[INFO] fetching crate rplidar_drv 0.6.0...
[INFO] testing rplidar_drv-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rplidar_drv 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rplidar_drv 0.6.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 9618b53840f9ac27048432922f20d9d9a04862a73976cee565d08000b1fed49b
[INFO] running `Command { std: "docker" "start" "-a" "9618b53840f9ac27048432922f20d9d9a04862a73976cee565d08000b1fed49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9618b53840f9ac27048432922f20d9d9a04862a73976cee565d08000b1fed49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9618b53840f9ac27048432922f20d9d9a04862a73976cee565d08000b1fed49b", kill_on_drop: false }`
[INFO] [stdout] 9618b53840f9ac27048432922f20d9d9a04862a73976cee565d08000b1fed49b
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7144dda67f1d4d95abe8424fa0d1e63be4069564ea09278726a42f5c993c96c9
[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" "7144dda67f1d4d95abe8424fa0d1e63be4069564ea09278726a42f5c993c96c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling rpos_drv v0.2.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling 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/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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "7144dda67f1d4d95abe8424fa0d1e63be4069564ea09278726a42f5c993c96c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7144dda67f1d4d95abe8424fa0d1e63be4069564ea09278726a42f5c993c96c9", kill_on_drop: false }`
[INFO] [stdout] 7144dda67f1d4d95abe8424fa0d1e63be4069564ea09278726a42f5c993c96c9
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3d7c243218cf24135923912c83229f0c683aa674e5388f4a2cf4df65618d933
[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" "b3d7c243218cf24135923912c83229f0c683aa674e5388f4a2cf4df65618d933", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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/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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "b3d7c243218cf24135923912c83229f0c683aa674e5388f4a2cf4df65618d933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d7c243218cf24135923912c83229f0c683aa674e5388f4a2cf4df65618d933", kill_on_drop: false }`
[INFO] [stdout] b3d7c243218cf24135923912c83229f0c683aa674e5388f4a2cf4df65618d933
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] ec702803cfc887de53738fea8a93ccd5f825dfe9a094a74d5e1fd98fbfd4af7b
[INFO] running `Command { std: "docker" "start" "-a" "ec702803cfc887de53738fea8a93ccd5f825dfe9a094a74d5e1fd98fbfd4af7b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/answers.rs:145:71
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub const RPLIDAR_RESP_ACC_BOARD_FLAG_MOTOR_CTRL_SUPPORT_MASK : u32 = (0x1);
[INFO] [stderr]     |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/capsuled_parser.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | const ANGLE_360_Q8: u32 = (360u32 << 8);
[INFO] [stderr]   |                           ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/capsuled_parser.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | const ANGLE_360_Q16: u32 = (360u32 << 16);
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/capsuled_parser.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         (0x2fu8 << RPLIDAR_RESP_MEASUREMENT_QUALITY_SHIFT)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/answers.rs:145:71
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub const RPLIDAR_RESP_ACC_BOARD_FLAG_MOTOR_CTRL_SUPPORT_MASK : u32 = (0x1);
[INFO] [stderr]     |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/capsuled_parser.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | const ANGLE_360_Q8: u32 = (360u32 << 8);
[INFO] [stderr]   |                           ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/capsuled_parser.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | const ANGLE_360_Q16: u32 = (360u32 << 16);
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/capsuled_parser.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         (0x2fu8 << RPLIDAR_RESP_MEASUREMENT_QUALITY_SHIFT)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rplidar_drv-6e6b4ba3351528e5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rplidar_drv
[INFO] [stdout] test protocol::tests::protocol_encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/answers.rs:145:71
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub const RPLIDAR_RESP_ACC_BOARD_FLAG_MOTOR_CTRL_SUPPORT_MASK : u32 = (0x1);
[INFO] [stderr]     |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> /opt/rustwide/workdir/src/capsuled_parser.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | const ANGLE_360_Q8: u32 = (360u32 << 8);
[INFO] [stderr]   |                           ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> /opt/rustwide/workdir/src/capsuled_parser.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | const ANGLE_360_Q16: u32 = (360u32 << 16);
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/capsuled_parser.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         (0x2fu8 << RPLIDAR_RESP_MEASUREMENT_QUALITY_SHIFT)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - RplidarDevice<T>::new (line 97) ... ignored
[INFO] [stdout] test src/lib.rs - RplidarDevice<T>::with_stream (line 113) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec702803cfc887de53738fea8a93ccd5f825dfe9a094a74d5e1fd98fbfd4af7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec702803cfc887de53738fea8a93ccd5f825dfe9a094a74d5e1fd98fbfd4af7b", kill_on_drop: false }`
[INFO] [stdout] ec702803cfc887de53738fea8a93ccd5f825dfe9a094a74d5e1fd98fbfd4af7b