[INFO] fetching crate rplidar_drv 0.6.0...
[INFO] checking rplidar_drv-0.6.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate rplidar_drv 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rplidar_drv 0.6.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rplidar_drv 0.6.0
[INFO] finished tweaking crates.io crate rplidar_drv 0.6.0
[INFO] tweaked toml for crates.io crate rplidar_drv 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpos_drv v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8f63d3cc1e3b21d3142facf0608a904e62810d565068d9a60f347ff9b6a1907
[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" "e8f63d3cc1e3b21d3142facf0608a904e62810d565068d9a60f347ff9b6a1907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8f63d3cc1e3b21d3142facf0608a904e62810d565068d9a60f347ff9b6a1907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f63d3cc1e3b21d3142facf0608a904e62810d565068d9a60f347ff9b6a1907", kill_on_drop: false }`
[INFO] [stdout] e8f63d3cc1e3b21d3142facf0608a904e62810d565068d9a60f347ff9b6a1907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3595d7c7aab301a7bb6d8b6a131e4297c29abc6c2dd251069e040a7067f14c47
[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" "3595d7c7aab301a7bb6d8b6a131e4297c29abc6c2dd251069e040a7067f14c47", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rpos_drv v0.2.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking rplidar_drv v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/answers.rs:145:71
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub const RPLIDAR_RESP_ACC_BOARD_FLAG_MOTOR_CTRL_SUPPORT_MASK : u32 = (0x1);
[INFO] [stdout]     |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/answers.rs:145:71
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub const RPLIDAR_RESP_ACC_BOARD_FLAG_MOTOR_CTRL_SUPPORT_MASK : u32 = (0x1);
[INFO] [stdout]     |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/capsuled_parser.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | const ANGLE_360_Q8: u32 = (360u32 << 8);
[INFO] [stdout]   |                           ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/capsuled_parser.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | const ANGLE_360_Q16: u32 = (360u32 << 16);
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/capsuled_parser.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         (0x2fu8 << RPLIDAR_RESP_MEASUREMENT_QUALITY_SHIFT)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/capsuled_parser.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | const ANGLE_360_Q8: u32 = (360u32 << 8);
[INFO] [stdout]   |                           ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/capsuled_parser.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | const ANGLE_360_Q16: u32 = (360u32 << 16);
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/capsuled_parser.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         (0x2fu8 << RPLIDAR_RESP_MEASUREMENT_QUALITY_SHIFT)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "3595d7c7aab301a7bb6d8b6a131e4297c29abc6c2dd251069e040a7067f14c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3595d7c7aab301a7bb6d8b6a131e4297c29abc6c2dd251069e040a7067f14c47", kill_on_drop: false }`
[INFO] [stdout] 3595d7c7aab301a7bb6d8b6a131e4297c29abc6c2dd251069e040a7067f14c47