[INFO] fetching crate qwiic-lcd-rs 0.1.1... [INFO] testing qwiic-lcd-rs-0.1.1 against 1.59.0 for beta-1.60-1 [INFO] extracting crate qwiic-lcd-rs 0.1.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate qwiic-lcd-rs 0.1.1 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f744d062ad6ed32102f23ae4fdaf024e4dcc2990931ae70933a4bc61dec0e760 [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" "f744d062ad6ed32102f23ae4fdaf024e4dcc2990931ae70933a4bc61dec0e760", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f744d062ad6ed32102f23ae4fdaf024e4dcc2990931ae70933a4bc61dec0e760", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f744d062ad6ed32102f23ae4fdaf024e4dcc2990931ae70933a4bc61dec0e760", kill_on_drop: false }` [INFO] [stdout] f744d062ad6ed32102f23ae4fdaf024e4dcc2990931ae70933a4bc61dec0e760 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--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] d554a9ec662b0ea4ef15858f339544c4c134387ab37224c2952f5d7845fefb07 [INFO] running `Command { std: "docker" "start" "-a" "d554a9ec662b0ea4ef15858f339544c4c134387ab37224c2952f5d7845fefb07", kill_on_drop: false }` [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling num-traits v0.1.43 [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 9.43s [INFO] running `Command { std: "docker" "inspect" "d554a9ec662b0ea4ef15858f339544c4c134387ab37224c2952f5d7845fefb07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d554a9ec662b0ea4ef15858f339544c4c134387ab37224c2952f5d7845fefb07", kill_on_drop: false }` [INFO] [stdout] d554a9ec662b0ea4ef15858f339544c4c134387ab37224c2952f5d7845fefb07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5018e8f9b70c1c5f70eef8852773f110f4a0fc793a66a2033e012ae7b63430e7 [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" "5018e8f9b70c1c5f70eef8852773f110f4a0fc793a66a2033e012ae7b63430e7", 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 1.04s [INFO] running `Command { std: "docker" "inspect" "5018e8f9b70c1c5f70eef8852773f110f4a0fc793a66a2033e012ae7b63430e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5018e8f9b70c1c5f70eef8852773f110f4a0fc793a66a2033e012ae7b63430e7", kill_on_drop: false }` [INFO] [stdout] 5018e8f9b70c1c5f70eef8852773f110f4a0fc793a66a2033e012ae7b63430e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7b6b3d7d4579dcf68d8f50be91d9a1d7b8ace7dd7c03b70ab67d145a48358c04 [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" "7b6b3d7d4579dcf68d8f50be91d9a1d7b8ace7dd7c03b70ab67d145a48358c04", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:188:26 [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 0.06s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/qwiic_lcd_rs-4bf2fced3a2be1b6) [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stdout] test tests::test_init ... FAILED [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: 0x5619f9a7879c - std::backtrace_rs::backtrace::libunwind::trace::h91c465e73bf6c785 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5619f9a7879c - std::backtrace_rs::backtrace::trace_unsynchronized::hae9da36f5d58b5f3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5619f9a7879c - std::sys_common::backtrace::_print_fmt::h7f499fa126a7effb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5619f9a7879c - ::fmt::h3e2b509ce2ce6007 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5619f9a9e0ac - core::fmt::write::h753c7571fa063ecb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/fmt/mod.rs:1168:17 [INFO] [stdout] 5: 0x5619f9a73a03 - std::io::Write::write_fmt::hb649ab67f71b6655 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/io/mod.rs:1660:15 [INFO] [stdout] 6: 0x5619f9a7ae72 - std::sys_common::backtrace::_print::h64941a6fc8b0ed9b [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5619f9a7ae72 - std::sys_common::backtrace::print::hcf25e43e1a9b0766 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5619f9a7ae72 - std::panicking::default_hook::{{closure}}::h78d3e6cf97fc623d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x5619f9a7aac1 - std::panicking::default_hook::hda898f8d3ad1a5ae [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x5619f9a7b4c3 - std::panicking::rust_panic_with_hook::h1a5ea2d6c23051aa [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x5619f9a7b1e0 - std::panicking::begin_panic_handler::{{closure}}::h07f549390938b73f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x5619f9a78c44 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ec3758a92cfb00d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x5619f9a7af19 - rust_begin_unwind [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x5619f9a19dd1 - core::panicking::panic_fmt::h3a79a6a99affe1d5 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:116:14 [INFO] [stdout] 15: 0x5619f9a19ec3 - core::result::unwrap_failed::ha0327e3803285d6e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1690:5 [INFO] [stdout] 16: 0x5619f9a1d264 - core::result::Result::expect::h54104c0e0baf8dc2 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:975:23 [INFO] [stdout] 17: 0x5619f9a1e41d - qwiic_lcd_rs::tests::test_init::h17121b7f0497612b [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:298:26 [INFO] [stdout] 18: 0x5619f9a1e38a - qwiic_lcd_rs::tests::test_init::{{closure}}::h8541596bef824bf2 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:294:5 [INFO] [stdout] 19: 0x5619f9a1c4fe - core::ops::function::FnOnce::call_once::he776865740a16646 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x5619f9a4a293 - core::ops::function::FnOnce::call_once::h1845a80638abc06e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5619f9a4a293 - test::__rust_begin_short_backtrace::h4f56ccea01b9889f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x5619f9a48f7f - as core::ops::function::FnOnce>::call_once::h5afedf14a39ffa74 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 23: 0x5619f9a48f7f - as core::ops::function::FnOnce<()>>::call_once::hd5aaa1b551e9ce71 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x5619f9a48f7f - std::panicking::try::do_call::h316eebee63f96d32 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x5619f9a48f7f - std::panicking::try::h662e31e84dd7ce52 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x5619f9a48f7f - std::panic::catch_unwind::h129c1b23f076663f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x5619f9a48f7f - test::run_test_in_process::h51d800d572f878ef [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x5619f9a48f7f - test::run_test::run_test_inner::{{closure}}::h71a47db430260854 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x5619f9a52341 - test::run_test::run_test_inner::{{closure}}::h02edd5b3e2dab52a [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x5619f9a52341 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0838cfc8b0e995ec [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 31: 0x5619f9a1edcf - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4c2725d7078043cd [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/thread/mod.rs:477:17 [INFO] [stdout] 32: 0x5619f9a1edcf - as core::ops::function::FnOnce<()>>::call_once::hdf1aa612eed87270 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x5619f9a1edcf - std::panicking::try::do_call::hc72f8de3706d18d6 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 34: 0x5619f9a1edcf - std::panicking::try::h63f01f54dbd0fb87 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 35: 0x5619f9a1edcf - std::panic::catch_unwind::h58bc464ae9b26453 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 36: 0x5619f9a1edcf - std::thread::Builder::spawn_unchecked::{{closure}}::h6c065e19513e33e3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/thread/mod.rs:476:30 [INFO] [stdout] 37: 0x5619f9a1edcf - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd143450c74f35c32 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x5619f9a81063 - as core::ops::function::FnOnce>::call_once::h49b6c7c5155a2296 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 39: 0x5619f9a81063 - as core::ops::function::FnOnce>::call_once::ha8b5234bfeb15105 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 40: 0x5619f9a81063 - std::sys::unix::thread::Thread::new::thread_start::h6f207dd842d64859 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7facd2a64609 - start_thread [INFO] [stdout] 42: 0x7facd2834293 - 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" "7b6b3d7d4579dcf68d8f50be91d9a1d7b8ace7dd7c03b70ab67d145a48358c04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b6b3d7d4579dcf68d8f50be91d9a1d7b8ace7dd7c03b70ab67d145a48358c04", kill_on_drop: false }` [INFO] [stdout] 7b6b3d7d4579dcf68d8f50be91d9a1d7b8ace7dd7c03b70ab67d145a48358c04