diff --git a/README.md b/README.md
index 32f1810a..3238ad38 100644
--- a/README.md
+++ b/README.md
@@ -24,15 +24,15 @@ More information on the inner workings of the tool can be found
 
 The tool is implemented as a cargo plugin. As of now, it can be obtained from this git
 repository and compiled from source or installed from
-[crates.io](https://crates.io/crates/semverver). Keep in mind that only the newest version
+[crates.io](https://crates.io/crates/semverver). Keep in mind that only the pinned version(in [rust-toolchain])
 of the nighly toolchain is supported at any given time.
 
+
 If you are already using Rust nightly and have successfully installed tools like
 `cargo add` and `cargo clippy`, just do:
 
 ```sh
-$ rustup update nightly
-$ rustup component add rustc-dev --toolchain nightly
+$ rustup component add rustc-dev llvm-tools-preview
 $ cargo +nightly install semverver
 ```
 
@@ -43,8 +43,7 @@ can be added here).
 You can also install the newest version of the tool from git:
 
 ```sh
-$ rustup update nightly
-$ rustup component add rustc-dev --toolchain nightly
+$ rustup component add rustc-dev llvm-tools-preview --toolchain nightly
 $ cargo +nightly install --git https://github.com/rust-dev-tools/rust-semverver
 ```
 
@@ -55,10 +54,6 @@ $ cargo +nightly install --git https://github.com/rust-dev-tools/rust-semverver
 </summary>
 
 ```sh
-# using rustup is recommended
-$ rustup update nightly
-$ rustup default nightly
-
 $ git clone https://github.com/rust-dev-tools/rust-semverver
 $ cd rust-semverver
 $ cargo install
diff --git a/rust-toolchain b/rust-toolchain
index 2278137f..4aec5c6b 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2020-06-01
+nightly-2020-06-10
diff --git a/tests/full_cases/log-0.3.4-0.3.8.linux b/tests/full_cases/log-0.3.4-0.3.8.linux
index e77b51cc..6f0122e2 100644
--- a/tests/full_cases/log-0.3.4-0.3.8.linux
+++ b/tests/full_cases/log-0.3.4-0.3.8.linux
@@ -23,7 +23,7 @@ warning: technically breaking changes in `<new::LogRecord<'a> as std::fmt::Debug
     |
     = note: trait impl generalized or newly added (technically breaking)
 
-warning: technically breaking changes in `<new::LogMetadata<'a> as std::marker::StructuralEq>`
+warning: technically breaking changes in `<new::LogMetadata<'a> as std::cmp::Eq>`
    --> log-0.3.8/src/lib.rs:552:10
     |
 552 | #[derive(Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
@@ -71,7 +71,7 @@ warning: technically breaking changes in `<new::LogMetadata<'a> as std::fmt::Deb
     |
     = note: trait impl generalized or newly added (technically breaking)
 
-warning: technically breaking changes in `<new::LogLocation as std::marker::StructuralEq>`
+warning: technically breaking changes in `<new::LogLocation as std::cmp::Eq>`
    --> log-0.3.8/src/lib.rs:604:30
     |
 604 | #[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]