[INFO] fetching crate dynamixel 0.1.1...
[INFO] testing dynamixel-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate dynamixel 0.1.1 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate dynamixel 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynamixel 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dynamixel 0.1.1
[INFO] tweaked toml for crates.io crate dynamixel 0.1.1 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.0.5
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] [stderr]   Downloaded badlog v1.1.1
[INFO] [stderr]   Downloaded serialport v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea9523e0e3b9c666baa85770c945e1f98076325c66c65872607e5a2c1566d46c
[INFO] running `Command { std: "docker" "start" "-a" "ea9523e0e3b9c666baa85770c945e1f98076325c66c65872607e5a2c1566d46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea9523e0e3b9c666baa85770c945e1f98076325c66c65872607e5a2c1566d46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9523e0e3b9c666baa85770c945e1f98076325c66c65872607e5a2c1566d46c", kill_on_drop: false }`
[INFO] [stdout] ea9523e0e3b9c666baa85770c945e1f98076325c66c65872607e5a2c1566d46c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dfdc9cd52dbe68e9ad47ee0a9e08e8e1a3c37a51a5ed2212bc88bdd206ce7d6
[INFO] running `Command { std: "docker" "start" "-a" "2dfdc9cd52dbe68e9ad47ee0a9e08e8e1a3c37a51a5ed2212bc88bdd206ce7d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling dynamixel v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BaudRate`
[INFO] [stdout]  --> src/protocol1/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use BaudRate;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CommunicationError`
[INFO] [stdout]  --> src/protocol1/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use CommunicationError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/protocol1/mod.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn deserialize(&[u8]) -> Self;
[INFO] [stdout]     |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BaudRate`
[INFO] [stdout]   --> src/protocol2/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use BaudRate;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/protocol2/mod.rs:169:20
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn deserialize(&[u8]) -> Self;
[INFO] [stdout]     |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Interface`
[INFO] [stdout]   --> src/protocol2/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use Interface;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/protocol1/instruction.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub id: ServoID,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/protocol1/instruction.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub id: ServoID,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `baud_rate`
[INFO] [stdout]    --> src/protocol1/mod.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     baud_rate: ::BaudRate,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `model_number`
[INFO] [stdout]    --> src/protocol1/mod.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     model_number: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/protocol1/mod.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     id: ServoID,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Broadcast`
[INFO] [stdout]    --> src/protocol1/mod.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 330 |     Broadcast,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unicast`
[INFO] [stdout]    --> src/protocol1/mod.rs:334:12
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn unicast(id: u8) -> PacketID {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `broadcast`
[INFO] [stdout]    --> src/protocol1/mod.rs:339:12
[INFO] [stdout]     |
[INFO] [stdout] 339 |     pub fn broadcast() -> PacketID {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]    --> src/protocol1/mod.rs:369:8
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn value(&self) -> u16 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/protocol2/crc.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn calc(data: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `variants`
[INFO] [stdout]    --> src/lib.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn variants() -> &'static [Self] {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "2dfdc9cd52dbe68e9ad47ee0a9e08e8e1a3c37a51a5ed2212bc88bdd206ce7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfdc9cd52dbe68e9ad47ee0a9e08e8e1a3c37a51a5ed2212bc88bdd206ce7d6", kill_on_drop: false }`
[INFO] [stdout] 2dfdc9cd52dbe68e9ad47ee0a9e08e8e1a3c37a51a5ed2212bc88bdd206ce7d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c30f4d8b368f231cb5b762b05b6379c5318d5332ab39200da04c3de2884bb243
[INFO] running `Command { std: "docker" "start" "-a" "c30f4d8b368f231cb5b762b05b6379c5318d5332ab39200da04c3de2884bb243", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BaudRate`
[INFO] [stdout]  --> src/protocol1/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use BaudRate;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CommunicationError`
[INFO] [stdout]  --> src/protocol1/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use CommunicationError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/protocol1/mod.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn deserialize(&[u8]) -> Self;
[INFO] [stdout]     |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BaudRate`
[INFO] [stdout]   --> src/protocol2/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use BaudRate;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/protocol2/mod.rs:169:20
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn deserialize(&[u8]) -> Self;
[INFO] [stdout]     |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Interface`
[INFO] [stdout]   --> src/protocol2/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use Interface;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/protocol1/instruction.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub id: ServoID,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/protocol1/instruction.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub id: ServoID,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `baud_rate`
[INFO] [stdout]    --> src/protocol1/mod.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     baud_rate: ::BaudRate,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `model_number`
[INFO] [stdout]    --> src/protocol1/mod.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     model_number: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/protocol1/mod.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     id: ServoID,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Broadcast`
[INFO] [stdout]    --> src/protocol1/mod.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 330 |     Broadcast,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unicast`
[INFO] [stdout]    --> src/protocol1/mod.rs:334:12
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn unicast(id: u8) -> PacketID {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `broadcast`
[INFO] [stdout]    --> src/protocol1/mod.rs:339:12
[INFO] [stdout]     |
[INFO] [stdout] 339 |     pub fn broadcast() -> PacketID {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]    --> src/protocol1/mod.rs:369:8
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn value(&self) -> u16 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/protocol2/crc.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn calc(data: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `variants`
[INFO] [stdout]    --> src/lib.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn variants() -> &'static [Self] {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling badlog v1.1.1
[INFO] [stderr]    Compiling serialport v2.3.0
[INFO] [stderr]    Compiling dynamixel v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BaudRate`
[INFO] [stdout]  --> src/protocol1/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use BaudRate;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CommunicationError`
[INFO] [stdout]  --> src/protocol1/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use CommunicationError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/protocol1/mod.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn deserialize(&[u8]) -> Self;
[INFO] [stdout]     |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BaudRate`
[INFO] [stdout]   --> src/protocol2/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use BaudRate;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/protocol2/mod.rs:169:20
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn deserialize(&[u8]) -> Self;
[INFO] [stdout]     |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Interface`
[INFO] [stdout]   --> src/protocol2/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use Interface;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/protocol1/instruction.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub id: ServoID,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/protocol1/instruction.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub id: ServoID,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `baud_rate`
[INFO] [stdout]    --> src/protocol1/mod.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     baud_rate: ::BaudRate,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `model_number`
[INFO] [stdout]    --> src/protocol1/mod.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     model_number: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/protocol1/mod.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     id: ServoID,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]    --> src/protocol1/mod.rs:369:8
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn value(&self) -> u16 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `variants`
[INFO] [stdout]    --> src/lib.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn variants() -> &'static [Self] {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.03s
[INFO] running `Command { std: "docker" "inspect" "c30f4d8b368f231cb5b762b05b6379c5318d5332ab39200da04c3de2884bb243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30f4d8b368f231cb5b762b05b6379c5318d5332ab39200da04c3de2884bb243", kill_on_drop: false }`
[INFO] [stdout] c30f4d8b368f231cb5b762b05b6379c5318d5332ab39200da04c3de2884bb243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32625592c3ce00074a00156a7017b2fb5665f93b43bcb56904bd83ad64850815
[INFO] running `Command { std: "docker" "start" "-a" "32625592c3ce00074a00156a7017b2fb5665f93b43bcb56904bd83ad64850815", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BaudRate`
[INFO] [stderr]  --> src/protocol1/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use BaudRate;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CommunicationError`
[INFO] [stderr]  --> src/protocol1/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use CommunicationError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/protocol1/mod.rs:168:20
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn deserialize(&[u8]) -> Self;
[INFO] [stderr]     |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BaudRate`
[INFO] [stderr]   --> src/protocol2/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use BaudRate;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/protocol2/mod.rs:169:20
[INFO] [stderr]     |
[INFO] [stderr] 169 |     fn deserialize(&[u8]) -> Self;
[INFO] [stderr]     |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interface`
[INFO] [stderr]   --> src/protocol2/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use Interface;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/protocol1/instruction.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub id: ServoID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]    --> src/protocol1/instruction.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub id: ServoID,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `baud_rate`
[INFO] [stderr]    --> src/protocol1/mod.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     baud_rate: ::BaudRate,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `model_number`
[INFO] [stderr]    --> src/protocol1/mod.rs:217:5
[INFO] [stderr]     |
[INFO] [stderr] 217 |     model_number: u16,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]    --> src/protocol1/mod.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 |     id: ServoID,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Broadcast`
[INFO] [stderr]    --> src/protocol1/mod.rs:330:5
[INFO] [stderr]     |
[INFO] [stderr] 330 |     Broadcast,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unicast`
[INFO] [stderr]    --> src/protocol1/mod.rs:334:12
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn unicast(id: u8) -> PacketID {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `broadcast`
[INFO] [stderr]    --> src/protocol1/mod.rs:339:12
[INFO] [stderr]     |
[INFO] [stderr] 339 |     pub fn broadcast() -> PacketID {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `value`
[INFO] [stderr]    --> src/protocol1/mod.rs:369:8
[INFO] [stderr]     |
[INFO] [stderr] 369 |     fn value(&self) -> u16 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `calc`
[INFO] [stderr]   --> src/protocol2/crc.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn calc(data: &[u8]) -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `variants`
[INFO] [stderr]    --> src/lib.rs:137:8
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn variants() -> &'static [Self] {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dynamixel` (lib) generated 18 warnings
[INFO] [stderr] warning: `dynamixel` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dynamixel-05cce49e7dae1014)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stderr]    Doc-tests dynamixel
[INFO] [stdout] test protocol1::instruction::tests::test_ping ... ok
[INFO] [stdout] test protocol1::instruction::tests::test_pong ... ok
[INFO] [stdout] test protocol1::instruction::tests::test_read ... ok
[INFO] [stdout] test protocol1::instruction::tests::test_write ... ok
[INFO] [stdout] test protocol2::crc::tests::calculate_checksum_raw ... ok
[INFO] [stdout] test protocol2::instruction::tests::test_ping ... ok
[INFO] [stdout] test protocol2::instruction::tests::test_pong ... ok
[INFO] [stdout] test protocol2::instruction::tests::test_pong_mixed ... ok
[INFO] [stdout] test protocol2::instruction::tests::test_read_response_byte ... ok
[INFO] [stdout] test protocol2::instruction::tests::test_read ... ok
[INFO] [stdout] test protocol2::instruction::tests::test_write ... ok
[INFO] [stdout] test protocol2::instruction::tests::test_read_response_slice ... ok
[INFO] [stdout] test protocol2::instruction::tests::test_write_response_byte ... ok
[INFO] [stdout] test protocol2::instruction::tests::test_write_response_mixed ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32625592c3ce00074a00156a7017b2fb5665f93b43bcb56904bd83ad64850815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32625592c3ce00074a00156a7017b2fb5665f93b43bcb56904bd83ad64850815", kill_on_drop: false }`
[INFO] [stdout] 32625592c3ce00074a00156a7017b2fb5665f93b43bcb56904bd83ad64850815