[INFO] fetching crate easyjack 0.1.2...
[INFO] checking easyjack-0.1.2 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate easyjack 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate easyjack 0.1.2
[INFO] finished tweaking crates.io crate easyjack 0.1.2
[INFO] tweaked toml for crates.io crate easyjack 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate easyjack 0.1.2 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.7.0 (available: v2.10.0)
[INFO] [stderr]       Adding jack-sys v0.1.5 (available: v0.5.1)
[INFO] [stderr]       Adding nix v0.7.0 (available: v0.30.1)
[INFO] [stderr]       Adding num v0.1.43 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded libloading v0.4.3
[INFO] [stderr]   Downloaded nix v0.7.0
[INFO] [stderr]   Downloaded jack-sys v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da3ecf02d1d79652b2fe06bed0b6514ac91e9917e3f1859e7a01fa51adf1b0ce
[INFO] running `Command { std: "docker" "start" "-a" "da3ecf02d1d79652b2fe06bed0b6514ac91e9917e3f1859e7a01fa51adf1b0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da3ecf02d1d79652b2fe06bed0b6514ac91e9917e3f1859e7a01fa51adf1b0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3ecf02d1d79652b2fe06bed0b6514ac91e9917e3f1859e7a01fa51adf1b0ce", kill_on_drop: false }`
[INFO] [stdout] da3ecf02d1d79652b2fe06bed0b6514ac91e9917e3f1859e7a01fa51adf1b0ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06265c31bc5a233e4bc75c92cd23739d545bdac9c1353c50cc6b7226f5228ce4
[INFO] running `Command { std: "docker" "start" "-a" "06265c31bc5a233e4bc75c92cd23739d545bdac9c1353c50cc6b7226f5228ce4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling easyjack v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking num-complex v0.1.44
[INFO] [stderr]     Checking num-bigint v0.1.45
[INFO] [stderr]     Checking jack-sys v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking num-rational v0.1.43
[INFO] [stderr]     Checking num v0.1.43
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/types.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     bitflags! {
[INFO] [stdout] 24 | |     pub flags PortFlags: u32 {
[INFO] [stdout] 25 | |         /// if PortIsInput is set, then the port can receive data.
[INFO] [stdout] 26 | |         const PORT_IS_INPUT = jack_sys::JackPortIsInput,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/types.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     bitflags! {
[INFO] [stdout] 24 | |     pub flags PortFlags: u32 {
[INFO] [stdout] 25 | |         /// if PortIsInput is set, then the port can receive data.
[INFO] [stdout] 26 | |         const PORT_IS_INPUT = jack_sys::JackPortIsInput,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/types.rs:72:5
[INFO] [stdout]     |
[INFO] [stdout]  72 | /     bitflags! {
[INFO] [stdout]  73 | |     pub flags Status: u32 {
[INFO] [stdout]  74 | |         /// overall operation failed
[INFO] [stdout]  75 | |         const FAILURE = jack_sys::JackFailure,
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/types.rs:72:5
[INFO] [stdout]     |
[INFO] [stdout]  72 | /     bitflags! {
[INFO] [stdout]  73 | |     pub flags Status: u32 {
[INFO] [stdout]  74 | |         /// overall operation failed
[INFO] [stdout]  75 | |         const FAILURE = jack_sys::JackFailure,
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/types.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | /     bitflags! {
[INFO] [stdout] 127 | |     pub flags Options: u32 {
[INFO] [stdout] 128 | |         /// Null value to use when no option bits are needed.
[INFO] [stdout] 129 | |         const NULL_OPTIONS = jack_sys::JackNullOption,
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/types.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | /     bitflags! {
[INFO] [stdout] 127 | |     pub flags Options: u32 {
[INFO] [stdout] 128 | |         /// Null value to use when no option bits are needed.
[INFO] [stdout] 129 | |         const NULL_OPTIONS = jack_sys::JackNullOption,
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::*`
[INFO] [stdout]    --> src/client.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |     use types::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::*`
[INFO] [stdout]    --> src/client.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |     use std::ffi::*;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/types.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     bitflags! {
[INFO] [stdout] 24 | |     pub flags PortFlags: u32 {
[INFO] [stdout] 25 | |         /// if PortIsInput is set, then the port can receive data.
[INFO] [stdout] 26 | |         const PORT_IS_INPUT = jack_sys::JackPortIsInput,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/types.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     bitflags! {
[INFO] [stdout] 24 | |     pub flags PortFlags: u32 {
[INFO] [stdout] 25 | |         /// if PortIsInput is set, then the port can receive data.
[INFO] [stdout] 26 | |         const PORT_IS_INPUT = jack_sys::JackPortIsInput,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/types.rs:72:5
[INFO] [stdout]     |
[INFO] [stdout]  72 | /     bitflags! {
[INFO] [stdout]  73 | |     pub flags Status: u32 {
[INFO] [stdout]  74 | |         /// overall operation failed
[INFO] [stdout]  75 | |         const FAILURE = jack_sys::JackFailure,
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/types.rs:72:5
[INFO] [stdout]     |
[INFO] [stdout]  72 | /     bitflags! {
[INFO] [stdout]  73 | |     pub flags Status: u32 {
[INFO] [stdout]  74 | |         /// overall operation failed
[INFO] [stdout]  75 | |         const FAILURE = jack_sys::JackFailure,
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/types.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | /     bitflags! {
[INFO] [stdout] 127 | |     pub flags Options: u32 {
[INFO] [stdout] 128 | |         /// Null value to use when no option bits are needed.
[INFO] [stdout] 129 | |         const NULL_OPTIONS = jack_sys::JackNullOption,
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/types.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | /     bitflags! {
[INFO] [stdout] 127 | |     pub flags Options: u32 {
[INFO] [stdout] 128 | |         /// Null value to use when no option bits are needed.
[INFO] [stdout] 129 | |         const NULL_OPTIONS = jack_sys::JackNullOption,
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/midi.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut jstruct = mem::uninitialized();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     process_handler:  Option<Box<ProcessHandler + 'a>>,
[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/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] 19 |     process_handler:  Option<Box<dyn ProcessHandler + 'a>>,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |     metadata_handler: Option<Box<MetadataHandler + 'a>>
[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/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] 20 |     metadata_handler: Option<Box<dyn MetadataHandler + 'a>>
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/midi.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut jstruct = mem::uninitialized();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     process_handler:  Option<Box<ProcessHandler + 'a>>,
[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/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] 19 |     process_handler:  Option<Box<dyn ProcessHandler + 'a>>,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |     metadata_handler: Option<Box<MetadataHandler + 'a>>
[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/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] 20 |     metadata_handler: Option<Box<dyn MetadataHandler + 'a>>
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/midi.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn get(&self, index: usize) -> MidiEventRef {
[INFO] [stdout]    |                ^^^^^                   ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn get(&self, index: usize) -> MidiEventRef<'_> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/midi.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn get(&self, index: usize) -> MidiEventRef {
[INFO] [stdout]    |                ^^^^^                   ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn get(&self, index: usize) -> MidiEventRef<'_> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Struct__jack_midi_event` does not permit being left uninitialized
[INFO] [stdout]   --> src/midi.rs:37:31
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut jstruct = mem::uninitialized();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               this code causes undefined behavior when executed
[INFO] [stdout]    |                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Struct__jack_midi_event` does not permit being left uninitialized
[INFO] [stdout]   --> src/midi.rs:37:31
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut jstruct = mem::uninitialized();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               this code causes undefined behavior when executed
[INFO] [stdout]    |                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> examples/midi_sine.rs:17:46
[INFO] [stdout]    |
[INFO] [stdout] 17 | static RUNNING: atomic::AtomicBool = atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 17 - static RUNNING: atomic::AtomicBool = atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout] 17 + static RUNNING: atomic::AtomicBool = atomic::AtomicBool::new(false);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> examples/simple_client.rs:23:46
[INFO] [stdout]    |
[INFO] [stdout] 23 | static RUNNING: atomic::AtomicBool = atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 23 - static RUNNING: atomic::AtomicBool = atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout] 23 + static RUNNING: atomic::AtomicBool = atomic::AtomicBool::new(false);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> examples/connect.rs:177:26
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(f) => panic!(f.to_string())
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(f) => panic!("{}", f.to_string())
[INFO] [stdout]     |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> examples/thru.rs:10:46
[INFO] [stdout]    |
[INFO] [stdout] 10 | static RUNNING: atomic::AtomicBool = atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 10 - static RUNNING: atomic::AtomicBool = atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout] 10 + static RUNNING: atomic::AtomicBool = atomic::AtomicBool::new(false);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0, bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "06265c31bc5a233e4bc75c92cd23739d545bdac9c1353c50cc6b7226f5228ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06265c31bc5a233e4bc75c92cd23739d545bdac9c1353c50cc6b7226f5228ce4", kill_on_drop: false }`
[INFO] [stdout] 06265c31bc5a233e4bc75c92cd23739d545bdac9c1353c50cc6b7226f5228ce4
