[INFO] crate ia 0.1.2 is already in cache
[INFO] extracting crate ia 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/ia/0.1.2
[INFO] extracting crate ia 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ia/0.1.2
[INFO] validating manifest of ia-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ia-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ia-0.1.2
[INFO] finished frobbing ia-0.1.2
[INFO] frobbed toml for ia-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ia/0.1.2/Cargo.toml
[INFO] started frobbing ia-0.1.2
[INFO] finished frobbing ia-0.1.2
[INFO] frobbed toml for ia-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ia/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ia-0.1.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ia/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4b6bf099b7df79d93a16fd15dcde5472846b392e57d00b463c85232b00adb5e4
[INFO] running `"docker" "start" "-a" "4b6bf099b7df79d93a16fd15dcde5472846b392e57d00b463c85232b00adb5e4"`
[INFO] [stderr]    Compiling ia v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]   --> src/raw.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::boxed::FnBox;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | #![feature(fnbox)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]  --> src/executor.rs:7:51
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
[INFO] [stderr]   |                                                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/executor.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
[INFO] [stderr]    |                                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/executor.rs:17:64
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
[INFO] [stderr]    |                                                                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/utils.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |     type Error = !;
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/utils.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ) -> Result<Async<()>, !> {
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/net.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 |     type Error = !;
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/net.rs:22:47
[INFO] [stderr]    |
[INFO] [stderr] 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
[INFO] [stderr]    |                                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:170:35
[INFO] [stderr]     |
[INFO] [stderr] 170 |         impl WrapCallback for Box<Fn($($arg_t, )*) -> i32> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 203 | impl_wrap_callback!();
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 |                     let f: &Box<Fn($($arg_t, )*) -> i32> = unsafe {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 203 | impl_wrap_callback!();
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:176:48
[INFO] [stderr]     |
[INFO] [stderr] 176 |                         &* (addr as *const Box<Fn($($arg_t, )*) -> i32>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 203 | impl_wrap_callback!();
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:180:32
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let f: Box<Box<Fn($($arg_t, )*) -> i32>> = Box::new(self);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 203 | impl_wrap_callback!();
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:170:35
[INFO] [stderr]     |
[INFO] [stderr] 170 |         impl WrapCallback for Box<Fn($($arg_t, )*) -> i32> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 204 | impl_wrap_callback!(a: i32, );
[INFO] [stderr]     | ------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 |                     let f: &Box<Fn($($arg_t, )*) -> i32> = unsafe {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 204 | impl_wrap_callback!(a: i32, );
[INFO] [stderr]     | ------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:176:48
[INFO] [stderr]     |
[INFO] [stderr] 176 |                         &* (addr as *const Box<Fn($($arg_t, )*) -> i32>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 204 | impl_wrap_callback!(a: i32, );
[INFO] [stderr]     | ------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:180:32
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let f: Box<Box<Fn($($arg_t, )*) -> i32>> = Box::new(self);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 204 | impl_wrap_callback!(a: i32, );
[INFO] [stderr]     | ------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:170:35
[INFO] [stderr]     |
[INFO] [stderr] 170 |         impl WrapCallback for Box<Fn($($arg_t, )*) -> i32> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 205 | impl_wrap_callback!(a: i32, b: i32, );
[INFO] [stderr]     | -------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 |                     let f: &Box<Fn($($arg_t, )*) -> i32> = unsafe {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 205 | impl_wrap_callback!(a: i32, b: i32, );
[INFO] [stderr]     | -------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:176:48
[INFO] [stderr]     |
[INFO] [stderr] 176 |                         &* (addr as *const Box<Fn($($arg_t, )*) -> i32>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 205 | impl_wrap_callback!(a: i32, b: i32, );
[INFO] [stderr]     | -------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:180:32
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let f: Box<Box<Fn($($arg_t, )*) -> i32>> = Box::new(self);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 205 | impl_wrap_callback!(a: i32, b: i32, );
[INFO] [stderr]     | -------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:170:35
[INFO] [stderr]     |
[INFO] [stderr] 170 |         impl WrapCallback for Box<Fn($($arg_t, )*) -> i32> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 206 | impl_wrap_callback!(a: i32, b: i32, c: i32, );
[INFO] [stderr]     | ---------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 |                     let f: &Box<Fn($($arg_t, )*) -> i32> = unsafe {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 206 | impl_wrap_callback!(a: i32, b: i32, c: i32, );
[INFO] [stderr]     | ---------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:176:48
[INFO] [stderr]     |
[INFO] [stderr] 176 |                         &* (addr as *const Box<Fn($($arg_t, )*) -> i32>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 206 | impl_wrap_callback!(a: i32, b: i32, c: i32, );
[INFO] [stderr]     | ---------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:180:32
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let f: Box<Box<Fn($($arg_t, )*) -> i32>> = Box::new(self);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 206 | impl_wrap_callback!(a: i32, b: i32, c: i32, );
[INFO] [stderr]     | ---------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:170:35
[INFO] [stderr]     |
[INFO] [stderr] 170 |         impl WrapCallback for Box<Fn($($arg_t, )*) -> i32> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 207 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, );
[INFO] [stderr]     | ------------------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 |                     let f: &Box<Fn($($arg_t, )*) -> i32> = unsafe {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 207 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, );
[INFO] [stderr]     | ------------------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:176:48
[INFO] [stderr]     |
[INFO] [stderr] 176 |                         &* (addr as *const Box<Fn($($arg_t, )*) -> i32>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 207 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, );
[INFO] [stderr]     | ------------------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:180:32
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let f: Box<Box<Fn($($arg_t, )*) -> i32>> = Box::new(self);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 207 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, );
[INFO] [stderr]     | ------------------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:170:35
[INFO] [stderr]     |
[INFO] [stderr] 170 |         impl WrapCallback for Box<Fn($($arg_t, )*) -> i32> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 208 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, e: i32, );
[INFO] [stderr]     | -------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 |                     let f: &Box<Fn($($arg_t, )*) -> i32> = unsafe {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 208 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, e: i32, );
[INFO] [stderr]     | -------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:176:48
[INFO] [stderr]     |
[INFO] [stderr] 176 |                         &* (addr as *const Box<Fn($($arg_t, )*) -> i32>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 208 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, e: i32, );
[INFO] [stderr]     | -------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:180:32
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let f: Box<Box<Fn($($arg_t, )*) -> i32>> = Box::new(self);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 208 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, e: i32, );
[INFO] [stderr]     | -------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:170:35
[INFO] [stderr]     |
[INFO] [stderr] 170 |         impl WrapCallback for Box<Fn($($arg_t, )*) -> i32> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 209 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32, );
[INFO] [stderr]     | ---------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 |                     let f: &Box<Fn($($arg_t, )*) -> i32> = unsafe {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 209 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32, );
[INFO] [stderr]     | ---------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:176:48
[INFO] [stderr]     |
[INFO] [stderr] 176 |                         &* (addr as *const Box<Fn($($arg_t, )*) -> i32>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 209 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32, );
[INFO] [stderr]     | ---------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:180:32
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let f: Box<Box<Fn($($arg_t, )*) -> i32>> = Box::new(self);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn($($arg_t, )*) -> i32`
[INFO] [stderr] ...
[INFO] [stderr] 209 | impl_wrap_callback!(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32, );
[INFO] [stderr]     | ---------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/raw.rs:336:17
[INFO] [stderr]     |
[INFO] [stderr] 336 |     let cb: Box<Fn(i32) -> i32> = Box::new(move |stream_tid| {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/executor.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = !> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/executor.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = !> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/executor.rs:17:38
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = !> + 'static`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `ia`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4b6bf099b7df79d93a16fd15dcde5472846b392e57d00b463c85232b00adb5e4"`
[INFO] running `"docker" "rm" "-f" "4b6bf099b7df79d93a16fd15dcde5472846b392e57d00b463c85232b00adb5e4"`
[INFO] [stdout] 4b6bf099b7df79d93a16fd15dcde5472846b392e57d00b463c85232b00adb5e4