[INFO] fetching crate rxrs 0.2.0-beta3...
[INFO] building rxrs-0.2.0-beta3 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate rxrs 0.2.0-beta3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rxrs 0.2.0-beta3 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rxrs 0.2.0-beta3
[INFO] finished tweaking crates.io crate rxrs 0.2.0-beta3
[INFO] tweaked toml for crates.io crate rxrs 0.2.0-beta3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26ed1e67be4109dc04cfada54547feef781d6a80b0aba4737a781d6bed396ade
[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" "26ed1e67be4109dc04cfada54547feef781d6a80b0aba4737a781d6bed396ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26ed1e67be4109dc04cfada54547feef781d6a80b0aba4737a781d6bed396ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ed1e67be4109dc04cfada54547feef781d6a80b0aba4737a781d6bed396ade", kill_on_drop: false }`
[INFO] [stdout] 26ed1e67be4109dc04cfada54547feef781d6a80b0aba4737a781d6bed396ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 283e315126f6ef29f2ea323a3263756027c0bf30c736085967f398f9c2aabda4
[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" "283e315126f6ef29f2ea323a3263756027c0bf30c736085967f398f9c2aabda4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rxrs v0.2.0-beta3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fn_traits, unboxed_closures, integer_atomics, optin_builtin_traits, fnbox, test, cell_update, box_syntax, impl_trait_in_bindin...
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]  --> src/scheduler/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::boxed::FnBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]   --> src/sync/yesno.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub unsafe auto trait No {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]    = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/sync/yesno.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl !No for YES {}
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:118
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...n_builtin_traits, fnbox, test, cell_update, box_syntax, impl_trait_in_bindings)]
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #63065 <https://github.com/rust-lang/rust/issues/63065> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/observable.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>;
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, By>`
[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/observable.rs:6:78
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>;
[INFO] [stdout]   |                                                                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) src: std::sync::Arc<Observable<'o, SS, By> + 's>,
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Observable<'o, SS, By> + 's`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:27:41
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn from_arc(src: std::sync::Arc<Observable<'o, SS, By>+'s>) -> Self { DynObservable{ src }}
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Observable<'o, SS, By>+'s`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn from_box(src: Box<Observable<'o, SS, By>+'s>) -> Self { DynObservable{ src: src.into() }}
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Observable<'o, SS, By>+'s`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:30:45
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn as_impl(&self) -> std::sync::Arc<Observable<'o, SS, By>+'s> { self.src.clone() }
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Observable<'o, SS, By>+'s`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:35:43
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, By>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:35:82
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:50:39
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, By>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:50:69
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, By>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:63:69
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:80:39
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, By>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:80:69
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:96:39
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, By>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observable.rs:96:69
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/observable.rs:109:39
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, By>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/observable.rs:109:69
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observer.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | for Box<ActNext<'o, SS, BY>>
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, BY>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/observer.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 | for Box<ActEcBox<'o, SS>>
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/error.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     err: Arc<Error>,
[INFO] [stdout]   |              ^^^^^ help: use `dyn`: `dyn Error`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn simple(source: Option<Arc<Error+'static>>, msg: impl Into<String>) -> Self
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn Error+'static`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |         struct StrError(Option<Arc<Error+'static>>, String);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Error+'static`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:62:41
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn handle(mut self, f: impl Fn(&Error) -> Option<RxError>) -> Option<RxError>
[INFO] [stdout]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sync/act.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | for Box<Act<SS, BY, R>+'a>
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Act<SS, BY, R>+'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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sync/act.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 | for Box<ActBox<SS, BY, R>+'a>
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActBox<SS, BY, R>+'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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/op/map.rs:50:39
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Val<VOut>>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Val<VOut>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/op/map.rs:50:76
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Val<VOut>>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: unnecessary parentheses around type
[INFO] [stdout]  --> src/op/filter.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PhantomData: PhantomData<(SS)>
[INFO] [stdout]   |                              ^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/op/filter.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, VBy>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, VBy>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/op/filter.rs:54:70
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, VBy>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/op/until.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, VBy>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, VBy>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/op/until.rs:67:70
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, VBy>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: unnecessary parentheses around type
[INFO] [stdout]   --> src/op/take.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     PhantomData: PhantomData<(SS)>
[INFO] [stdout]    |                              ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/op/take.rs:74:39
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, VBy>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, VBy>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/op/take.rs:74:70
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, VBy>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: unnecessary parentheses around type
[INFO] [stdout]  --> src/op/skip.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PhantomData: PhantomData<(SS)>
[INFO] [stdout]   |                              ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/op/skip.rs:62:39
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, VBy>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, VBy>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/op/skip.rs:62:70
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, VBy>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/op/start.rs:107:39
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Val<V>>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Val<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/op/start.rs:107:82
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Val<V>>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/op/start.rs:129:39
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Val<V>>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Val<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/op/start.rs:129:82
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Val<V>>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/op/start.rs:152:39
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Val<V>>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Val<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/op/start.rs:152:82
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Val<V>>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/op/start.rs:174:39
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Ref<V>>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Ref<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/op/start.rs:174:82
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Ref<V>>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/op/start.rs:195:39
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Ref<V>>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Ref<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/op/start.rs:195:82
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Ref<V>>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/subject/subject.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Next(Vec<(Arc<ActNext<'o, SS, Ref<V>>>, UnsafeCell<Option<Box<ActEcBox<'o, SS>>>>, Unsub<'o, SS>)>),
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Ref<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/subject/subject.rs:9:67
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Next(Vec<(Arc<ActNext<'o, SS, Ref<V>>>, UnsafeCell<Option<Box<ActEcBox<'o, SS>>>>, Unsub<'o, SS>)>),
[INFO] [stdout]   |                                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subject/subject.rs:44:59
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn unsub(state: &Weak<Wrap<'o,SS,V>>, observer: &Weak<ActNext<'o, SS, Ref<V>>>)
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Ref<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/subject/subject.rs:104:36
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     let next : Arc<ActNext<'o, SS, Ref<V>>> = Arc::new(next);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Ref<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/subject/subject.rs:134:39
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Ref<V>>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Ref<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/subject/subject.rs:134:73
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Ref<V>>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subject/behavior_subject.rs:48:39
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Ref<V>>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Ref<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subject/behavior_subject.rs:48:73
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Ref<V>>>, ec: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unsub.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cb:   UnsafeCell<Option<Box<ActBox<SS, ()>+'a>>>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActBox<SS, ()>+'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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fac/of.rs:34:39
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Ref<V>>>, ec: Box<ActEcBox<'o,SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, Ref<V>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fac/of.rs:34:73
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, Ref<V>>>, ec: Box<ActEcBox<'o,SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o,SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fac/timer.rs:40:39
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn subscribe_dyn(&self, next: Box<ActNext<'static, SS, Val<usize>>>, ec: Box<ActEcBox<'static, SS>>) -> Unsub<'static, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'static, SS, Val<usize>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fac/timer.rs:40:82
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn subscribe_dyn(&self, next: Box<ActNext<'static, SS, Val<usize>>>, ec: Box<ActEcBox<'static, SS>>) -> Unsub<'static, SS>
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'static, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fac/iter.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, NO, Val<It::Item>>>, ec: Box<ActEcBox<'o,NO>>) -> Unsub<'o, NO>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, NO, Val<It::Item>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fac/iter.rs:42:80
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, NO, Val<It::Item>>>, ec: Box<ActEcBox<'o,NO>>) -> Unsub<'o, NO>
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o,NO>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fac/iter.rs:62:39
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, NO, Val<It::Item>>>, ec: Box<ActEcBox<'o,NO>>) -> Unsub<'o, NO>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, NO, Val<It::Item>>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fac/iter.rs:62:80
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, NO, Val<It::Item>>>, ec: Box<ActEcBox<'o,NO>>) -> Unsub<'o, NO>
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o,NO>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fac/merge.rs:51:39
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActNext<'o, SS, By>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fac/merge.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn subscribe_dyn(&self, next: Box<ActNext<'o, SS, By>>, err_or_comp: Box<ActEcBox<'o, SS>>) -> Unsub<'o, SS>
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ActEcBox<'o, SS>`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/mod.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn start_dyn(&self, main: Box<FnBox()+Send+Sync+'static>);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox()+Send+Sync+'static`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/mod.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn start_dyn(&self, main: Box<FnBox()+Send+Sync+'static>)
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox()+Send+Sync+'static`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/event_loop_scheduler.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fac: Arc<ThreadFactory+Send+Sync+'static>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadFactory+Send+Sync+'static`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/event_loop_scheduler.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 | type ArcActFn = Arc<Fn()+Send+Sync+'static>;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn()+Send+Sync+'static`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scheduler/event_loop_scheduler.rs:204:25
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn new(fac: Arc<ThreadFactory+Send+Sync+'static>, exit_if_empty: bool) -> EventLoopScheduler
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadFactory+Send+Sync+'static`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/new_thread_scheduler.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(fac: Arc<ThreadFactory+Send+Sync+'static>) -> NewThreadScheduler
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadFactory+Send+Sync+'static`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler/current_thread_scheduler.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | type RcActFn = Rc<Fn()+'static>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn()+'static`
[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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sync/re_spin_lock.rs:91:49
[INFO] [stdout]    |
[INFO] [stdout] 91 |         thread_local!(static KEY: u8 = unsafe { ::std::mem::uninitialized() });
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/unsub.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Once, ONCE_INIT};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/unsub.rs:108:33
[INFO] [stdout]     |
[INFO] [stdout] 108 |             static INIT: Once = ONCE_INIT;
[INFO] [stdout]     |                                 ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rxrs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "283e315126f6ef29f2ea323a3263756027c0bf30c736085967f398f9c2aabda4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283e315126f6ef29f2ea323a3263756027c0bf30c736085967f398f9c2aabda4", kill_on_drop: false }`
[INFO] [stdout] 283e315126f6ef29f2ea323a3263756027c0bf30c736085967f398f9c2aabda4
