chore: adapt to new cargo-msrv command-line arguments

Author: clechasseur

justfile

@@ -91,11 +91,11 @@ _check-minimal-only: (_rimraf "target-minimal")
 
 # Run `cargo msrv` with `cargo minimal-versions check`
 msrv-minimal: (prep "--manifest-backup-suffix .msrv-prep.outer.bak") && (_rimraf "target-minimal") (unprep "--manifest-backup-suffix .msrv-prep.outer.bak")
-    {{cargo}} msrv -- just all_features="{{all_features}}" message_format="{{message_format}}" target_tuple="{{target_tuple}}" _check-minimal-only
+    {{cargo}} msrv find -- just all_features="{{all_features}}" message_format="{{message_format}}" target_tuple="{{target_tuple}}" _check-minimal-only
 
 # Run `cargo msrv` with `cargo check`
-msrv *extra_args: && (_rimraf "target-msrv")
-    {{cargo}} msrv -- just all_features="{{all_features}}" all_targets="{{all_targets}}" message_format="{{message_format}}" target_tuple="{{target_tuple}}" _msrv-check {{extra_args}}
+msrv *extra_args: (prep "--manifest-backup-suffix .msrv-prep.outer.bak --no-merge-pinned-dependencies") && (_rimraf "target-msrv") (unprep "--manifest-backup-suffix .msrv-prep.outer.bak")
+    {{cargo}} msrv find -- just all_features="{{all_features}}" all_targets="{{all_targets}}" message_format="{{message_format}}" target_tuple="{{target_tuple}}" _msrv-check {{extra_args}}
 
 _msrv-check *extra_args: (_rimraf "target-msrv")
     just all_features="{{all_features}}" all_targets="{{all_targets}}" message_format="{{message_format}}" target_tuple="{{target_tuple}}" check --target-dir target-msrv {{extra_args}}