCommand as u8), block) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 188 - self.write_block((Command::SettingCommand as u8), block) [INFO] [stderr] 188 + self.write_block(Command::SettingCommand as u8, block) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/lib.rs:210:23 [INFO] [stderr] | [INFO] [stderr] 210 | let command = ((Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8)); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 210 - let command = ((Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8)); [INFO] [stderr] 210 + let command = (Command::SetDDRamAddr as u8) | ((col + row_offsets[row]) as u8); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:273:40 [INFO] [stderr] | [INFO] [stderr] 273 | self.dev.smbus_write_byte_data((Command::SettingCommand as u8), command)?; [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 273 - self.dev.smbus_write_byte_data((Command::SettingCommand as u8), command)?; [INFO] [stderr] 273 + self.dev.smbus_write_byte_data(Command::SettingCommand as u8, command)?; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:279:40 [INFO] [stderr] | [INFO] [stderr] 279 | self.dev.smbus_write_byte_data((Command::SpecialCommand as u8), command)?; [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 279 - self.dev.smbus_write_byte_data((Command::SpecialCommand as u8), command)?; [INFO] [stderr] 279 + self.dev.smbus_write_byte_data(Command::SpecialCommand as u8, command)?; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:286:24 [INFO] [stderr] | [INFO] [stderr] 286 | return usize::from(((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min)); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 286 - return usize::from(((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min)); [INFO] [stderr] 286 + return usize::from((x-in_min) * (out_max-out_min) / (in_max-in_min) + out_min); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_rows` [INFO] [stderr] --> src/lib.rs:117:16 [INFO] [stderr] | [INFO] [stderr] 117 | pub fn new(max_rows: u8, max_columns: u8) -> ScreenConfig { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_rows` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_columns` [INFO] [stderr] --> src/lib.rs:117:30 [INFO] [stderr] | [INFO] [stderr] 117 | pub fn new(max_rows: u8, max_columns: u8) -> ScreenConfig { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_columns` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:192:9 [INFO] [stderr] | [INFO] [stderr] 192 | self.write_setting_cmd(Command::ClearDisplay as u8); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/lib.rs:203:49 [INFO] [stderr] | [INFO] [stderr] 203 | if row > self.config.max_rows.into() || row < 0 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/lib.rs:206:52 [INFO] [stderr] | [INFO] [stderr] 206 | if col > self.config.max_columns.into() || col < 0 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `qwiic-lcd-rs` (lib) generated 10 warnings [INFO] [stderr] warning: `qwiic-lcd-rs` (lib test) generated 10 warnings (10 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/qwiic_lcd_rs-6a949c9a77bf8659) [INFO] [stdout] test tests::test_init ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test_init stdout ---- [INFO] [stdout] thread 'tests::test_init' panicked at 'Could not init device: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })', src/lib.rs:298:66 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5570d618f18d - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5570d618f18d - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5570d618f18d - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x5570d618f18d - ::fmt::h606862f787600875 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x5570d61b456c - core::fmt::write::he803f0f418caf762 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x5570d618aa88 - std::io::Write::write_fmt::hbe7c1a63616291e2 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x5570d6191467 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x5570d6191467 - std::sys_common::backtrace::print::h359300b4a7fccf65 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x5570d6191467 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x5570d619119c - std::panicking::default_hook::h03ca0f22e1d2d25e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x5570d6191bb9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x5570d61918a7 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x5570d618f654 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x5570d61915b9 - rust_begin_unwind [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x5570d612f133 - core::panicking::panic_fmt::he1bbc7336d49a357 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x5570d612f223 - core::result::unwrap_failed::h719f957ed74f93fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1749:5 [INFO] [stdout] 16: 0x5570d61335eb - core::result::Result::expect::h4614e549768a8ab3 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1022:23 [INFO] [stdout] 17: 0x5570d613127f - qwiic_lcd_rs::tests::test_init::h943601e74d622f6b [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:298:26 [INFO] [stdout] 18: 0x5570d61311da - qwiic_lcd_rs::tests::test_init::{{closure}}::hfe1c4d7e6f31ac34 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:294:5 [INFO] [stdout] 19: 0x5570d613259e - core::ops::function::FnOnce::call_once::hb5dcb1fcd4a7e750 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x5570d615ffa3 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5570d615ffa3 - test::__rust_begin_short_backtrace::h594ef8055a183b9b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5 [INFO] [stdout] 22: 0x5570d615ec84 - as core::ops::function::FnOnce>::call_once::hb40cbb8bc3e1be15 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 23: 0x5570d615ec84 - as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x5570d615ec84 - std::panicking::try::do_call::h92af9f8bc77a5987 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x5570d615ec84 - std::panicking::try::h9df49eeae42572b7 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x5570d615ec84 - std::panic::catch_unwind::h101dbadc82bbe0fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x5570d615ec84 - test::run_test_in_process::h2ad7bffb068e750a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18 [INFO] [stdout] 28: 0x5570d615ec84 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x5570d61685a1 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x5570d61685a1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x5570d6134c1f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x5570d6134c1f - as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x5570d6134c1f - std::panicking::try::do_call::h6d5dc1045d0eade8 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x5570d6134c1f - std::panicking::try::hbc897fc717ec6571 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x5570d6134c1f - std::panic::catch_unwind::h27f1e958c91391ad [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x5570d6134c1f - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x5570d6134c1f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x5570d61978c3 - as core::ops::function::FnOnce>::call_once::hf70ac038171e3e1a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 39: 0x5570d61978c3 - as core::ops::function::FnOnce>::call_once::he6690128792365ad [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 40: 0x5570d61978c3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f6514896609 - start_thread [INFO] [stdout] 42: 0x7f6514664163 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::test_init [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d37b9f563ef8ecf1c00a557add74db185434e8ad4cd80f89253c6c40444a7c0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d37b9f563ef8ecf1c00a557add74db185434e8ad4cd80f89253c6c40444a7c0d", kill_on_drop: false }` [INFO] [stdout] d37b9f563ef8ecf1c00a557add74db185434e8ad4cd80f89253c6c40444a7c0d