[INFO] fetching crate semigroup 0.5.0...
[INFO] testing semigroup-0.5.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate semigroup 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate semigroup 0.5.0
[INFO] removed 0 missing examples
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[INFO] finished tweaking crates.io crate semigroup 0.5.0
[INFO] tweaked toml for crates.io crate semigroup 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate semigroup 0.5.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
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[INFO] crate crates.io crate semigroup 0.5.0 already has a lockfile, it will not be regenerated
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[INFO] [stdout] error: cannot find derive macro `Semigroup` in this scope
[INFO] [stdout]  --> tests/derive_semigroup.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Semigroup` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/derive_semigroup.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use semigroup::Semigroup;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the derive macros `Semigroup` and `SemigroupPriv` accept the similarly named `semigroup` attribute (notice the capitalization)
[INFO] [stdout]   |
[INFO] [stdout] 3 - #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout] 3 + #[derive(Debug, Clone, PartialEq, semigroup)]
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]   |
[INFO] [stdout] 1 + use semigroup_derive::Semigroup;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]  --> tests/derive_semigroup.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[semigroup(with = "semigroup::op::Coalesce")]
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] help: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]   |
[INFO] [stdout] 5 + #[derive(Semigroup, SemigroupPriv)]
[INFO] [stdout] 6 | pub struct NamedStruct {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Semigroup` in this scope
[INFO] [stdout]  --> tests/derive_annotated.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Semigroup` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/derive_annotated.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use semigroup::{Annotate, Annotated, Semigroup};
[INFO] [stdout]   |                                      ^^^^^^^^^
[INFO] [stdout] help: the derive macros `Semigroup` and `SemigroupPriv` accept the similarly named `semigroup` attribute (notice the capitalization)
[INFO] [stdout]   |
[INFO] [stdout] 3 - #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout] 3 + #[derive(Debug, Clone, PartialEq, semigroup)]
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]   |
[INFO] [stdout] 1 + use semigroup_derive::Semigroup;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]  --> tests/derive_semigroup.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[semigroup(with = "semigroup::op::Overwrite")]
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]   = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Semigroup` in this scope
[INFO] [stdout]   --> tests/derive_semigroup.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Semigroup` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/derive_semigroup.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use semigroup::Semigroup;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the derive macros `Semigroup` and `SemigroupPriv` accept the similarly named `semigroup` attribute (notice the capitalization)
[INFO] [stdout]    |
[INFO] [stdout] 38 - #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout] 38 + #[derive(Debug, Clone, PartialEq, semigroup)]
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use semigroup_derive::Semigroup;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]  --> tests/derive_annotated.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[semigroup(annotated, with = "semigroup::op::Coalesce")]
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] help: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]   |
[INFO] [stdout] 5 + #[derive(Semigroup, SemigroupPriv)]
[INFO] [stdout] 6 | pub struct NamedStruct {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]  --> tests/derive_annotated.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[semigroup(with = "semigroup::op::Overwrite")]
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]   = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Semigroup` in this scope
[INFO] [stdout]   --> examples/clap_serde.rs:16:63
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug, Clone, Default, Serialize, Deserialize, Args, Semigroup)]
[INFO] [stdout]    |                                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Semigroup` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> examples/clap_serde.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | use semigroup::Semigroup;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the derive macros `Semigroup` and `SemigroupPriv` accept the similarly named `semigroup` attribute (notice the capitalization)
[INFO] [stdout]    |
[INFO] [stdout] 16 - #[derive(Debug, Clone, Default, Serialize, Deserialize, Args, Semigroup)]
[INFO] [stdout] 16 + #[derive(Debug, Clone, Default, Serialize, Deserialize, Args, semigroup)]
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use semigroup_derive::Semigroup;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]   --> tests/derive_semigroup.rs:39:3
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[semigroup(with = "semigroup::op::Coalesce")]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] help: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 40 + #[derive(Semigroup, SemigroupPriv)]
[INFO] [stdout] 41 | pub struct UnnamedStruct(
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]   --> tests/derive_semigroup.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 |     #[semigroup(with = "semigroup::op::Overwrite")] String,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]    = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]   --> examples/clap_serde.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[semigroup(with = "semigroup::op::Coalesce")]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] help: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 18 + #[derive(Semigroup, SemigroupPriv)]
[INFO] [stdout] 19 | struct Person {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Semigroup` in this scope
[INFO] [stdout]   --> tests/derive_annotated.rs:63:35
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Semigroup` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/derive_annotated.rs:1:38
[INFO] [stdout]    |
[INFO] [stdout]  1 | use semigroup::{Annotate, Annotated, Semigroup};
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] help: the derive macros `Semigroup` and `SemigroupPriv` accept the similarly named `semigroup` attribute (notice the capitalization)
[INFO] [stdout]    |
[INFO] [stdout] 63 - #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout] 63 + #[derive(Debug, Clone, PartialEq, semigroup)]
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use semigroup_derive::Semigroup;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Semigroup` in this scope
[INFO] [stdout]   --> tests/derive_semigroup.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Semigroup` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/derive_semigroup.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use semigroup::Semigroup;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the derive macros `Semigroup` and `SemigroupPriv` accept the similarly named `semigroup` attribute (notice the capitalization)
[INFO] [stdout]    |
[INFO] [stdout] 60 - #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout] 60 + #[derive(Debug, Clone, PartialEq, semigroup)]
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use semigroup_derive::Semigroup;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]   --> tests/derive_annotated.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[semigroup(annotated, with = "semigroup::op::Coalesce")]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] help: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 65 + #[derive(Semigroup, SemigroupPriv)]
[INFO] [stdout] 66 | pub struct UnnamedStruct(
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]   --> tests/derive_annotated.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 |     #[semigroup(with = "semigroup::op::Overwrite")] String,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]    = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Semigroup` in this scope
[INFO] [stdout]  --> tests/derive_semigroup_generics.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Semigroup` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/derive_semigroup_generics.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use semigroup::Semigroup;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the derive macros `Semigroup` and `SemigroupPriv` accept the similarly named `semigroup` attribute (notice the capitalization)
[INFO] [stdout]   |
[INFO] [stdout] 3 - #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout] 3 + #[derive(Debug, Clone, PartialEq, semigroup)]
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]   |
[INFO] [stdout] 1 + use semigroup_derive::Semigroup;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]  --> tests/derive_semigroup_generics.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[semigroup(with = "semigroup::op::Coalesce")]
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]   = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Semigroup` in this scope
[INFO] [stdout]   --> tests/derive_semigroup_generics.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Semigroup` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/derive_semigroup_generics.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use semigroup::Semigroup;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the derive macros `Semigroup` and `SemigroupPriv` accept the similarly named `semigroup` attribute (notice the capitalization)
[INFO] [stdout]    |
[INFO] [stdout] 37 - #[derive(Debug, Clone, PartialEq, Semigroup)]
[INFO] [stdout] 37 + #[derive(Debug, Clone, PartialEq, semigroup)]
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use semigroup_derive::Semigroup;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `NamedStructAnnotation` in this scope
[INFO] [stdout]   --> tests/derive_annotated.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             NamedStructAnnotation {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `NamedStructAnnotation` in this scope
[INFO] [stdout]   --> tests/derive_annotated.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             NamedStructAnnotation {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `semigroup` in this scope
[INFO] [stdout]   --> tests/derive_semigroup_generics.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 |     #[semigroup(with = "semigroup::op::Coalesce")] Option<u32>,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `semigroup` is an attribute that can be used by the derive macros `Semigroup` and `SemigroupPriv`, you might be missing a `derive` attribute
[INFO] [stdout]    = note: `semigroup` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `op` found for struct `NamedStruct` in the current scope
[INFO] [stdout]   --> tests/derive_semigroup.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct NamedStruct {
[INFO] [stdout]    | ---------------------- function or associated item `op` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |         NamedStruct::op(a.clone(), b.clone()),
[INFO] [stdout]    |                      ^^ function or associated item not found in `NamedStruct`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `op`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `semigroup` found for struct `Person` in the current scope
[INFO] [stdout]   --> examples/clap_serde.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Person {
[INFO] [stdout]    | ------------- method `semigroup` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     let person = app.person.semigroup(file_person);
[INFO] [stdout]    |                             ^^^^^^^^^ method not found in `Person`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `semigroup`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `op` found for struct `NamedStruct` in the current scope
[INFO] [stdout]   --> tests/derive_semigroup.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct NamedStruct {
[INFO] [stdout]    | ---------------------- function or associated item `op` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |         NamedStruct::op(b.clone(), a.clone()),
[INFO] [stdout]    |                      ^^ function or associated item not found in `NamedStruct`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `op`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `op` found for struct `UnnamedStruct` in the current scope
[INFO] [stdout]   --> tests/derive_semigroup.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct UnnamedStruct(
[INFO] [stdout]    | ------------------------ function or associated item `op` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |         UnnamedStruct::op(a.clone(), b.clone()),
[INFO] [stdout]    |                        ^^ function or associated item not found in `UnnamedStruct`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `op`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `annotated` found for struct `NamedStruct` in the current scope
[INFO] [stdout]   --> tests/derive_annotated.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout]  5 |   pub struct NamedStruct {
[INFO] [stdout]    |   ---------------------- method `annotated` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |       let a = NamedStruct {
[INFO] [stdout]    |  _____________-
[INFO] [stdout] 14 | |         name: "A".to_string(),
[INFO] [stdout] 15 | |         value: Some(10),
[INFO] [stdout] 16 | |     }
[INFO] [stdout] 17 | |     .annotated("First");
[INFO] [stdout]    | |     -^^^^^^^^^ method not found in `NamedStruct`
[INFO] [stdout]    | |_____|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `annotated`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Annotate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `op` found for struct `UnnamedStruct` in the current scope
[INFO] [stdout]   --> tests/derive_semigroup.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct UnnamedStruct(
[INFO] [stdout]    | ------------------------ function or associated item `op` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 55 |         UnnamedStruct::op(b.clone(), a.clone()),
[INFO] [stdout]    |                        ^^ function or associated item not found in `UnnamedStruct`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `op`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `annotated` found for struct `NamedStruct` in the current scope
[INFO] [stdout]   --> tests/derive_annotated.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout]  5 |   pub struct NamedStruct {
[INFO] [stdout]    |   ---------------------- method `annotated` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |       let b = NamedStruct {
[INFO] [stdout]    |  _____________-
[INFO] [stdout] 20 | |         name: "B".to_string(),
[INFO] [stdout] 21 | |         value: None,
[INFO] [stdout] 22 | |     }
[INFO] [stdout] 23 | |     .annotated("Second");
[INFO] [stdout]    | |     -^^^^^^^^^ method not found in `NamedStruct`
[INFO] [stdout]    | |_____|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `annotated`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Annotate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `op` found for struct `UnitStruct` in the current scope
[INFO] [stdout]   --> tests/derive_semigroup.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct UnitStruct;
[INFO] [stdout]    | --------------------- function or associated item `op` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 66 |     assert_eq!(UnitStruct::op(a.clone(), b.clone()), UnitStruct);
[INFO] [stdout]    |                            ^^ function or associated item not found in `UnitStruct`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `op`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `op` found for struct `UnitStruct` in the current scope
[INFO] [stdout]   --> tests/derive_semigroup.rs:67:28
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct UnitStruct;
[INFO] [stdout]    | --------------------- function or associated item `op` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 67 |     assert_eq!(UnitStruct::op(b.clone(), a.clone()), UnitStruct);
[INFO] [stdout]    |                            ^^ function or associated item not found in `UnitStruct`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `op`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `annotated` found for struct `UnnamedStruct` in the current scope
[INFO] [stdout]   --> tests/derive_annotated.rs:72:54
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct UnnamedStruct(
[INFO] [stdout]    | ------------------------ method `annotated` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     let a = UnnamedStruct("A".to_string(), Some(10)).annotated(1.0);
[INFO] [stdout]    |                                                      ^^^^^^^^^ method not found in `UnnamedStruct`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `annotated`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Annotate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `op` found for struct `NamedStruct<T>` in the current scope
[INFO] [stdout]   --> tests/derive_semigroup_generics.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct NamedStruct<T> {
[INFO] [stdout]    | ------------------------- function or associated item `op` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |         NamedStruct::op(a.clone(), b.clone()),
[INFO] [stdout]    |                      ^^ function or associated item not found in `NamedStruct<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `op`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `op` found for struct `NamedStruct<T>` in the current scope
[INFO] [stdout]   --> tests/derive_semigroup_generics.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct NamedStruct<T> {
[INFO] [stdout]    | ------------------------- function or associated item `op` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |         NamedStruct::op(b.clone(), a.clone()),
[INFO] [stdout]    |                      ^^ function or associated item not found in `NamedStruct<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `op`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `annotated` found for struct `UnnamedStruct` in the current scope
[INFO] [stdout]   --> tests/derive_annotated.rs:73:50
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct UnnamedStruct(
[INFO] [stdout]    | ------------------------ method `annotated` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 73 |     let b = UnnamedStruct("B".to_string(), None).annotated(2.0);
[INFO] [stdout]    |                                                  ^^^^^^^^^ method not found in `UnnamedStruct`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `annotated`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Annotate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `UnnamedStructAnnotation` in this scope
[INFO] [stdout]   --> tests/derive_annotated.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             UnnamedStructAnnotation(2.0, 1.0),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `UnnamedStructAnnotation` in this scope
[INFO] [stdout]   --> tests/derive_annotated.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |             UnnamedStructAnnotation(1.0, 1.0),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `op` found for struct `UnnamedStruct<T>` in the current scope
[INFO] [stdout]   --> tests/derive_semigroup_generics.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct UnnamedStruct<T>(
[INFO] [stdout]    | --------------------------- function or associated item `op` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |         UnnamedStruct::op(a.clone(), b.clone()),
[INFO] [stdout]    |                        ^^ function or associated item not found in `UnnamedStruct<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `op`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `op` found for struct `UnnamedStruct<T>` in the current scope
[INFO] [stdout]   --> tests/derive_semigroup_generics.rs:53:24
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct UnnamedStruct<T>(
[INFO] [stdout]    | --------------------------- function or associated item `op` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |         UnnamedStruct::op(b.clone(), a.clone()),
[INFO] [stdout]    |                        ^^ function or associated item not found in `UnnamedStruct<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `op`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Semigroup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `semigroup` (test "derive_semigroup") due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `semigroup` (example "clap_serde") due to 3 previous errors
[INFO] [stderr] error: could not compile `semigroup` (test "derive_annotated") due to 14 previous errors
[INFO] [stderr] error: could not compile `semigroup` (test "derive_semigroup_generics") due to 8 previous errors
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/xor.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/xor.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/union.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/union.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/sum.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/sum.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/prod.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/prod.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/min.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/min.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/max.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/max.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/intersection.rs:90:16
[INFO] [stdout]    |
[INFO] [stdout] 90 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/intersection.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/any.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/any.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/any.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/any.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/any.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/any.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/all.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/all.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_commutative` in `crate`
[INFO] [stdout]   --> src/op/all.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |         crate::assert_commutative!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ could not find `assert_commutative` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/all.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/all.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/all.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/overwrite.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/concat.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 80 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/coalesce.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/coalesce.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/coalesce.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `assert_semigroup` in `crate`
[INFO] [stdout]   --> src/op/coalesce.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |         crate::assert_semigroup!(a, b, c);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ could not find `assert_semigroup` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `semigroup` (lib test) due to 32 previous errors
[INFO] running `Command { std: "docker" "inspect" "acd4a152337c612ce2cd9c50820cca42ef9755265ce1378aa4864de6cfe1df19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd4a152337c612ce2cd9c50820cca42ef9755265ce1378aa4864de6cfe1df19", kill_on_drop: false }`
[INFO] [stdout] acd4a152337c612ce2cd9c50820cca42ef9755265ce1378aa4864de6cfe1df19