[INFO] fetching crate wifi_drone 0.0.3...
[INFO] testing wifi_drone-0.0.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate wifi_drone 0.0.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wifi_drone 0.0.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wifi_drone 0.0.3
[INFO] finished tweaking crates.io crate wifi_drone 0.0.3
[INFO] tweaked toml for crates.io crate wifi_drone 0.0.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a985ed82bd1bfc1c0ae32354eb4ab342ca184b5fefd39a5d6b7211569f18222
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a985ed82bd1bfc1c0ae32354eb4ab342ca184b5fefd39a5d6b7211569f18222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a985ed82bd1bfc1c0ae32354eb4ab342ca184b5fefd39a5d6b7211569f18222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a985ed82bd1bfc1c0ae32354eb4ab342ca184b5fefd39a5d6b7211569f18222", kill_on_drop: false }`
[INFO] [stdout] 5a985ed82bd1bfc1c0ae32354eb4ab342ca184b5fefd39a5d6b7211569f18222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a3afbe6aaeca2f3d4fa66f00c5b6738dfe2e2b676a5dfa0dc50a04280fcf055
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a3afbe6aaeca2f3d4fa66f00c5b6738dfe2e2b676a5dfa0dc50a04280fcf055", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wayland-scanner v0.8.7
[INFO] [stderr]    Compiling glutin v0.8.1
[INFO] [stderr]    Compiling wayland-sys v0.8.7
[INFO] [stderr]    Compiling wayland-client v0.8.7
[INFO] [stderr]    Compiling wayland-kbd v0.8.0
[INFO] [stderr]    Compiling wayland-window v0.5.0
[INFO] [stderr]    Compiling winit v0.6.4
[INFO] [stderr]    Compiling wifi_drone v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:72
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => panic!("Error connecting to handshake socket: {}", e.description()),
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:31:63
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(e) => panic!("Error writing {}: {}", index, e.description()),
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/constants.rs:42:67
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(e) => panic!("Couldn't parse {}: {}", data_str, e.description()),
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/constants.rs:46:67
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Err(e) => panic!("Couldn't parse {}: {}", data_str, e.description()),
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/gamepad.rs:17:74
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Err(e) => panic!("Error connecting to gamepad socket: {}", e.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/gamepad.rs:48:66
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Err(e) => panic!("Error writing gamepad data: {}", e.description()),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:18:76
[INFO] [stdout]    |
[INFO] [stdout] 18 |             Err(e) => panic!("Error connecting to heartbeat socket: {}", e.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:42:73
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 Err(e) => println!("Error on heartbeat socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:47:78
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 Err(e) => println!("Error writing heartbeat socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:52:78
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 Err(e) => println!("Error reading heartbeat socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:20:78
[INFO] [stdout]    |
[INFO] [stdout] 20 |             Err(e) => panic!("Couldn't connect to video input socket: {}", e.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:27:79
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(e) => panic!("Couldn't connect to video output socket: {}", e.description()),
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:49:65
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 Err(e) => panic!("Couldn't start ffplay: {}", e.description()),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:60:61
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Err(e) => panic!("Error writing video 2: {}", e.description()),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:68:75
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Err(e) => println!("Error on video input socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 Err(e) => println!("Error on video output socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:78:80
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 Err(e) => println!("Error reading video input socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:86:85
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     Err(e) => println!("Error writing video output socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.77s
[INFO] running `Command { std: "docker" "inspect" "0a3afbe6aaeca2f3d4fa66f00c5b6738dfe2e2b676a5dfa0dc50a04280fcf055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3afbe6aaeca2f3d4fa66f00c5b6738dfe2e2b676a5dfa0dc50a04280fcf055", kill_on_drop: false }`
[INFO] [stdout] 0a3afbe6aaeca2f3d4fa66f00c5b6738dfe2e2b676a5dfa0dc50a04280fcf055
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec1015e549d8e15564983ba2cf579506a03a80ec6c403c4154da69f6fce37143
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec1015e549d8e15564983ba2cf579506a03a80ec6c403c4154da69f6fce37143", kill_on_drop: false }`
[INFO] [stderr]    Compiling wifi_drone v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:72
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => panic!("Error connecting to handshake socket: {}", e.description()),
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:31:63
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(e) => panic!("Error writing {}: {}", index, e.description()),
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/constants.rs:42:67
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(e) => panic!("Couldn't parse {}: {}", data_str, e.description()),
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/constants.rs:46:67
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Err(e) => panic!("Couldn't parse {}: {}", data_str, e.description()),
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/gamepad.rs:17:74
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Err(e) => panic!("Error connecting to gamepad socket: {}", e.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/gamepad.rs:48:66
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Err(e) => panic!("Error writing gamepad data: {}", e.description()),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:18:76
[INFO] [stdout]    |
[INFO] [stdout] 18 |             Err(e) => panic!("Error connecting to heartbeat socket: {}", e.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:42:73
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 Err(e) => println!("Error on heartbeat socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:47:78
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 Err(e) => println!("Error writing heartbeat socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:52:78
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 Err(e) => println!("Error reading heartbeat socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:20:78
[INFO] [stdout]    |
[INFO] [stdout] 20 |             Err(e) => panic!("Couldn't connect to video input socket: {}", e.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:27:79
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(e) => panic!("Couldn't connect to video output socket: {}", e.description()),
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:49:65
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 Err(e) => panic!("Couldn't start ffplay: {}", e.description()),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:60:61
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Err(e) => panic!("Error writing video 2: {}", e.description()),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:68:75
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Err(e) => println!("Error on video input socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 Err(e) => println!("Error on video output socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:78:80
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 Err(e) => println!("Error reading video input socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:86:85
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     Err(e) => println!("Error writing video output socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:72
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => panic!("Error connecting to handshake socket: {}", e.description()),
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:31:63
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(e) => panic!("Error writing {}: {}", index, e.description()),
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/constants.rs:42:67
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(e) => panic!("Couldn't parse {}: {}", data_str, e.description()),
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/constants.rs:46:67
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Err(e) => panic!("Couldn't parse {}: {}", data_str, e.description()),
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/gamepad.rs:17:74
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Err(e) => panic!("Error connecting to gamepad socket: {}", e.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/gamepad.rs:48:66
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Err(e) => panic!("Error writing gamepad data: {}", e.description()),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:18:76
[INFO] [stdout]    |
[INFO] [stdout] 18 |             Err(e) => panic!("Error connecting to heartbeat socket: {}", e.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:42:73
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 Err(e) => println!("Error on heartbeat socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:47:78
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 Err(e) => println!("Error writing heartbeat socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/heartbeat.rs:52:78
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 Err(e) => println!("Error reading heartbeat socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:20:78
[INFO] [stdout]    |
[INFO] [stdout] 20 |             Err(e) => panic!("Couldn't connect to video input socket: {}", e.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:27:79
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(e) => panic!("Couldn't connect to video output socket: {}", e.description()),
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:49:65
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 Err(e) => panic!("Couldn't start ffplay: {}", e.description()),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:60:61
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Err(e) => panic!("Error writing video 2: {}", e.description()),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:68:75
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Err(e) => println!("Error on video input socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 Err(e) => println!("Error on video output socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:78:80
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 Err(e) => println!("Error reading video input socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/video.rs:86:85
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     Err(e) => println!("Error writing video output socket: {:?}", e.description()),
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "ec1015e549d8e15564983ba2cf579506a03a80ec6c403c4154da69f6fce37143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1015e549d8e15564983ba2cf579506a03a80ec6c403c4154da69f6fce37143", kill_on_drop: false }`
[INFO] [stdout] ec1015e549d8e15564983ba2cf579506a03a80ec6c403c4154da69f6fce37143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c344fdd0709e0b53e576685b7b57dcc89130979382d5faeda1c7fb5c15a6aeea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c344fdd0709e0b53e576685b7b57dcc89130979382d5faeda1c7fb5c15a6aeea", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:24:72
[INFO] [stderr]    |
[INFO] [stderr] 24 |         Err(e) => panic!("Error connecting to handshake socket: {}", e.description()),
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:31:63
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Err(e) => panic!("Error writing {}: {}", index, e.description()),
[INFO] [stderr]    |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/constants.rs:42:67
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Err(e) => panic!("Couldn't parse {}: {}", data_str, e.description()),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/constants.rs:46:67
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Err(e) => panic!("Couldn't parse {}: {}", data_str, e.description()),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/gamepad.rs:17:74
[INFO] [stderr]    |
[INFO] [stderr] 17 |             Err(e) => panic!("Error connecting to gamepad socket: {}", e.description()),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/gamepad.rs:48:66
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Err(e) => panic!("Error writing gamepad data: {}", e.description()),
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/heartbeat.rs:18:76
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Err(e) => panic!("Error connecting to heartbeat socket: {}", e.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/heartbeat.rs:42:73
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 Err(e) => println!("Error on heartbeat socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/heartbeat.rs:47:78
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 Err(e) => println!("Error writing heartbeat socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/heartbeat.rs:52:78
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 Err(e) => println!("Error reading heartbeat socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:20:78
[INFO] [stderr]    |
[INFO] [stderr] 20 |             Err(e) => panic!("Couldn't connect to video input socket: {}", e.description()),
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:27:79
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Err(e) => panic!("Couldn't connect to video output socket: {}", e.description()),
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:49:65
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 Err(e) => panic!("Couldn't start ffplay: {}", e.description()),
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:60:61
[INFO] [stderr]    |
[INFO] [stderr] 60 |             Err(e) => panic!("Error writing video 2: {}", e.description()),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:68:75
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 Err(e) => println!("Error on video input socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:73:76
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 Err(e) => println!("Error on video output socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:78:80
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 Err(e) => println!("Error reading video input socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:86:85
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     Err(e) => println!("Error writing video output socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:24:72
[INFO] [stderr]    |
[INFO] [stderr] 24 |         Err(e) => panic!("Error connecting to handshake socket: {}", e.description()),
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:31:63
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Err(e) => panic!("Error writing {}: {}", index, e.description()),
[INFO] [stderr]    |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/constants.rs:42:67
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Err(e) => panic!("Couldn't parse {}: {}", data_str, e.description()),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/constants.rs:46:67
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Err(e) => panic!("Couldn't parse {}: {}", data_str, e.description()),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/gamepad.rs:17:74
[INFO] [stderr]    |
[INFO] [stderr] 17 |             Err(e) => panic!("Error connecting to gamepad socket: {}", e.description()),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/gamepad.rs:48:66
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Err(e) => panic!("Error writing gamepad data: {}", e.description()),
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/heartbeat.rs:18:76
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Err(e) => panic!("Error connecting to heartbeat socket: {}", e.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/heartbeat.rs:42:73
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 Err(e) => println!("Error on heartbeat socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/heartbeat.rs:47:78
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 Err(e) => println!("Error writing heartbeat socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/heartbeat.rs:52:78
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 Err(e) => println!("Error reading heartbeat socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:20:78
[INFO] [stderr]    |
[INFO] [stderr] 20 |             Err(e) => panic!("Couldn't connect to video input socket: {}", e.description()),
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:27:79
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Err(e) => panic!("Couldn't connect to video output socket: {}", e.description()),
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:49:65
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 Err(e) => panic!("Couldn't start ffplay: {}", e.description()),
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:60:61
[INFO] [stderr]    |
[INFO] [stderr] 60 |             Err(e) => panic!("Error writing video 2: {}", e.description()),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:68:75
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 Err(e) => println!("Error on video input socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:73:76
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 Err(e) => println!("Error on video output socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:78:80
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 Err(e) => println!("Error reading video input socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/video.rs:86:85
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     Err(e) => println!("Error writing video output socket: {:?}", e.description()),
[INFO] [stderr]    |                                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wifi_drone-a0f3a9d0088b1b0b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test command::tests::test_throttle_up ... ok
[INFO] [stdout] test command::tests::test_throttle_down ... ok
[INFO] [stdout] test constants::tests::test_read_file_valid ... ok
[INFO] [stdout] test constants::tests::test_read_file_invalid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wifi_drone
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c344fdd0709e0b53e576685b7b57dcc89130979382d5faeda1c7fb5c15a6aeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c344fdd0709e0b53e576685b7b57dcc89130979382d5faeda1c7fb5c15a6aeea", kill_on_drop: false }`
[INFO] [stdout] c344fdd0709e0b53e576685b7b57dcc89130979382d5faeda1c7fb5c15a6aeea
