[INFO] fetching crate rocket_client 0.1.1...
[INFO] testing rocket_client-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rocket_client 0.1.1 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate rocket_client 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rocket_client 0.1.1
[INFO] finished tweaking crates.io crate rocket_client 0.1.1
[INFO] tweaked toml for crates.io crate rocket_client 0.1.1 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocket_sync v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0022841fe9e59a32c1ca4287966bfc79452aff82f0a06f39631972113f4135a
[INFO] running `Command { std: "docker" "start" "-a" "f0022841fe9e59a32c1ca4287966bfc79452aff82f0a06f39631972113f4135a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0022841fe9e59a32c1ca4287966bfc79452aff82f0a06f39631972113f4135a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0022841fe9e59a32c1ca4287966bfc79452aff82f0a06f39631972113f4135a", kill_on_drop: false }`
[INFO] [stdout] f0022841fe9e59a32c1ca4287966bfc79452aff82f0a06f39631972113f4135a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e113e6fcb5b7abc4ca90f45bf8f6e111942254708d5a975a37e5605982f072e
[INFO] running `Command { std: "docker" "start" "-a" "7e113e6fcb5b7abc4ca90f45bf8f6e111942254708d5a975a37e5605982f072e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling rocket_sync v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling rocket_client v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/lib.rs:304:28
[INFO] [stdout]     |
[INFO] [stdout] 304 |         device.is_paused = { buf[0] == 1 };
[INFO] [stdout]     |                            ^^           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 304 -         device.is_paused = { buf[0] == 1 };
[INFO] [stdout] 304 +         device.is_paused = buf[0] == 1;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:57
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(address: &str) -> Result<SyncClient, Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     pub fn new(address: &str) -> Result<SyncClient, Box<Error>> {
[INFO] [stdout] 39 +     pub fn new(address: &str) -> Result<SyncClient, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:89:79
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<Error>> {
[INFO] [stdout] 89 +     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:71
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 160 -     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 160 +     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:173:85
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 -     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<Error>> {
[INFO] [stdout] 173 +     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:196:85
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 -     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 196 +     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:241:85
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 241 -     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 241 +     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:273:85
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 -     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 273 +     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:293:83
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 293 -     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 293 +     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "7e113e6fcb5b7abc4ca90f45bf8f6e111942254708d5a975a37e5605982f072e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e113e6fcb5b7abc4ca90f45bf8f6e111942254708d5a975a37e5605982f072e", kill_on_drop: false }`
[INFO] [stdout] 7e113e6fcb5b7abc4ca90f45bf8f6e111942254708d5a975a37e5605982f072e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a270a4637e8e1a066d27be5085c2acbddbd4fb2ce44d4abf9bebfe882a2dc08
[INFO] running `Command { std: "docker" "start" "-a" "3a270a4637e8e1a066d27be5085c2acbddbd4fb2ce44d4abf9bebfe882a2dc08", kill_on_drop: false }`
[INFO] [stderr]    Compiling rocket_client v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/lib.rs:304:28
[INFO] [stdout]     |
[INFO] [stdout] 304 |         device.is_paused = { buf[0] == 1 };
[INFO] [stdout]     |                            ^^           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 304 -         device.is_paused = { buf[0] == 1 };
[INFO] [stdout] 304 +         device.is_paused = buf[0] == 1;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:57
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(address: &str) -> Result<SyncClient, Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     pub fn new(address: &str) -> Result<SyncClient, Box<Error>> {
[INFO] [stdout] 39 +     pub fn new(address: &str) -> Result<SyncClient, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:89:79
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<Error>> {
[INFO] [stdout] 89 +     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:71
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 160 -     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 160 +     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:173:85
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 -     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<Error>> {
[INFO] [stdout] 173 +     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:196:85
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 -     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 196 +     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:241:85
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 241 -     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 241 +     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:273:85
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 -     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 273 +     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:293:83
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 293 -     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 293 +     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/lib.rs:304:28
[INFO] [stdout]     |
[INFO] [stdout] 304 |         device.is_paused = { buf[0] == 1 };
[INFO] [stdout]     |                            ^^           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 304 -         device.is_paused = { buf[0] == 1 };
[INFO] [stdout] 304 +         device.is_paused = buf[0] == 1;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:57
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(address: &str) -> Result<SyncClient, Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     pub fn new(address: &str) -> Result<SyncClient, Box<Error>> {
[INFO] [stdout] 39 +     pub fn new(address: &str) -> Result<SyncClient, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:89:79
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<Error>> {
[INFO] [stdout] 89 +     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:71
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 160 -     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 160 +     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:173:85
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 173 -     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<Error>> {
[INFO] [stdout] 173 +     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:196:85
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 -     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 196 +     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:241:85
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 241 -     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 241 +     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:273:85
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 273 -     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 273 +     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:293:83
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 293 -     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stdout] 293 +     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "3a270a4637e8e1a066d27be5085c2acbddbd4fb2ce44d4abf9bebfe882a2dc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a270a4637e8e1a066d27be5085c2acbddbd4fb2ce44d4abf9bebfe882a2dc08", kill_on_drop: false }`
[INFO] [stdout] 3a270a4637e8e1a066d27be5085c2acbddbd4fb2ce44d4abf9bebfe882a2dc08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f67811cddfd58113dcd2acd4f96dd7c4f46a38751212f5da519444c9f95c5b9
[INFO] running `Command { std: "docker" "start" "-a" "0f67811cddfd58113dcd2acd4f96dd7c4f46a38751212f5da519444c9f95c5b9", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/lib.rs:304:28
[INFO] [stderr]     |
[INFO] [stderr] 304 |         device.is_paused = { buf[0] == 1 };
[INFO] [stderr]     |                            ^^           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 304 -         device.is_paused = { buf[0] == 1 };
[INFO] [stderr] 304 +         device.is_paused = buf[0] == 1;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:57
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn new(address: &str) -> Result<SyncClient, Box<Error>> {
[INFO] [stderr]    |                                                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 39 -     pub fn new(address: &str) -> Result<SyncClient, Box<Error>> {
[INFO] [stderr] 39 +     pub fn new(address: &str) -> Result<SyncClient, Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:79
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 89 -     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<Error>> {
[INFO] [stderr] 89 +     pub fn update(&mut self, mut device: &mut SyncDevice) -> Result<bool, Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:160:71
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 160 -     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stderr] 160 +     pub fn send_row(&mut self, device: &SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:173:85
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 173 -     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<Error>> {
[INFO] [stderr] 173 +     pub fn send_track_names(&mut self, track_names: &Vec<String>) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:196:85
[INFO] [stderr]     |
[INFO] [stderr] 196 |     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 196 -     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stderr] 196 +     pub fn handle_set_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:241:85
[INFO] [stderr]     |
[INFO] [stderr] 241 |     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 241 -     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stderr] 241 +     pub fn handle_del_key_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:273:85
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 273 -     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stderr] 273 +     pub fn handle_set_row_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:293:83
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 293 -     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<Error>> {
[INFO] [stderr] 293 +     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rocket_client` (lib) generated 9 warnings
[INFO] [stderr] warning: `rocket_client` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rocket_client-1c5b5fd24d96a715)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rocket_client
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:304:28
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 304 |         device.is_paused = { buf[0] == 1 };
[INFO] [stdout] 
[INFO] [stderr]     |                            ^^           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 304 -         device.is_paused = { buf[0] == 1 };
[INFO] [stderr] 304 +         device.is_paused = buf[0] == 1;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "0f67811cddfd58113dcd2acd4f96dd7c4f46a38751212f5da519444c9f95c5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f67811cddfd58113dcd2acd4f96dd7c4f46a38751212f5da519444c9f95c5b9", kill_on_drop: false }`
[INFO] [stdout] 0f67811cddfd58113dcd2acd4f96dd7c4f46a38751212f5da519444c9f95c5b9