[INFO] cloning repository https://github.com/Alexander89/rust-tello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alexander89/rust-tello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexander89%2Frust-tello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexander89%2Frust-tello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93509c63be4008f57b7c8fb77e38efa52f465723
[INFO] testing Alexander89/rust-tello against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexander89%2Frust-tello" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alexander89/rust-tello on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Alexander89/rust-tello
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/Alexander89/rust-tello
[INFO] tweaked toml for git repo https://github.com/Alexander89/rust-tello written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/Alexander89/rust-tello already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62c314b93051ff9ba47fcb3a356764f97315df8549a194dd29e75126cc573673
[INFO] running `Command { std: "docker" "start" "-a" "62c314b93051ff9ba47fcb3a356764f97315df8549a194dd29e75126cc573673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62c314b93051ff9ba47fcb3a356764f97315df8549a194dd29e75126cc573673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c314b93051ff9ba47fcb3a356764f97315df8549a194dd29e75126cc573673", kill_on_drop: false }`
[INFO] [stdout] 62c314b93051ff9ba47fcb3a356764f97315df8549a194dd29e75126cc573673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0a2a17148cc821c21cf171d10e6ee5da3f7b4da5188796f2f3d588756b230f8
[INFO] running `Command { std: "docker" "start" "-a" "d0a2a17148cc821c21cf171d10e6ee5da3f7b4da5188796f2f3d588756b230f8", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling tello v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `level`
[INFO] [stdout]    --> src/lib.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub level: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `VideoSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:155:10
[INFO] [stdout]     |
[INFO] [stdout] 155 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strength`
[INFO] [stdout]    --> src/drone_state.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     strength: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `WifiInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/drone_state.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 150 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disturb`
[INFO] [stdout]    --> src/drone_state.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     disturb: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `WifiInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/drone_state.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 150 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `good`
[INFO] [stdout]    --> src/drone_state.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     good: bool,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `LightInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/drone_state.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "d0a2a17148cc821c21cf171d10e6ee5da3f7b4da5188796f2f3d588756b230f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a2a17148cc821c21cf171d10e6ee5da3f7b4da5188796f2f3d588756b230f8", kill_on_drop: false }`
[INFO] [stdout] d0a2a17148cc821c21cf171d10e6ee5da3f7b4da5188796f2f3d588756b230f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f51a9f16bae645d107f358588b3aa06b6cc628a3881e54ce9a18ac921dd961ee
[INFO] running `Command { std: "docker" "start" "-a" "f51a9f16bae645d107f358588b3aa06b6cc628a3881e54ce9a18ac921dd961ee", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stdout] warning: field is never read: `level`
[INFO] [stdout]    --> src/lib.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub level: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `VideoSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:155:10
[INFO] [stdout]     |
[INFO] [stdout] 155 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strength`
[INFO] [stdout]    --> src/drone_state.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     strength: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `WifiInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/drone_state.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 150 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disturb`
[INFO] [stdout]    --> src/drone_state.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     disturb: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `WifiInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/drone_state.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 150 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `good`
[INFO] [stdout]    --> src/drone_state.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     good: bool,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `LightInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/drone_state.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling gilrs-core v0.2.6
[INFO] [stderr]    Compiling gilrs v0.7.4
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling tello v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `recv_timeout` found for struct `tokio::sync::watch::Receiver` in the current scope
[INFO] [stdout]   --> examples/command_mode/main.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |         match state.recv_timeout(Duration::from_secs(5)) {
[INFO] [stdout]    |                     ^^^^^^^^^^^^ method not found in `tokio::sync::watch::Receiver<Option<CommandModeState>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `try_recv` found for struct `tokio::sync::watch::Receiver` in the current scope
[INFO] [stdout]   --> examples/command_mode_keyboard/main.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |             match state.try_recv() {
[INFO] [stdout]    |                         ^^^^^^^^ method not found in `tokio::sync::watch::Receiver<Option<CommandModeState>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tello` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field is never read: `level`
[INFO] [stdout]    --> src/lib.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub level: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `VideoSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:155:10
[INFO] [stdout]     |
[INFO] [stdout] 155 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strength`
[INFO] [stdout]    --> src/drone_state.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     strength: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `WifiInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/drone_state.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 150 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disturb`
[INFO] [stdout]    --> src/drone_state.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     disturb: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `WifiInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/drone_state.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 150 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `good`
[INFO] [stdout]    --> src/drone_state.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     good: bool,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `LightInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/drone_state.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.fly.11c13804-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9.dez2rmjnkiad4n1.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtello-89cdc4fd32ac31f7.rlib" "/opt/rustwide/target/debug/deps/libtokio-525a059f2ff9ceaf.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-d8b688d198ea5b38.rlib" "/opt/rustwide/target/debug/deps/libpin_project_lite-18d8f07136239349.rlib" "/opt/rustwide/target/debug/deps/libmio-8afe6e87e0a6fea6.rlib" "/opt/rustwide/target/debug/deps/liblog-eeccb13dbc84eef2.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-77abc38cc38d84d4.rlib" "/opt/rustwide/target/debug/deps/libchrono-7c43258d5fd5a388.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-4376cdd6348b9cdf.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-8b10ba3fd29a02ea.rlib" "/opt/rustwide/target/debug/deps/libtime-22c88d8d99ac3f6b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-0a75c9c26dc9dc2c.rlib" "/opt/rustwide/target/debug/deps/libsdl2-fdaa25d5c9d74360.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-8ea71fd05d64a763.rlib" "/opt/rustwide/target/debug/deps/libbitflags-80e93151c602d4a3.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b341606102c7008f.rlib" "/opt/rustwide/target/debug/deps/liblibc-ed73d8041db48a52.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-fc45202bb435016b.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f2400674c7513725.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-605c3a7d1a5d300d.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3d4fb4efa907e4e8.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-65207f030ab23308.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-76ca199cb0186109.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-1e3e01ed4f561dc1.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dd8dddcba7c13fee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-00b13d31c3420656.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e4c8460b81557bd5.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-600d46e5f0005455.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e4a08a2585b62d37.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fbc21ec567cb9dc7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-10b3fa8e49bd978f.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64625b73694ffce7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-fb6b78ac543a58ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1d1f2d1bec6f51b8.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-acf5ff6e9595d982.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/fly-1554bbebb5d15ed9" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.fly_gamepad.9fe380e6-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d.38zn4f8q7eojq4v0.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtello-89cdc4fd32ac31f7.rlib" "/opt/rustwide/target/debug/deps/libtokio-525a059f2ff9ceaf.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-d8b688d198ea5b38.rlib" "/opt/rustwide/target/debug/deps/libpin_project_lite-18d8f07136239349.rlib" "/opt/rustwide/target/debug/deps/libmio-8afe6e87e0a6fea6.rlib" "/opt/rustwide/target/debug/deps/libchrono-7c43258d5fd5a388.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-4376cdd6348b9cdf.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-8b10ba3fd29a02ea.rlib" "/opt/rustwide/target/debug/deps/libtime-22c88d8d99ac3f6b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-0a75c9c26dc9dc2c.rlib" "/opt/rustwide/target/debug/deps/libgilrs-f5f4cf90fc92ea4a.rlib" "/opt/rustwide/target/debug/deps/libgilrs_core-61c820d3d7d81318.rlib" "/opt/rustwide/target/debug/deps/liblog-eeccb13dbc84eef2.rlib" "/opt/rustwide/target/debug/deps/libuuid-10bdf5a7bc39fd00.rlib" "/opt/rustwide/target/debug/deps/libvec_map-f0a294901824d1b1.rlib" "/opt/rustwide/target/debug/deps/libnix-a5843e681533e602.rlib" "/opt/rustwide/target/debug/deps/libvoid-daee20f73a082eaf.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-77abc38cc38d84d4.rlib" "/opt/rustwide/target/debug/deps/liblibudev_sys-56666a33bc7f5c35.rlib" "/opt/rustwide/target/debug/deps/libfnv-6d1578eb67bc4123.rlib" "/opt/rustwide/target/debug/deps/libsdl2-fdaa25d5c9d74360.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-8ea71fd05d64a763.rlib" "/opt/rustwide/target/debug/deps/libbitflags-80e93151c602d4a3.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b341606102c7008f.rlib" "/opt/rustwide/target/debug/deps/liblibc-ed73d8041db48a52.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-fc45202bb435016b.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f2400674c7513725.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-605c3a7d1a5d300d.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3d4fb4efa907e4e8.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-65207f030ab23308.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-76ca199cb0186109.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-1e3e01ed4f561dc1.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dd8dddcba7c13fee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-00b13d31c3420656.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e4c8460b81557bd5.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-600d46e5f0005455.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e4a08a2585b62d37.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fbc21ec567cb9dc7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-10b3fa8e49bd978f.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64625b73694ffce7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-fb6b78ac543a58ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1d1f2d1bec6f51b8.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-acf5ff6e9595d982.rlib" "-Wl,-Bdynamic" "-ludev" "-lSDL2" "-lSDL2_ttf" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/fly_gamepad-4197f2799e41cc1d" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f51a9f16bae645d107f358588b3aa06b6cc628a3881e54ce9a18ac921dd961ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51a9f16bae645d107f358588b3aa06b6cc628a3881e54ce9a18ac921dd961ee", kill_on_drop: false }`
[INFO] [stdout] f51a9f16bae645d107f358588b3aa06b6cc628a3881e54ce9a18ac921dd961ee