[INFO] cloning repository https://github.com/ikachko/render_hash_2d
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ikachko/render_hash_2d" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikachko%2Frender_hash_2d", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4c323edbdd793ac0c09836148e59f7cc3422518
[INFO] documenting ikachko/render_hash_2d against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikachko%2Frender_hash_2d" "/workspace/builds/worker-26/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/ikachko/render_hash_2d on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ikachko/render_hash_2d
[INFO] finished tweaking git repo https://github.com/ikachko/render_hash_2d
[INFO] tweaked toml for git repo https://github.com/ikachko/render_hash_2d written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/ikachko/render_hash_2d already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<&_>` for type `standard::event::EventArray`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:526:1
[INFO] [stdout]     |
[INFO] [stdout] 514 | impl<'a, E> From<E> for EventArray where E: Into<Event> {
[INFO] [stdout]     | ------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 526 | impl<'a, E> From<&'a E> for EventArray where E: Into<Event> + Clone {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventArray`
[INFO] [stdout]     |
[INFO] [stdout]     = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<&_>` for type `standard::event::EventList`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:867:1
[INFO] [stdout]     |
[INFO] [stdout] 860 | impl<'a, E> From<E> for EventList where E: Into<Event> {
[INFO] [stdout]     | ------------------------------------------------------ first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 867 | impl<'a, E> From<&'a E> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout]     |
[INFO] [stdout]     = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<&std::option::Option<&_>>` for type `standard::event::EventList`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:897:1
[INFO] [stdout]     |
[INFO] [stdout] 881 | impl<'a, E> From<&'a Option<E>> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]     | -------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 897 | impl<'a, 'b, E> From<&'a Option<&'b E>> for EventList where 'b: 'a, E: Into<Event> + Clone {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout]     |
[INFO] [stdout]     = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<&[std::option::Option<&_>]>` for type `standard::event::EventList`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:926:1
[INFO] [stdout]     |
[INFO] [stdout] 915 | impl<'a, E> From<&'a [Option<E>]> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]     | ---------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 926 | impl<'a, 'b, E> From<&'a [Option<&'b E>]> for EventList where 'b: 'a, E: Into<Event> + Clone {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout]     |
[INFO] [stdout]     = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<&[&std::option::Option<&_>]>` for type `standard::event::EventList`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:948:1
[INFO] [stdout]     |
[INFO] [stdout] 937 |   impl<'a, 'b, E> From<&'a [&'b Option<E>]> for EventList where 'b: 'a, E: Into<Event> + Clone {
[INFO] [stdout]     |   -------------------------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 948 | / impl<'a, 'b, 'c, E> From<&'a [&'b Option<&'c E>]> for EventList
[INFO] [stdout] 949 | |         where 'c: 'b, 'b: 'a, E: Into<Event> + Clone
[INFO] [stdout] 950 | | {
[INFO] [stdout] 951 | |     fn from(events: &[&Option<&E>]) -> EventList {
[INFO] [stdout] ...   |
[INFO] [stdout] 958 | |     }
[INFO] [stdout] 959 | | }
[INFO] [stdout]     | |_^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout]     |
[INFO] [stdout]     = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[std::option::Option<&_>; 1]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:990:9
[INFO] [stdout]      |
[INFO] [stdout] 978  |         impl<'e, E> From<[Option<E>; $len]> for EventList where E: Into<Event> {
[INFO] [stdout]      |         ---------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 990  |         impl<'e, E> From<[Option<&'e E>; $len]> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[&std::option::Option<&_>; 1]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:1014:9
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         impl<'e, 'f, E> From<[&'f Option<E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ---------------------------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 1014 |         impl<'e, 'f, E> From<[&'f Option<&'e E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[std::option::Option<&_>; 2]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:990:9
[INFO] [stdout]      |
[INFO] [stdout] 978  |         impl<'e, E> From<[Option<E>; $len]> for EventList where E: Into<Event> {
[INFO] [stdout]      |         ---------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 990  |         impl<'e, E> From<[Option<&'e E>; $len]> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[&std::option::Option<&_>; 2]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:1014:9
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         impl<'e, 'f, E> From<[&'f Option<E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ---------------------------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 1014 |         impl<'e, 'f, E> From<[&'f Option<&'e E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[std::option::Option<&_>; 3]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:990:9
[INFO] [stdout]      |
[INFO] [stdout] 978  |         impl<'e, E> From<[Option<E>; $len]> for EventList where E: Into<Event> {
[INFO] [stdout]      |         ---------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 990  |         impl<'e, E> From<[Option<&'e E>; $len]> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[&std::option::Option<&_>; 3]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:1014:9
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         impl<'e, 'f, E> From<[&'f Option<E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ---------------------------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 1014 |         impl<'e, 'f, E> From<[&'f Option<&'e E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[std::option::Option<&_>; 4]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:990:9
[INFO] [stdout]      |
[INFO] [stdout] 978  |         impl<'e, E> From<[Option<E>; $len]> for EventList where E: Into<Event> {
[INFO] [stdout]      |         ---------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 990  |         impl<'e, E> From<[Option<&'e E>; $len]> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[&std::option::Option<&_>; 4]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:1014:9
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         impl<'e, 'f, E> From<[&'f Option<E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ---------------------------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 1014 |         impl<'e, 'f, E> From<[&'f Option<&'e E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[std::option::Option<&_>; 5]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:990:9
[INFO] [stdout]      |
[INFO] [stdout] 978  |         impl<'e, E> From<[Option<E>; $len]> for EventList where E: Into<Event> {
[INFO] [stdout]      |         ---------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 990  |         impl<'e, E> From<[Option<&'e E>; $len]> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[&std::option::Option<&_>; 5]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:1014:9
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         impl<'e, 'f, E> From<[&'f Option<E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ---------------------------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 1014 |         impl<'e, 'f, E> From<[&'f Option<&'e E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[std::option::Option<&_>; 6]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:990:9
[INFO] [stdout]      |
[INFO] [stdout] 978  |         impl<'e, E> From<[Option<E>; $len]> for EventList where E: Into<Event> {
[INFO] [stdout]      |         ---------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 990  |         impl<'e, E> From<[Option<&'e E>; $len]> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[&std::option::Option<&_>; 6]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:1014:9
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         impl<'e, 'f, E> From<[&'f Option<E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ---------------------------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 1014 |         impl<'e, 'f, E> From<[&'f Option<&'e E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[std::option::Option<&_>; 7]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:990:9
[INFO] [stdout]      |
[INFO] [stdout] 978  |         impl<'e, E> From<[Option<E>; $len]> for EventList where E: Into<Event> {
[INFO] [stdout]      |         ---------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 990  |         impl<'e, E> From<[Option<&'e E>; $len]> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[&std::option::Option<&_>; 7]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:1014:9
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         impl<'e, 'f, E> From<[&'f Option<E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ---------------------------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 1014 |         impl<'e, 'f, E> From<[&'f Option<&'e E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[std::option::Option<&_>; 8]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:990:9
[INFO] [stdout]      |
[INFO] [stdout] 978  |         impl<'e, E> From<[Option<E>; $len]> for EventList where E: Into<Event> {
[INFO] [stdout]      |         ---------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 990  |         impl<'e, E> From<[Option<&'e E>; $len]> for EventList where E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<[&std::option::Option<&_>; 8]>` for type `standard::event::EventList`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.16.0/src/standard/event.rs:1014:9
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         impl<'e, 'f, E> From<[&'f Option<E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ---------------------------------------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 1014 |         impl<'e, 'f, E> From<[&'f Option<&'e E>; $len]> for EventList where 'e: 'f, E: Into<Event> + Clone {
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `standard::event::EventList`
[INFO] [stdout] ...
[INFO] [stdout] 1028 | impl_event_list_from_arrays!(1, 2, 3, 4, 5, 6, 7, 8);
[INFO] [stdout]      | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: downstream crates may implement trait `std::convert::From<&_>` for type `standard::event::Event`
[INFO] [stdout]      = note: this error originates in the macro `impl_event_list_from_arrays` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ocl` due to 22 previous errors
[INFO] running `Command { std: "docker" "inspect" "fb3c4f11fc341f23744101b6c2910efe50c405ca987d6165c966e64cca3457fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3c4f11fc341f23744101b6c2910efe50c405ca987d6165c966e64cca3457fe", kill_on_drop: false }`
[INFO] [stdout] fb3c4f11fc341f23744101b6c2910efe50c405ca987d6165c966e64cca3457fe
