[INFO] fetching crate rocket_client 0.1.1...
[INFO] testing rocket_client-0.1.1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate rocket_client 0.1.1 into /workspace/builds/worker-2-tc2/source
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rocket_client 0.1.1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.3.5 (available: v0.11.10)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.29)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff8a46e5f9f561e35516bcde6256dd6339546834c53d9bd0ba31e0ffcf1b9521
[INFO] running `Command { std: "docker" "start" "-a" "ff8a46e5f9f561e35516bcde6256dd6339546834c53d9bd0ba31e0ffcf1b9521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff8a46e5f9f561e35516bcde6256dd6339546834c53d9bd0ba31e0ffcf1b9521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8a46e5f9f561e35516bcde6256dd6339546834c53d9bd0ba31e0ffcf1b9521", kill_on_drop: false }`
[INFO] [stdout] ff8a46e5f9f561e35516bcde6256dd6339546834c53d9bd0ba31e0ffcf1b9521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e3cc56f1a614b7ce2ad1065db4208c3fee054ea1655c9f092dd2203bb8450cd
[INFO] running `Command { std: "docker" "start" "-a" "1e3cc56f1a614b7ce2ad1065db4208c3fee054ea1655c9f092dd2203bb8450cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling rocket_sync v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[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)]` (part of `#[warn(unused)]`) 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]    = 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: unnecessary transmute
[INFO] [stdout]   --> src/utils.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let number: f32 = unsafe { mem::transmute(net_to_u32(bytes)) };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let number: f32 = unsafe { mem::transmute(net_to_u32(bytes)) };
[INFO] [stdout] 45 +     let number: f32 = unsafe { f32::from_bits(net_to_u32(bytes)) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/utils.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let number: u32 = unsafe { mem::transmute(n) };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 75 -     let number: u32 = unsafe { mem::transmute(n) };
[INFO] [stdout] 75 +     let number: u32 = unsafe { f32::to_bits(n) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "1e3cc56f1a614b7ce2ad1065db4208c3fee054ea1655c9f092dd2203bb8450cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3cc56f1a614b7ce2ad1065db4208c3fee054ea1655c9f092dd2203bb8450cd", kill_on_drop: false }`
[INFO] [stdout] 1e3cc56f1a614b7ce2ad1065db4208c3fee054ea1655c9f092dd2203bb8450cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b52115fb173702b78c30ef524b6dab299ba675badf804e05f80c60cbd9ef76f
[INFO] running `Command { std: "docker" "start" "-a" "9b52115fb173702b78c30ef524b6dab299ba675badf804e05f80c60cbd9ef76f", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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]    = 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: unnecessary transmute
[INFO] [stdout]   --> src/utils.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let number: f32 = unsafe { mem::transmute(net_to_u32(bytes)) };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let number: f32 = unsafe { mem::transmute(net_to_u32(bytes)) };
[INFO] [stdout] 45 +     let number: f32 = unsafe { f32::from_bits(net_to_u32(bytes)) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/utils.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let number: u32 = unsafe { mem::transmute(n) };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 75 -     let number: u32 = unsafe { mem::transmute(n) };
[INFO] [stdout] 75 +     let number: u32 = unsafe { f32::to_bits(n) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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]    = 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: unnecessary transmute
[INFO] [stdout]   --> src/utils.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let number: f32 = unsafe { mem::transmute(net_to_u32(bytes)) };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let number: f32 = unsafe { mem::transmute(net_to_u32(bytes)) };
[INFO] [stdout] 45 +     let number: f32 = unsafe { f32::from_bits(net_to_u32(bytes)) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/utils.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let number: u32 = unsafe { mem::transmute(n) };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 75 -     let number: u32 = unsafe { mem::transmute(n) };
[INFO] [stdout] 75 +     let number: u32 = unsafe { f32::to_bits(n) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "9b52115fb173702b78c30ef524b6dab299ba675badf804e05f80c60cbd9ef76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b52115fb173702b78c30ef524b6dab299ba675badf804e05f80c60cbd9ef76f", kill_on_drop: false }`
[INFO] [stdout] 9b52115fb173702b78c30ef524b6dab299ba675badf804e05f80c60cbd9ef76f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65964d9809dbaf960a1ba85634111aa68de80dde5896ba16586706521b08ca9f
[INFO] running `Command { std: "docker" "start" "-a" "65964d9809dbaf960a1ba85634111aa68de80dde5896ba16586706521b08ca9f", 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)]` (part of `#[warn(unused)]`) 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]    = 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn handle_pause_cmd(&mut self, device: &mut SyncDevice) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                                                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]   --> src/utils.rs:45:32
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let number: f32 = unsafe { mem::transmute(net_to_u32(bytes)) };
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] help: replace this with
[INFO] [stderr]    |
[INFO] [stderr] 45 -     let number: f32 = unsafe { mem::transmute(net_to_u32(bytes)) };
[INFO] [stderr] 45 +     let number: f32 = unsafe { f32::from_bits(net_to_u32(bytes)) };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]   --> src/utils.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let number: u32 = unsafe { mem::transmute(n) };
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: replace this with
[INFO] [stderr]    |
[INFO] [stderr] 75 -     let number: u32 = unsafe { mem::transmute(n) };
[INFO] [stderr] 75 +     let number: u32 = unsafe { f32::to_bits(n) };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rocket_client` (lib) generated 11 warnings (run `cargo fix --lib -p rocket_client` to apply 11 suggestions)
[INFO] [stderr] warning: `rocket_client` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rocket_client-a2749547be58d3e9)
[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] [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)]` (part of `#[warn(unused)]`) 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] [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] running `Command { std: "docker" "inspect" "65964d9809dbaf960a1ba85634111aa68de80dde5896ba16586706521b08ca9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65964d9809dbaf960a1ba85634111aa68de80dde5896ba16586706521b08ca9f", kill_on_drop: false }`
[INFO] [stdout] 65964d9809dbaf960a1ba85634111aa68de80dde5896ba16586706521b08ca9f
