[INFO] fetching crate easyjack 0.1.2...
[INFO] building easyjack-0.1.2 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate easyjack 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate easyjack 0.1.2 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jack-sys v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 602915a636ff068176521541908165685c2dd5a6c1102a33a8f1d43120a92f9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "602915a636ff068176521541908165685c2dd5a6c1102a33a8f1d43120a92f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "602915a636ff068176521541908165685c2dd5a6c1102a33a8f1d43120a92f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602915a636ff068176521541908165685c2dd5a6c1102a33a8f1d43120a92f9b", kill_on_drop: false }`
[INFO] [stdout] 602915a636ff068176521541908165685c2dd5a6c1102a33a8f1d43120a92f9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afa0adcc4563fbb46d5655d621ad893ecca456c2c7d6cbc9bf63db92f2f9a11b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "afa0adcc4563fbb46d5655d621ad893ecca456c2c7d6cbc9bf63db92f2f9a11b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling easyjack v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling jack-sys v0.1.5
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[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]    |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProcessHandler + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetadataHandler + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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] 56 | |     }
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (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] 56 | |     }
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (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] 117 | |     }
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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] 117 | |     }
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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] 148 | |     }
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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] 148 | |     }
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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:37:31
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut jstruct = mem::uninitialized();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `process_handler`
[INFO] [stdout]   --> src/client.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     process_handler:  Option<Box<ProcessHandler + 'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `metadata_handler`
[INFO] [stdout]   --> src/client.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     metadata_handler: Option<Box<MetadataHandler + 'a>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:229:46
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 CString::new(port1).unwrap().as_ptr(),
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:230:46
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 CString::new(port2).unwrap().as_ptr())
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:250:46
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 CString::new(port1).unwrap().as_ptr(),
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:251:46
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 CString::new(port2).unwrap().as_ptr())
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.85s
[INFO] running `Command { std: "docker" "inspect" "afa0adcc4563fbb46d5655d621ad893ecca456c2c7d6cbc9bf63db92f2f9a11b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa0adcc4563fbb46d5655d621ad893ecca456c2c7d6cbc9bf63db92f2f9a11b", kill_on_drop: false }`
[INFO] [stdout] afa0adcc4563fbb46d5655d621ad893ecca456c2c7d6cbc9bf63db92f2f9a11b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3205ff20ac88401572d2e34e378795222f902a5170950f4c160e228bfa4fc57
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d3205ff20ac88401572d2e34e378795222f902a5170950f4c160e228bfa4fc57", kill_on_drop: false }`
[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]    |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProcessHandler + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetadataHandler + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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] 56 | |     }
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (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] 56 | |     }
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (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] 117 | |     }
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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] 117 | |     }
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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] 148 | |     }
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling easyjack v0.1.2 (/opt/rustwide/workdir)
[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] 148 | |     }
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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:37:31
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut jstruct = mem::uninitialized();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `process_handler`
[INFO] [stdout]   --> src/client.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     process_handler:  Option<Box<ProcessHandler + 'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `metadata_handler`
[INFO] [stdout]   --> src/client.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     metadata_handler: Option<Box<MetadataHandler + 'a>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:229:46
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 CString::new(port1).unwrap().as_ptr(),
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:230:46
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 CString::new(port2).unwrap().as_ptr())
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:250:46
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 CString::new(port1).unwrap().as_ptr(),
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:251:46
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 CString::new(port2).unwrap().as_ptr())
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[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:17:38
[INFO] [stdout]    |
[INFO] [stdout] 17 | static RUNNING: atomic::AtomicBool = atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicBool::new(false)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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]    |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProcessHandler + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetadataHandler + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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)]` 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] 56 | |     }
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (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] 56 | |     }
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (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] 117 | |     }
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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] 117 | |     }
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 | static RUNNING: atomic::AtomicBool = atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicBool::new(false)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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] 148 | |     }
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 | static RUNNING: atomic::AtomicBool = atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicBool::new(false)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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] 148 | |     }
[INFO] [stdout] 149 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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:37:31
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut jstruct = mem::uninitialized();
[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: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(f) => std::panic::panic_any(f.to_string())
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `process_handler`
[INFO] [stdout]   --> src/client.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     process_handler:  Option<Box<ProcessHandler + 'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `metadata_handler`
[INFO] [stdout]   --> src/client.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     metadata_handler: Option<Box<MetadataHandler + 'a>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:229:46
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 CString::new(port1).unwrap().as_ptr(),
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:230:46
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 CString::new(port2).unwrap().as_ptr())
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:250:46
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 CString::new(port1).unwrap().as_ptr(),
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/client.rs:251:46
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 CString::new(port2).unwrap().as_ptr())
[INFO] [stdout]     |                 ---------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "d3205ff20ac88401572d2e34e378795222f902a5170950f4c160e228bfa4fc57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3205ff20ac88401572d2e34e378795222f902a5170950f4c160e228bfa4fc57", kill_on_drop: false }`
[INFO] [stdout] d3205ff20ac88401572d2e34e378795222f902a5170950f4c160e228bfa4fc57
