[INFO] cloning repository https://github.com/MarimeGui/smf_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarimeGui/smf_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarimeGui%2Fsmf_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarimeGui%2Fsmf_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd6124554f3065e92c2da9c25568799fd7c50927
[INFO] checking MarimeGui/smf_lib against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarimeGui%2Fsmf_lib" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarimeGui/smf_lib on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarimeGui/smf_lib
[INFO] finished tweaking git repo https://github.com/MarimeGui/smf_lib
[INFO] tweaked toml for git repo https://github.com/MarimeGui/smf_lib written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MarimeGui/smf_lib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69174d8278b0173b3f8dfd82532e7777faa5a7b40f71409e6577783471a490fb
[INFO] running `Command { std: "docker" "start" "-a" "69174d8278b0173b3f8dfd82532e7777faa5a7b40f71409e6577783471a490fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69174d8278b0173b3f8dfd82532e7777faa5a7b40f71409e6577783471a490fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69174d8278b0173b3f8dfd82532e7777faa5a7b40f71409e6577783471a490fb", kill_on_drop: false }`
[INFO] [stdout] 69174d8278b0173b3f8dfd82532e7777faa5a7b40f71409e6577783471a490fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cbfbd239d1c37627b5e5e4b068f7515f847211b100a6cb8608f5c1e29def523
[INFO] running `Command { std: "docker" "start" "-a" "4cbfbd239d1c37627b5e5e4b068f7515f847211b100a6cb8608f5c1e29def523", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking ez_io v0.1.0 (https://github.com/MarimeGui/ez_io#d2a48131)
[INFO] [stderr]     Checking smf_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn read_vlv(&mut self) -> Result<VLV, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn read_vlv(&mut self) -> Result<VLV, 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:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn read_vlv(&mut self) -> Result<VLV, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn read_vlv(&mut self) -> Result<VLV, Box<dyn Error>> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hi
[INFO] [stdout]   --> src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait VLVRead: Read {
[INFO] [stdout]    | ----------------------- built-in `dyn VLVRead` implementation for this trait
[INFO] [stdout] ...
[INFO] [stdout] 53 | impl<R: Read + ?Sized> VLVRead for R {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overlaps with this blanket impl
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[forbid(dyn_overlap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hi
[INFO] [stdout]   --> src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait VLVRead: Read {
[INFO] [stdout]    | ----------------------- built-in `dyn VLVRead` implementation for this trait
[INFO] [stdout] ...
[INFO] [stdout] 53 | impl<R: Read + ?Sized> VLVRead for R {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overlaps with this blanket impl
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[forbid(dyn_overlap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/mod.rs:21:68
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMF, Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMF, Box<dyn Error>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/header/mod.rs:43:79
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMFHeaderChunk, Box<Error>> {
[INFO] [stdout]    |                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMFHeaderChunk, Box<dyn Error>> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/mod.rs:22:78
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMFTrackChunk, Box<Error>> {
[INFO] [stdout]    |                                                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMFTrackChunk, Box<dyn Error>> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/mod.rs:18:101
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new<R: Read + Seek>(reader: &mut R, last_event: Option<Event>) -> Result<TrackEvent, Box<Error>> {
[INFO] [stdout]    |                                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new<R: Read + Seek>(reader: &mut R, last_event: Option<Event>) -> Result<TrackEvent, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/mod.rs:21:68
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMF, Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMF, Box<dyn Error>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/header/mod.rs:43:79
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMFHeaderChunk, Box<Error>> {
[INFO] [stdout]    |                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMFHeaderChunk, Box<dyn Error>> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/mod.rs:66:115
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn read<R: Read>(reader: &mut R, code_byte: u8, running_status_byte: Option<u8>) -> Result<MidiEvent, Box<Error>> {
[INFO] [stdout]    |                                                                                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn read<R: Read>(reader: &mut R, code_byte: u8, running_status_byte: Option<u8>) -> Result<MidiEvent, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/mod.rs:130:83
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn read<R: Read>(reader: &mut R, code_byte: u8) -> Result<SysexEvent, Box<Error>> {
[INFO] [stdout]     |                                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn read<R: Read>(reader: &mut R, code_byte: u8) -> Result<SysexEvent, Box<dyn Error>> {
[INFO] [stdout]     |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/mod.rs:22:78
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMFTrackChunk, Box<Error>> {
[INFO] [stdout]    |                                                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<SMFTrackChunk, Box<dyn Error>> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/mod.rs:180:74
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<MetaEvent, Box<Error>> {
[INFO] [stdout]     |                                                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<MetaEvent, Box<dyn Error>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/mod.rs:276:96
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn new<R: Read + Seek>(reader: &mut R, last_event: Option<Event>) -> Result<Event, Box<Error>> {
[INFO] [stdout]     |                                                                                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn new<R: Read + Seek>(reader: &mut R, last_event: Option<Event>) -> Result<Event, Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/mod.rs:18:101
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new<R: Read + Seek>(reader: &mut R, last_event: Option<Event>) -> Result<TrackEvent, Box<Error>> {
[INFO] [stdout]    |                                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new<R: Read + Seek>(reader: &mut R, last_event: Option<Event>) -> Result<TrackEvent, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/midi.rs:14:101
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<NoteChange, Box<Error>> {
[INFO] [stdout]    |                                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<NoteChange, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/midi.rs:35:112
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<PolyphonicKeyPressure, Box<Error>> {
[INFO] [stdout]    |                                                                                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<PolyphonicKeyPressure, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/midi.rs:56:107
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ControllerChange, Box<Error>> {
[INFO] [stdout]    |                                                                                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ControllerChange, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/midi.rs:76:104
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ProgramChange, Box<Error>> {
[INFO] [stdout]    |                                                                                                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ProgramChange, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/midi.rs:94:109
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ChannelKeyPressure, Box<Error>> {
[INFO] [stdout]    |                                                                                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ChannelKeyPressure, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/mod.rs:66:115
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn read<R: Read>(reader: &mut R, code_byte: u8, running_status_byte: Option<u8>) -> Result<MidiEvent, Box<Error>> {
[INFO] [stdout]    |                                                                                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn read<R: Read>(reader: &mut R, code_byte: u8, running_status_byte: Option<u8>) -> Result<MidiEvent, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/midi.rs:112:100
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<PitchBend, Box<Error>> {
[INFO] [stdout]     |                                                                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<PitchBend, Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/mod.rs:130:83
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn read<R: Read>(reader: &mut R, code_byte: u8) -> Result<SysexEvent, Box<Error>> {
[INFO] [stdout]     |                                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn read<R: Read>(reader: &mut R, code_byte: u8) -> Result<SysexEvent, Box<dyn Error>> {
[INFO] [stdout]     |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/sysex.rs:12:63
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn read<R: Read>(reader: &mut R) -> Result<Sysex, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn read<R: Read>(reader: &mut R) -> Result<Sysex, Box<dyn Error>> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:13:72
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn read<R: Read>(reader: &mut R) -> Result<SequenceNumber, Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn read<R: Read>(reader: &mut R) -> Result<SequenceNumber, Box<dyn Error>> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/mod.rs:180:74
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<MetaEvent, Box<Error>> {
[INFO] [stdout]     |                                                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<MetaEvent, Box<dyn Error>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/mod.rs:276:96
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn new<R: Read + Seek>(reader: &mut R, last_event: Option<Event>) -> Result<Event, Box<Error>> {
[INFO] [stdout]     |                                                                                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn new<R: Read + Seek>(reader: &mut R, last_event: Option<Event>) -> Result<Event, Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/midi.rs:14:101
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<NoteChange, Box<Error>> {
[INFO] [stdout]    |                                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<NoteChange, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/midi.rs:35:112
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<PolyphonicKeyPressure, Box<Error>> {
[INFO] [stdout]    |                                                                                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<PolyphonicKeyPressure, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/midi.rs:56:107
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ControllerChange, Box<Error>> {
[INFO] [stdout]    |                                                                                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ControllerChange, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/midi.rs:76:104
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ProgramChange, Box<Error>> {
[INFO] [stdout]    |                                                                                                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ProgramChange, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/midi.rs:94:109
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ChannelKeyPressure, Box<Error>> {
[INFO] [stdout]    |                                                                                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<ChannelKeyPressure, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/midi.rs:112:100
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<PitchBend, Box<Error>> {
[INFO] [stdout]     |                                                                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn read<R: Read>(reader: &mut R, running_status_byte: Option<u8>) -> Result<PitchBend, Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/sysex.rs:12:63
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn read<R: Read>(reader: &mut R) -> Result<Sysex, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn read<R: Read>(reader: &mut R) -> Result<Sysex, Box<dyn Error>> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:27:75
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn read<R: Read>(reader: &mut R, length: u32) -> Result<Text, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn read<R: Read>(reader: &mut R, length: u32) -> Result<Text, Box<dyn Error>> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:43:75
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn read<R: Read>(reader: &mut R) -> Result<MIDIChannelPrefix, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn read<R: Read>(reader: &mut R) -> Result<MIDIChannelPrefix, Box<dyn Error>> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:57:66
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn read<R: Read>(reader: &mut R) -> Result<MIDIPort, Box<Error>> {
[INFO] [stdout]    |                                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn read<R: Read>(reader: &mut R) -> Result<MIDIPort, Box<dyn Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:74:66
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn read<R: Read>(reader: &mut R) -> Result<SetTempo, Box<Error>> {
[INFO] [stdout]    |                                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn read<R: Read>(reader: &mut R) -> Result<SetTempo, Box<dyn Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:92:69
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn read<R: Read>(reader: &mut R) -> Result<SMTPEOffset, Box<Error>> {
[INFO] [stdout]    |                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn read<R: Read>(reader: &mut R) -> Result<SMTPEOffset, Box<dyn Error>> {
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/meta.rs:117:71
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn read<R: Read>(reader: &mut R) -> Result<TimeSignature, Box<Error>> {
[INFO] [stdout]     |                                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn read<R: Read>(reader: &mut R) -> Result<TimeSignature, Box<dyn Error>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/meta.rs:138:70
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn read<R: Read>(reader: &mut R) -> Result<KeySignature, Box<Error>> {
[INFO] [stdout]     |                                                                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn read<R: Read>(reader: &mut R) -> Result<KeySignature, Box<dyn Error>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/meta.rs:157:94
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn read<R: Read>(reader: &mut R, total_length: u32) -> Result<SequencerSpecific, Box<Error>> {
[INFO] [stdout]     |                                                                                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn read<R: Read>(reader: &mut R, total_length: u32) -> Result<SequencerSpecific, Box<dyn Error>> {
[INFO] [stdout]     |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:13:72
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn read<R: Read>(reader: &mut R) -> Result<SequenceNumber, Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn read<R: Read>(reader: &mut R) -> Result<SequenceNumber, Box<dyn Error>> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:27:75
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn read<R: Read>(reader: &mut R, length: u32) -> Result<Text, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn read<R: Read>(reader: &mut R, length: u32) -> Result<Text, Box<dyn Error>> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:43:75
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn read<R: Read>(reader: &mut R) -> Result<MIDIChannelPrefix, Box<Error>> {
[INFO] [stdout]    |                                                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn read<R: Read>(reader: &mut R) -> Result<MIDIChannelPrefix, Box<dyn Error>> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:57:66
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn read<R: Read>(reader: &mut R) -> Result<MIDIPort, Box<Error>> {
[INFO] [stdout]    |                                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn read<R: Read>(reader: &mut R) -> Result<MIDIPort, Box<dyn Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:74:66
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn read<R: Read>(reader: &mut R) -> Result<SetTempo, Box<Error>> {
[INFO] [stdout]    |                                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn read<R: Read>(reader: &mut R) -> Result<SetTempo, Box<dyn Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/track/data/event/meta.rs:92:69
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn read<R: Read>(reader: &mut R) -> Result<SMTPEOffset, Box<Error>> {
[INFO] [stdout]    |                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn read<R: Read>(reader: &mut R) -> Result<SMTPEOffset, Box<dyn Error>> {
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/meta.rs:117:71
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn read<R: Read>(reader: &mut R) -> Result<TimeSignature, Box<Error>> {
[INFO] [stdout]     |                                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn read<R: Read>(reader: &mut R) -> Result<TimeSignature, Box<dyn Error>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/meta.rs:138:70
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn read<R: Read>(reader: &mut R) -> Result<KeySignature, Box<Error>> {
[INFO] [stdout]     |                                                                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn read<R: Read>(reader: &mut R) -> Result<KeySignature, Box<dyn Error>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file/track/data/event/meta.rs:157:94
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn read<R: Read>(reader: &mut R, total_length: u32) -> Result<SequencerSpecific, Box<Error>> {
[INFO] [stdout]     |                                                                                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn read<R: Read>(reader: &mut R, total_length: u32) -> Result<SequencerSpecific, Box<dyn Error>> {
[INFO] [stdout]     |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/file/track/data/event/midi.rs:115:40
[INFO] [stdout]     |
[INFO] [stdout] 115 |             Some(x) => value = unsafe {transmute::<[u8; 2], u16>([x, reader.read_to_u8()?])},
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace this with: `u16::from_ne_bytes([x, reader.read_to_u8()?])`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/file/track/data/event/midi.rs:115:40
[INFO] [stdout]     |
[INFO] [stdout] 115 |             Some(x) => value = unsafe {transmute::<[u8; 2], u16>([x, reader.read_to_u8()?])},
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace this with: `u16::from_ne_bytes([x, reader.read_to_u8()?])`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smf_lib` (lib test) due to 1 previous error; 26 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `smf_lib` (lib) due to 1 previous error; 26 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4cbfbd239d1c37627b5e5e4b068f7515f847211b100a6cb8608f5c1e29def523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cbfbd239d1c37627b5e5e4b068f7515f847211b100a6cb8608f5c1e29def523", kill_on_drop: false }`
[INFO] [stdout] 4cbfbd239d1c37627b5e5e4b068f7515f847211b100a6cb8608f5c1e29def523