[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] building Alexander89/rust-tello against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexander89%2Frust-tello" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alexander89/rust-tello on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "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-3-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e900a49cb7e5addce3942b633b170169bacc06629b2e31dfb9a50fc7bb1e51a8
[INFO] running `Command { std: "docker" "start" "-a" "e900a49cb7e5addce3942b633b170169bacc06629b2e31dfb9a50fc7bb1e51a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e900a49cb7e5addce3942b633b170169bacc06629b2e31dfb9a50fc7bb1e51a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e900a49cb7e5addce3942b633b170169bacc06629b2e31dfb9a50fc7bb1e51a8", kill_on_drop: false }`
[INFO] [stdout] e900a49cb7e5addce3942b633b170169bacc06629b2e31dfb9a50fc7bb1e51a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 972e9f47e8ce8e5331dba9ecc7c3225fd3f26a39e4dc56203be16526bfbf439b
[INFO] running `Command { std: "docker" "start" "-a" "972e9f47e8ce8e5331dba9ecc7c3225fd3f26a39e4dc56203be16526bfbf439b", 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 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 syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[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 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 `level` is never read
[INFO] [stdout]    --> src/lib.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct VideoSettings {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub level: u8,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VideoSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `strength` and `disturb` are never read
[INFO] [stdout]    --> src/drone_state.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct WifiInfo {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 152 |     strength: u8,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `good` is never read
[INFO] [stdout]    --> src/drone_state.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct LightInfo {
[INFO] [stdout]     |            --------- field in this struct
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/command_mode.rs:67:60
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     match (param.get(0).and_then(|v| Some(v.clone())), param.get(1)) {
[INFO] [stdout]    |                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.51s
[INFO] running `Command { std: "docker" "inspect" "972e9f47e8ce8e5331dba9ecc7c3225fd3f26a39e4dc56203be16526bfbf439b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972e9f47e8ce8e5331dba9ecc7c3225fd3f26a39e4dc56203be16526bfbf439b", kill_on_drop: false }`
[INFO] [stdout] 972e9f47e8ce8e5331dba9ecc7c3225fd3f26a39e4dc56203be16526bfbf439b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b76587ca25406263ab27e24b35363412ae4e16d83ad9aeb7c7f077e5273f7f2
[INFO] running `Command { std: "docker" "start" "-a" "8b76587ca25406263ab27e24b35363412ae4e16d83ad9aeb7c7f077e5273f7f2", 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-channel v0.3.16
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]    --> src/lib.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct VideoSettings {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub level: u8,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VideoSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `strength` and `disturb` are never read
[INFO] [stdout]    --> src/drone_state.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct WifiInfo {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 152 |     strength: u8,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `good` is never read
[INFO] [stdout]    --> src/drone_state.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct LightInfo {
[INFO] [stdout]     |            --------- field in this struct
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/command_mode.rs:67:60
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     match (param.get(0).and_then(|v| Some(v.clone())), param.get(1)) {
[INFO] [stdout]    |                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[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 `Receiver<Option<CommandModeState>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tello` (example "command_mode") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `Receiver<Option<CommandModeState>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tello` (example "command_mode_keyboard") due to 1 previous error
[INFO] [stdout] warning: struct `MissingElement` is never constructed
[INFO] [stdout]   --> examples/fly/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct MissingElement(&'static str);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustclrlYlZ/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libtello-45c20ca4cc7624f6.rlib,libtokio-16bfd48c25532c6a.rlib,libnum_cpus-8973bab786154b74.rlib,libpin_project_lite-e686f189f307e605.rlib,libmio-32825420b4421128.rlib,liblog-44675ca6db48a312.rlib,libcfg_if-7e9efee4241be1ca.rlib,libchrono-d2117d2eade17fb6.rlib,libnum_integer-47c923552cc7f43a.rlib,libnum_traits-ff2ff8e2c0f2939f.rlib,libtime-de76d0ba7ba0f1e4.rlib,libbyteorder-379f547b04d51d02.rlib,libsdl2-95e95a2096278d0a.rlib,libsdl2_sys-6dd502bea537a7e2.rlib,libbitflags-ee4b6a8effb9c17a.rlib,liblazy_static-2bb390fee0230a38.rlib,liblibc-a1c7022be9227b71.rlib}" "/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-d6f1d924b2f4233e.rlib,libpanic_unwind-00eb06e39850f679.rlib,libobject-d0382f11baa011b6.rlib,libmemchr-b7e2e2c1a7e4643d.rlib,libaddr2line-30ced7f1999cfa29.rlib,libgimli-3ee7e14c58e31ebd.rlib,librustc_demangle-a4f649bba77ffcc5.rlib,libstd_detect-c89a3ce7ad7c3dbd.rlib,libhashbrown-e1ce1d3d110c6707.rlib,librustc_std_workspace_alloc-e0604fecbf0f39dc.rlib,libminiz_oxide-0a9c6172f04822cc.rlib,libadler2-14a33f7117abcee7.rlib,libunwind-24c16adbe5e57356.rlib,libcfg_if-d2688d4a5c8e415b.rlib,liblibc-8ff7ba6d97853f27.rlib,liballoc-5c001d095eb077ec.rlib,librustc_std_workspace_core-395a38b8e0851c9b.rlib,libcore-d453bab70303062c.rlib,libcompiler_builtins-dd545221bb4f4734.rlib}" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/fly-6b4b2d1b9a812845" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcrkhvIf/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libtello-45c20ca4cc7624f6.rlib,libtokio-16bfd48c25532c6a.rlib,libnum_cpus-8973bab786154b74.rlib,libpin_project_lite-e686f189f307e605.rlib,libmio-32825420b4421128.rlib,libchrono-d2117d2eade17fb6.rlib,libnum_integer-47c923552cc7f43a.rlib,libnum_traits-ff2ff8e2c0f2939f.rlib,libtime-de76d0ba7ba0f1e4.rlib,libbyteorder-379f547b04d51d02.rlib,libgilrs-d38363d3cf8765ab.rlib,libgilrs_core-22c24024dff13211.rlib,liblog-44675ca6db48a312.rlib,libuuid-e2c5650602083571.rlib,libvec_map-ecbce826993378bd.rlib,libnix-963637e9939607fb.rlib,libvoid-c8c62e9ffd6f4978.rlib,libcfg_if-7e9efee4241be1ca.rlib,liblibudev_sys-01ee61cbcebd6703.rlib,libfnv-2d77ec4f6f971b24.rlib,libsdl2-95e95a2096278d0a.rlib,libsdl2_sys-6dd502bea537a7e2.rlib,libbitflags-ee4b6a8effb9c17a.rlib,liblazy_static-2bb390fee0230a38.rlib,liblibc-a1c7022be9227b71.rlib}" "/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-d6f1d924b2f4233e.rlib,libpanic_unwind-00eb06e39850f679.rlib,libobject-d0382f11baa011b6.rlib,libmemchr-b7e2e2c1a7e4643d.rlib,libaddr2line-30ced7f1999cfa29.rlib,libgimli-3ee7e14c58e31ebd.rlib,librustc_demangle-a4f649bba77ffcc5.rlib,libstd_detect-c89a3ce7ad7c3dbd.rlib,libhashbrown-e1ce1d3d110c6707.rlib,librustc_std_workspace_alloc-e0604fecbf0f39dc.rlib,libminiz_oxide-0a9c6172f04822cc.rlib,libadler2-14a33f7117abcee7.rlib,libunwind-24c16adbe5e57356.rlib,libcfg_if-d2688d4a5c8e415b.rlib,liblibc-8ff7ba6d97853f27.rlib,liballoc-5c001d095eb077ec.rlib,librustc_std_workspace_core-395a38b8e0851c9b.rlib,libcore-d453bab70303062c.rlib,libcompiler_builtins-dd545221bb4f4734.rlib}" "-Wl,-Bdynamic" "-ludev" "-lSDL2" "-lSDL2_ttf" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/fly_gamepad-70a9bae3d86f97c7" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tello` (example "fly") due to 1 previous error; 1 warning emitted
[INFO] [stderr] error: could not compile `tello` (example "fly_gamepad") due to 1 previous error
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]    --> src/lib.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct VideoSettings {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub level: u8,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VideoSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `strength` and `disturb` are never read
[INFO] [stdout]    --> src/drone_state.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct WifiInfo {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 152 |     strength: u8,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `good` is never read
[INFO] [stdout]    --> src/drone_state.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct LightInfo {
[INFO] [stdout]     |            --------- field in this struct
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/command_mode.rs:67:60
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     match (param.get(0).and_then(|v| Some(v.clone())), param.get(1)) {
[INFO] [stdout]    |                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b76587ca25406263ab27e24b35363412ae4e16d83ad9aeb7c7f077e5273f7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b76587ca25406263ab27e24b35363412ae4e16d83ad9aeb7c7f077e5273f7f2", kill_on_drop: false }`
[INFO] [stdout] 8b76587ca25406263ab27e24b35363412ae4e16d83ad9aeb7c7f077e5273f7f2
