[INFO] fetching crate dynamixel 0.1.1... [INFO] checking dynamixel-0.1.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] extracting crate dynamixel 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate dynamixel 0.1.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate dynamixel 0.1.1 [INFO] removed 1 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-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /workspace/builds/worker-4/source/examples/serialport.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4bdc385e44278674981e6632b6b330fbd034ab8da958c9cda86c495a52332f64 [INFO] running `"docker" "start" "-a" "4bdc385e44278674981e6632b6b330fbd034ab8da958c9cda86c495a52332f64"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/examples/serialport.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking dynamixel v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking badlog v1.1.1 [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: 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: 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: 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] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unicast` [INFO] [stderr] --> src/protocol1/mod.rs:334:5 [INFO] [stderr] | [INFO] [stderr] 334 | pub fn unicast(id: u8) -> PacketID { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `broadcast` [INFO] [stderr] --> src/protocol1/mod.rs:339:5 [INFO] [stderr] | [INFO] [stderr] 339 | pub fn broadcast() -> PacketID { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `value` [INFO] [stderr] --> src/protocol1/mod.rs:369:5 [INFO] [stderr] | [INFO] [stderr] 369 | fn value(&self) -> u16 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `calc` [INFO] [stderr] --> src/protocol2/crc.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn calc(data: &[u8]) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `variants` [INFO] [stderr] --> src/lib.rs:137:5 [INFO] [stderr] | [INFO] [stderr] 137 | fn variants() -> &'static [Self] { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Checking serialport v2.3.0 [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: 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: 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: method is never used: `value` [INFO] [stderr] --> src/protocol1/mod.rs:369:5 [INFO] [stderr] | [INFO] [stderr] 369 | fn value(&self) -> u16 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `variants` [INFO] [stderr] --> src/lib.rs:137:5 [INFO] [stderr] | [INFO] [stderr] 137 | fn variants() -> &'static [Self] { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.83s [INFO] running `"docker" "inspect" "4bdc385e44278674981e6632b6b330fbd034ab8da958c9cda86c495a52332f64"` [INFO] running `"docker" "rm" "-f" "4bdc385e44278674981e6632b6b330fbd034ab8da958c9cda86c495a52332f64"` [INFO] [stdout] 4bdc385e44278674981e6632b6b330fbd034ab8da958c9cda86c495a52332f64