[INFO] updating cached repository https://github.com/dmweis/hopper_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 04bae2f056be6d8e1494893db597a09463759787
[INFO] checking dmweis/hopper_rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmweis%2Fhopper_rust" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmweis/hopper_rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dmweis/hopper_rust
[INFO] finished tweaking git repo https://github.com/dmweis/hopper_rust
[INFO] tweaked toml for git repo https://github.com/dmweis/hopper_rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dmweis/hopper_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 22c637042621133781acdd36d662d6b4bc7910e943b4507a7ed5cdf943ad16d4
[INFO] running `"docker" "start" "-a" "22c637042621133781acdd36d662d6b4bc7910e943b4507a7ed5cdf943ad16d4"`
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[INFO] [stderr] warning: variant is never constructed: `SetCompliance`
[INFO] [stderr]   --> src/body_controller/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     SetCompliance(u8),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetSpeed`
[INFO] [stderr]   --> src/body_controller/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     SetSpeed(u16),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ReadPosition`
[INFO] [stderr]   --> src/body_controller/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ReadPosition,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buffered_command_sender`
[INFO] [stderr]   --> src/body_controller/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     buffered_command_sender: Sender<BufferedCommand>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position_receiver`
[INFO] [stderr]   --> src/body_controller/mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     position_receiver: Receiver<BodyMotorPositions>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_compliance`
[INFO] [stderr]   --> src/body_controller/mod.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn set_compliance(&mut self, compliance: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_speed`
[INFO] [stderr]    --> src/body_controller/mod.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn set_speed(&mut self, speed: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_position`
[INFO] [stderr]    --> src/body_controller/mod.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn read_position(&mut self) -> BodyMotorPositions {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetCompliance`
[INFO] [stderr]   --> src/body_controller/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     SetCompliance(u8),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetSpeed`
[INFO] [stderr]   --> src/body_controller/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     SetSpeed(u16),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ReadPosition`
[INFO] [stderr]   --> src/body_controller/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ReadPosition,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buffered_command_sender`
[INFO] [stderr]   --> src/body_controller/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     buffered_command_sender: Sender<BufferedCommand>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position_receiver`
[INFO] [stderr]   --> src/body_controller/mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     position_receiver: Receiver<BodyMotorPositions>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_compliance`
[INFO] [stderr]   --> src/body_controller/mod.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn set_compliance(&mut self, compliance: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_speed`
[INFO] [stderr]    --> src/body_controller/mod.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn set_speed(&mut self, speed: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_position`
[INFO] [stderr]    --> src/body_controller/mod.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn read_position(&mut self) -> BodyMotorPositions {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] running `"docker" "inspect" "22c637042621133781acdd36d662d6b4bc7910e943b4507a7ed5cdf943ad16d4"`
[INFO] running `"docker" "rm" "-f" "22c637042621133781acdd36d662d6b4bc7910e943b4507a7ed5cdf943ad16d4"`
[INFO] [stdout] 22c637042621133781acdd36d662d6b4bc7910e943b4507a7ed5cdf943ad16d4