[INFO] fetching crate ruru 0.9.3...
[INFO] testing ruru-0.9.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ruru 0.9.3 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate ruru 0.9.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruru 0.9.3
[INFO] finished tweaking crates.io crate ruru 0.9.3
[INFO] tweaked toml for crates.io crate ruru 0.9.3 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57842998faf4123103eb627370a19185657cd3f9a0e7847f780bdd516ff1e2d9
[INFO] running `Command { std: "docker" "start" "-a" "57842998faf4123103eb627370a19185657cd3f9a0e7847f780bdd516ff1e2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57842998faf4123103eb627370a19185657cd3f9a0e7847f780bdd516ff1e2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57842998faf4123103eb627370a19185657cd3f9a0e7847f780bdd516ff1e2d9", kill_on_drop: false }`
[INFO] [stdout] 57842998faf4123103eb627370a19185657cd3f9a0e7847f780bdd516ff1e2d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 243df721232def578b3bfa4f55cf7eef671005e4142e49b340e4ab8e0fe398e3
[INFO] running `Command { std: "docker" "start" "-a" "243df721232def578b3bfa4f55cf7eef671005e4142e49b340e4ab8e0fe398e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruby-sys v0.2.20
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling ruru v0.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/result.rs:43:50
[INFO] [stdout]    |
[INFO] [stdout] 43 |         write!(f, "{}", <Error as error::Error>::description(&self))
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/class/traits/object.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/class.rs:92:54
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn wrap_data<T>(klass: Value, data: T, wrapper: &DataTypeWrapper<T>) -> Value {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 - pub fn wrap_data<T>(klass: Value, data: T, wrapper: &DataTypeWrapper<T>) -> Value {
[INFO] [stdout] 92 + pub fn wrap_data<T>(klass: Value, data: T, wrapper: &dyn DataTypeWrapper<T>) -> Value {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/class.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn get_data<T>(object: Value, wrapper: &DataTypeWrapper<T>) -> &mut T {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 - pub fn get_data<T>(object: Value, wrapper: &DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout] 98 + pub fn get_data<T>(object: Value, wrapper: &dyn DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class/class.rs:568:62
[INFO] [stdout]     |
[INFO] [stdout] 568 |     pub fn wrap_data<T, O: Object>(&self, data: T, wrapper: &DataTypeWrapper<T>) -> O {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 568 -     pub fn wrap_data<T, O: Object>(&self, data: T, wrapper: &DataTypeWrapper<T>) -> O {
[INFO] [stdout] 568 +     pub fn wrap_data<T, O: Object>(&self, data: T, wrapper: &dyn DataTypeWrapper<T>) -> O {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class/traits/object.rs:209:47
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn get_data<'a, T>(&'a self, wrapper: &'a DataTypeWrapper<T>) -> &mut T {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 -     fn get_data<'a, T>(&'a self, wrapper: &'a DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout] 209 +     fn get_data<'a, T>(&'a self, wrapper: &'a dyn DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:17:39
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let fnbox = Box::new(func) as Box<FnOnce() -> R>;
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     let fnbox = Box::new(func) as Box<FnOnce() -> R>;
[INFO] [stdout] 17 +     let fnbox = Box::new(func) as Box<dyn FnOnce() -> R>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:86:28
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut fnbox: Box<Box<FnMut() -> R>> =
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 86 -     let mut fnbox: Box<Box<FnMut() -> R>> =
[INFO] [stdout] 86 +     let mut fnbox: Box<Box<dyn FnMut() -> R>> =
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:87:51
[INFO] [stdout]    |
[INFO] [stdout] 87 |         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> R>) };
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> R>) };
[INFO] [stdout] 87 +         unsafe { Box::from_raw(boxptr as *mut Box<dyn FnMut() -> R>) };
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 -     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[INFO] [stdout] 93 +     let mut fnbox: Box<Box<dyn FnMut() -> *const c_void>> =
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:94:51
[INFO] [stdout]    |
[INFO] [stdout] 94 |         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[INFO] [stdout] 94 +         unsafe { Box::from_raw(boxptr as *mut Box<dyn FnMut() -> *const c_void>) };
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/vm.rs:95:28
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 -     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[INFO] [stdout] 95 +     let mut fnbox: Box<Box<dyn FnMut() -> *const c_void>> =
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/vm.rs:96:51
[INFO] [stdout]    |
[INFO] [stdout] 96 |         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 -         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[INFO] [stdout] 96 +         unsafe { Box::from_raw(boxptr as *mut Box<dyn FnMut() -> *const c_void>) };
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:58:46
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let fnbox = Box::new(wrap_return) as Box<FnOnce() -> *const c_void>;
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let fnbox = Box::new(wrap_return) as Box<FnOnce() -> *const c_void>;
[INFO] [stdout] 58 +     let fnbox = Box::new(wrap_return) as Box<dyn FnOnce() -> *const c_void>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `AnyObject`, which is not FFI-safe
[INFO] [stdout]   --> src/binding/hash.rs:49:37
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern "C" fn each_callback<F>(key: AnyObject, value: AnyObject, closure: CallbackMutPtr)
[INFO] [stdout]    |                                     ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/class/any_object.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / pub struct AnyObject {
[INFO] [stdout] 53 | |     value: Value,
[INFO] [stdout] 54 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `AnyObject`, which is not FFI-safe
[INFO] [stdout]   --> src/binding/hash.rs:49:55
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern "C" fn each_callback<F>(key: AnyObject, value: AnyObject, closure: CallbackMutPtr)
[INFO] [stdout]    |                                                       ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/class/any_object.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / pub struct AnyObject {
[INFO] [stdout] 53 | |     value: Value,
[INFO] [stdout] 54 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "243df721232def578b3bfa4f55cf7eef671005e4142e49b340e4ab8e0fe398e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243df721232def578b3bfa4f55cf7eef671005e4142e49b340e4ab8e0fe398e3", kill_on_drop: false }`
[INFO] [stdout] 243df721232def578b3bfa4f55cf7eef671005e4142e49b340e4ab8e0fe398e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aab74342cfc08e1556e36bb03bfa439b67c41a7e0c46b5b2ffc48aedfa7ff08
[INFO] running `Command { std: "docker" "start" "-a" "3aab74342cfc08e1556e36bb03bfa439b67c41a7e0c46b5b2ffc48aedfa7ff08", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ruru v0.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/result.rs:43:50
[INFO] [stdout]    |
[INFO] [stdout] 43 |         write!(f, "{}", <Error as error::Error>::description(&self))
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/class/traits/object.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/class.rs:92:54
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn wrap_data<T>(klass: Value, data: T, wrapper: &DataTypeWrapper<T>) -> Value {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 - pub fn wrap_data<T>(klass: Value, data: T, wrapper: &DataTypeWrapper<T>) -> Value {
[INFO] [stdout] 92 + pub fn wrap_data<T>(klass: Value, data: T, wrapper: &dyn DataTypeWrapper<T>) -> Value {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/class.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn get_data<T>(object: Value, wrapper: &DataTypeWrapper<T>) -> &mut T {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 - pub fn get_data<T>(object: Value, wrapper: &DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout] 98 + pub fn get_data<T>(object: Value, wrapper: &dyn DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class/class.rs:568:62
[INFO] [stdout]     |
[INFO] [stdout] 568 |     pub fn wrap_data<T, O: Object>(&self, data: T, wrapper: &DataTypeWrapper<T>) -> O {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 568 -     pub fn wrap_data<T, O: Object>(&self, data: T, wrapper: &DataTypeWrapper<T>) -> O {
[INFO] [stdout] 568 +     pub fn wrap_data<T, O: Object>(&self, data: T, wrapper: &dyn DataTypeWrapper<T>) -> O {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class/traits/object.rs:209:47
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn get_data<'a, T>(&'a self, wrapper: &'a DataTypeWrapper<T>) -> &mut T {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 -     fn get_data<'a, T>(&'a self, wrapper: &'a DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout] 209 +     fn get_data<'a, T>(&'a self, wrapper: &'a dyn DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:17:39
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let fnbox = Box::new(func) as Box<FnOnce() -> R>;
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     let fnbox = Box::new(func) as Box<FnOnce() -> R>;
[INFO] [stdout] 17 +     let fnbox = Box::new(func) as Box<dyn FnOnce() -> R>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:86:28
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut fnbox: Box<Box<FnMut() -> R>> =
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 86 -     let mut fnbox: Box<Box<FnMut() -> R>> =
[INFO] [stdout] 86 +     let mut fnbox: Box<Box<dyn FnMut() -> R>> =
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:87:51
[INFO] [stdout]    |
[INFO] [stdout] 87 |         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> R>) };
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> R>) };
[INFO] [stdout] 87 +         unsafe { Box::from_raw(boxptr as *mut Box<dyn FnMut() -> R>) };
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 -     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[INFO] [stdout] 93 +     let mut fnbox: Box<Box<dyn FnMut() -> *const c_void>> =
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:94:51
[INFO] [stdout]    |
[INFO] [stdout] 94 |         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[INFO] [stdout] 94 +         unsafe { Box::from_raw(boxptr as *mut Box<dyn FnMut() -> *const c_void>) };
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/vm.rs:95:28
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 -     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[INFO] [stdout] 95 +     let mut fnbox: Box<Box<dyn FnMut() -> *const c_void>> =
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/vm.rs:96:51
[INFO] [stdout]    |
[INFO] [stdout] 96 |         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 -         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[INFO] [stdout] 96 +         unsafe { Box::from_raw(boxptr as *mut Box<dyn FnMut() -> *const c_void>) };
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:58:46
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let fnbox = Box::new(wrap_return) as Box<FnOnce() -> *const c_void>;
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let fnbox = Box::new(wrap_return) as Box<FnOnce() -> *const c_void>;
[INFO] [stdout] 58 +     let fnbox = Box::new(wrap_return) as Box<dyn FnOnce() -> *const c_void>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `AnyObject`, which is not FFI-safe
[INFO] [stdout]   --> src/binding/hash.rs:49:37
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern "C" fn each_callback<F>(key: AnyObject, value: AnyObject, closure: CallbackMutPtr)
[INFO] [stdout]    |                                     ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/class/any_object.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / pub struct AnyObject {
[INFO] [stdout] 53 | |     value: Value,
[INFO] [stdout] 54 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `AnyObject`, which is not FFI-safe
[INFO] [stdout]   --> src/binding/hash.rs:49:55
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern "C" fn each_callback<F>(key: AnyObject, value: AnyObject, closure: CallbackMutPtr)
[INFO] [stdout]    |                                                       ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/class/any_object.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / pub struct AnyObject {
[INFO] [stdout] 53 | |     value: Value,
[INFO] [stdout] 54 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/result.rs:43:50
[INFO] [stdout]    |
[INFO] [stdout] 43 |         write!(f, "{}", <Error as error::Error>::description(&self))
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/class/traits/object.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/class.rs:92:54
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn wrap_data<T>(klass: Value, data: T, wrapper: &DataTypeWrapper<T>) -> Value {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 - pub fn wrap_data<T>(klass: Value, data: T, wrapper: &DataTypeWrapper<T>) -> Value {
[INFO] [stdout] 92 + pub fn wrap_data<T>(klass: Value, data: T, wrapper: &dyn DataTypeWrapper<T>) -> Value {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/class.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn get_data<T>(object: Value, wrapper: &DataTypeWrapper<T>) -> &mut T {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 - pub fn get_data<T>(object: Value, wrapper: &DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout] 98 + pub fn get_data<T>(object: Value, wrapper: &dyn DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class/class.rs:568:62
[INFO] [stdout]     |
[INFO] [stdout] 568 |     pub fn wrap_data<T, O: Object>(&self, data: T, wrapper: &DataTypeWrapper<T>) -> O {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 568 -     pub fn wrap_data<T, O: Object>(&self, data: T, wrapper: &DataTypeWrapper<T>) -> O {
[INFO] [stdout] 568 +     pub fn wrap_data<T, O: Object>(&self, data: T, wrapper: &dyn DataTypeWrapper<T>) -> O {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class/traits/object.rs:209:47
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn get_data<'a, T>(&'a self, wrapper: &'a DataTypeWrapper<T>) -> &mut T {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 -     fn get_data<'a, T>(&'a self, wrapper: &'a DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout] 209 +     fn get_data<'a, T>(&'a self, wrapper: &'a dyn DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:17:39
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let fnbox = Box::new(func) as Box<FnOnce() -> R>;
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     let fnbox = Box::new(func) as Box<FnOnce() -> R>;
[INFO] [stdout] 17 +     let fnbox = Box::new(func) as Box<dyn FnOnce() -> R>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:86:28
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut fnbox: Box<Box<FnMut() -> R>> =
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 86 -     let mut fnbox: Box<Box<FnMut() -> R>> =
[INFO] [stdout] 86 +     let mut fnbox: Box<Box<dyn FnMut() -> R>> =
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:87:51
[INFO] [stdout]    |
[INFO] [stdout] 87 |         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> R>) };
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> R>) };
[INFO] [stdout] 87 +         unsafe { Box::from_raw(boxptr as *mut Box<dyn FnMut() -> R>) };
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 -     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[INFO] [stdout] 93 +     let mut fnbox: Box<Box<dyn FnMut() -> *const c_void>> =
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/thread.rs:94:51
[INFO] [stdout]    |
[INFO] [stdout] 94 |         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[INFO] [stdout] 94 +         unsafe { Box::from_raw(boxptr as *mut Box<dyn FnMut() -> *const c_void>) };
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/vm.rs:95:28
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 -     let mut fnbox: Box<Box<FnMut() -> *const c_void>> =
[INFO] [stdout] 95 +     let mut fnbox: Box<Box<dyn FnMut() -> *const c_void>> =
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binding/vm.rs:96:51
[INFO] [stdout]    |
[INFO] [stdout] 96 |         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 -         unsafe { Box::from_raw(boxptr as *mut Box<FnMut() -> *const c_void>) };
[INFO] [stdout] 96 +         unsafe { Box::from_raw(boxptr as *mut Box<dyn FnMut() -> *const c_void>) };
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:58:46
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let fnbox = Box::new(wrap_return) as Box<FnOnce() -> *const c_void>;
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let fnbox = Box::new(wrap_return) as Box<FnOnce() -> *const c_void>;
[INFO] [stdout] 58 +     let fnbox = Box::new(wrap_return) as Box<dyn FnOnce() -> *const c_void>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `AnyObject`, which is not FFI-safe
[INFO] [stdout]   --> src/binding/hash.rs:49:37
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern "C" fn each_callback<F>(key: AnyObject, value: AnyObject, closure: CallbackMutPtr)
[INFO] [stdout]    |                                     ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/class/any_object.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / pub struct AnyObject {
[INFO] [stdout] 53 | |     value: Value,
[INFO] [stdout] 54 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `AnyObject`, which is not FFI-safe
[INFO] [stdout]   --> src/binding/hash.rs:49:55
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern "C" fn each_callback<F>(key: AnyObject, value: AnyObject, closure: CallbackMutPtr)
[INFO] [stdout]    |                                                       ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/class/any_object.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / pub struct AnyObject {
[INFO] [stdout] 53 | |     value: Value,
[INFO] [stdout] 54 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.ruru.75f3f0f7-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781.16or15p6f05giu4b.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-d9ecd5377b7dfa2f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-e95f8ccbb889cb3a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-bc3d259c8a5de0c3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-2b85ee1dcf40ad05.rlib" "/opt/rustwide/target/debug/deps/libruby_sys-f98ae79ec7c594da.rlib" "/opt/rustwide/target/debug/deps/liblibc-44afddf82674132d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-fcd78a373e0df468.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ff9290e971253a38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5534b29ea7b2d8f5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-8bfbb13072fc2761.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d6d1fa92fa620f17.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7cfd201521727d95.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-0e8010e8fce8e5a7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-19093fec3c6dd913.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-89c4cbe9256c1890.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-73e4507673363945.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-3fe98c0f46f27964.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-a76787f08d45e37d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8cea480e62c5b261.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-1fb939608cd05a1c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-842e67e3ab562f66.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0c1c8fec3b1a54cc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-689faa634b72af17.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-6c2c561a8181be5e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-88c4d85fe493b0a6.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5394bdb1df5df01.rlib" "-Wl,-Bdynamic" "-lruby-2.7" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ruru-0db9cfbecae44781" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lruby-2.7
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruru` due to 2 previous errors; 17 warnings emitted
[INFO] [stdout] error: aborting due to previous error; 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3aab74342cfc08e1556e36bb03bfa439b67c41a7e0c46b5b2ffc48aedfa7ff08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aab74342cfc08e1556e36bb03bfa439b67c41a7e0c46b5b2ffc48aedfa7ff08", kill_on_drop: false }`
[INFO] [stdout] 3aab74342cfc08e1556e36bb03bfa439b67c41a7e0c46b5b2ffc48aedfa7ff08