[INFO] fetching crate qwiic-lcd-rs 0.1.1... [INFO] testing qwiic-lcd-rs-0.1.1 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate qwiic-lcd-rs 0.1.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate qwiic-lcd-rs 0.1.1 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "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] 0cba7b691a86a1d2b8e468fb5f608879ad9c9c79d4becbb225b61cab21bb2249 [INFO] running `Command { std: "docker" "start" "-a" "0cba7b691a86a1d2b8e468fb5f608879ad9c9c79d4becbb225b61cab21bb2249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0cba7b691a86a1d2b8e468fb5f608879ad9c9c79d4becbb225b61cab21bb2249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cba7b691a86a1d2b8e468fb5f608879ad9c9c79d4becbb225b61cab21bb2249", kill_on_drop: false }` [INFO] [stdout] 0cba7b691a86a1d2b8e468fb5f608879ad9c9c79d4becbb225b61cab21bb2249 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 545dbbd05e865fac1512888c022a7407ceb747237b141f81b5c333931951aaab [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" "545dbbd05e865fac1512888c022a7407ceb747237b141f81b5c333931951aaab", 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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "545dbbd05e865fac1512888c022a7407ceb747237b141f81b5c333931951aaab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "545dbbd05e865fac1512888c022a7407ceb747237b141f81b5c333931951aaab", kill_on_drop: false }` [INFO] [stdout] 545dbbd05e865fac1512888c022a7407ceb747237b141f81b5c333931951aaab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a50d56031edbcc82bc2098b655deb9e2311285780490bf41842f317a9d58fd3a [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" "a50d56031edbcc82bc2098b655deb9e2311285780490bf41842f317a9d58fd3a", 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 1.19s [INFO] running `Command { std: "docker" "inspect" "a50d56031edbcc82bc2098b655deb9e2311285780490bf41842f317a9d58fd3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a50d56031edbcc82bc2098b655deb9e2311285780490bf41842f317a9d58fd3a", kill_on_drop: false }` [INFO] [stdout] a50d56031edbcc82bc2098b655deb9e2311285780490bf41842f317a9d58fd3a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "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] e79ff8d4714abab239e998caa84f090a5acd0e7393a216b951004addc27f3c23 [INFO] running `Command { std: "docker" "start" "-a" "e79ff8d4714abab239e998caa84f090a5acd0e7393a216b951004addc27f3c23", 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 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/qwiic_lcd_rs-c8bc0e0328871f9d) [INFO] [stdout] [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: 0x55c66126403c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55c66126403c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c66126403c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55c66126403c - ::fmt::ha305a40dbc030444 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55c66128939c - core::fmt::write::hadd15acf4d6ce273 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x55c66125f938 - std::io::Write::write_fmt::h271050faa79d27d2 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x55c661266307 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55c661266307 - std::sys_common::backtrace::print::h20a2155fa0a22ca6 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55c661266307 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55c66126603b - std::panicking::default_hook::h1c5cf4d5063a38e4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55c661266a5a - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55c661266747 - std::panicking::begin_panic_handler::{{closure}}::h5106de2f55f1a411 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55c661264504 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ad5c2a8a003ca72 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55c661266459 - rust_begin_unwind [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55c661204133 - core::panicking::panic_fmt::hfb4b8460cd493e74 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x55c661204223 - core::result::unwrap_failed::hf9b34e307f812de0 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/result.rs:1749:5 [INFO] [stdout] 16: 0x55c6612085eb - core::result::Result::expect::h34ff043e97c9b73f [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/result.rs:1022:23 [INFO] [stdout] 17: 0x55c66120627f - qwiic_lcd_rs::tests::test_init::h742a046f14d790f3 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:298:26 [INFO] [stdout] 18: 0x55c6612061da - qwiic_lcd_rs::tests::test_init::{{closure}}::h33ba17793c0a299c [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:294:5 [INFO] [stdout] 19: 0x55c66120753e - core::ops::function::FnOnce::call_once::h31713798fae0a136 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55c661234f63 - core::ops::function::FnOnce::call_once::h43953c8a8f54893f [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55c661234f63 - test::__rust_begin_short_backtrace::h163f55298a15df9b [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:575:5 [INFO] [stdout] 22: 0x55c661233c91 - as core::ops::function::FnOnce>::call_once::hc911782b3cbc7ed5 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 23: 0x55c661233c91 - as core::ops::function::FnOnce<()>>::call_once::hc5bb369afbf9cd4e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55c661233c91 - std::panicking::try::do_call::he60df4e3e832faff [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55c661233c91 - std::panicking::try::h2633cee89a0767f3 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55c661233c91 - std::panic::catch_unwind::h6e10f7b94ce38b1e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55c661233c91 - test::run_test_in_process::h085ef39049c3b50b [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:598:18 [INFO] [stdout] 28: 0x55c661233c91 - test::run_test::run_test_inner::{{closure}}::h4e58ce9f68eb43e4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x55c66123d571 - test::run_test::run_test_inner::{{closure}}::h6d18db28c5e396ee [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x55c66123d571 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32292cb2cd8be620 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55c661209ccf - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h71ee66b20f7b0482 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x55c661209ccf - as core::ops::function::FnOnce<()>>::call_once::hb6046e1d1a75a4a4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55c661209ccf - std::panicking::try::do_call::h5422165a88309c77 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55c661209ccf - std::panicking::try::h840a12b54e2c9f5d [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55c661209ccf - std::panic::catch_unwind::h85910e437c8da180 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55c661209ccf - std::thread::Builder::spawn_unchecked_::{{closure}}::ha3af3a297bfd51d6 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x55c661209ccf - core::ops::function::FnOnce::call_once{{vtable.shim}}::hff8788f58e0e06a9 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55c66126c713 - as core::ops::function::FnOnce>::call_once::h82a18723295373b7 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 39: 0x55c66126c713 - as core::ops::function::FnOnce>::call_once::h4b9b8634f7a2a5a4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 40: 0x55c66126c713 - std::sys::unix::thread::Thread::new::thread_start::h3dc341aa024c6852 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f0b14fe8609 - start_thread [INFO] [stdout] 42: 0x7f0b14db8293 - 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 0.06s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e79ff8d4714abab239e998caa84f090a5acd0e7393a216b951004addc27f3c23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e79ff8d4714abab239e998caa84f090a5acd0e7393a216b951004addc27f3c23", kill_on_drop: false }` [INFO] [stdout] e79ff8d4714abab239e998caa84f090a5acd0e7393a216b951004addc27f3c23