[INFO] fetching crate swerve_vehicle_descriptors 0.1.0...
[INFO] checking swerve_vehicle_descriptors-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate swerve_vehicle_descriptors 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate swerve_vehicle_descriptors 0.1.0
[INFO] finished tweaking crates.io crate swerve_vehicle_descriptors 0.1.0
[INFO] tweaked toml for crates.io crate swerve_vehicle_descriptors 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swerve_vehicle_descriptors 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] cbb17ff406059617569606a3596e0ac93a567bd892f80a8192bd181655be1713
[INFO] running `Command { std: "docker" "start" "-a" "cbb17ff406059617569606a3596e0ac93a567bd892f80a8192bd181655be1713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbb17ff406059617569606a3596e0ac93a567bd892f80a8192bd181655be1713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb17ff406059617569606a3596e0ac93a567bd892f80a8192bd181655be1713", kill_on_drop: false }`
[INFO] [stdout] cbb17ff406059617569606a3596e0ac93a567bd892f80a8192bd181655be1713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebcdf4acb378d5b26148d169a4a11548df7c3158988a7a6d0428535a4a827dc0
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[INFO] [stderr]     Checking swerve_vehicle_descriptors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `background_runner` is never read
[INFO] [stdout]    --> src/change_notification_processing.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct HardwareChangeProcessor {
[INFO] [stdout]     |            ----------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 107 |     background_runner: JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `elements` is never used
[INFO] [stdout]    --> src/model_elements/model.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 96  | impl KinematicTree {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 284 |     fn elements(&self) -> impl Iterator<Item = &ReferenceFrame> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `background_runner` is never read
[INFO] [stdout]    --> src/change_notification_processing.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct HardwareChangeProcessor {
[INFO] [stdout]     |            ----------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 107 |     background_runner: JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LeftRear` is never constructed
[INFO] [stdout]     --> src/model_elements/model_tests.rs:1121:5
[INFO] [stdout]      |
[INFO] [stdout] 1119 | enum DriveModulePosition {
[INFO] [stdout]      |      ------------------- variant in this enum
[INFO] [stdout] 1120 |     LeftFront,
[INFO] [stdout] 1121 |     LeftRear,
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `DriveModulePosition` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sender` is never read
[INFO] [stdout]     --> src/model_elements/model_tests.rs:1146:5
[INFO] [stdout]      |
[INFO] [stdout] 1144 | struct MockHardwareActuator {
[INFO] [stdout]      |        -------------------- field in this struct
[INFO] [stdout] 1145 |     receiver: Receiver<(JointState, ActuatorAvailableRatesOfChange)>,
[INFO] [stdout] 1146 |     sender: Sender<(JointState, ActuatorAvailableRatesOfChange)>,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.41s
[INFO] running `Command { std: "docker" "inspect" "ebcdf4acb378d5b26148d169a4a11548df7c3158988a7a6d0428535a4a827dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebcdf4acb378d5b26148d169a4a11548df7c3158988a7a6d0428535a4a827dc0", kill_on_drop: false }`
[INFO] [stdout] ebcdf4acb378d5b26148d169a4a11548df7c3158988a7a6d0428535a4a827dc0