error[E0277]: the trait bound `Bar: quantities::HasRefUnit` is not satisfied
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^ the trait `quantities::HasRefUnit` is not implemented for `Bar`
   |
   = help: the following other types implement trait `quantities::HasRefUnit`:
             Acceleration
             Area
             Baz
             DataThroughput
             DataVolume
             Energy
             Foo
             Force
           and $N others
   = help: see issue #48214
   = note: this error originates in the attribute macro `quantity` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `BarUnit: quantities::LinearScaledUnit` is not satisfied
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^ the trait `quantities::LinearScaledUnit` is not implemented for `BarUnit`
   |
   = help: the following other types implement trait `quantities::LinearScaledUnit`:
             AccelerationUnit
             AreaUnit
             BazUnit
             DataThroughputUnit
             DataVolumeUnit
             DurationUnit
             EnergyUnit
             FooUnit
           and $N others
note: required by a bound in `quantities::HasRefUnit`
  --> src/lib.rs
   |
   | pub trait HasRefUnit: Quantity + Add<Self> + Sub<Self> + Div<Self>
   |           ---------- required by a bound in this trait
   | where
   |     <Self as Quantity>::UnitType: LinearScaledUnit,
   |                                   ^^^^^^^^^^^^^^^^ required by this bound in `HasRefUnit`
   = note: this error originates in the attribute macro `quantity` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `Bar: quantities::HasRefUnit` is not satisfied
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^ the trait `quantities::HasRefUnit` is not implemented for `Bar`, which is required by `Foo: std::ops::Mul<Bar>`
   |
   = help: the following other types implement trait `quantities::HasRefUnit`:
             Acceleration
             Area
             Baz
             DataThroughput
             DataVolume
             Energy
             Foo
             Force
           and $N others
note: required for `Foo` to implement `std::ops::Mul<Bar>`
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^
   = help: see issue #48214
   = note: this error originates in the attribute macro `quantity` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: cannot multiply `Bar` by `Foo`
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^ no implementation for `Bar * Foo`
   |
   = help: the trait `quantities::HasRefUnit` is not implemented for `Bar`, which is required by `Bar: std::ops::Mul<Foo>`
note: required for `Bar` to implement `std::ops::Mul<Foo>`
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^
   = help: see issue #48214
   = note: this error originates in the attribute macro `quantity` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `Bar: quantities::HasRefUnit` is not satisfied
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^ the trait `quantities::HasRefUnit` is not implemented for `Bar`, which is required by `Baz: std::ops::Div<Bar>`
   |
   = help: the following other types implement trait `quantities::HasRefUnit`:
             Acceleration
             Area
             Baz
             DataThroughput
             DataVolume
             Energy
             Foo
             Force
           and $N others
note: required for `Baz` to implement `std::ops::Div<Bar>`
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound introduced here
...
24 | struct Baz {}
   |        ^^^
   = help: see issue #48214
   = note: this error originates in the attribute macro `quantity` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0599]: no method named `scale` found for enum `BarUnit` in the current scope
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
17 | #[quantity]
   | ----------- method `scale` not found for this enum
...
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^ method not found in `BarUnit`
   |
   = help: items from traits can only be used if the trait is implemented and in scope
   = note: the following trait defines an item `scale`, perhaps you need to implement it:
           candidate #1: `quantities::LinearScaledUnit`
   = note: this error originates in the attribute macro `quantity` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0599]: no function or associated item named `unit_from_scale` found for struct `Bar` in the current scope
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
17 | #[quantity]
   | ----------- function or associated item `unit_from_scale` not found for this struct
...
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `Bar`
   |
   = help: items from traits can only be used if the trait is implemented and in scope
   = note: the following trait defines an item `unit_from_scale`, perhaps you need to implement it:
           candidate #1: `quantities::HasRefUnit`
   = note: this error originates in the attribute macro `quantity` (in Nightly builds, run with -Z macro-backtrace for more info)
help: there is an associated function `unit_from_symbol` with a similar name
   |
21 | unit_from_symbol
   |

error[E0277]: the trait bound `BarUnit: quantities::LinearScaledUnit` is not satisfied
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^ the trait `quantities::LinearScaledUnit` is not implemented for `BarUnit`
   |
   = help: the following other types implement trait `quantities::LinearScaledUnit`:
             AccelerationUnit
             AreaUnit
             BazUnit
             DataThroughputUnit
             DataVolumeUnit
             DurationUnit
             EnergyUnit
             FooUnit
           and $N others
note: required by a bound in `_fit`
  --> src/lib.rs
   |
   |     <Self as Quantity>::UnitType: LinearScaledUnit,
   |                                   ^^^^^^^^^^^^^^^^ required by this bound in `HasRefUnit::_fit`
...
   |     fn _fit(amount: AmountT) -> Self {
   |        ---- required by a bound in this associated function
   = note: this error originates in the attribute macro `quantity` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `Bar: quantities::HasRefUnit` is not satisfied
  --> tests/ui/derived_rhs_no_ref_unit.rs:21:1
   |
21 | #[quantity(Foo * Bar)]
   | ^^^^^^^^^^^^^^^^^^^^^^ the trait `quantities::HasRefUnit` is not implemented for `Bar`
   |
   = help: the following other types implement trait `quantities::HasRefUnit`:
             Acceleration
             Area
             Baz
             DataThroughput
             DataVolume
             Energy
             Foo
             Force
           and $N others
   = note: this error originates in the attribute macro `quantity` (in Nightly builds, run with -Z macro-backtrace for more info)